Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialStephen N Gray
#454 · 1:28:33 · M68 · Group F · INV
Wave start 8:07 AM (F-INV)
Athlete B
OfficialIan Macallister
#452 · 1:15:31 · M49 · Group V · INV
Wave start 8:20 AM (V-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
Stephen (F-INV) started at 8:07 AM; Ian (V-INV) started at 8:20 AM. That gave Stephen a 13 minutes head start on Ian. On foot, Stephen ran 1:28:33 and Ian ran 1:15:31 — Ian was 13:02 faster than Stephen. Stephen took official place 454th (time-based 872nd) and Ian took official place 452nd (time-based 502nd). Ian was faster on foot and finished ahead on the official clock too. Biggest swing: Ian gained 6:19 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Stephen N Gray (F-INV) started 13 min earlier than Ian (V-INV).
- Overall place Δ
- +2
- Actual time Δ
- +13:02
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 13 min (Stephen earlier)
- Finish clock Δ
- +0:02
- Section place Δ
- -23
Δ = Stephen − Ian. Negative means Stephen is ahead/faster.
Race timeline
Computed- Stephen (F-INV) started at 8:07 AM.
- Ian (V-INV) started at 8:20 AM, 13:00 later.
- Actual running time: Ian was 13:02 faster on foot than Stephen.
- Finish clock: Ian crossed the line 0:02 ahead of Stephen — Ian wins this head-to-head.
Δ (A − B): actual +13:02 · finish clock +0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Stephen | Ian | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:20 | 8:26 | +1:54 |
| Stairs to Windy Gap | 7:25 | 6:37 | +0:48 |
| Windy Gap to Muir Woods | 7:02 | 6:19 | +0:43 |
| Muir Woods to Cardiac | 35:01 | 28:42 | +6:19 |
| Cardiac to White Gate | 17:43 | 15:25 | +2:18 |
| White Gate to The Stile | 8:29 | 7:47 | +0:42 |
| The Stile to Finish | 2:33 | 2:15 | +0:18 |
Δ negative = Stephen ran the segment faster.