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
OfficialFiona O Francis
#855 · 1:30:43 · F15 · Group M · DR
Wave start 8:40 AM (M-DR)
Interpretation
Spencer (Q-DR) started at 8:43 AM; Fiona (M-DR) started at 8:40 AM. That gave Fiona a 3 minutes head start on Spencer. On foot, Spencer ran 1:27:53 and Fiona ran 1:30:43 — Spencer was 2:50 faster than Fiona. Spencer took official place 860th (time-based 861st) and Fiona took official place 855th (time-based 920th). Fiona's head start was enough to flip the official order even though Spencer was faster on foot. Biggest swing: Spencer gained 4:51 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Fiona O Francis (M-DR) started 3 min earlier than Spencer (Q-DR).
- Overall place Δ
- +5
- Actual time Δ
- -2:50
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Fiona earlier)
- Finish clock Δ
- +0:10
- Section place Δ
- +26
Δ = Spencer − Fiona. Negative means Spencer is ahead/faster.
Race timeline
Computed- Fiona (M-DR) started at 8:40 AM.
- Spencer (Q-DR) started at 8:43 AM, 3:00 later.
- Actual running time: Spencer was 2:50 faster on foot than Fiona.
- Finish clock: Fiona crossed the line 0:10 ahead of Spencer — Fiona wins this head-to-head.
Δ (A − B): actual -2:50 · finish clock +0:10.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Spencer | Fiona | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:06 | 11:06 | -1:00 |
| Stairs to Windy Gap | 7:23 | 7:56 | -0:33 |
| Windy Gap to Muir Woods | 9:11 | 7:12 | +1:59 |
| Muir Woods to Cardiac | 30:36 | 35:27 | -4:51 |
| Cardiac to White Gate | 19:20 | 18:10 | +1:10 |
| White Gate to The Stile | 8:55 | 8:40 | +0:15 |
| The Stile to Finish | 2:22 | 2:12 | +0:10 |
Δ negative = Spencer ran the segment faster.