Stephanie Diekema
Super Stock
29Races
2Wins
1Runner-ups
2026 points
All standings →| Class | National | Divisional |
|---|---|---|
| Super Stock | #93 · 337 pts | #6 in Div. 5 · 277 pts |
Super Stock · Last 3 seasons
Class stats →| Stat | Median | Class median | Average | Spread | Change | Runs |
|---|---|---|---|---|---|---|
| Starting line | ||||||
| Reaction timeRed lights left out | .026 | .036 | .048 | .045 | −.091 | 36 |
| R/T + 60'Reaction time plus 60-foot time | 1.344 | 1.356 | 1.374 | .046 | −.049 | 19 |
| Red-light rateShare of starts that were red lights | 26.5% | 17.5% | — | — | −27.6 pts | 49 |
| PackageReaction time plus over/under the dial | .055 | .072 | .117 | .155 | +.159 | 11 |
| On the index | ||||||
| Under the index, qualifyingHow far under the class index they qualify | .642 | .692 | .584 | .204 | +.405 | 11 |
| Dial under the indexHow far under the index they dial in eliminations | .710 | .750 | .616 | .184 | +.369 | 11 |
| Rounds run heads-upShare of elimination rounds run on the index instead of a dial | 8.3% | 5.2% | — | — | −20.7 pts | 12 |
| Increments | ||||||
| 60' | 1.343 | 1.313 | 1.347 | .031 | −.042 | 30 |
| 330' | 4.019 | 3.912 | 4.040 | .079 | −.171 | 30 |
| 660' | 6.338 | 6.136 | 6.380 | .126 | −.278 | 30 |
| 660' MPH | 104.89 | 109.98 | 104.48 | 2.03 | +4.47 | 30 |
| 1000' | 8.389 | 8.075 | 8.432 | .162 | −.352 | 30 |
| ET (1320') | 10.196 | 9.761 | 10.211 | .199 | −.370 | 30 |
| MPH | 128.13 | 132.44 | 125.30 | 7.02 | +0.86 | 30 |
| Splits | ||||||
| 60'–330' | 2.688 | 2.602 | 2.693 | .068 | −.129 | 30 |
| 330'–660' | 2.326 | 2.226 | 2.340 | .048 | −.106 | 30 |
| 660'–1000' | 2.045 | 1.940 | 2.052 | .040 | −.074 | 30 |
| 1000'–1320' | 1.750 | 1.677 | 1.780 | .083 | −.018 | 30 |
| MPH gain, 660' to finish | 23.54 | 24.28 | 20.83 | 7.10 | −3.61 | 30 |
Season by season
| Season | Class | Races | Wins | Runner-ups |
|---|---|---|---|---|
| 2026 | Super Stock | 8 | 1 | 1 |
| 2025 | Super Stock | 3 | 0 | 0 |
| 2024 | Super Stock | 1 | 0 | 0 |
| 2023 | Super Stock | 8 | 0 | 0 |
| 2022 | Super Stock | 9 | 1 | 0 |