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 races
Class stats →| Stat | Median | Class median | Average | Spread | Change | Runs |
|---|---|---|---|---|---|---|
| Starting line | ||||||
| Reaction timeRed lights left out | .017 | .035 | .021 | .010 | .000 | 6 |
| R/T + 60'Reaction time plus 60-foot time | 1.330 | 1.349 | 1.348 | .046 | −.055 | 6 |
| Red-light rateShare of starts that were red lights | 33.3% | 18.8% | — | — | 0.0 pts | 9 |
| PackageReaction time plus over/under the dial | .055 | .069 | .194 | .249 | −.432 | 3 |
| On the index | ||||||
| Under the index, qualifyingHow far under the class index they qualify | .777 | .736 | .761 | .045 | −.061 | 5 |
| Dial under the indexHow far under the index they dial in eliminations | .770 | .760 | .777 | .049 | −.099 | 4 |
| Rounds run heads-upShare of elimination rounds run on the index instead of a dial | 0.0% | 3.6% | — | — | 0.0 pts | 4 |
| Increments | ||||||
| 60' | 1.312 | 1.303 | 1.333 | .048 | −.080 | 9 |
| 330' | 3.961 | 3.879 | 3.957 | .029 | +.002 | 9 |
| 660' | 6.254 | 6.084 | 6.250 | .045 | −.003 | 9 |
| 660' MPH | 106.09 | 110.89 | 106.36 | 0.77 | +0.31 | 9 |
| 1000' | 8.273 | 8.005 | 8.272 | .074 | −.002 | 9 |
| ET (1320') | 10.004 | 9.680 | 10.038 | .190 | +.023 | 9 |
| MPH | 129.84 | 134.85 | 126.90 | 9.74 | −1.92 | 9 |
| Splits | ||||||
| 60'–330' | 2.647 | 2.575 | 2.624 | .060 | +.082 | 9 |
| 330'–660' | 2.297 | 2.206 | 2.293 | .016 | −.005 | 9 |
| 660'–1000' | 2.015 | 1.921 | 2.022 | .042 | +.001 | 9 |
| 1000'–1320' | 1.728 | 1.656 | 1.766 | .131 | +.025 | 9 |
| MPH gain, 660' to finish | 23.67 | 24.64 | 20.54 | 9.59 | −2.22 | 9 |
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 |