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
OfficialJuan J Santos
#904 · 1:23:41 · M44 · Group X · DR
Wave start 8:49 AM (X-DR)
Interpretation
Hal (Y-DR) started at 8:50 AM; Juan (X-DR) started at 8:49 AM. That gave Juan a 1 minute head start on Hal. On foot, Hal ran 1:22:28 and Juan ran 1:23:41 — Hal was 1:13 faster than Juan. Hal took official place 899th (time-based 718th) and Juan took official place 904th (time-based 760th). Hal was faster on foot and finished ahead on the official clock too. Biggest swing: Juan gained 1:40 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Juan J Santos (X-DR) started 1 min earlier than Hal (Y-DR).
- Overall place Δ
- -5
- Actual time Δ
- -1:13
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Juan earlier)
- Finish clock Δ
- -0:13
- Section place Δ
- +41
Δ = Hal − Juan. Negative means Hal is ahead/faster.
Race timeline
Computed- Juan (X-DR) started at 8:49 AM.
- Hal (Y-DR) started at 8:50 AM, 1:00 later.
- Actual running time: Hal was 1:13 faster on foot than Juan.
- Finish clock: Hal crossed the line 0:13 ahead of Juan — Hal wins this head-to-head.
Δ (A − B): actual -1:13 · finish clock -0:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Hal | Juan | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:57 | 9:48 | -0:51 |
| Stairs to Windy Gap | 6:42 | 7:25 | -0:43 |
| Windy Gap to Muir Woods | 6:37 | 7:07 | -0:30 |
| Muir Woods to Cardiac | 33:19 | 31:39 | +1:40 |
| Cardiac to White Gate | 16:16 | 17:00 | -0:44 |
| White Gate to The Stile | 8:23 | 8:23 | ±0:00 |
| The Stile to Finish | 2:14 | 2:19 | -0:05 |
Δ negative = Hal ran the segment faster.