Preliminary results · 1,398 finishers · source dipsea.orgLoaded 16 Jun 2026 · preliminary results may change
Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialRobert O Spinosa
#721 · 1:18:56 · M13 · Group U
Athlete B
OfficialDavid Weinfeld
#716 · 1:22:46 · M59 · Group P
Interpretation
David finished 5 places ahead overall. Robert ran 3:50 faster actual time than David. David had 4 more minutes of head start than Robert. Biggest swing: Robert gained 3:25 from Muir Woods to Cardiac.
Deltas
ComputedHead start
David Weinfeld started 4 min earlier than Robert.
- Overall place Δ
- +5
- Actual time Δ
- -3:50
- Head start Δ
- 4 min (David)
- Finish clock Δ
- +0:10
- Section place Δ
- -4
Δ = Robert − David. Negative means Robert is ahead/faster.
Race timeline
ComputedRobertDavid
David · started first
Gun1:22:46
Robert · started 4:00 later
+4:001:18:56
0:001:22:56
- David started first at the gun.
- Robert started 4:00 later (lower head-start group).
- Actual running time: Robert was 3:50 faster on foot than David.
- Finish clock: David crossed the line 0:10 ahead of Robert — David wins this head-to-head.
Δ (A − B): actual -3:50 · finish clock +0:10.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Robert | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:42 | 9:11 | -0:29 |
| Stairs to Windy Gap | 6:45 | 7:19 | -0:34 |
| Windy Gap to Muir Woods | 6:44 | 6:34 | +0:10 |
| Muir Woods to Cardiac | 29:01 | 32:26 | -3:25 |
| Cardiac to White Gate | 17:02 | 16:20 | +0:42 |
| White Gate to The Stile | 8:36 | 8:19 | +0:17 |
| The Stile to Finish | 2:06 | 2:37 | -0:31 |
Δ negative = Robert ran the segment faster.