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
OfficialGretchen Andrus
#430 · 1:18:35 · F38 · 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
Alison (P-INV) started at 8:15 AM; Gretchen (Q-INV) started at 8:16 AM. That gave Alison a 1 minute head start on Gretchen. On foot, Alison ran 1:19:26 and Gretchen ran 1:18:35 — Gretchen was 0:51 faster than Alison. Alison took official place 428th (time-based 628th) and Gretchen took official place 430th (time-based 595th). Alison's head start was enough to flip the official order even though Gretchen was faster on foot. Biggest swing: Alison gained 0:52 from Cardiac to White Gate.
Deltas
ComputedWave start
Alison M Gathright (P-INV) started 1 min earlier than Gretchen (Q-INV).
- Overall place Δ
- -2
- Actual time Δ
- +0:51
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Alison earlier)
- Finish clock Δ
- -0:09
- Section place Δ
- -14
Δ = Alison − Gretchen. Negative means Alison is ahead/faster.
Race timeline
Computed- Alison (P-INV) started at 8:15 AM.
- Gretchen (Q-INV) started at 8:16 AM, 1:00 later.
- Actual running time: Gretchen was 0:51 faster on foot than Alison.
- Finish clock: Alison crossed the line 0:09 ahead of Gretchen — Alison wins this head-to-head.
Δ (A − B): actual +0:51 · finish clock -0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Alison | Gretchen | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:22 | 8:43 | +0:39 |
| Stairs to Windy Gap | 7:03 | 7:04 | -0:01 |
| Windy Gap to Muir Woods | 7:00 | 6:27 | +0:33 |
| Muir Woods to Cardiac | 30:17 | 30:03 | +0:14 |
| Cardiac to White Gate | 15:46 | 16:38 | -0:52 |
| White Gate to The Stile | 7:53 | 7:33 | +0:20 |
| The Stile to Finish | 2:05 | 2:07 | -0:02 |
Δ negative = Alison ran the segment faster.