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
OfficialJulia R Maxwell Bailey
#3 · 57:02 · F30 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Interpretation
Yoyo (Y-DR) started at 8:50 AM; Julia (Q-INV) started at 8:16 AM. That gave Julia a 34 minutes head start on Yoyo because the Runner wave starts 27 minutes after the Invitational wave. On foot, Yoyo ran 1:11:22 and Julia ran 57:02 — Julia was 14:20 faster than Yoyo. Yoyo took official place 660th (time-based 366th) and Julia took official place 3rd (time-based 32nd). Julia was faster on foot and finished ahead on the official clock too. Biggest swing: Julia gained 6:22 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Julia R Maxwell Bailey (Q-INV) started 34 min earlier than Yoyo (Y-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +657
- Actual time Δ
- +14:20
- Section gap Δ
- 27 min (Julia earlier)
- Wave start Δ
- 34 min (Julia earlier)
- Finish clock Δ
- +48:20
- Section place Δ
- —
Δ = Yoyo − Julia. Negative means Yoyo is ahead/faster.
Race timeline
Computed- Julia (Q-INV) started at 8:16 AM.
- Yoyo (Y-DR) started at 8:50 AM, 34:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Julia was 14:20 faster on foot than Yoyo.
- Finish clock: Julia crossed the line 48:20 ahead of Yoyo — Julia wins this head-to-head.
Δ (A − B): actual +14:20 · finish clock +48:20.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Yoyo | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:53 | 6:46 | +2:07 |
| Stairs to Windy Gap | 6:08 | 5:03 | +1:05 |
| Windy Gap to Muir Woods | 5:55 | 5:20 | +0:35 |
| Muir Woods to Cardiac | 26:48 | 20:26 | +6:22 |
| Cardiac to White Gate | 13:59 | 11:52 | +2:07 |
| White Gate to The Stile | 7:17 | 5:54 | +1:23 |
| The Stile to Finish | 2:22 | 1:41 | +0:41 |
Δ negative = Yoyo ran the segment faster.