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
OfficialJack Consenstein
#583 · 1:04:30 · M27 · Group Z · DR
Wave start 8:51 AM (Z-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; Jack (Z-DR) started at 8:51 AM. That gave Claire a 9 minutes head start on Jack. On foot, Claire ran 1:13:20 and Jack ran 1:04:30 — Jack was 8:50 faster than Claire. Claire took official place 581st (time-based 432nd) and Jack took official place 583rd (time-based 167th). Claire's head start was enough to flip the official order even though Jack was faster on foot. Biggest swing: Jack gained 3:18 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Claire J Brockman (P-DR) started 9 min earlier than Jack (Z-DR).
- Overall place Δ
- -2
- Actual time Δ
- +8:50
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 9 min (Claire earlier)
- Finish clock Δ
- -0:10
- Section place Δ
- +3
Δ = Claire − Jack. Negative means Claire is ahead/faster.
Race timeline
Computed- Claire (P-DR) started at 8:42 AM.
- Jack (Z-DR) started at 8:51 AM, 9:00 later.
- Actual running time: Jack was 8:50 faster on foot than Claire.
- Finish clock: Claire crossed the line 0:10 ahead of Jack — Claire wins this head-to-head.
Δ (A − B): actual +8:50 · finish clock -0:10.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Claire | Jack | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:41 | 8:43 | -0:02 |
| Stairs to Windy Gap | 6:11 | 5:39 | +0:32 |
| Windy Gap to Muir Woods | 6:44 | 5:32 | +1:12 |
| Muir Woods to Cardiac | 28:08 | 24:50 | +3:18 |
| Cardiac to White Gate | 13:55 | 12:03 | +1:52 |
| White Gate to The Stile | 7:40 | 5:57 | +1:43 |
| The Stile to Finish | 2:01 | 1:46 | +0:15 |
Δ negative = Claire ran the segment faster.