Isaac Tutumlú is a racing driver from Venezuela who competes in GT World Challenge Europe for GRT Grasser Racing Team. Tutumlú has recorded 0 wins and 0 podiums from 20 starts.[1]
A Racer Rating of 3,482 ranks Tutumlú 5911th 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.
| 2025-10-11 | Barcelona | P47 | −61 |
| 2025-07-18 | Misano | P37 | −86 |
| 2025-07-18 | Misano | P28 | +18 |
| 2025-05-16 | Zandvoort | P24 | — |
| 2025-05-16 | Zandvoort | P24 | +32 |
| Rating won | Race | Series | Finish |
|---|---|---|---|
| +64 | Race of Spain 2012 | World Touring Car Championship | P11 |
| +32 | Zandvoort 2025 | GT World Challenge Europe | P24 |
| +29 | Barcelona 2022 | GT World Challenge Europe | P28 |
| +29 | Daytona 24 Hours 2014 | IMSA WeatherTech | P42 |
| +24 | Barcelona 2023 | GT World Challenge Europe | P32 |
| Season | Series | Team | Races | Wins | Podiums | DNFs | Poles | Points | Pos | Gain/Loss | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | ▸GT World Challenge Europe | GRT Grasser Racing Team | 5 | 0 | 0 | 0 | 0 | 0 | P37 | −97 | 3,482 |
| 2023 | ▸GT World Challenge Europe | ST Racing with Rinaldi | 3 | 0 | 0 | 0 | 0 | 0 | P39 | −32 | 3,579 |
| 2022 | ▸GT World Challenge Europe | Leipert Motorsport | 6 | 0 | 0 | 0 | 0 | 0 | P43 | −402 | 3,611 |
| 2014 | ▸IMSA WeatherTech | Starworks Motorsport | 1 | 0 | 0 | 0 | 0 | 0 | P36 | +29 | 4,013 |
| 2012 | ▸World Touring Car Championship | Proteam Racing | 5 | 0 | 0 | 2 | 0 | 0 | P26 | +2,635 | 3,985 |
| Rival | Rating | Raced | Ahead | Behind | Record |
|---|---|---|---|---|---|
| 🇱🇺 Alex Arkin Aka | 4,537 | 14 | 2 | 12 | 14% |
| 🇧🇪 Charles WeertsFIA Platinum | 6,272 | 13 | 1 | 12 | 8% |
| 🇨🇭 Patric NiederhauserFIA Platinum | 5,111 | 13 | 0 | 13 | 0% |
| 🇫🇷 Aurelien PanisFIA Silver | 4,553 | 13 | 0 | 13 | 0% |
| 🇮🇹 Eddie Cheever III | 3,434 | 13 | 4 | 9 | 31% |
| 🇨🇭 Raffaele MarcielloFIA Platinum | 5,641 | 12 | 0 | 12 | 0% |
| 🇩🇪 Benjamin GoetheFIA Gold | 5,152 | 12 | 0 | 12 | 0% |
| 🇩🇪 Dennis MarschallFIA Platinum | 4,140 | 12 | 2 | 10 | 17% |
| 🇸🇪 Gilles MagnusFIA Gold | 4,452 | 11 | 2 | 9 | 18% |
| 🇫🇷 Simon GachetFIA Gold | 4,368 | 11 | 0 | 11 | 0% |
| 🇳🇿 Brendon HartleyFIA Platinum, 3× champion | 6,023 | 1 | 1 | 0 | 100% |
| 🇵🇹 Timo BernhardFIA Platinum, 1× champion | 5,941 | 1 | 1 | 0 | 100% |
| 🇺🇸 Jamie McMurrayFIA Gold | 5,924 | 1 | 1 | 0 | 100% |
| # | Driver | Series | Rating |
|---|---|---|---|
| 5,901 | 🇮🇹 Marco Cencetti | Le Mans Cup | 3,485 |
| 5,902 | 🇳🇱 Ralph Poppelaars | 24H Series | 3,485 |
| 5,903 | 🇮🇹 David Fumanelli | GT World Challenge Europe | 3,484 |
| 5,904 | 🇺🇸 Vincent Barletta | IMSA Pilot Challenge | 3,484 |
| 5,905 | 🇩🇪 Finn Zulauf | GT Winter Series | 3,483 |
| 5,906 | 🇯🇵 Hiroshi Takamori | Super GT | 3,483 |
| 5,907 | 🇺🇸 Isabella Robusto | ARCA Menards Series | 3,483 |
| 5,908 | 🇺🇸 Leland Kangas | NASCAR Xfinity | 3,483 |
| 5,909 | 🇬🇧 Michael Mallock | FIA GT Championship | 3,483 |
| 5,910 | 🇬🇧 Peter Snowdon | FIA GT Championship | 3,483 |
| 5,911 | 🇻🇪 Isaac Tutumlú | GT World Challenge Europe | 3,482 |
| 5,912 | 🇩🇪 Sören Spreng | Porsche Mobil 1 Supercup | 3,482 |
| 5,913 | 🇩🇴 Alfredo Najri | IMSA Pilot Challenge | 3,481 |
| 5,914 | 🇺🇸 David MUSIAL JR | GT World Challenge America | 3,480 |
| 5,915 | 🇺🇸 Garrett Lowe | Racing Prodigy | 3,480 |
| 5,916 | 🇧🇪 Guino Kenis | FIA GT Championship | 3,480 |
| 5,917 | 🏳️ Johannes Siegler | Nürburgring Langstrecken-Serie | 3,480 |
| 5,918 | 🇷🇺 Murod SULTANOV | Le Mans Cup | 3,480 |
| 5,919 | 🇸🇪 Stanley Dickens | Formula 3 Macau | 3,480 |
| 5,920 | 🇮🇹 Stefano Costantini | GT Winter Series | 3,480 |
| 5,921 | 🇱🇹 Jonas Karklys | GT Winter Series | 3,479 |
Isaac Tutumlú is an entry-level professional racing in single-class and multiclass endurance championships. He has raced for GRT Grasser Racing Team in GT World Challenge Europe since 2022, piloting a shared car in a field mixing amateurs with professionals across Europe. He has also competed in the World Touring Car Championship as a solo driver and made a single start in IMSA WeatherTech.[1]
Tutumlú's indexed career spans from 2012 to the present across 20 starts. His most substantial work has been in GT World Challenge Europe, where he has competed regularly for GRT Grasser since 2022. He also drove five rounds in the 2012 World Touring Car Championship for Proteam Racing, finishing 26th in the championship standings.[2]
In GT World Challenge Europe, a field that includes established professionals and multiple champions, Tutumlú typically finishes behind the regulars such as Alex Arkin Aka and Charles Weerts, a four-time series champion and Platinum-graded driver. He has nevertheless finished ahead of Weerts at least once, and has also beaten Brendon Hartley, an established professional with a Formula 1 and two World Endurance Championship titles to his name, in a single meeting.