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 W Marks
#861 · 1:18:55 · M24 · Group SCR · DR
Wave start 8:52 AM (SCR-DR)
Athlete B
OfficialWill Gensler
#856 · 1:19:44 · M18 · Group Z · DR
Wave start 8:51 AM (Z-DR)
Interpretation
Mason (SCR-DR) started at 8:52 AM; Will (Z-DR) started at 8:51 AM. That gave Will a 1 minute head start on Mason. On foot, Mason ran 1:18:55 and Will ran 1:19:44 — Mason was 0:49 faster than Will. Mason took official place 861st (time-based 611th) and Will took official place 856th (time-based 643rd). Will's head start was enough to flip the official order even though Mason was faster on foot. Biggest swing: Will gained 1:00 from Top of Stairs to Windy Gap.
Deltas
ComputedWave start
Will Gensler (Z-DR) started 1 min earlier than Mason (SCR-DR).
- Overall place Δ
- +5
- Actual time Δ
- -0:49
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Will earlier)
- Finish clock Δ
- +0:11
- Section place Δ
- -23
Δ = Mason − Will. Negative means Mason is ahead/faster.
Race timeline
Computed- Will (Z-DR) started at 8:51 AM.
- Mason (SCR-DR) started at 8:52 AM, 1:00 later.
- Actual running time: Mason was 0:49 faster on foot than Will.
- Finish clock: Will crossed the line 0:11 ahead of Mason — Will wins this head-to-head.
Δ (A − B): actual -0:49 · finish clock +0:11.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Mason | Will | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:28 | 10:03 | -1:35 |
| Stairs to Windy Gap | 7:48 | 6:48 | +1:00 |
| Windy Gap to Muir Woods | 6:02 | 6:39 | -0:37 |
| Muir Woods to Cardiac | 31:24 | 31:50 | -0:26 |
| Cardiac to White Gate | 15:35 | 14:51 | +0:44 |
| White Gate to The Stile | 7:37 | 7:41 | -0:04 |
| The Stile to Finish | 2:01 | 1:52 | +0:09 |
Δ negative = Mason ran the segment faster.