Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialStephen M O'Mara
#117 · 1:01:36 · M43 · Group X · INV
Wave start 8:22 AM (X-INV)
Athlete B
OfficialIsabella G Amyx
#115 · 1:07:33 · F28 · 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
Stephen (X-INV) started at 8:22 AM; Isabella (Q-INV) started at 8:16 AM. That gave Isabella a 6 minutes head start on Stephen. On foot, Stephen ran 1:01:36 and Isabella ran 1:07:33 — Stephen was 5:57 faster than Isabella. Stephen took official place 117th (time-based 97th) and Isabella took official place 115th (time-based 249th). Isabella's head start was enough to flip the official order even though Stephen was faster on foot. Biggest swing: Stephen gained 4:04 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Isabella G Amyx (Q-INV) started 6 min earlier than Stephen (X-INV).
- Overall place Δ
- +2
- Actual time Δ
- -5:57
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (Isabella earlier)
- Finish clock Δ
- +0:03
- Section place Δ
- -14
Δ = Stephen − Isabella. Negative means Stephen is ahead/faster.
Race timeline
Computed- Isabella (Q-INV) started at 8:16 AM.
- Stephen (X-INV) started at 8:22 AM, 6:00 later.
- Actual running time: Stephen was 5:57 faster on foot than Isabella.
- Finish clock: Isabella crossed the line 0:03 ahead of Stephen — Isabella wins this head-to-head.
Δ (A − B): actual -5:57 · finish clock +0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Stephen | Isabella | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:27 | 8:20 | -0:53 |
| Stairs to Windy Gap | 5:11 | 6:19 | -1:08 |
| Windy Gap to Muir Woods | 5:07 | 5:24 | -0:17 |
| Muir Woods to Cardiac | 22:28 | 26:32 | -4:04 |
| Cardiac to White Gate | 13:00 | 12:38 | +0:22 |
| White Gate to The Stile | 6:27 | 6:39 | -0:12 |
| The Stile to Finish | 1:56 | 1:41 | +0:15 |
Δ negative = Stephen ran the segment faster.