Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMarshall Roslyn
#832 · 1:21:58 · M46 · Group W · DR
Wave start 8:48 AM (W-DR)
Athlete B
OfficialDarin S Sadow
#836 · 1:24:03 · M51 · Group U · DR
Wave start 8:46 AM (U-DR)
Interpretation
Marshall (W-DR) started at 8:48 AM; Darin (U-DR) started at 8:46 AM. That gave Darin a 2 minutes head start on Marshall. On foot, Marshall ran 1:21:58 and Darin ran 1:24:03 — Marshall was 2:05 faster than Darin. Marshall took official place 832nd (time-based 706th) and Darin took official place 836th (time-based 772nd). Marshall was faster on foot and finished ahead on the official clock too. Biggest swing: Marshall gained 0:46 from White Gate to The Stile.
Deltas
ComputedWave start
Darin S Sadow (U-DR) started 2 min earlier than Marshall (W-DR).
- Overall place Δ
- -4
- Actual time Δ
- -2:05
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 2 min (Darin earlier)
- Finish clock Δ
- -0:05
- Section place Δ
- -8
Δ = Marshall − Darin. Negative means Marshall is ahead/faster.
Race timeline
Computed- Darin (U-DR) started at 8:46 AM.
- Marshall (W-DR) started at 8:48 AM, 2:00 later.
- Actual running time: Marshall was 2:05 faster on foot than Darin.
- Finish clock: Marshall crossed the line 0:05 ahead of Darin — Marshall wins this head-to-head.
Δ (A − B): actual -2:05 · finish clock -0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Marshall | Darin | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:52 | 10:18 | -1:26 |
| Stairs to Windy Gap | 7:23 | 7:31 | -0:08 |
| Windy Gap to Muir Woods | 6:56 | 6:48 | +0:08 |
| Muir Woods to Cardiac | 32:33 | 32:12 | +0:21 |
| Cardiac to White Gate | 16:27 | 16:17 | +0:10 |
| White Gate to The Stile | 7:40 | 8:26 | -0:46 |
| The Stile to Finish | 2:07 | 2:31 | -0:24 |
Δ negative = Marshall ran the segment faster.