Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialIvy Stempkovski
#1157 · 1:42:56 · F25 · Group P · DR
Wave start 8:42 AM (P-DR)
Athlete B
OfficialJonnie A Alper
#1158 · 1:46:00 · M62 · Group L · DR
Wave start 8:39 AM (L-DR)
Comparison report
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The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
Ivy (P-DR) started at 8:42 AM; Jonnie (L-DR) started at 8:39 AM. That gave Jonnie a 3 minutes head start on Ivy. On foot, Ivy ran 1:42:56 and Jonnie ran 1:46:00 — Ivy was 3:04 faster than Jonnie. Ivy took official place 1157th (time-based 1134th) and Jonnie took official place 1158th (time-based 1179th). Ivy was faster on foot and finished ahead on the official clock too. Biggest swing: Ivy gained 2:14 from Cardiac to White Gate.
Deltas
ComputedWave start
Jonnie A Alper (L-DR) started 3 min earlier than Ivy (P-DR).
- Overall place Δ
- -1
- Actual time Δ
- -3:04
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Jonnie earlier)
- Finish clock Δ
- -0:04
- Section place Δ
- +16
Δ = Ivy − Jonnie. Negative means Ivy is ahead/faster.
Race timeline
Computed- Jonnie (L-DR) started at 8:39 AM.
- Ivy (P-DR) started at 8:42 AM, 3:00 later.
- Actual running time: Ivy was 3:04 faster on foot than Jonnie.
- Finish clock: Ivy crossed the line 0:04 ahead of Jonnie — Ivy wins this head-to-head.
Δ (A − B): actual -3:04 · finish clock -0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Ivy | Jonnie | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:43 | 12:20 | -0:37 |
| Stairs to Windy Gap | 11:09 | 9:03 | +2:06 |
| Windy Gap to Muir Woods | 7:43 | 8:09 | -0:26 |
| Muir Woods to Cardiac | 40:26 | 40:51 | -0:25 |
| Cardiac to White Gate | 19:49 | 22:03 | -2:14 |
| White Gate to The Stile | 9:37 | 10:32 | -0:55 |
| The Stile to Finish | 2:29 | 3:02 | -0:33 |
Δ negative = Ivy ran the segment faster.