Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialClement K Choy
#1374 · 2:38:02 · M78 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
Athlete B
OfficialDavid W Erskine
#1375 · 2:38:57 · M76 · Group AAA · DR
Wave start 8:27 AM (AAA-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
Clement (AAA-DR) started at 8:27 AM; David (AAA-DR) started at 8:27 AM. Both left the line at the same moment. On foot, Clement ran 2:38:02 and David ran 2:38:57 — Clement was 0:55 faster than David. Clement took official place 1374th (time-based 1375th) and David took official place 1375th (time-based 1376th). Clement was faster on foot and finished ahead on the official clock too. Biggest swing: David gained 7:05 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Both started in the same wave.
- Overall place Δ
- -1
- Actual time Δ
- -0:55
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- ±0 min
- Finish clock Δ
- -0:55
- Section place Δ
- -1
Δ = Clement − David. Negative means Clement is ahead/faster.
Race timeline
Computed- Clement (AAA-DR) started at 8:27 AM.
- David (AAA-DR) also started at 8:27 AM.
- Actual running time: Clement was 0:55 faster on foot than David.
- Finish clock: Clement crossed the line 0:55 ahead of David — Clement wins this head-to-head.
Δ (A − B): actual -0:55 · finish clock -0:55.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Clement | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 16:05 | 16:20 | -0:15 |
| Stairs to Windy Gap | 14:06 | 12:34 | +1:32 |
| Windy Gap to Muir Woods | 14:47 | 16:01 | -1:14 |
| Muir Woods to Cardiac | 57:03 | 49:58 | +7:05 |
| Cardiac to White Gate | 37:12 | 38:03 | -0:51 |
| White Gate to The Stile | 15:10 | 20:27 | -5:17 |
| The Stile to Finish | 3:39 | 5:34 | -1:55 |
Δ negative = Clement ran the segment faster.