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
OfficialPeggy A Sousa
#1246 · 2:06:02 · F68 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
Interpretation
Sonia (M-DR) started at 8:40 AM; Peggy (AAA-DR) started at 8:27 AM. That gave Peggy a 13 minutes head start on Sonia. On foot, Sonia ran 1:53:21 and Peggy ran 2:06:02 — Sonia was 12:41 faster than Peggy. Sonia took official place 1251st (time-based 1251st) and Peggy took official place 1246th (time-based 1313th). Peggy's head start was enough to flip the official order even though Sonia was faster on foot. Biggest swing: Sonia gained 5:02 from Cardiac to White Gate.
Deltas
ComputedWave start
Peggy A Sousa (AAA-DR) started 13 min earlier than Sonia (M-DR).
- Overall place Δ
- +5
- Actual time Δ
- -12:41
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 13 min (Peggy earlier)
- Finish clock Δ
- +0:19
- Section place Δ
- +28
Δ = Sonia − Peggy. Negative means Sonia is ahead/faster.
Race timeline
Computed- Peggy (AAA-DR) started at 8:27 AM.
- Sonia (M-DR) started at 8:40 AM, 13:00 later.
- Actual running time: Sonia was 12:41 faster on foot than Peggy.
- Finish clock: Peggy crossed the line 0:19 ahead of Sonia — Peggy wins this head-to-head.
Δ (A − B): actual -12:41 · finish clock +0:19.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Sonia | Peggy | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:36 | 13:19 | -1:43 |
| Stairs to Windy Gap | 10:07 | 10:28 | -0:21 |
| Windy Gap to Muir Woods | 9:43 | 12:06 | -2:23 |
| Muir Woods to Cardiac | 41:45 | 43:04 | -1:19 |
| Cardiac to White Gate | 25:15 | 30:17 | -5:02 |
| White Gate to The Stile | 12:08 | 13:27 | -1:19 |
| The Stile to Finish | 2:47 | 3:21 | -0:34 |
Δ negative = Sonia ran the segment faster.