Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialPreston T Rhodes
#926 · 1:30:55 · M11 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Athlete B
OfficialAmy Svendberg
#922 · 1:38:34 · F56 · Group G · DR
Wave start 8:35 AM (G-DR)
Interpretation
Preston (Q-DR) started at 8:43 AM; Amy (G-DR) started at 8:35 AM. That gave Amy a 8 minutes head start on Preston. On foot, Preston ran 1:30:55 and Amy ran 1:38:34 — Preston was 7:39 faster than Amy. Preston took official place 926th (time-based 924th) and Amy took official place 922nd (time-based 1075th). Amy's head start was enough to flip the official order even though Preston was faster on foot. Biggest swing: Preston gained 2:38 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Amy Svendberg (G-DR) started 8 min earlier than Preston (Q-DR).
- Overall place Δ
- +4
- Actual time Δ
- -7:39
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (Amy earlier)
- Finish clock Δ
- +0:21
- Section place Δ
- +41
Δ = Preston − Amy. Negative means Preston is ahead/faster.
Race timeline
Computed- Amy (G-DR) started at 8:35 AM.
- Preston (Q-DR) started at 8:43 AM, 8:00 later.
- Actual running time: Preston was 7:39 faster on foot than Amy.
- Finish clock: Amy crossed the line 0:21 ahead of Preston — Amy wins this head-to-head.
Δ (A − B): actual -7:39 · finish clock +0:21.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Preston | Amy | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:22 | 11:32 | -1:10 |
| Stairs to Windy Gap | 8:04 | 8:49 | -0:45 |
| Windy Gap to Muir Woods | 7:32 | 8:18 | -0:46 |
| Muir Woods to Cardiac | 35:12 | 37:50 | -2:38 |
| Cardiac to White Gate | 18:19 | 20:16 | -1:57 |
| White Gate to The Stile | 8:56 | 9:17 | -0:21 |
| The Stile to Finish | 2:30 | 2:32 | -0:02 |
Δ negative = Preston ran the segment faster.