Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialIsabella G Amyx
#115 · 1:07:33 · F28 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Athlete B
OfficialDavid P Moulton
#110 · 1:08:22 · M58 · Group P · INV
Wave start 8:15 AM (P-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
Isabella (Q-INV) started at 8:16 AM; David (P-INV) started at 8:15 AM. That gave David a 1 minute head start on Isabella. On foot, Isabella ran 1:07:33 and David ran 1:08:22 — Isabella was 0:49 faster than David. Isabella took official place 115th (time-based 249th) and David took official place 110th (time-based 269th). David's head start was enough to flip the official order even though Isabella was faster on foot. Biggest swing: Isabella gained 1:46 from Cardiac to White Gate.
Deltas
ComputedWave start
David P Moulton (P-INV) started 1 min earlier than Isabella (Q-INV).
- Overall place Δ
- +5
- Actual time Δ
- -0:49
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (David earlier)
- Finish clock Δ
- +0:11
- Section place Δ
- +12
Δ = Isabella − David. Negative means Isabella is ahead/faster.
Race timeline
Computed- David (P-INV) started at 8:15 AM.
- Isabella (Q-INV) started at 8:16 AM, 1:00 later.
- Actual running time: Isabella was 0:49 faster on foot than David.
- Finish clock: David crossed the line 0:11 ahead of Isabella — David wins this head-to-head.
Δ (A − B): actual -0:49 · finish clock +0:11.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Isabella | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:20 | 8:23 | -0:03 |
| Stairs to Windy Gap | 6:19 | 5:47 | +0:32 |
| Windy Gap to Muir Woods | 5:24 | 5:40 | -0:16 |
| Muir Woods to Cardiac | 26:32 | 25:25 | +1:07 |
| Cardiac to White Gate | 12:38 | 14:24 | -1:46 |
| White Gate to The Stile | 6:39 | 6:48 | -0:09 |
| The Stile to Finish | 1:41 | 1:55 | -0:14 |
Δ negative = Isabella ran the segment faster.