Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialGregg Walker
#693 · 1:21:39 · M58 · Group P · DR
Wave start 8:42 AM (P-DR)
Athlete B
OfficialBrian McClenaghan
#697 · 1:14:45 · M44 · Group X · DR
Wave start 8:49 AM (X-DR)
Interpretation
Gregg (P-DR) started at 8:42 AM; Brian (X-DR) started at 8:49 AM. That gave Gregg a 7 minutes head start on Brian. On foot, Gregg ran 1:21:39 and Brian ran 1:14:45 — Brian was 6:54 faster than Gregg. Gregg took official place 693rd (time-based 696th) and Brian took official place 697th (time-based 471st). Gregg's head start was enough to flip the official order even though Brian was faster on foot. Biggest swing: Brian gained 2:57 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Gregg Walker (P-DR) started 7 min earlier than Brian (X-DR).
- Overall place Δ
- -4
- Actual time Δ
- +6:54
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Gregg earlier)
- Finish clock Δ
- -0:06
- Section place Δ
- +5
Δ = Gregg − Brian. Negative means Gregg is ahead/faster.
Race timeline
Computed- Gregg (P-DR) started at 8:42 AM.
- Brian (X-DR) started at 8:49 AM, 7:00 later.
- Actual running time: Brian was 6:54 faster on foot than Gregg.
- Finish clock: Gregg crossed the line 0:06 ahead of Brian — Gregg wins this head-to-head.
Δ (A − B): actual +6:54 · finish clock -0:06.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Gregg | Brian | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:54 | 8:28 | +1:26 |
| Stairs to Windy Gap | 7:13 | 6:43 | +0:30 |
| Windy Gap to Muir Woods | 6:28 | 6:24 | +0:04 |
| Muir Woods to Cardiac | 31:47 | 28:50 | +2:57 |
| Cardiac to White Gate | 16:08 | 15:15 | +0:53 |
| White Gate to The Stile | 7:53 | 7:14 | +0:39 |
| The Stile to Finish | 2:16 | 1:51 | +0:25 |
Δ negative = Gregg ran the segment faster.