Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMadeleine O'Hara
#773 · 1:24:06 · F27 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Athlete B
OfficialEd Swanson
#774 · 1:28:08 · M62 · Group L · DR
Wave start 8:39 AM (L-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
Madeleine (Q-DR) started at 8:43 AM; Ed (L-DR) started at 8:39 AM. That gave Ed a 4 minutes head start on Madeleine. On foot, Madeleine ran 1:24:06 and Ed ran 1:28:08 — Madeleine was 4:02 faster than Ed. Madeleine took official place 773rd (time-based 773rd) and Ed took official place 774th (time-based 869th). Madeleine was faster on foot and finished ahead on the official clock too. Biggest swing: Madeleine gained 1:19 from Cardiac to White Gate.
Deltas
ComputedWave start
Ed Swanson (L-DR) started 4 min earlier than Madeleine (Q-DR).
- Overall place Δ
- -1
- Actual time Δ
- -4:02
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Ed earlier)
- Finish clock Δ
- -0:02
- Section place Δ
- +20
Δ = Madeleine − Ed. Negative means Madeleine is ahead/faster.
Race timeline
Computed- Ed (L-DR) started at 8:39 AM.
- Madeleine (Q-DR) started at 8:43 AM, 4:00 later.
- Actual running time: Madeleine was 4:02 faster on foot than Ed.
- Finish clock: Madeleine crossed the line 0:02 ahead of Ed — Madeleine wins this head-to-head.
Δ (A − B): actual -4:02 · finish clock -0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Madeleine | Ed | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:57 | 9:31 | +0:26 |
| Stairs to Windy Gap | 7:03 | 7:48 | -0:45 |
| Windy Gap to Muir Woods | 7:08 | 7:17 | -0:09 |
| Muir Woods to Cardiac | 32:31 | 33:33 | -1:02 |
| Cardiac to White Gate | 16:49 | 18:08 | -1:19 |
| White Gate to The Stile | 8:18 | 9:11 | -0:53 |
| The Stile to Finish | 2:20 | 2:40 | -0:20 |
Δ negative = Madeleine ran the segment faster.