Justin Deffenbaugh is a racing driver who competes in SCCA Regionals. Deffenbaugh has recorded 6 wins and 16 podiums from 19 starts.[1]
A Racer Rating of 1,775 ranks Deffenbaugh 18209th of 40,200 indexed drivers, on an Elo scale where the strongest reach the high 8,000s. It is built from every indexed race in the driver's file.
| 2026-05-02 | Virginia International Raceway ITS | P1 | +107 |
| 2026-03-21 | Carolina Motorsports Park ITS | P2 | +5 |
| Rating won | Race | Series | Finish |
|---|---|---|---|
| +163 | Carolina Motorsports Park 2024 | SCCA Regionals | P1 |
| +140 | Virginia International Raceway 2025 | SCCA Regionals | P1 |
| +134 | Carolina Motorsports Park 2023 | SCCA Regionals | P1 |
| +120 | Carolina Motorsports Park 2024 | SCCA Regionals | P1 |
| +107 | Virginia International Raceway 2026 | SCCA Regionals | P1 |
| Season | Series | Team | Races | Wins | Podiums | DNFs | Poles | Points | Pos | Gain/Loss | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | ▸SCCA Regionals | 2 | 1 | 2 | 0 | 0 | 0 | P17 | +113 | 1,775 | |
| 2025 | ▸SCCA Regionals | 5 | 2 | 5 | 0 | 0 | 0 | P12 | +349 | 1,662 | |
| 2024 | ▸SCCA Regionals | 7 | 2 | 5 | 0 | 0 | 0 | P8 | +138 | 1,313 | |
| 2023 | ▸SCCA Regionals | 2 | 1 | 2 | 0 | 0 | 0 | P28 | +95 | 1,174 | |
| 2022 | ▸SCCA Regionals | 3 | 0 | 2 | 0 | 0 | 0 | P25 | −271 | 1,079 |
| Rival | Rating | Raced | Ahead | Behind | Record |
|---|---|---|---|---|---|
| 🏳️ Ron Munnerlyn | 2,018 | 10 | 4 | 6 | 40% |
| 🏳️ Jeff Giordano | 2,080 | 8 | 3 | 5 | 38% |
| 🏳️ Chris Plucker | 1,054 | 8 | 6 | 2 | 75% |
| 🏳️ Jay R Miller | 475 | 8 | 8 | 0 | 100% |
| 🏳️ Ron Earp | 1,379 | 5 | 2 | 3 | 40% |
| 🏳️ William Phee | 1,925 | 4 | 1 | 3 | 25% |
| 🇺🇸 Nathan Jackson | 1,090 | 4 | 4 | 0 | 100% |
| 🏳️ Greg Micheal | 663 | 4 | 4 | 0 | 100% |
| 🏳️ Scott Coggin | 556 | 4 | 4 | 0 | 100% |
| 🏳️ Peter BeaulieuHigher-rated, 3× champion | 2,756 | 1 | 1 | 0 | 100% |
| 🏳️ Selin L RollanHigher-rated | 2,597 | 1 | 1 | 0 | 100% |
| # | Driver | Series | Rating |
|---|---|---|---|
| 18,200 | 🏳️ David Luaces | NASA | 1,776 |
| 18,201 | 🏳️ Jared Higham | NASA | 1,776 |
| 18,202 | 🇬🇧 Mark A. Johnston | SCCA Regionals | 1,776 |
| 18,203 | 🏳️ Mitch D Richard | PCA Club Racing | 1,776 |
| 18,204 | 🇺🇸 Adam Gleason | TC America powered by Skip Barber | 1,775 |
| 18,205 | 🏳️ Cason Refenning | ChampCar Endurance Series | 1,775 |
| 18,206 | 🏳️ Davey Manthei Jr. | SKUSA SuperNationals | 1,775 |
| 18,207 | 🏳️ David Agretelis | ChampCar Endurance Series | 1,775 |
| 18,208 | 🏳️ James Jost | SCCA Majors | 1,775 |
| 18,211 | 🏳️ Jörg Krell | Nürburgring Langstrecken-Serie | 1,775 |
| 18,209 | 🏳️ Justin Deffenbaugh | SCCA Regionals | 1,775 |
| 18,210 | 🏳️ Justin Demarco | American Endurance Racing | 1,775 |
| 18,212 | 🇬🇧 Marcos Burnett | Nürburgring Langstrecken-Serie | 1,775 |
| 18,213 | 🇱🇮 Peter Kieber | 24H Series | 1,775 |
| 18,214 | 🏳️ Seth Gentry | SCCA Majors | 1,775 |
| 18,215 | 🇦🇷 Agustín Lima Capitao | TC Pick Up | 1,774 |
| 18,216 | 🏳️ Alexander MacDonald | World Racing League | 1,774 |
| 18,217 | 🇷🇺 Boris Schulmeister | Nürburgring Langstrecken-Serie | 1,774 |
| 18,218 | 🏳️ Chad Cox | PCA Club Racing | 1,774 |
| 18,219 | 🇨🇳 Chuan Lu | Nürburgring Langstrecken-Serie | 1,774 |
| 18,220 | 🏳️ Jürgen Dienstühler | Nürburgring Langstrecken-Serie | 1,774 |
Justin Deffenbaugh is a racing driver who competes in SCCA Regionals. Deffenbaugh has recorded 6 wins and 16 podiums from 19 starts.[1]
A Racer Rating of 1,775 ranks Deffenbaugh 18209th of 40,200 indexed drivers, on an Elo scale where the strongest reach the high 8,000s. It is built from every indexed race in the driver's file.