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
OfficialMatthew Dixon
#578 · 1:08:53 · M52 · Group U · DR
Wave start 8:46 AM (U-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; Matthew (U-DR) started at 8:46 AM. That gave Claire a 4 minutes head start on Matthew. On foot, Claire ran 1:13:20 and Matthew ran 1:08:53 — Matthew was 4:27 faster than Claire. Claire took official place 581st (time-based 432nd) and Matthew took official place 578th (time-based 286th). Matthew was faster on foot and finished ahead on the official clock too. Biggest swing: Matthew gained 2:20 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Claire J Brockman (P-DR) started 4 min earlier than Matthew (U-DR).
- Overall place Δ
- +3
- Actual time Δ
- +4:27
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Claire earlier)
- Finish clock Δ
- +0:27
- Section place Δ
- +5
Δ = Claire − Matthew. Negative means Claire is ahead/faster.
Race timeline
Computed- Claire (P-DR) started at 8:42 AM.
- Matthew (U-DR) started at 8:46 AM, 4:00 later.
- Actual running time: Matthew was 4:27 faster on foot than Claire.
- Finish clock: Matthew crossed the line 0:27 ahead of Claire — Matthew wins this head-to-head.
Δ (A − B): actual +4:27 · finish clock +0:27.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Claire | Matthew | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:41 | 7:56 | +0:45 |
| Stairs to Windy Gap | 6:11 | 5:58 | +0:13 |
| Windy Gap to Muir Woods | 6:44 | 6:01 | +0:43 |
| Muir Woods to Cardiac | 28:08 | 25:48 | +2:20 |
| Cardiac to White Gate | 13:55 | 14:04 | -0:09 |
| White Gate to The Stile | 7:40 | 7:07 | +0:33 |
| The Stile to Finish | 2:01 | 1:59 | +0:02 |
Δ negative = Claire ran the segment faster.