Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMelissa C Wahlstrom
#482 · 1:27:57 · F53 · Group J · INV
Wave start 8:10 AM (J-INV)
Athlete B
OfficialStephen B Tracy
#485 · 1:27:09 · M63 · Group K · INV
Wave start 8:11 AM (K-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
Melissa (J-INV) started at 8:10 AM; Stephen (K-INV) started at 8:11 AM. That gave Melissa a 1 minute head start on Stephen. On foot, Melissa ran 1:27:57 and Stephen ran 1:27:09 — Stephen was 0:48 faster than Melissa. Melissa took official place 482nd (time-based 862nd) and Stephen took official place 485th (time-based 833rd). Melissa's head start was enough to flip the official order even though Stephen was faster on foot. Biggest swing: Melissa gained 1:57 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Melissa C Wahlstrom (J-INV) started 1 min earlier than Stephen (K-INV).
- Overall place Δ
- -3
- Actual time Δ
- +0:48
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Melissa earlier)
- Finish clock Δ
- -0:12
- Section place Δ
- -6
Δ = Melissa − Stephen. Negative means Melissa is ahead/faster.
Race timeline
Computed- Melissa (J-INV) started at 8:10 AM.
- Stephen (K-INV) started at 8:11 AM, 1:00 later.
- Actual running time: Stephen was 0:48 faster on foot than Melissa.
- Finish clock: Melissa crossed the line 0:12 ahead of Stephen — Melissa wins this head-to-head.
Δ (A − B): actual +0:48 · finish clock -0:12.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Melissa | Stephen | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:42 | 10:15 | +0:27 |
| Stairs to Windy Gap | 7:27 | 7:24 | +0:03 |
| Windy Gap to Muir Woods | 7:35 | 6:50 | +0:45 |
| Muir Woods to Cardiac | 32:40 | 34:37 | -1:57 |
| Cardiac to White Gate | 18:30 | 16:42 | +1:48 |
| White Gate to The Stile | 8:40 | 8:36 | +0:04 |
| The Stile to Finish | 2:23 | 2:45 | -0:22 |
Δ negative = Melissa ran the segment faster.