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
OfficialBrent J Goldman
#835 · 1:24:02 · M50 · Group U · DR
Wave start 8:46 AM (U-DR)
Interpretation
Marshall (W-DR) started at 8:48 AM; Brent (U-DR) started at 8:46 AM. That gave Brent a 2 minutes head start on Marshall. On foot, Marshall ran 1:21:58 and Brent ran 1:24:02 — Marshall was 2:04 faster than Brent. Marshall took official place 832nd (time-based 706th) and Brent took official place 835th (time-based 771st). Marshall was faster on foot and finished ahead on the official clock too. Biggest swing: Marshall gained 0:50 from Cardiac to White Gate.
Deltas
ComputedWave start
Brent J Goldman (U-DR) started 2 min earlier than Marshall (W-DR).
- Overall place Δ
- -3
- Actual time Δ
- -2:04
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 2 min (Brent earlier)
- Finish clock Δ
- -0:04
- Section place Δ
- -7
Δ = Marshall − Brent. Negative means Marshall is ahead/faster.
Race timeline
Computed- Brent (U-DR) started at 8:46 AM.
- Marshall (W-DR) started at 8:48 AM, 2:00 later.
- Actual running time: Marshall was 2:04 faster on foot than Brent.
- Finish clock: Marshall crossed the line 0:04 ahead of Brent — Marshall wins this head-to-head.
Δ (A − B): actual -2:04 · finish clock -0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Marshall | Brent | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:52 | 9:48 | -0:56 |
| Stairs to Windy Gap | 7:23 | 7:25 | -0:02 |
| Windy Gap to Muir Woods | 6:56 | 6:36 | +0:20 |
| Muir Woods to Cardiac | 32:33 | 32:22 | +0:11 |
| Cardiac to White Gate | 16:27 | 17:17 | -0:50 |
| White Gate to The Stile | 7:40 | 8:14 | -0:34 |
| The Stile to Finish | 2:07 | 2:20 | -0:13 |
Δ negative = Marshall ran the segment faster.