Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMichael Doonan
#1202 · 1:40:30 · M46 · Group W · DR
Wave start 8:48 AM (W-DR)
Athlete B
OfficialSierra Peterson
#1206 · 1:48:43 · F45 · Group M · DR
Wave start 8:40 AM (M-DR)
Interpretation
Michael (W-DR) started at 8:48 AM; Sierra (M-DR) started at 8:40 AM. That gave Sierra a 8 minutes head start on Michael. On foot, Michael ran 1:40:30 and Sierra ran 1:48:43 — Michael was 8:13 faster than Sierra. Michael took official place 1202nd (time-based 1102nd) and Sierra took official place 1206th (time-based 1220th). Michael was faster on foot and finished ahead on the official clock too. Biggest swing: Michael gained 6:31 from Cardiac to White Gate.
Deltas
ComputedWave start
Sierra Peterson (M-DR) started 8 min earlier than Michael (W-DR).
- Overall place Δ
- -4
- Actual time Δ
- -8:13
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (Sierra earlier)
- Finish clock Δ
- -0:13
- Section place Δ
- -2
Δ = Michael − Sierra. Negative means Michael is ahead/faster.
Race timeline
Computed- Sierra (M-DR) started at 8:40 AM.
- Michael (W-DR) started at 8:48 AM, 8:00 later.
- Actual running time: Michael was 8:13 faster on foot than Sierra.
- Finish clock: Michael crossed the line 0:13 ahead of Sierra — Michael wins this head-to-head.
Δ (A − B): actual -8:13 · finish clock -0:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Michael | Sierra | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:45 | 10:46 | -0:01 |
| Stairs to Windy Gap | 8:36 | 7:28 | +1:08 |
| Windy Gap to Muir Woods | 8:58 | 10:36 | -1:38 |
| Muir Woods to Cardiac | 36:15 | 35:24 | +0:51 |
| Cardiac to White Gate | 22:23 | 28:54 | -6:31 |
| White Gate to The Stile | 10:48 | 12:41 | -1:53 |
| The Stile to Finish | 2:45 | 2:54 | -0:09 |
Δ negative = Michael ran the segment faster.