Isaac Phelps is a racing driver from United Kingdom who competes in Porsche Carrera Cup GB for Rosland Gold by Century Motorsport. Phelps has recorded 4 wins and 11 podiums from 35 starts.[1]
A Racer Rating of 4,043 ranks Phelps 3408th of 40,308 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.
| 2026-09-06 | Croft | P2 | +86 |
| 2026-09-06 | Croft | P3 | +60 |
| 2026-08-23 | Donington GP | P6 | −13 |
| 2026-08-23 | Donington GP | P3 | +65 |
| 2026-07-26 | Thruxton | P3 | +72 |
| Rating won | Race | Series | Finish |
|---|---|---|---|
| +159 | Donington GP 2025 | GB4 | P1 |
| +129 | Snetterton 300 2025 | GB4 | P2 |
| +127 | Silverstone GP 2025 | GB4 | P1 |
| +126 | Donington GP 2025 | GB4 | P2 |
| +106 | Brands GP 2025 | GB4 | P1 |
| Season | Series | Team | Races | Wins | Podiums | DNFs | Poles | Points | Pos | Gain/Loss | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | ▸Porsche Carrera Cup GB | Rosland Gold by Century Motorsport | 12 | 0 | 5 | 0 | 0 | 0 | P3 | +250 | 4,043 |
| 2025 | ▸GB4 | Elite Motorsport | 21 | 4 | 6 | 0 | 6 | 0 | P2 | +2,443 | 3,793 |
| ▸GB3 | Elite Motorsport | 2 | 0 | 0 | 0 | 0 | 0 | P28 | ↑560−132 |
| Rival | Rating | Raced | Ahead | Behind | Record |
|---|---|---|---|---|---|
| 🏳️ Daniel Guinchard | 3,529 | 21 | 13 | 8 | 62% |
| 🇸🇪 Enzo Hallman | 2,905 | 21 | 15 | 6 | 71% |
| 🇺🇸 Caitlyn McDaniel | 1,327 | 21 | 19 | 2 | 90% |
| 🇮🇳 Aryaman Bansal | 3,765 | 20 | 8 | 12 | 40% |
| 🇮🇪 Alex O'grady | 3,473 | 20 | 13 | 7 | 65% |
| 🇸🇬 Alexandros George Kattoulas | 3,440 | 20 | 12 | 8 | 60% |
| 🇬🇧 Joshua Mclean | 2,980 | 20 | 17 | 3 | 85% |
| 🇺🇸 Ava Dobson | 2,283 | 20 | 17 | 3 | 85% |
| 🇬🇧 Holly Miall | 1,254 | 20 | 17 | 3 | 85% |
| 🇬🇧 Tom Ingram Hill | 3,149 | 19 | 10 | 9 | 53% |
| 🇮🇪 Michael KeohaneFIA Bronze | 4,239 | 6 | 6 | 0 | 100% |
| 🇬🇧 Lewis WherrellHigher-rated | 4,220 | 3 | 3 | 0 | 100% |
| # | Driver | Series | Rating |
|---|---|---|---|
| 3,398 | 🇬🇧 Ruben del Sarte | GT World Challenge Europe | 4,046 |
| 3,399 | 🇧🇪 Sam DeJonghe | GT World Challenge Europe | 4,046 |
| 3,400 | 🏳️ Stuart Hall | British GT Championship | 4,046 |
| 3,401 | 🇱🇰 Eshan Pieris | 24H Series | 4,045 |
| 3,402 | 🇬🇧 Jonathan Cocker | FIA GT Championship | 4,045 |
| 3,403 | 🇺🇸 Robb Brent | NASCAR Xfinity | 4,045 |
| 3,404 | 🇲🇾 Akash Nandy | GT World Challenge Asia | 4,044 |
| 3,405 | 🇯🇵 Seiya Jin | Super GT | 4,044 |
| 3,406 | 🇮🇪 Alex Denning | Lamborghini Super Trofeo Asia | 4,043 |
| 3,407 | 🇧🇷 Guilherme Silva | Formula Renault Eurocup | 4,043 |
| 3,408 | 🇬🇧 Isaac Phelps | Porsche Carrera Cup GB | 4,043 |
| 3,409 | 🇺🇸 Jamie Aube | NASCAR Xfinity | 4,043 |
| 3,410 | 🇺🇸 Larry Hollenbeck | NASCAR Xfinity | 4,043 |
| 3,411 | 🇺🇸 Dick McCabe | NASCAR Xfinity | 4,042 |
| 3,412 | 🇵🇹 Ivan Franco Domingues | Formula 3 | 4,042 |
| 3,413 | 🏳️ Marcio Campos | Stock Car Pro Series | 4,042 |
| 3,414 | 🇺🇸 Michael McCarthy | IMSA Pilot Challenge | 4,042 |
| 3,415 | 🇫🇷 Pierre Combot | Formula Renault Eurocup | 4,042 |
| 3,416 | 🇨🇳 Anthony Liu | GT World Challenge Asia | 4,041 |
| 3,417 | 🇳🇱 Arie Luyendyk Jr. | SKUSA SuperNationals | 4,041 |
| 3,418 | 🇨🇭 Arturo Devigus | Nürburgring Langstrecken-Serie | 4,041 |
Isaac Phelps is an entry-level professional competing in single-seater racing in the United Kingdom. He races for Rosland Gold by Century Motorsport in Porsche Carrera Cup GB, where he is currently third in the championship standings with three podiums from the ten rounds completed so far. His main campaign has been in GB4, where he drove for Elite Motorsport.[1]
In 2025, his first season on record, Phelps won four races and took six podiums across 21 GB4 starts for Elite Motorsport, helping the team to the championship. He also made two appearances in GB3 that same year. He has moved into Porsche Carrera Cup GB in 2026 and currently leads a field mixing semi-professional and graded professional drivers with his results to date.[2]
Phelps has raced regularly against Daniel Guinchard, an entry-level professional with 45 British Formula 4 starts behind him, and finished closely matched in their encounters. He typically finishes ahead of Enzo Hallman, a semi-professional competitor with 38 GB4 starts. Among graded professionals he has faced, he has beaten Bronze-graded Michael Keohane four times in Porsche Carrera Cup, and has one victory over William Jenkins, a professional with ten Carrera Cup starts to his name.