Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialSpencer A Fast
#860 · 1:27:53 · M57 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Athlete B
OfficialWill Gensler
#856 · 1:19:44 · M18 · Group Z · DR
Wave start 8:51 AM (Z-DR)
Interpretation
Spencer (Q-DR) started at 8:43 AM; Will (Z-DR) started at 8:51 AM. That gave Spencer a 8 minutes head start on Will. On foot, Spencer ran 1:27:53 and Will ran 1:19:44 — Will was 8:09 faster than Spencer. Spencer took official place 860th (time-based 861st) and Will took official place 856th (time-based 643rd). Will was faster on foot and finished ahead on the official clock too. Biggest swing: Will gained 4:29 from Cardiac to White Gate.
Deltas
ComputedWave start
Spencer A Fast (Q-DR) started 8 min earlier than Will (Z-DR).
- Overall place Δ
- +4
- Actual time Δ
- +8:09
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (Spencer earlier)
- Finish clock Δ
- +0:09
- Section place Δ
- +6
Δ = Spencer − Will. Negative means Spencer is ahead/faster.
Race timeline
Computed- Spencer (Q-DR) started at 8:43 AM.
- Will (Z-DR) started at 8:51 AM, 8:00 later.
- Actual running time: Will was 8:09 faster on foot than Spencer.
- Finish clock: Will crossed the line 0:09 ahead of Spencer — Will wins this head-to-head.
Δ (A − B): actual +8:09 · finish clock +0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Spencer | Will | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:06 | 10:03 | +0:03 |
| Stairs to Windy Gap | 7:23 | 6:48 | +0:35 |
| Windy Gap to Muir Woods | 9:11 | 6:39 | +2:32 |
| Muir Woods to Cardiac | 30:36 | 31:50 | -1:14 |
| Cardiac to White Gate | 19:20 | 14:51 | +4:29 |
| White Gate to The Stile | 8:55 | 7:41 | +1:14 |
| The Stile to Finish | 2:22 | 1:52 | +0:30 |
Δ negative = Spencer ran the segment faster.