Team and Driver Information 2025
As a competitor, we want to you stay up to date on all things F4 U.S. Championship.
Please join our official mailing list where we send out bulletins, memos, and event details: Official Competitor Email List
You can also share this link with anyone from your team who would need to be kept informed on official announcements.
At events, our team uses WhatsApp to communicate (rather than texting). Once you download the free app, click this link to join the group: F4 U.S. Event Updates Group (download WhatsApp to your iPhone or Android)
Stewards Decision Summary - updated after each event
Event Digital Message Boards
- 2025 NOLA SpeedTour Digital Message Board
- 2025 Road America SpeedTour Digital Message Board
- 2025 Mid-Ohio SpeedTour Digital Message Board
- 2025 New Jersey Lottery SpeedTour Digital Message Board
- 2025 CTMP SpeedTour Digital Message Board
- 2025 VIR SpeedTour Digital Message Board
- 2025 Barber SpeedTour Digital Message Board
Season Details
- PDF Schedule
- 2025 F4 U.S. Registration Information
- Guest Pass Policy
- Online Event Registration (must have a username and password)
March 27-30: NOLA SpeedTour
- Track: NOLA Motorsports Park
- Event Registration
- Schedule v4
- Supplemental Regulations v3
- Entry List
- Driver & Crew Chief Notes
- Tech Schedule
- Spectator Tickets
- 2025 NOLA SpeedTour Digital Message Board
May 15-18: Road America SpeedTour
- Track: Road America
- Event Registration
- Event Schedule
- Supplemental Regulations
- Entry List
- Facility Map
- Paddock Layout
- Tech Schedule
- Driver & Crew Chief Notes
- Spectator Tickets
- 2025 Road America SpeedTour Digital Message Board
June 19-22: Mid-Ohio SpeedTour
- Track: Mid-Ohio Sports Car Course
- Event Registration
- Event Schedule
- Supplemental Regulations
- Entry List
- Facility Map
- Paddock Layout
- Tech Schedule
- Driver & Crew Chief Notes
- Spectator Tickets
- 2025 Mid-Ohio SpeedTour Digital Message Board
July 31-August 3: New Jersey Lottery SpeedTour
- Track: New Jersey Motorsports Park
- Event Registration
- Track-Sanctioned Test Day Info
- Event Schedule
- Supplemental Regulations
- Entry List
- Facility Map
- Paddock Layout
- Tech Schedule
- Driver & Crew Chief Notes
- Spectator Tickets
- 2025 New Jersey Lottery SpeedTour Digital Message Board
August 28-31: CTMP Labour Day Weekend Sprints
- Track: Canadian Tire Motorsports Park
- Event Registration
- Border Crossing Information
- CTMP Recognition Letter
- CTMP Weekend Letter
- CTMP CBSA Bond
- CTMP Pre-Arrival Notice
- CTMP Certificate of Registration Form
- CTMP Commercial Invoice Form
- CTMP Blank eManifest Form (MSExcel)
- Track-Sanctioned Test Day Info
- Event Schedule
- Supplemental Regulations
- Entry List
- Facility Map
- Paddock Layout
- Tech Schedule
- Driver & Crew Chief Notes
- Spectator Tickets
- 2025 CTMP SpeedTour Digital Message Board
September 18-21: VIR SpeedTour
- Track: VIRginia International Raceway
- Event Registration
- Schedule
- Supplemental Regulations
- Entry List
- Paddock Layout
- Driver & Crew Chief Notes
- Tech Schedule
- Spectator Tickets
- 2025 VIR SpeedTour Digital Message Board
October 17-19: Barber SpeedTour
- Track: Barber Motorsports Park
- Event Registration
- Year-End Celebration RSVP Form
- Schedule
- Supplemental Regulations
- Entry List
- Paddock Layout
- Driver & Crew Chief Notes
- Tech Schedule
- Spectator Tickets
- 2025 Barber SpeedTour Digital Message Board
Welcome to the 2025 F4 U.S. Championship season!
Below, we outline all you need to know to kick your season off on the right foot. Please read the entire page before beginning the registration process.
As we start the new season, please review the 2025 Entrant Check List before starting anything. It gives you a road map to complete the paperwork correctly the first time.
General Information
- The 2025 F4 U.S. Championship Overview is avialable - HERE.
- The 2025 F4 U.S. schedule is live and can be accessed by clicking here.
- The current list of F4 U.S. Championship Teams can be found here.
- Make sure you visit the F4 U.S. Championship Style Guide page so you can ensure your cars, uniforms, suits, and trailers are all set for the season.
Contact Information
Below, you will also find direct contacts to those involved in the series:
- Tire Manufacturer - Hankook Tires:
- Parella Motorsports Holdings:
- Championship & Event Registration - Kelley Huxtable
- Race Director - Scott Goodyear
- Technical Director - Aaron Coalwell
- PR/Media/Communications - Ashleigh Aungst
- Sponsorship - Melissa Clay
- President - Lee Gianone
- SCCA Pro Racing:
- FIA-Related Questions - Scott Goodyear
Vehicle Registration
First up is completing the Vehicle Registration forms to get your car(s) registered for the year. If you registered a number in 2023 and raced it, you have the "right of first refusal" to renew that number until 6:00 PM CST on February 28th. Once that deadline is past, then the numbers will be issued on a first-come, first-served basis. A fully completed form along with a completed Credit Card Authorization form must be sent to FRF4Registration@parellamotorsports.com to reserve your number. A separate form must be completed for each vehicle to be registered. This can be done by the driver or the team principal.
Before clicking the link, gather the following information:
- Team Contact Information (name, email, cell number)
- Chassis Number
- Transponder Number
- Driver Name (if known)
Vehicle Registration
Driver Registration
All drivers are required to register each year. The below packet for Competition License (Driver Packet) can be completed and returned to FRF4Registration@parellamotorsports.com.
Before clicking the link, gather the following information:
- Medical Form (required for all new drivers or returning drivers with expired Medicals)
- Not sure if your medical has expired? Here are the parameters:
- Applicants that are less than 40 years old must renew their Physical Examination every five years.
- Applicants that are at least 40 years old must renew their Physical Examination every three years.
- Applicants that are at least 50 years old must renew their Physical Examination every two years.
- Not sure if your medical has expired? Here are the parameters:
- Head Shot Photo (in color, jpeg format) - ALL drivers must submit a new headshot for their credential.
- For all New Drivers, the License Application Racing Resume must be completed.
- Waivers - there are two Digital Waivers to complete. One for SCCA and one for Parella Motorsports Holdings (PMH). Please follow the Waiver Instructions found HERE (and in the packet).
Driver Packet
Crew Registration
All crew members must register for a credential prior to the beginning of each season. Please note that crew credentials are available for those age 15 and older. The below packet for Annual Credentials (Credential Packet) can be completed and returned to FRF4Registration@parellamotorsports.com.
Before clicking the link, gather the following information:
- Head Shot Photo (in color, jpeg format)
- Waiver - here are two Digital Waivers to complete. One for SCCA and one for Parella Motorsports Holdings (PMH). Please follow the Waiver Instructions found HERE (and in the packet).
Credential Packet
Event Registration
Teams and/or drivers can register for events once they have completed their season registration paperwork. Upon completion, you'll be sent login details for the Parella Motorsports Holdings website and will have access to register. Additional event information can be found on the 2025 Event Information - Official & Non-Official page, also accessed via the Competitor Portal.
Event Credentials
Event hot pit access credentials for your guests will be available for some events. The Single Event Credential form will be linked once we launch it for the 2025 season.
Media Credentials
Team and driver media representatives will need to register for the season using the Credential Packet. For event-by-event media inquiries, please complete the Media Credential Request form linked HERE. Please note: Event Media Credentials must be requested at least two weeks in advance of the event.
Communication
The F4 U.S. & FR Americas Championships utilize two main forms of communication and houses it all on a Championship Competitor page. Our official mailing list distributes schedules, updates, memos, and bulletins. During events, we provide series alerts and updates via WhatsApp as a free alternative to text messages. Click the link to sign up or access these areas.
- Official Competitor Email List
- WhatsApp Event Updates
- FR Americas Group (same group as 2024)
- F4 U.S. Group (same group as 2024)
- Ligier Junior Formula Championship Group (same group as 2024)
- FR Americas Championship Competitor Portal
- F4 U.S. Championship Competitor Portal
- Ligier Junior Formula Championship Competitor Portal
Questions?
Please don't hesitate to reach out to Kelley!
The following bulletins are emailed via our official mailing service. If you are not currently receiving the emails, please sign up here.
Ligier Automotive Bulletins & Memos
Ligier Contact: David Cooper
The following resources, bulletins, and memos are emailed via our official mailing service. If you are not currently receiving the emails, please sign up here.
Sporting & Competitor Resources
- 2025 F4 U.S. Championship Sporting Regulations
- 2025 F4 U.S. Championship Overview & Buyers Guide
- 2025 F4 U.S. Championship Style Guide
- Technical Protest Form
- Driver Protest Form
- Appeal Form
- F4 U.S. Data Share Files (Fastest lap from qualifying and races)
- SCCA Mission, Vision, & Values
- SCCA Social Media & Logo Usage Policy
Driver & Team Bios
(provides our PR department & announcers with background information on drivers & teams)
Competitor Regulation Bulletins
Technical Regulation Bulletins
Competitor Advisory Bulletins
Technical Advisory Bulletins
The following resources, bulletins, and memos are emailed via our official mailing service. If you are not currently receiving the emails, please sign up here.
Technical Resources
- 2025 FIA Formula 4 Technical Regulations
- 2025 F4 U.S. Championship Annual Tech Forms
- Hankook Tires
- Ligier Automotive
- JRi Shocks
- SADEV
- Technical Protest Form
- Driver Protest Form
- Appeal Form
- F4 U.S. Data Share Files (Fastest lap from qualifying and races)
Technical Regulation Bulletins
Technical Advisory Memos
2022
- Camf4 2022 001 2022 Style Guide
- Camf4 2022 002 Mandatory Driver Quiz #1
- Camf4 2022 003 2022 F4 US Sporting Regulations
- Camf4 2022 004 Mandatory Driver Quiz – Road America
- Camf4 2022 005 Mandatory Driver Quiz – Mid Ohio
- Camf4 2022 006 Decal Update
- Camf4 2022 007 Njmp Reminders
- Camf4 2022 008 Mandatory Driver Quiz – New Jersey
- Camf4 2022 009 Mandatory Driver Quiz – Vir
2021
- Camf4 2021 001 Ligier Parts Pricing For F4
- V1 has been replaced. See CAMF4-2021-004
- Camf4 2021 002 Hpd Honda Racing Line Membership
- Camf4 2021 003 Testing Rule Clarification Corrected
- Camf4 2021 004 Ligier Parts Pricing For F4 Updated
- Camf4 2021 005 Ligier Js F4 Ftp Site
- Camf4 2021 006 Hankook Tire Ordering Process
- Camf4 2021 007 2021 Covid Protocols
- Camf4 2021 008 Atlanta Media Day & Post Race Procedures
- Camf4 2021 009 2021 Sporting & Technical Regulations
- Camf4 2021 010 Race Dates & Entry Deadlines
- Camf4 2021 011 Road America Sunoco Fuel Orders
- Camf4 2021 012 Hankook Tire Ordering Process Update
- Camf4 2021 013 Mandatory Driver Quiz 2
- Camf4 2021 014 Hpd F4 US & FR Americas Customer Guidelines
- Camf4 2021 015 Mandatory Driver Quiz 3
- Camf4 2021 016 2021 Covid Protocols – V2
- Camf4 2021 017 Hpd Engine Lists
- Camf4 2021 018 2021 Covid Protocols – V3
- Camf4 2021 019 Style Guide Updates
- Camf4 2021 020 Mandatory Driver Quiz #4
- Camf4 2021 021 Usgp Covid Protocols
- Camf4 2021 022 Usgp Virtual Drivers And Team Meeting
- Camf4 2021 023 Usgp Post Race Procedures & Media Conferences
- Camf4 2021 024 Mandatory Driver Quiz #5
2020
- Camf4 2020 001 Ligier Js F4 Server
- Camf4 2020 002 Hpd Engine Parts Manual & Spare Parts Pricing
- Camf4 2020 003 Covid 19 Update
- Camf4 2020 004 Ratl Update
- Camf4 2020 005 Covid 19 Update
- Camf4 2020 006 Covid 19 Update
- Camf4 2020 007 Cota Update
- Camf4 2020 008 Covid 19 Update
- Camf4 2020 009 Schedule Update
- Camf4 2020 010 Honda Racing Line
- Camf4 2020 011 Hpd Covid 19 Protocols V2
- Camf4 2020 012 Ligier Covid 19 Protocols
- Camf4 2020 013 Ligier Customer Policies For Payment
- Camf4 2020 013 Digital Message Board
- Camf4 2020 015 Hpd Covid Protocol Update
- Camf4 2020 017 Barber 2020 Parc Fermé Details
- Camf4 2020 018 Ligier Js F4 Spare Parts Pricing For 2020
- Camf4 2020 019 Hankook Motorsports New Ordering Protocol
- Camf4 2020 020 Sebring F4 Practice Group Breakdown
- Camf4 2020 021 Homestead F4 Practice Group Breakdown
- Camf4 2020 022 Cota F4 Practice Group Breakdown
- Camf4 2020 023 Cota Standing Start Details
2019
2018
2017
HPD TECHNICAL BULLETINS
- Hpd F4 2022 En001 00 F4 Ecu Update 2022
- Hpd F4 2022 En002 00 F4 Ecu Update 2022 No
- Hpd F4 2022 En003 00 F4 Ecu Update 2022 No
- 2020 Hpd Engine Trackside Spares Price List
- Hpd F4 Fra North American Customer Guideline 2021
- Hpd F4 2021 En001 00 F4 Coolant Type
- Hpd F4 Engine Recommended Spare Parts 2021
- Hpd Engine Spare Parts Price List Retail 2021 V01
- Hpd Engine Trackside Spare Parts Price List 2021 V01
- Hpd F4 2021 En002 00 Engine Power Verification Protocol
- Hpd F4 2020 En001 00 F4 Engine Vendor Change
- Hpd F4 2020 En002 00 Ecu Update For Stall Light
- Hpd F4 2020 El001 00 F4 Engine Harness Mainteneance
- Hpd F4 2020 El001 00 New Customer Information Form
- Hpd Trackside Operations Changes Fra F4
- Hpd F4 2020 En003 00 F4 Oil Pump Recall
- Hpd Trackside Operations Update Fra F4 2020 July 8
- Hpd F4 2020 En004 00 Cam Cover Breather Safety
- Hpd F4 2019 En002 00 F4 Engine Cam Cover Breather Update
- Hpd Limp Notice Njmp 9 14 2018v2
- Hpd F4 2018 En003 F4 Di Hp Fuel Pump Bolts
- Hpd F4 2018 En002 Rev1 2018 Honda F4 Engine Parts List V10
- Hpd F4 2018 En002 Rev1 F4 2018 Engine Services And Parts Cost
- Technical Bulletin #F4-2018-EN001- F4 Engine Heat Exchanger Bypass
- Technical Bulletin #F4-2017-EN001- HPD Accellion File Transfer System
- Technical Bulletin #F4-2017-EN002- F4 HPD Engine Performance Test Request
- Technical Bulletin #F4-2017-EN003- F4 HPD Oil Pump Inspection
- Technical Bulletin #F4-2017-EN004- Engine Fluid System Maintenance
- Technical Bulletin #F4-2017-EN005-Engine Thrust Bearing Wear
- HPD Bulletin F4-2018-EN003 Fuel Pump Bolts
- HPD-F4-2018-EN002 Rev1 2018 Honda F4 Engine Parts List V10
- HPD-F4-2018-EN002 Rev1 F4 2018 Engine Services and Parts Cost
- HPD Limp Notice NJMP 9-14-2018v2
LIGIER/ONROAK/CRAWFORD TECHNICAL BULLETINS
- F401.06.20- Ballast
- F402.08.24- Forward Pedal Mount
- F402.08.26- Headrest Update
- F402.11.23- Foot Rest
- F403.08.04- Wishbone Leg Shrouds
- F405.08.24- Rear Wheel Drive Peg Stub Axle Wheel Washer
- F405.07.26- Damper Reservoir Clamps
- F405.09.21- Rear Disk Brake Fitting
- F407.09.19- Maintenance Advisory
- F407.10.03- Paddle Shift Manifold
- F411.10.12- Radiator Upgrade-optional
- F411.06.14- Water System Bleed
- F411.09.07- Cooling System Maintenance
- F412.09.28- Oil Cooler Duct Mod
- F413.06.05- Reverse to First Shift
- F413.06.07- Steering Wheel Update
- F413.06.27- Timing Transponder Location
- F413.08.24- Camera Mount
- F414.10.03.17- Wheel Tether Replacement
- F415.08.30- Cooling Duct Screens
- F416.08.03- Front Wing Gurneys
- F416.09.12- Reinforcing Washer
- F416.09.23.16- Shift Manifold Isolation
- F417.06.27- Wheel Nut Washer
- F415.09.27.17- Protector Strip for Floor Leading Edge
- F407.01.10 ‐ Axle Upgrade Option
- F4-16.14 04.11.2018- 2018 FIA Mandated Anti-Intrusion Kit
- F4-06.042.05.07.18- Heat Exchanger Bypass
- Ligier Jsf4 Ftp 2020
- Bulletin F4 #30 15 4
- Bulletin F4 #29 13 3
- MidOhioPlanningCOVID19
- 2020 Customer Policies For Payment
- Ligier Part Order Sheet V1
- Memo F4 #1 Parts Book V5
- Ligier JS F4 Parts List 2020
- Ligier JS F4 Parts Pricing - V2
- Ligier JSF4 FTP 2021
- Bulletin F4 #32 03 3
- Bulletin F4 #33 03 4
- Ligier Bulletin F4 #34 FLWB Towing Shear Plate
- Ligier Bulletin F4 #36 Fuel Line
- Ligier Bulletin F4 #35 Brake Master Cylinder Option
2022
- Tamf4 2022 001 Hankook Tire Price Change
- Tamf4 2022 002 Proposed Technical Rule Changes
- Tamf4 2022 003 Ecu Update
- Tamf4 2022 004 Brake Master Cylinder Option
- Tamf4 2022 005 Annual Tech Inspection & Event Seal Declaration Forms
- Tamf4 2022 006 Hpd Technical Bulletin #F4 2022 En002 00
- Tamf4 2022 007 Hpd Technical Bulletin #F4 2022 En003 00
- Tamf4 2022 008 Hankook Motorsports Service Update
- Tamf4 2022 009 Cota Official Practice Tires
- TAMF4 2022 010 Driver Equipment Changes For 2023 & 2024
2021
- Tamf4 2021 001 Engine Removal Or Replacement Reminder
- Tamf4 2021 002 Transmission Compliance And Service Reminder
- Tamf4 2021 003 Annual Tech And Tire Scanning At Road Atlanta
- Tamf4 2021 004 Annual Tech Items For Road Atlanta
- Tamf4 2021 005 Ligier Technical Bulletin F4 32 Exhaust Revision
- Tamf4 2021 006 Ligier Technical Bulletin F4 33 Front Axle Update
- Tamf4 2021 007 Road America Pre Event Tech & Tire Scanning
- Tamf4 2021 008 Pre Event Tech & Tire Scanning At Mid Ohio
- Tamf4 2021 009 Brainerd Pre Event Tech Schedule & Tire Scanning
- Tamf4 2021 009 Brainerd Pre Event Tech Schedule & Tire Scanning
- Tamf4 2021 011 Seal Declaration Form
- Tamf4 2021 012 Gearbox Rules Change Advisory
- Tamf4 2021 013 Engine Power Verification Protocol
- Tamf4 2021 014 Vir Event Tech Schedules & Details
- Tamf4 2021 015 Returning Ad Rs & Yellow Flag Boxes At Cota
- Tamf4 2021 016 Cota Event Tech Schedules & Details
2020
- Tamf4 2020 001 2020 Technical Rules
- Tamf4 2020 002 Enforcement Of Fia Tech Reg 2
- Tamf4 2020 003 Spec Oil Advisory
- Tamf4 2020 004 Lap Belts
- Tamf4 2020 005 Forms For Engine Removal Or Replacement
- Tamf4 2020 006 Transmission Compliance
- Tamf4 2020 007 Shock Compliance
- Tamf4 2020 008 Seal Violation Penalties
- Tamf4 2020 009 Annual Tech
- Tamf4 2020 010 Ligier Tech Bulletin #30 4
- Tamf4 2020 011 Stall Light With Ligier And Hpd Tech Bulletins
- Tamf4 2020 012 Reminder On Spec Oil, Seals, And Engine Changes
- Tamf4 2020 013 Rear Number Plate
- Tamf4 2020 014 Hpd Bulletin F4 2020 El001 00 Wiring Harness Service
- Tamf4 2020 015 Reminder On Engine Change Notice
- Tamf4 2020 016 Hpd Bulletin F4 2020 En003 00 Oil Pump Recall
- Tamf4 2020 017 Mid Ohio Annual Tech With Form
- Tamf4 2020 018 Transmission Oil At Mid Ohio
- Tamf4 2020 019 Rear Number Plates At Mid Ohio
- Tamf4 2020 020 Ligier Bulletin #1 Parts Book V5 UPDATE
- Tamf4 2020 021 Hpd Reminder On Oil Pump Recall
- Tamf4 2020 022 Annual Tech At Mid Ohio
- Tamf4 2020 023 Transmission Oil At Vir
- Tamf4 2020 025 Tape To Secure Engine Cover At Vir
- Tamf4 2020 026 Jongbloed Front Wheels For Rain Tires At Barber 2020 Event
- Tamf4 2020 027 Pre Event Tech At Barber 2020
- Tamf4 2020 028 Hpd Bulletin F4 2020 En004 00 Cam Cover Breather Safety
- Tamf4 2020 029 Practice Tires For Sebring And Homestead
- Tamf4 2020 030 Jongbloed Front Wheels For Rain Tires At Sebring And Homestead
- Tamf4 2020 031 Pre Event Tech And Tire Scanning At Sebring 2020
- Tamf4 2020 033 Weighing Cars And Drivers At Homestead Pre Event Tech
- Tamf4 2020 034 Jongbloed Front Wheets For Rain Tires At Cota
- Tamf4 2020 035 Returning Adr At Cota
- Tamf4 2020 036 Pre Event Tech And Tire Scanning At Cota 2020
2019
- Tamf4 2019 001 2019 Technical Rules
- Tamf4 2019 002 Shock Seals
- Tamf4 2019 004 Non Compliant Practice Tires
- Tamf4 2019 008 Hpd Bulletin F4 2019 En002 Cam Cover Breather
- Tamf4 2019 010 Hpd Bulletin F4 2020 En001 Engine Vendor Change
2018
- Tamf4 2018 001 Overview Of Bulletins
- Tamf4 2018 003 Transmission Compliance
- Tamf4 2018 004 Annual Safety Tech At Vir
- Tamf4 2018 005 Sabelt Harnesses
- Tamf4 2018 006 Anti Intrusion Kit
- Tamf4 2018 007 Clarification To Tamf4 2018 006
- Tamf4 2018 008 Revised Sabelt Harness Date
- Tamf4 2018 011 2018 Season Engine Selection
- Tamf4 2018 012 Engine Oil To Water Heat Exchanger Bypass
- Tamf4 2018 013 Onroak Bulletin Heat Exchanger Bypass
- Tamf4 2018 014 Hpd Bulletin F4 2018 En003 Fuel Pump Bolts
- Tamf4 2018 015 Interim Floor Hangers
- Tamf4 2018 016 Overall Width Compliance Checks
- Tamf4 2018 018 Hpd Bulletin F4 2018 En002 Engine Services And Parts
- Tamf4 2018 019 Hpd Limp Mode Flag In Gems Log File
- Tamf4 2018 021 Hpd Oil Pump Access At Cota
2017
2016