Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJames G Dyett
#692 · 1:14:35 · M42 · Group X · DR
Wave start 8:49 AM (X-DR)
Athlete B
OfficialGregg Walker
#693 · 1:21:39 · M58 · Group P · DR
Wave start 8:42 AM (P-DR)
Interpretation
James (X-DR) started at 8:49 AM; Gregg (P-DR) started at 8:42 AM. That gave Gregg a 7 minutes head start on James. On foot, James ran 1:14:35 and Gregg ran 1:21:39 — James was 7:04 faster than Gregg. James took official place 692nd (time-based 464th) and Gregg took official place 693rd (time-based 696th). James was faster on foot and finished ahead on the official clock too. Biggest swing: James gained 3:24 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Gregg Walker (P-DR) started 7 min earlier than James (X-DR).
- Overall place Δ
- -1
- Actual time Δ
- -7:04
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Gregg earlier)
- Finish clock Δ
- -0:04
- Section place Δ
- -6
Δ = James − Gregg. Negative means James is ahead/faster.
Race timeline
Computed- Gregg (P-DR) started at 8:42 AM.
- James (X-DR) started at 8:49 AM, 7:00 later.
- Actual running time: James was 7:04 faster on foot than Gregg.
- Finish clock: James crossed the line 0:04 ahead of Gregg — James wins this head-to-head.
Δ (A − B): actual -7:04 · finish clock -0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | James | Gregg | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:42 | 9:54 | -1:12 |
| Stairs to Windy Gap | 6:41 | 7:13 | -0:32 |
| Windy Gap to Muir Woods | 6:19 | 6:28 | -0:09 |
| Muir Woods to Cardiac | 28:23 | 31:47 | -3:24 |
| Cardiac to White Gate | 14:59 | 16:08 | -1:09 |
| White Gate to The Stile | 7:20 | 7:53 | -0:33 |
| The Stile to Finish | 2:11 | 2:16 | -0:05 |
Δ negative = James ran the segment faster.