Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialAnthony Bozzi
#698 · 1:14:48 · M43 · 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
Anthony (X-DR) started at 8:49 AM; Gregg (P-DR) started at 8:42 AM. That gave Gregg a 7 minutes head start on Anthony. On foot, Anthony ran 1:14:48 and Gregg ran 1:21:39 — Anthony was 6:51 faster than Gregg. Anthony took official place 698th (time-based 472nd) and Gregg took official place 693rd (time-based 696th). Gregg's head start was enough to flip the official order even though Anthony was faster on foot. Biggest swing: Anthony gained 2:50 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Gregg Walker (P-DR) started 7 min earlier than Anthony (X-DR).
- Overall place Δ
- +5
- Actual time Δ
- -6:51
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Gregg earlier)
- Finish clock Δ
- +0:09
- Section place Δ
- -4
Δ = Anthony − Gregg. Negative means Anthony is ahead/faster.
Race timeline
Computed- Gregg (P-DR) started at 8:42 AM.
- Anthony (X-DR) started at 8:49 AM, 7:00 later.
- Actual running time: Anthony was 6:51 faster on foot than Gregg.
- Finish clock: Gregg crossed the line 0:09 ahead of Anthony — Gregg wins this head-to-head.
Δ (A − B): actual -6:51 · finish clock +0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Anthony | Gregg | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:06 | 9:54 | -0:48 |
| Stairs to Windy Gap | 6:19 | 7:13 | -0:54 |
| Windy Gap to Muir Woods | 6:12 | 6:28 | -0:16 |
| Muir Woods to Cardiac | 28:57 | 31:47 | -2:50 |
| Cardiac to White Gate | 14:45 | 16:08 | -1:23 |
| White Gate to The Stile | 7:29 | 7:53 | -0:24 |
| The Stile to Finish | 2:00 | 2:16 | -0:16 |
Δ negative = Anthony ran the segment faster.