Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialSonia Collins
#1251 · 1:53:21 · F45 · Group M · DR
Wave start 8:40 AM (M-DR)
Athlete B
OfficialSiera Talbott
#1253 · 1:54:27 · F50 · Group L · DR
Wave start 8:39 AM (L-DR)
Interpretation
Sonia (M-DR) started at 8:40 AM; Siera (L-DR) started at 8:39 AM. That gave Siera a 1 minute head start on Sonia. On foot, Sonia ran 1:53:21 and Siera ran 1:54:27 — Sonia was 1:06 faster than Siera. Sonia took official place 1251st (time-based 1251st) and Siera took official place 1253rd (time-based 1257th). Sonia was faster on foot and finished ahead on the official clock too. Biggest swing: Sonia gained 1:05 from Cardiac to White Gate.
Deltas
ComputedWave start
Siera Talbott (L-DR) started 1 min earlier than Sonia (M-DR).
- Overall place Δ
- -2
- Actual time Δ
- -1:06
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Siera earlier)
- Finish clock Δ
- -0:06
- Section place Δ
- +10
Δ = Sonia − Siera. Negative means Sonia is ahead/faster.
Race timeline
Computed- Siera (L-DR) started at 8:39 AM.
- Sonia (M-DR) started at 8:40 AM, 1:00 later.
- Actual running time: Sonia was 1:06 faster on foot than Siera.
- Finish clock: Sonia crossed the line 0:06 ahead of Siera — Sonia wins this head-to-head.
Δ (A − B): actual -1:06 · finish clock -0:06.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Sonia | Siera | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:36 | 12:33 | -0:57 |
| Stairs to Windy Gap | 10:07 | 9:51 | +0:16 |
| Windy Gap to Muir Woods | 9:43 | 9:49 | -0:06 |
| Muir Woods to Cardiac | 41:45 | 41:33 | +0:12 |
| Cardiac to White Gate | 25:15 | 26:20 | -1:05 |
| White Gate to The Stile | 12:08 | 11:37 | +0:31 |
| The Stile to Finish | 2:47 | 2:44 | +0:03 |
Δ negative = Sonia ran the segment faster.