Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialAlston D Spady
#1211 · 1:50:05 · M9 · Group L · DR
Wave start 8:39 AM (L-DR)
Athlete B
OfficialSierra Peterson
#1206 · 1:48:43 · F45 · Group M · DR
Wave start 8:40 AM (M-DR)
Interpretation
Alston (L-DR) started at 8:39 AM; Sierra (M-DR) started at 8:40 AM. That gave Alston a 1 minute head start on Sierra. On foot, Alston ran 1:50:05 and Sierra ran 1:48:43 — Sierra was 1:22 faster than Alston. Alston took official place 1211th (time-based 1227th) and Sierra took official place 1206th (time-based 1220th). Sierra was faster on foot and finished ahead on the official clock too. Biggest swing: Alston gained 7:03 from Cardiac to White Gate.
Deltas
ComputedWave start
Alston D Spady (L-DR) started 1 min earlier than Sierra (M-DR).
- Overall place Δ
- +5
- Actual time Δ
- +1:22
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Alston earlier)
- Finish clock Δ
- +0:22
- Section place Δ
- -8
Δ = Alston − Sierra. Negative means Alston is ahead/faster.
Race timeline
Computed- Alston (L-DR) started at 8:39 AM.
- Sierra (M-DR) started at 8:40 AM, 1:00 later.
- Actual running time: Sierra was 1:22 faster on foot than Alston.
- Finish clock: Sierra crossed the line 0:22 ahead of Alston — Sierra wins this head-to-head.
Δ (A − B): actual +1:22 · finish clock +0:22.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Alston | Sierra | Δ |
|---|---|---|---|
| Start to Top of Stairs | 15:08 | 10:46 | +4:22 |
| Stairs to Windy Gap | 9:40 | 7:28 | +2:12 |
| Windy Gap to Muir Woods | 9:54 | 10:36 | -0:42 |
| Muir Woods to Cardiac | 40:08 | 35:24 | +4:44 |
| Cardiac to White Gate | 21:51 | 28:54 | -7:03 |
| White Gate to The Stile | 10:37 | 12:41 | -2:04 |
| The Stile to Finish | 2:47 | 2:54 | -0:07 |
Δ negative = Alston ran the segment faster.