Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialKaren G Poppy
#1255 · 1:54:49 · F50 · Group L · DR
Wave start 8:39 AM (L-DR)
Athlete B
OfficialSonia Collins
#1251 · 1:53:21 · F45 · Group M · DR
Wave start 8:40 AM (M-DR)
Interpretation
Karen (L-DR) started at 8:39 AM; Sonia (M-DR) started at 8:40 AM. That gave Karen a 1 minute head start on Sonia. On foot, Karen ran 1:54:49 and Sonia ran 1:53:21 — Sonia was 1:28 faster than Karen. Karen took official place 1255th (time-based 1258th) and Sonia took official place 1251st (time-based 1251st). Sonia was faster on foot and finished ahead on the official clock too. Biggest swing: Sonia gained 2:49 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Karen G Poppy (L-DR) started 1 min earlier than Sonia (M-DR).
- Overall place Δ
- +4
- Actual time Δ
- +1:28
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Karen earlier)
- Finish clock Δ
- +0:28
- Section place Δ
- -9
Δ = Karen − Sonia. Negative means Karen is ahead/faster.
Race timeline
Computed- Karen (L-DR) started at 8:39 AM.
- Sonia (M-DR) started at 8:40 AM, 1:00 later.
- Actual running time: Sonia was 1:28 faster on foot than Karen.
- Finish clock: Sonia crossed the line 0:28 ahead of Karen — Sonia wins this head-to-head.
Δ (A − B): actual +1:28 · finish clock +0:28.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Karen | Sonia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:47 | 11:36 | +1:11 |
| Stairs to Windy Gap | 9:43 | 10:07 | -0:24 |
| Windy Gap to Muir Woods | 8:56 | 9:43 | -0:47 |
| Muir Woods to Cardiac | 44:34 | 41:45 | +2:49 |
| Cardiac to White Gate | 24:08 | 25:15 | -1:07 |
| White Gate to The Stile | 11:54 | 12:08 | -0:14 |
| The Stile to Finish | 2:47 | 2:47 | ±0:00 |
Δ negative = Karen ran the segment faster.