Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialIan Macallister
#452 · 1:15:31 · M49 · Group V · INV
Wave start 8:20 AM (V-INV)
Athlete B
OfficialDiana Gilmore
#449 · 1:19:18 · F31 · 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
Ian (V-INV) started at 8:20 AM; Diana (Q-INV) started at 8:16 AM. That gave Diana a 4 minutes head start on Ian. On foot, Ian ran 1:15:31 and Diana ran 1:19:18 — Ian was 3:47 faster than Diana. Ian took official place 452nd (time-based 502nd) and Diana took official place 449th (time-based 625th). Diana's head start was enough to flip the official order even though Ian was faster on foot. Biggest swing: Ian gained 3:59 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Diana Gilmore (Q-INV) started 4 min earlier than Ian (V-INV).
- Overall place Δ
- +3
- Actual time Δ
- -3:47
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Diana earlier)
- Finish clock Δ
- +0:13
- Section place Δ
- -20
Δ = Ian − Diana. Negative means Ian is ahead/faster.
Race timeline
Computed- Diana (Q-INV) started at 8:16 AM.
- Ian (V-INV) started at 8:20 AM, 4:00 later.
- Actual running time: Ian was 3:47 faster on foot than Diana.
- Finish clock: Diana crossed the line 0:13 ahead of Ian — Diana wins this head-to-head.
Δ (A − B): actual -3:47 · finish clock +0:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Ian | Diana | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:26 | 9:04 | -0:38 |
| Stairs to Windy Gap | 6:37 | 7:47 | -1:10 |
| Windy Gap to Muir Woods | 6:19 | 5:42 | +0:37 |
| Muir Woods to Cardiac | 28:42 | 32:41 | -3:59 |
| Cardiac to White Gate | 15:25 | 14:52 | +0:33 |
| White Gate to The Stile | 7:47 | 7:16 | +0:31 |
| The Stile to Finish | 2:15 | 1:56 | +0:19 |
Δ negative = Ian ran the segment faster.