Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialPhelps Wood
#364 · 1:16:20 · M57 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Athlete B
OfficialNicole G Amyx
#367 · 1:16:22 · F32 · Group Q · INV
Wave start 8:16 AM (Q-INV)
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
Phelps (Q-INV) started at 8:16 AM; Nicole (Q-INV) started at 8:16 AM. Both left the line at the same moment. On foot, Phelps ran 1:16:20 and Nicole ran 1:16:22 — Phelps was 0:02 faster than Nicole. Phelps took official place 364th (time-based 531st) and Nicole took official place 367th (time-based 534th). Phelps was faster on foot and finished ahead on the official clock too. Biggest swing: Phelps gained 1:08 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Both started in the same wave.
- Overall place Δ
- -3
- Actual time Δ
- -0:02
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- ±0 min
- Finish clock Δ
- -0:02
- Section place Δ
- -1
Δ = Phelps − Nicole. Negative means Phelps is ahead/faster.
Race timeline
Computed- Phelps (Q-INV) started at 8:16 AM.
- Nicole (Q-INV) also started at 8:16 AM.
- Actual running time: Phelps was 0:02 faster on foot than Nicole.
- Finish clock: Phelps crossed the line 0:02 ahead of Nicole — Phelps wins this head-to-head.
Δ (A − B): actual -0:02 · finish clock -0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Phelps | Nicole | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:55 | 8:54 | +0:01 |
| Stairs to Windy Gap | 6:43 | 6:58 | -0:15 |
| Windy Gap to Muir Woods | 6:11 | 5:48 | +0:23 |
| Muir Woods to Cardiac | 29:31 | 30:39 | -1:08 |
| Cardiac to White Gate | 15:19 | 14:34 | +0:45 |
| White Gate to The Stile | 7:31 | 7:20 | +0:11 |
| The Stile to Finish | 2:10 | 2:09 | +0:01 |
Δ negative = Phelps ran the segment faster.