Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialHal Brigham
#899 · 1:22:28 · M39 · Group Y · DR
Wave start 8:50 AM (Y-DR)
Athlete B
OfficialMeryl Garcia
#903 · 1:29:37 · F38 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Interpretation
Hal (Y-DR) started at 8:50 AM; Meryl (Q-DR) started at 8:43 AM. That gave Meryl a 7 minutes head start on Hal. On foot, Hal ran 1:22:28 and Meryl ran 1:29:37 — Hal was 7:09 faster than Meryl. Hal took official place 899th (time-based 718th) and Meryl took official place 903rd (time-based 901st). Hal was faster on foot and finished ahead on the official clock too. Biggest swing: Hal gained 1:45 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Meryl Garcia (Q-DR) started 7 min earlier than Hal (Y-DR).
- Overall place Δ
- -4
- Actual time Δ
- -7:09
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Meryl earlier)
- Finish clock Δ
- -0:09
- Section place Δ
- +16
Δ = Hal − Meryl. Negative means Hal is ahead/faster.
Race timeline
Computed- Meryl (Q-DR) started at 8:43 AM.
- Hal (Y-DR) started at 8:50 AM, 7:00 later.
- Actual running time: Hal was 7:09 faster on foot than Meryl.
- Finish clock: Hal crossed the line 0:09 ahead of Meryl — Hal wins this head-to-head.
Δ (A − B): actual -7:09 · finish clock -0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Hal | Meryl | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:57 | 10:33 | -1:36 |
| Stairs to Windy Gap | 6:42 | 7:47 | -1:05 |
| Windy Gap to Muir Woods | 6:37 | 7:07 | -0:30 |
| Muir Woods to Cardiac | 33:19 | 35:04 | -1:45 |
| Cardiac to White Gate | 16:16 | 17:46 | -1:30 |
| White Gate to The Stile | 8:23 | 8:59 | -0:36 |
| The Stile to Finish | 2:14 | 2:21 | -0:07 |
Δ negative = Hal ran the segment faster.