Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialAlison M Gathright
#428 · 1:19:26 · F43 · Group P · INV
Wave start 8:15 AM (P-INV)
Athlete B
OfficialHenry C Bush
#425 · 1:16:22 · M12 · Group T · INV
Wave start 8:18 AM (T-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
Alison (P-INV) started at 8:15 AM; Henry (T-INV) started at 8:18 AM. That gave Alison a 3 minutes head start on Henry. On foot, Alison ran 1:19:26 and Henry ran 1:16:22 — Henry was 3:04 faster than Alison. Alison took official place 428th (time-based 628th) and Henry took official place 425th (time-based 535th). Henry was faster on foot and finished ahead on the official clock too. Biggest swing: Henry gained 1:01 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Alison M Gathright (P-INV) started 3 min earlier than Henry (T-INV).
- Overall place Δ
- +3
- Actual time Δ
- +3:04
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Alison earlier)
- Finish clock Δ
- +0:04
- Section place Δ
- +19
Δ = Alison − Henry. Negative means Alison is ahead/faster.
Race timeline
Computed- Alison (P-INV) started at 8:15 AM.
- Henry (T-INV) started at 8:18 AM, 3:00 later.
- Actual running time: Henry was 3:04 faster on foot than Alison.
- Finish clock: Henry crossed the line 0:04 ahead of Alison — Henry wins this head-to-head.
Δ (A − B): actual +3:04 · finish clock +0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Alison | Henry | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:22 | 8:54 | +0:28 |
| Stairs to Windy Gap | 7:03 | 6:33 | +0:30 |
| Windy Gap to Muir Woods | 7:00 | 6:07 | +0:53 |
| Muir Woods to Cardiac | 30:17 | 29:16 | +1:01 |
| Cardiac to White Gate | 15:46 | 16:01 | -0:15 |
| White Gate to The Stile | 7:53 | 7:19 | +0:34 |
| The Stile to Finish | 2:05 | 2:12 | -0:07 |
Δ negative = Alison ran the segment faster.