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
OfficialEdward R Owens
#2 · 48:29 · M32 · Group Z · INV
Wave start 8:24 AM (Z-INV)
Interpretation
Marshall (W-DR) started at 8:48 AM; Edward (Z-INV) started at 8:24 AM. That gave Edward a 24 minutes head start on Marshall because the Runner wave starts 27 minutes after the Invitational wave. On foot, Marshall ran 1:21:58 and Edward ran 48:29 — Edward was 33:29 faster than Marshall. Marshall took official place 832nd (time-based 706th) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 14:41 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Edward R Owens (Z-INV) started 24 min earlier than Marshall (W-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +830
- Actual time Δ
- +33:29
- Section gap Δ
- 27 min (Edward earlier)
- Wave start Δ
- 24 min (Edward earlier)
- Finish clock Δ
- +57:29
- Section place Δ
- —
Δ = Marshall − Edward. Negative means Marshall is ahead/faster.
Race timeline
Computed- Edward (Z-INV) started at 8:24 AM.
- Marshall (W-DR) started at 8:48 AM, 24:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Edward was 33:29 faster on foot than Marshall.
- Finish clock: Edward crossed the line 57:29 ahead of Marshall — Edward wins this head-to-head.
Δ (A − B): actual +33:29 · finish clock +57:29.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Marshall | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:52 | 5:48 | +3:04 |
| Stairs to Windy Gap | 7:23 | 4:17 | +3:06 |
| Windy Gap to Muir Woods | 6:56 | 4:16 | +2:40 |
| Muir Woods to Cardiac | 32:33 | 17:52 | +14:41 |
| Cardiac to White Gate | 16:27 | 9:40 | +6:47 |
| White Gate to The Stile | 7:40 | 5:03 | +2:37 |
| The Stile to Finish | 2:07 | 1:33 | +0:34 |
Δ negative = Marshall ran the segment faster.