Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMason O Joe
#969 · 1:34:28 · M10 · Group N · DR
Wave start 8:41 AM (N-DR)
Athlete B
OfficialKenji Hirabayashi
#974 · 1:33:41 · M59 · Group P · DR
Wave start 8:42 AM (P-DR)
Interpretation
Mason (N-DR) started at 8:41 AM; Kenji (P-DR) started at 8:42 AM. That gave Mason a 1 minute head start on Kenji. On foot, Mason ran 1:34:28 and Kenji ran 1:33:41 — Kenji was 0:47 faster than Mason. Mason took official place 969th (time-based 997th) and Kenji took official place 974th (time-based 979th). Mason's head start was enough to flip the official order even though Kenji was faster on foot. Biggest swing: Kenji gained 3:07 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Mason O Joe (N-DR) started 1 min earlier than Kenji (P-DR).
- Overall place Δ
- -5
- Actual time Δ
- +0:47
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Mason earlier)
- Finish clock Δ
- -0:13
- Section place Δ
- -6
Δ = Mason − Kenji. Negative means Mason is ahead/faster.
Race timeline
Computed- Mason (N-DR) started at 8:41 AM.
- Kenji (P-DR) started at 8:42 AM, 1:00 later.
- Actual running time: Kenji was 0:47 faster on foot than Mason.
- Finish clock: Mason crossed the line 0:13 ahead of Kenji — Mason wins this head-to-head.
Δ (A − B): actual +0:47 · finish clock -0:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mason | Kenji | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:11 | 11:46 | -2:35 |
| Stairs to Windy Gap | 7:13 | 7:12 | +0:01 |
| Windy Gap to Muir Woods | 8:23 | 6:36 | +1:47 |
| Muir Woods to Cardiac | 35:10 | 32:03 | +3:07 |
| Cardiac to White Gate | 21:30 | 20:59 | +0:31 |
| White Gate to The Stile | 10:35 | 11:33 | -0:58 |
| The Stile to Finish | 2:26 | 3:32 | -1:06 |
Δ negative = Mason ran the segment faster.