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
OfficialJames L Shirley
#432 · 1:11:41 · M35 · Group Y · INV
Wave start 8:23 AM (Y-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; James (Y-INV) started at 8:23 AM. That gave Alison a 8 minutes head start on James. On foot, Alison ran 1:19:26 and James ran 1:11:41 — James was 7:45 faster than Alison. Alison took official place 428th (time-based 628th) and James took official place 432nd (time-based 379th). Alison's head start was enough to flip the official order even though James was faster on foot. Biggest swing: James gained 1:39 from Cardiac to White Gate.
Deltas
ComputedWave start
Alison M Gathright (P-INV) started 8 min earlier than James (Y-INV).
- Overall place Δ
- -4
- Actual time Δ
- +7:45
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (Alison earlier)
- Finish clock Δ
- -0:15
- Section place Δ
- -45
Δ = Alison − James. Negative means Alison is ahead/faster.
Race timeline
Computed- Alison (P-INV) started at 8:15 AM.
- James (Y-INV) started at 8:23 AM, 8:00 later.
- Actual running time: James was 7:45 faster on foot than Alison.
- Finish clock: Alison crossed the line 0:15 ahead of James — Alison wins this head-to-head.
Δ (A − B): actual +7:45 · finish clock -0:15.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Alison | James | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:22 | 8:06 | +1:16 |
| Stairs to Windy Gap | 7:03 | 6:04 | +0:59 |
| Windy Gap to Muir Woods | 7:00 | 5:36 | +1:24 |
| Muir Woods to Cardiac | 30:17 | 28:43 | +1:34 |
| Cardiac to White Gate | 15:46 | 14:07 | +1:39 |
| White Gate to The Stile | 7:53 | 7:12 | +0:41 |
| The Stile to Finish | 2:05 | 1:53 | +0:12 |
Δ negative = Alison ran the segment faster.