Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialSierra Peterson
#1206 · 1:48:43 · F45 · Group M · DR
Wave start 8:40 AM (M-DR)
Athlete B
OfficialEdward R Owens
#2 · 48:29 · M32 · Group Z · INV
Wave start 8:24 AM (Z-INV)
Interpretation
Sierra (M-DR) started at 8:40 AM; Edward (Z-INV) started at 8:24 AM. That gave Edward a 16 minutes head start on Sierra because the Runner wave starts 27 minutes after the Invitational wave. On foot, Sierra ran 1:48:43 and Edward ran 48:29 — Edward was 1:00:14 faster than Sierra. Sierra took official place 1206th (time-based 1220th) 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 19:14 from Cardiac to White Gate.
Deltas
ComputedWave start
Edward R Owens (Z-INV) started 16 min earlier than Sierra (M-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +1204
- Actual time Δ
- +1:00:14
- Section gap Δ
- 27 min (Edward earlier)
- Wave start Δ
- 16 min (Edward earlier)
- Finish clock Δ
- +1:16:14
- Section place Δ
- —
Δ = Sierra − Edward. Negative means Sierra is ahead/faster.
Race timeline
Computed- Edward (Z-INV) started at 8:24 AM.
- Sierra (M-DR) started at 8:40 AM, 16:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Edward was 1:00:14 faster on foot than Sierra.
- Finish clock: Edward crossed the line 1:16:14 ahead of Sierra — Edward wins this head-to-head.
Δ (A − B): actual +1:00:14 · finish clock +1:16:14.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Sierra | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:46 | 5:48 | +4:58 |
| Stairs to Windy Gap | 7:28 | 4:17 | +3:11 |
| Windy Gap to Muir Woods | 10:36 | 4:16 | +6:20 |
| Muir Woods to Cardiac | 35:24 | 17:52 | +17:32 |
| Cardiac to White Gate | 28:54 | 9:40 | +19:14 |
| White Gate to The Stile | 12:41 | 5:03 | +7:38 |
| The Stile to Finish | 2:54 | 1:33 | +1:21 |
Δ negative = Sierra ran the segment faster.