Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialBritt Ryan
#800 · 1:31:31 · F53 · Group J · DR
Wave start 8:37 AM (J-DR)
Athlete B
OfficialRoger Booth
#798 · 1:27:24 · M60 · Group N · DR
Wave start 8:41 AM (N-DR)
Interpretation
Britt (J-DR) started at 8:37 AM; Roger (N-DR) started at 8:41 AM. That gave Britt a 4 minutes head start on Roger. On foot, Britt ran 1:31:31 and Roger ran 1:27:24 — Roger was 4:07 faster than Britt. Britt took official place 800th (time-based 936th) and Roger took official place 798th (time-based 848th). Roger was faster on foot and finished ahead on the official clock too. Biggest swing: Roger gained 5:37 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Britt Ryan (J-DR) started 4 min earlier than Roger (N-DR).
- Overall place Δ
- +2
- Actual time Δ
- +4:07
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Britt earlier)
- Finish clock Δ
- +0:07
- Section place Δ
- -12
Δ = Britt − Roger. Negative means Britt is ahead/faster.
Race timeline
Computed- Britt (J-DR) started at 8:37 AM.
- Roger (N-DR) started at 8:41 AM, 4:00 later.
- Actual running time: Roger was 4:07 faster on foot than Britt.
- Finish clock: Roger crossed the line 0:07 ahead of Britt — Roger wins this head-to-head.
Δ (A − B): actual +4:07 · finish clock +0:07.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Britt | Roger | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:36 | 9:32 | +1:04 |
| Stairs to Windy Gap | 8:11 | 7:02 | +1:09 |
| Windy Gap to Muir Woods | 7:18 | 8:39 | -1:21 |
| Muir Woods to Cardiac | 35:30 | 29:53 | +5:37 |
| Cardiac to White Gate | 18:14 | 20:44 | -2:30 |
| White Gate to The Stile | 9:07 | 9:04 | +0:03 |
| The Stile to Finish | 2:35 | 2:30 | +0:05 |
Δ negative = Britt ran the segment faster.