Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJeff D Perkins
#1209 · 1:44:48 · M56 · Group R · DR
Wave start 8:44 AM (R-DR)
Athlete B
OfficialSierra Peterson
#1206 · 1:48:43 · F45 · Group M · DR
Wave start 8:40 AM (M-DR)
Interpretation
Jeff (R-DR) started at 8:44 AM; Sierra (M-DR) started at 8:40 AM. That gave Sierra a 4 minutes head start on Jeff. On foot, Jeff ran 1:44:48 and Sierra ran 1:48:43 — Jeff was 3:55 faster than Sierra. Jeff took official place 1209th (time-based 1162nd) and Sierra took official place 1206th (time-based 1220th). Sierra's head start was enough to flip the official order even though Jeff was faster on foot. Biggest swing: Jeff gained 7:55 from Cardiac to White Gate.
Deltas
ComputedWave start
Sierra Peterson (M-DR) started 4 min earlier than Jeff (R-DR).
- Overall place Δ
- +3
- Actual time Δ
- -3:55
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Sierra earlier)
- Finish clock Δ
- +0:05
- Section place Δ
- -32
Δ = Jeff − Sierra. Negative means Jeff is ahead/faster.
Race timeline
Computed- Sierra (M-DR) started at 8:40 AM.
- Jeff (R-DR) started at 8:44 AM, 4:00 later.
- Actual running time: Jeff was 3:55 faster on foot than Sierra.
- Finish clock: Sierra crossed the line 0:05 ahead of Jeff — Sierra wins this head-to-head.
Δ (A − B): actual -3:55 · finish clock +0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jeff | Sierra | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:23 | 10:46 | +0:37 |
| Stairs to Windy Gap | 8:58 | 7:28 | +1:30 |
| Windy Gap to Muir Woods | 7:47 | 10:36 | -2:49 |
| Muir Woods to Cardiac | 41:57 | 35:24 | +6:33 |
| Cardiac to White Gate | 20:59 | 28:54 | -7:55 |
| White Gate to The Stile | 10:52 | 12:41 | -1:49 |
| The Stile to Finish | 2:52 | 2:54 | -0:02 |
Δ negative = Jeff ran the segment faster.