Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJonnie A Alper
#1158 · 1:46:00 · M62 · Group L · DR
Wave start 8:39 AM (L-DR)
Athlete B
OfficialIvy Stempkovski
#1157 · 1:42:56 · F25 · Group P · DR
Wave start 8:42 AM (P-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
Jonnie (L-DR) started at 8:39 AM; Ivy (P-DR) started at 8:42 AM. That gave Jonnie a 3 minutes head start on Ivy. On foot, Jonnie ran 1:46:00 and Ivy ran 1:42:56 — Ivy was 3:04 faster than Jonnie. Jonnie took official place 1158th (time-based 1179th) and Ivy took official place 1157th (time-based 1134th). 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 = Jonnie − Ivy. Negative means Jonnie 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 | Jonnie | Ivy | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:20 | 11:43 | +0:37 |
| Stairs to Windy Gap | 9:03 | 11:09 | -2:06 |
| Windy Gap to Muir Woods | 8:09 | 7:43 | +0:26 |
| Muir Woods to Cardiac | 40:51 | 40:26 | +0:25 |
| Cardiac to White Gate | 22:03 | 19:49 | +2:14 |
| White Gate to The Stile | 10:32 | 9:37 | +0:55 |
| The Stile to Finish | 3:02 | 2:29 | +0:33 |
Δ negative = Jonnie ran the segment faster.