Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialGidon T Singer
#456 · 1:22:37 · M61 · Group M · INV
Wave start 8:13 AM (M-INV)
Athlete B
OfficialStephen N Gray
#454 · 1:28:33 · M68 · Group F · INV
Wave start 8:07 AM (F-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
Gidon (M-INV) started at 8:13 AM; Stephen (F-INV) started at 8:07 AM. That gave Stephen a 6 minutes head start on Gidon. On foot, Gidon ran 1:22:37 and Stephen ran 1:28:33 — Gidon was 5:56 faster than Stephen. Gidon took official place 456th (time-based 724th) and Stephen took official place 454th (time-based 872nd). Stephen's head start was enough to flip the official order even though Gidon was faster on foot. Biggest swing: Gidon gained 2:31 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Stephen N Gray (F-INV) started 6 min earlier than Gidon (M-INV).
- Overall place Δ
- +2
- Actual time Δ
- -5:56
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (Stephen earlier)
- Finish clock Δ
- +0:04
- Section place Δ
- +18
Δ = Gidon − Stephen. Negative means Gidon is ahead/faster.
Race timeline
Computed- Stephen (F-INV) started at 8:07 AM.
- Gidon (M-INV) started at 8:13 AM, 6:00 later.
- Actual running time: Gidon was 5:56 faster on foot than Stephen.
- Finish clock: Stephen crossed the line 0:04 ahead of Gidon — Stephen wins this head-to-head.
Δ (A − B): actual -5:56 · finish clock +0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Gidon | Stephen | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:14 | 10:20 | -0:06 |
| Stairs to Windy Gap | 7:31 | 7:25 | +0:06 |
| Windy Gap to Muir Woods | 6:13 | 7:02 | -0:49 |
| Muir Woods to Cardiac | 32:30 | 35:01 | -2:31 |
| Cardiac to White Gate | 16:02 | 17:43 | -1:41 |
| White Gate to The Stile | 7:47 | 8:29 | -0:42 |
| The Stile to Finish | 2:20 | 2:33 | -0:13 |
Δ negative = Gidon ran the segment faster.