Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialElizabeth M Davis
#687 · 1:24:13 · F51 · Group L · DR
Wave start 8:39 AM (L-DR)
Athlete B
OfficialAdam G Shapiro
#689 · 1:11:20 · M25 · Group SCR · DR
Wave start 8:52 AM (SCR-DR)
Interpretation
Elizabeth (L-DR) started at 8:39 AM; Adam (SCR-DR) started at 8:52 AM. That gave Elizabeth a 13 minutes head start on Adam. On foot, Elizabeth ran 1:24:13 and Adam ran 1:11:20 — Adam was 12:53 faster than Elizabeth. Elizabeth took official place 687th (time-based 777th) and Adam took official place 689th (time-based 360th). Elizabeth's head start was enough to flip the official order even though Adam was faster on foot. Biggest swing: Adam gained 5:29 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Elizabeth M Davis (L-DR) started 13 min earlier than Adam (SCR-DR).
- Overall place Δ
- -2
- Actual time Δ
- +12:53
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 13 min (Elizabeth earlier)
- Finish clock Δ
- -0:07
- Section place Δ
- 0
Δ = Elizabeth − Adam. Negative means Elizabeth is ahead/faster.
Race timeline
Computed- Elizabeth (L-DR) started at 8:39 AM.
- Adam (SCR-DR) started at 8:52 AM, 13:00 later.
- Actual running time: Adam was 12:53 faster on foot than Elizabeth.
- Finish clock: Elizabeth crossed the line 0:07 ahead of Adam — Elizabeth wins this head-to-head.
Δ (A − B): actual +12:53 · finish clock -0:07.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Elizabeth | Adam | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:47 | 8:28 | +1:19 |
| Stairs to Windy Gap | 7:48 | 6:07 | +1:41 |
| Windy Gap to Muir Woods | 6:49 | 6:15 | +0:34 |
| Muir Woods to Cardiac | 32:33 | 27:04 | +5:29 |
| Cardiac to White Gate | 16:56 | 14:49 | +2:07 |
| White Gate to The Stile | 8:02 | 6:53 | +1:09 |
| The Stile to Finish | 2:18 | 1:44 | +0:34 |
Δ negative = Elizabeth ran the segment faster.