Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialAlec C Hugo
#1297 · 1:51:06 · M35 · Group Y · DR
Wave start 8:50 AM (Y-DR)
Athlete B
OfficialDavid Rosenfeld
#1293 · 2:13:32 · M74 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
Interpretation
Alec (Y-DR) started at 8:50 AM; David (AAA-DR) started at 8:27 AM. That gave David a 23 minutes head start on Alec. On foot, Alec ran 1:51:06 and David ran 2:13:32 — Alec was 22:26 faster than David. Alec took official place 1297th (time-based 1235th) and David took official place 1293rd (time-based 1340th). David's head start was enough to flip the official order even though Alec was faster on foot. Biggest swing: Alec gained 13:26 from Muir Woods to Cardiac.
Deltas
ComputedWave start
David Rosenfeld (AAA-DR) started 23 min earlier than Alec (Y-DR).
- Overall place Δ
- +4
- Actual time Δ
- -22:26
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 23 min (David earlier)
- Finish clock Δ
- +0:34
- Section place Δ
- +87
Δ = Alec − David. Negative means Alec is ahead/faster.
Race timeline
Computed- David (AAA-DR) started at 8:27 AM.
- Alec (Y-DR) started at 8:50 AM, 23:00 later.
- Actual running time: Alec was 22:26 faster on foot than David.
- Finish clock: David crossed the line 0:34 ahead of Alec — David wins this head-to-head.
Δ (A − B): actual -22:26 · finish clock +0:34.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Alec | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:03 | 14:31 | -2:28 |
| Stairs to Windy Gap | 9:35 | 12:24 | -2:49 |
| Windy Gap to Muir Woods | 10:59 | 9:11 | +1:48 |
| Muir Woods to Cardiac | 40:18 | 53:44 | -13:26 |
| Cardiac to White Gate | 22:17 | 26:02 | -3:45 |
| White Gate to The Stile | 13:02 | 14:07 | -1:05 |
| The Stile to Finish | 2:52 | 3:33 | -0:41 |
Δ negative = Alec ran the segment faster.