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 L Swenson
#879 · 1:27:43 · M56 · Group R · DR
Wave start 8:44 AM (R-DR)
Athlete B
OfficialZach Edwards
#874 · 1:20:32 · M30 · Group Z · DR
Wave start 8:51 AM (Z-DR)
Interpretation
Robert (R-DR) started at 8:44 AM; Zach (Z-DR) started at 8:51 AM. That gave Robert a 7 minutes head start on Zach. On foot, Robert ran 1:27:43 and Zach ran 1:20:32 — Zach was 7:11 faster than Robert. Robert took official place 879th (time-based 857th) and Zach took official place 874th (time-based 663rd). Zach was faster on foot and finished ahead on the official clock too. Biggest swing: Zach gained 3:43 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Robert L Swenson (R-DR) started 7 min earlier than Zach (Z-DR).
- Overall place Δ
- +5
- Actual time Δ
- +7:11
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Robert earlier)
- Finish clock Δ
- +0:11
- Section place Δ
- -32
Δ = Robert − Zach. Negative means Robert is ahead/faster.
Race timeline
Computed- Robert (R-DR) started at 8:44 AM.
- Zach (Z-DR) started at 8:51 AM, 7:00 later.
- Actual running time: Zach was 7:11 faster on foot than Robert.
- Finish clock: Zach crossed the line 0:11 ahead of Robert — Zach wins this head-to-head.
Δ (A − B): actual +7:11 · finish clock +0:11.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Robert | Zach | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:32 | 8:25 | +2:07 |
| Stairs to Windy Gap | 7:41 | 7:00 | +0:41 |
| Windy Gap to Muir Woods | 7:12 | 6:20 | +0:52 |
| Muir Woods to Cardiac | 34:11 | 30:28 | +3:43 |
| Cardiac to White Gate | 17:06 | 16:53 | +0:13 |
| White Gate to The Stile | 8:40 | 8:43 | -0:03 |
| The Stile to Finish | 2:21 | 2:43 | -0:22 |
Δ negative = Robert ran the segment faster.