Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialYoyo Zhou
#660 · 1:11:22 · M40 · Group Y · DR
Wave start 8:50 AM (Y-DR)
Athlete B
OfficialJames V Mauch
#659 · 1:12:14 · M44 · Group X · DR
Wave start 8:49 AM (X-DR)
Interpretation
Yoyo (Y-DR) started at 8:50 AM; James (X-DR) started at 8:49 AM. That gave James a 1 minute head start on Yoyo. On foot, Yoyo ran 1:11:22 and James ran 1:12:14 — Yoyo was 0:52 faster than James. Yoyo took official place 660th (time-based 366th) and James took official place 659th (time-based 397th). James's head start was enough to flip the official order even though Yoyo was faster on foot. Biggest swing: Yoyo gained 0:54 from Cardiac to White Gate.
Deltas
ComputedWave start
James V Mauch (X-DR) started 1 min earlier than Yoyo (Y-DR).
- Overall place Δ
- +1
- Actual time Δ
- -0:52
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (James earlier)
- Finish clock Δ
- +0:08
- Section place Δ
- +16
Δ = Yoyo − James. Negative means Yoyo is ahead/faster.
Race timeline
Computed- James (X-DR) started at 8:49 AM.
- Yoyo (Y-DR) started at 8:50 AM, 1:00 later.
- Actual running time: Yoyo was 0:52 faster on foot than James.
- Finish clock: James crossed the line 0:08 ahead of Yoyo — James wins this head-to-head.
Δ (A − B): actual -0:52 · finish clock +0:08.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Yoyo | James | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:53 | 8:31 | +0:22 |
| Stairs to Windy Gap | 6:08 | 6:23 | -0:15 |
| Windy Gap to Muir Woods | 5:55 | 6:12 | -0:17 |
| Muir Woods to Cardiac | 26:48 | 27:08 | -0:20 |
| Cardiac to White Gate | 13:59 | 14:53 | -0:54 |
| White Gate to The Stile | 7:17 | 7:02 | +0:15 |
| The Stile to Finish | 2:22 | 2:05 | +0:17 |
Δ negative = Yoyo ran the segment faster.