Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialZachary Weinfeld
#714 · 1:12:32 · M23 · Group SCR · DR
Wave start 8:52 AM (SCR-DR)
Athlete B
OfficialDavid Weinfeld
#716 · 1:22:46 · M59 · Group P · DR
Wave start 8:42 AM (P-DR)
Interpretation
Zachary (SCR-DR) started at 8:52 AM; David (P-DR) started at 8:42 AM. That gave David a 10 minutes head start on Zachary. On foot, Zachary ran 1:12:32 and David ran 1:22:46 — Zachary was 10:14 faster than David. Zachary took official place 714th (time-based 408th) and David took official place 716th (time-based 733rd). Zachary was faster on foot and finished ahead on the official clock too. Biggest swing: Zachary gained 3:41 from Muir Woods to Cardiac.
Deltas
ComputedWave start
David Weinfeld (P-DR) started 10 min earlier than Zachary (SCR-DR).
- Overall place Δ
- -2
- Actual time Δ
- -10:14
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (David earlier)
- Finish clock Δ
- -0:14
- Section place Δ
- -11
Δ = Zachary − David. Negative means Zachary is ahead/faster.
Race timeline
Computed- David (P-DR) started at 8:42 AM.
- Zachary (SCR-DR) started at 8:52 AM, 10:00 later.
- Actual running time: Zachary was 10:14 faster on foot than David.
- Finish clock: Zachary crossed the line 0:14 ahead of David — Zachary wins this head-to-head.
Δ (A − B): actual -10:14 · finish clock -0:14.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Zachary | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:58 | 9:11 | -0:13 |
| Stairs to Windy Gap | 6:35 | 7:19 | -0:44 |
| Windy Gap to Muir Woods | 5:30 | 6:34 | -1:04 |
| Muir Woods to Cardiac | 28:45 | 32:26 | -3:41 |
| Cardiac to White Gate | 13:57 | 16:20 | -2:23 |
| White Gate to The Stile | 6:57 | 8:19 | -1:22 |
| The Stile to Finish | 1:50 | 2:37 | -0:47 |
Δ negative = Zachary ran the segment faster.