Don Istook is a racing driver who last raced in IMSA Pilot Challenge for RS Werkes Racing. Istook has recorded 0 wins and 0 podiums from 4 starts.[1]
A Racer Rating of 1,165 ranks Istook 11922th of 12,418 indexed drivers, on an Elo scale where the strongest reach the low five figures. It is built from every indexed race in the driver's file, decayed for time since their last race.
| Season | Series | Team | Races | Wins | Podiums | DNFs | Poles | Points | Pos | Gain/Loss | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | IMSA Pilot Challenge | RS Werkes Racing | 4 | 0 | 0 | 0 | 0 | 0 | P59 | −185 | 1,165 |
| Rival | Rating | Raced | Ahead | Behind | Record |
|---|---|---|---|---|---|
| 🇺🇸 Rodrigo Sales | 3,991 | 4 | 0 | 4 | 0% |
| 🇨🇦 Kuno Wittmer | 3,015 | 4 | 0 | 4 | 0% |
| 🏳️ Stephen Simpson | 2,806 | 4 | 0 | 4 | 0% |
| 🇺🇸 Tom Long | 2,742 | 4 | 0 | 4 | 0% |
| 🇺🇸 Britt Casey Jr | 2,730 | 4 | 0 | 4 | 0% |
| 🇺🇸 Michael Johnson | 2,627 | 4 | 0 | 4 | 0% |
| 🇺🇸 Roy Block | 2,210 | 4 | 1 | 3 | 25% |
| 🇺🇸 Pierre Kleinubing | 2,118 | 4 | 1 | 3 | 25% |
| 🇺🇸 Lee Carpentier | 1,507 | 4 | 0 | 4 | 0% |
| 🇺🇸 Luke Rumburg | 1,499 | 4 | 1 | 3 | 25% |
Don Istook is a driver on record with RS Werkes Racing in the IMSA Pilot Challenge, having made four career starts without a championship, race win, or podium finish to his name. His participation is confined to a single documented campaign, with no prior series or teams noted in his record.[1]
In the 2026 season, Istook competed in all four rounds contested by the team, finishing without a win or podium and placing P59 in the final standings. His current Racer Rating stands at 1,165, ranking 11,922th among active drivers on a scale where the sport's elite typically register between 10,000 and 11,500. Istook's status is now listed as retired, closing out a career defined by limited starts and no major results.