Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialAmanda Allen Boyd
#631 · 1:19:40 · F48 · Group M · DR
Wave start 8:40 AM (M-DR)
Athlete B
OfficialAlex King
#633 · 1:09:44 · M17 · Group Y · DR
Wave start 8:50 AM (Y-DR)
Comparison report
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The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
Amanda (M-DR) started at 8:40 AM; Alex (Y-DR) started at 8:50 AM. That gave Amanda a 10 minutes head start on Alex. On foot, Amanda ran 1:19:40 and Alex ran 1:09:44 — Alex was 9:56 faster than Amanda. Amanda took official place 631st (time-based 641st) and Alex took official place 633rd (time-based 314th). Amanda's head start was enough to flip the official order even though Alex was faster on foot. Biggest swing: Alex gained 3:05 from Cardiac to White Gate.
Deltas
ComputedWave start
Amanda Allen Boyd (M-DR) started 10 min earlier than Alex (Y-DR).
- Overall place Δ
- -2
- Actual time Δ
- +9:56
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Amanda earlier)
- Finish clock Δ
- -0:04
- Section place Δ
- -14
Δ = Amanda − Alex. Negative means Amanda is ahead/faster.
Race timeline
Computed- Amanda (M-DR) started at 8:40 AM.
- Alex (Y-DR) started at 8:50 AM, 10:00 later.
- Actual running time: Alex was 9:56 faster on foot than Amanda.
- Finish clock: Amanda crossed the line 0:04 ahead of Alex — Amanda wins this head-to-head.
Δ (A − B): actual +9:56 · finish clock -0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Amanda | Alex | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:12 | 8:14 | +0:58 |
| Stairs to Windy Gap | 6:45 | 6:12 | +0:33 |
| Windy Gap to Muir Woods | 7:40 | 6:20 | +1:20 |
| Muir Woods to Cardiac | 28:06 | 25:59 | +2:07 |
| Cardiac to White Gate | 17:22 | 14:17 | +3:05 |
| White Gate to The Stile | 8:22 | 6:56 | +1:26 |
| The Stile to Finish | 2:13 | 1:46 | +0:27 |
Δ negative = Amanda ran the segment faster.