Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialClaire J Brockman
#581 · 1:13:20 · F23 · Group P · DR
Wave start 8:42 AM (P-DR)
Athlete B
OfficialDave Emmanuel
#579 · 1:16:57 · M63 · Group K · DR
Wave start 8:38 AM (K-DR)
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
Claire (P-DR) started at 8:42 AM; Dave (K-DR) started at 8:38 AM. That gave Dave a 4 minutes head start on Claire. On foot, Claire ran 1:13:20 and Dave ran 1:16:57 — Claire was 3:37 faster than Dave. Claire took official place 581st (time-based 432nd) and Dave took official place 579th (time-based 551st). Dave's head start was enough to flip the official order even though Claire was faster on foot. Biggest swing: Claire gained 1:30 from Cardiac to White Gate.
Deltas
ComputedWave start
Dave Emmanuel (K-DR) started 4 min earlier than Claire (P-DR).
- Overall place Δ
- +2
- Actual time Δ
- -3:37
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Dave earlier)
- Finish clock Δ
- +0:23
- Section place Δ
- +6
Δ = Claire − Dave. Negative means Claire is ahead/faster.
Race timeline
Computed- Dave (K-DR) started at 8:38 AM.
- Claire (P-DR) started at 8:42 AM, 4:00 later.
- Actual running time: Claire was 3:37 faster on foot than Dave.
- Finish clock: Dave crossed the line 0:23 ahead of Claire — Dave wins this head-to-head.
Δ (A − B): actual -3:37 · finish clock +0:23.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Claire | Dave | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:41 | 9:28 | -0:47 |
| Stairs to Windy Gap | 6:11 | 6:39 | -0:28 |
| Windy Gap to Muir Woods | 6:44 | 6:49 | -0:05 |
| Muir Woods to Cardiac | 28:08 | 28:56 | -0:48 |
| Cardiac to White Gate | 13:55 | 15:25 | -1:30 |
| White Gate to The Stile | 7:40 | 7:36 | +0:04 |
| The Stile to Finish | 2:01 | 2:04 | -0:03 |
Δ negative = Claire ran the segment faster.