Stephanie Diekema
Super Stock
29Races
2Wins
1Runner-ups
2026 points
All standings →| Class | National | Divisional |
|---|---|---|
| Super Stock | #76 · 360 pts | #8 in Div. 5 · 300 pts |
Super Stock · This season
Class stats →| Stat | Median | Class median | Average | Spread | Change | Runs |
|---|---|---|---|---|---|---|
| Starting line | ||||||
| Reaction timeRed lights left out | .025 | .036 | .039 | .033 | +.008 | 29 |
| R/T + 60'Reaction time plus 60-foot time | 1.338 | 1.353 | 1.366 | .048 | −.043 | 15 |
| Red-light rateShare of starts that were red lights | 19.4% | 17.6% | — | — | −9.0 pts | 36 |
| PackageReaction time plus over/under the dial | .074 | .069 | .170 | .174 | +.028 | 7 |
| On the index | ||||||
| Under the index, qualifyingHow far under the class index they qualify | .750 | .720 | .722 | .076 | +.148 | 7 |
| Dial under the indexHow far under the index they dial in eliminations | .730 | .770 | .741 | .059 | +.086 | 7 |
| Rounds run heads-upShare of elimination rounds run on the index instead of a dial | 0.0% | 5.1% | — | — | 0.0 pts | 7 |
| Increments | ||||||
| 60' | 1.333 | 1.311 | 1.336 | .031 | −.012 | 21 |
| 330' | 4.006 | 3.910 | 3.995 | .043 | −.075 | 21 |
| 660' | 6.332 | 6.133 | 6.307 | .063 | −.108 | 21 |
| 660' MPH | 105.58 | 110.02 | 105.67 | 0.90 | +1.22 | 21 |
| 1000' | 8.368 | 8.071 | 8.339 | .083 | −.127 | 21 |
| ET (1320') | 10.109 | 9.761 | 10.114 | .151 | −.139 | 21 |
| MPH | 128.68 | 132.55 | 125.46 | 8.41 | +2.16 | 21 |
| Splits | ||||||
| 60'–330' | 2.669 | 2.601 | 2.659 | .052 | −.063 | 21 |
| 330'–660' | 2.315 | 2.226 | 2.311 | .021 | −.033 | 21 |
| 660'–1000' | 2.034 | 1.939 | 2.032 | .029 | −.018 | 21 |
| 1000'–1320' | 1.740 | 1.676 | 1.775 | .099 | −.012 | 21 |
| MPH gain, 660' to finish | 23.37 | 24.26 | 19.79 | 8.27 | +0.95 | 21 |
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 |