Jeff Mosing is a racing driver from United States who competes in SVRA. Mosing is a one-time champion (2025), with 10 wins and 31 podiums from 110 starts.[1]
A Racer Rating of 2,853 ranks Mosing 9405th of 40,349 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.
| 2026-05-31 | Sonoma Raceway CLASS | P2 | +20 |
| 2026-04-26 | Sonoma Raceway SVRA | P2 | +17 |
| 2026-04-25 | Sonoma Raceway SVRA | P2 | +25 |
| 2026-04-25 | Sonoma Raceway SVRA | P3 | +10 |
| Rating won | Race | Series | Finish |
|---|---|---|---|
| +130 | Lime Rock Park 2021 | IMSA Pilot Challenge | P1 |
| +110 | Watkins Glen International 2023 | Porsche Carrera Cup NA | P1 |
| +98 | Watkins Glen International 2023 | Porsche Carrera Cup NA | P1 |
| +89 | Lime Rock Park 2019 | IMSA Pilot Challenge | P3 |
| +83 | Detroit Street Circuit 2023 | IMSA Pilot Challenge | P5 |
| Season | Series | Team | Races | Wins | Podiums | DNFs | Poles | Points | Pos | Gain/Loss | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | ▸SVRA | 3 | 0 | 3 | 0 | 0 | 0 | — | +53 | 2,853 | |
| ▸Velocity Invitational | 1969 Datsun 510 Sedan | 1 | 0 | 1 | 0 | 0 | 0 | — | +20 | ||
| 2025 | ▸SVRA | 6 | 4 | 4 | 0 | 0 | 0 | — | +26 | 2,780 | |
| 2024 | ▸Porsche Carrera Cup NA | Topp Racing Performance | 10 | 0 | 0 | 0 | 0 | 0 | P8 | −694 | 2,754 |
| ▸SVRA | 4 | 0 | 1 | 0 | 0 | 0 | — | −586 | |||
| 2023 | ▸Porsche Carrera Cup NA | Topp Racing | 7 | 2 | 5 | 0 | 0 | 0 | P5 | +41 | 4,035 |
| ▸IMSA Pilot Challenge | Murillo Racing | 6 | 0 | 0 | 0 | 0 | 0 | P13 | −3 | ||
| 2022 | ▸Porsche Carrera Cup NA | Topp Racing | 8 | 0 | 3 | 0 | 0 | 0 | P7 | −389 | 3,997 |
| ▸IMSA Pilot Challenge | Murillo Racing | 4 | 0 | 0 | 0 | 0 | 0 | P20 | +87 | ||
| ▸International GT | 3 | 0 | 2 | 0 | 0 | 0 | P10 | −184 | |||
| 2021 | ▸IMSA Pilot Challenge | Murillo Racing | 8 | 1 | 1 | 0 | 0 | 0 | P10 | −15 | 4,483 |
| 2020 | ▸IMSA Pilot Challenge | Murillo Racing | 10 | 0 | 0 | 0 | 0 | 0 | P13 | +130 | 4,412 |
| 2019 | ▸IMSA Pilot Challenge | Murillo Racing | 10 | 0 | 2 | 0 | 0 | 0 | P10 | +46 | 4,492 |
| 2018 | ▸IMSA Pilot Challenge | Murillo Racing | 8 | 0 | 0 | 0 | 0 | 0 | P9 | +22 | 4,366 |
| 2017 | ▸IMSA Pilot Challenge | Murillo Racing | 8 | 2 | 6 | 0 | 0 | 0 | P3 | +235 | 4,323 |
| ▸Porsche GT3 Cup Challenge USA by Yokohama | Topp Racing | 2 | 0 | 0 | 0 | 0 | 0 | — | −99 | ||
| 2016 | ▸IMSA Pilot Challenge | Murillo Racing | 7 | 1 | 3 | 0 | 0 | 0 | P3 | +79 | 4,313 |
| ▸Porsche GT3 Cup Challenge | TOPP Racing | 2 | 0 | 0 | 0 | 0 | 0 | — | −200 | ||
| ▸Porsche GT3 Cup Challenge USA by Yokohama | TOPP Racing | 2 | 0 | 0 | 0 | 0 | 0 | — | −387 | ||
| 2015 | ▸IMSA WeatherTech | Riley Motorsports | 1 | 0 | 0 | 0 | 0 | 0 | P36 | +2,950 | 4,300 |
| Rival | Rating | Raced | Ahead | Behind | Record |
|---|---|---|---|---|---|
| 🇺🇸 Tim ProbertFIA Bronze | 2,385 | 63 | 54 | 9 | 86% |
| 🇺🇸 Gregory LiefoogheFIA Silver | 3,652 | 52 | 31 | 21 | 60% |
| 🇺🇸 Owen TrinklerFIA Bronze | 2,833 | 52 | 30 | 22 | 58% |
| 🇺🇸 Spencer PumpellyFIA Silver | 4,134 | 46 | 25 | 21 | 54% |
| 🇺🇸 Chad McCumbeeFIA Silver | 3,903 | 44 | 25 | 19 | 57% |
| 🇬🇧 Robin LiddellFIA Silver | 3,578 | 44 | 27 | 17 | 61% |
| 🇺🇸 James ClayFIA Bronze | 3,144 | 43 | 26 | 17 | 60% |
| 🇺🇸 Brent MosingFIA Bronze | 3,330 | 41 | 36 | 5 | 88% |
| 🇺🇸 Alan BrynjolfssonFIA Bronze | 4,608 | 40 | 20 | 20 | 50% |
| 🇺🇸 Trent HindmanFIA Gold | 4,246 | 40 | 20 | 20 | 50% |
| 🇺🇸 Chase BriscoeHigher-rated, 1× champion | 6,639 | 9 | 7 | 2 | 78% |
| 🇺🇸 Austin CindricFIA Silver, 1× champion | 6,457 | 5 | 2 | 3 | 40% |
| 🇫🇷 Sacha FenestrazFIA Platinum, 1× champion | 6,049 | 1 | 1 | 0 | 100% |
| # | Driver | Series | Rating |
|---|---|---|---|
| 9,395 | 🇪🇸 Lorenzo Donniacuo | GT World Challenge Europe | 2,854 |
| 9,396 | 🇦🇷 Marcos Castro | Turismo Carretera | 2,854 |
| 9,397 | 🇳🇱 Mitchell VAN DIJK | Le Mans Cup | 2,854 |
| 9,398 | 🇨🇦 Rob Naismith | NASCAR Canada Series | 2,854 |
| 9,399 | 🏳️ Robert Grace | NASA | 2,854 |
| 9,400 | 🇯🇵 Shintaro AKATSU | Ferrari Challenge | 2,854 |
| 9,401 | 🇦🇺 Tim Berryman | S5000 | 2,854 |
| 9,402 | 🇺🇸 Alexander Marmureanu | Porsche Carrera Cup NA | 2,853 |
| 9,403 | 🇬🇧 Blake Angliss | British GT Championship | 2,853 |
| 9,404 | 🏳️ Drew Delmonico | International GT | 2,853 |
| 9,405 | 🇺🇸 Jeff Mosing | SVRA | 2,853 |
| 9,406 | 🇮🇪 Jon Kearney | British GT Championship | 2,853 |
| 9,407 | 🇦🇺 Mrad Kamal | Italian F4 | 2,853 |
| 9,408 | 🇺🇸 Ruben Caceres-Martos | Whelen Mazda MX-5 Cup presented by Michelin | 2,853 |
| 9,409 | 🏳️ Seb Hopkins | British GT Championship | 2,853 |
| 9,410 | 🇫🇷 Antoine Weil | Road to Le Mans | 2,852 |
| 9,411 | 🏳️ Thiago Marques | Stock Car Pro Series | 2,852 |
| 9,412 | 🇫🇮 Jani Käkelä | 24H Series | 2,851 |
| 9,413 | 🇩🇪 Jordan Williams | ARCA Menards Series | 2,851 |
| 9,414 | 🇦🇷 Marco Dianda | Turismo Carretera | 2,851 |
| 9,415 | 🇫🇷 Mattéo Mérafina | 24H Series | 2,851 |
Jeff Mosing is a semi-professional endurance and sports-car racer, FIA Bronze-graded, currently competing in SVRA and Porsche Carrera Cup NA. He drives GT4-level and production-based sports cars and Porsche 911 GT3 Cup cars for Murillo Racing and Topp Racing Performance. His primary series is IMSA Pilot Challenge, a national multiclass endurance championship in which he has taken 61 starts across nearly a decade, accumulating four wins and 12 podiums in shared-car racing against fields mixing amateurs and graded professionals.[1]
Mosing won the 2025 SVRA championship from 13 starts, taking four wins and eight podiums in that series. In Porsche Carrera Cup NA, a single-driver championship, he has competed for two seasons with two wins and eight podiums from 25 starts. Across his 110 indexed starts since 2015, he holds ten wins and 31 podiums. He has finished ahead of elite and established professionals including Chase Briscoe, a NASCAR Cup Series driver and 2016 ARCA Menards Series champion, on seven occasions, and Austin Cindric, an established professional and two-time NASCAR Xfinity champion, twice. His most regular opponents are Tim Probert, a competitive amateur he usually beats, and Gregory Liefooghe, an entry-level professional with whom he runs closely matched. In 2026, Mosing has taken a podium finish from one round of Velocity Invitational and currently sits eighth in the championship standings with more rounds remaining.[2]