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 Rosenfeld
#1293 · 2:13:32 · M74 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
Athlete B
OfficialRobert C Hauke
#1294 · 1:51:34 · M43 · Group X · DR
Wave start 8:49 AM (X-DR)
Interpretation
David (AAA-DR) started at 8:27 AM; Robert (X-DR) started at 8:49 AM. That gave David a 22 minutes head start on Robert. On foot, David ran 2:13:32 and Robert ran 1:51:34 — Robert was 21:58 faster than David. David took official place 1293rd (time-based 1340th) and Robert took official place 1294th (time-based 1238th). David's head start was enough to flip the official order even though Robert was faster on foot. Biggest swing: Robert gained 14:10 from Muir Woods to Cardiac.
Deltas
ComputedWave start
David Rosenfeld (AAA-DR) started 22 min earlier than Robert (X-DR).
- Overall place Δ
- -1
- Actual time Δ
- +21:58
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 22 min (David earlier)
- Finish clock Δ
- -0:02
- Section place Δ
- -19
Δ = David − Robert. Negative means David is ahead/faster.
Race timeline
Computed- David (AAA-DR) started at 8:27 AM.
- Robert (X-DR) started at 8:49 AM, 22:00 later.
- Actual running time: Robert was 21:58 faster on foot than David.
- Finish clock: David crossed the line 0:02 ahead of Robert — David wins this head-to-head.
Δ (A − B): actual +21:58 · finish clock -0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | David | Robert | Δ |
|---|---|---|---|
| Start to Top of Stairs | 14:31 | 11:00 | +3:31 |
| Stairs to Windy Gap | 12:24 | 9:21 | +3:03 |
| Windy Gap to Muir Woods | 9:11 | 9:38 | -0:27 |
| Muir Woods to Cardiac | 53:44 | 39:34 | +14:10 |
| Cardiac to White Gate | 26:02 | 23:41 | +2:21 |
| White Gate to The Stile | 14:07 | 14:36 | -0:29 |
| The Stile to Finish | 3:33 | 3:44 | -0:11 |
Δ negative = David ran the segment faster.