Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDavid Weinfeld
#716 · 1:22:46 · M59 · Group P · DR
Wave start 8:42 AM (P-DR)
Athlete B
OfficialZachary Weinfeld
#714 · 1:12:32 · M23 · Group SCR · DR
Wave start 8:52 AM (SCR-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
David (P-DR) started at 8:42 AM; Zachary (SCR-DR) started at 8:52 AM. That gave David a 10 minutes head start on Zachary. On foot, David ran 1:22:46 and Zachary ran 1:12:32 — Zachary was 10:14 faster than David. David took official place 716th (time-based 733rd) and Zachary took official place 714th (time-based 408th). 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 = David − Zachary. Negative means David 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 | David | Zachary | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:11 | 8:58 | +0:13 |
| Stairs to Windy Gap | 7:19 | 6:35 | +0:44 |
| Windy Gap to Muir Woods | 6:34 | 5:30 | +1:04 |
| Muir Woods to Cardiac | 32:26 | 28:45 | +3:41 |
| Cardiac to White Gate | 16:20 | 13:57 | +2:23 |
| White Gate to The Stile | 8:19 | 6:57 | +1:22 |
| The Stile to Finish | 2:37 | 1:50 | +0:47 |
Δ negative = David ran the segment faster.