Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialShelby Logsdon
#1069 · 1:40:29 · F51 · Group L · DR
Wave start 8:39 AM (L-DR)
Athlete B
OfficialAlle K Archer
#1065 · 1:47:00 · F9 · Group D · DR
Wave start 8:32 AM (D-DR)
Comparison report
Download the full report as a PDF, share the file, or send a link to this view.
The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
Shelby (L-DR) started at 8:39 AM; Alle (D-DR) started at 8:32 AM. That gave Alle a 7 minutes head start on Shelby. On foot, Shelby ran 1:40:29 and Alle ran 1:47:00 — Shelby was 6:31 faster than Alle. Shelby took official place 1069th (time-based 1101st) and Alle took official place 1065th (time-based 1196th). Alle's head start was enough to flip the official order even though Shelby was faster on foot. Biggest swing: Shelby gained 2:29 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Alle K Archer (D-DR) started 7 min earlier than Shelby (L-DR).
- Overall place Δ
- +4
- Actual time Δ
- -6:31
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Alle earlier)
- Finish clock Δ
- +0:29
- Section place Δ
- +14
Δ = Shelby − Alle. Negative means Shelby is ahead/faster.
Race timeline
Computed- Alle (D-DR) started at 8:32 AM.
- Shelby (L-DR) started at 8:39 AM, 7:00 later.
- Actual running time: Shelby was 6:31 faster on foot than Alle.
- Finish clock: Alle crossed the line 0:29 ahead of Shelby — Alle wins this head-to-head.
Δ (A − B): actual -6:31 · finish clock +0:29.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Shelby | Alle | Δ |
|---|---|---|---|
| Start to Top of Stairs | 12:51 | 12:07 | +0:44 |
| Stairs to Windy Gap | 9:29 | 10:03 | -0:34 |
| Windy Gap to Muir Woods | 7:20 | 9:39 | -2:19 |
| Muir Woods to Cardiac | 39:25 | 41:54 | -2:29 |
| Cardiac to White Gate | 19:29 | 20:52 | -1:23 |
| White Gate to The Stile | 9:06 | 9:42 | -0:36 |
| The Stile to Finish | 2:49 | 2:43 | +0:06 |
Δ negative = Shelby ran the segment faster.