Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDave Emmanuel
#579 · 1:16:57 · M63 · Group K · DR
Wave start 8:38 AM (K-DR)
Athlete B
OfficialEthan Xu
#580 · 1:05:09 · M17 · Group Y · DR
Wave start 8:50 AM (Y-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
Dave (K-DR) started at 8:38 AM; Ethan (Y-DR) started at 8:50 AM. That gave Dave a 12 minutes head start on Ethan. On foot, Dave ran 1:16:57 and Ethan ran 1:05:09 — Ethan was 11:48 faster than Dave. Dave took official place 579th (time-based 551st) and Ethan took official place 580th (time-based 186th). Dave's head start was enough to flip the official order even though Ethan was faster on foot. Biggest swing: Ethan gained 3:11 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Dave Emmanuel (K-DR) started 12 min earlier than Ethan (Y-DR).
- Overall place Δ
- -1
- Actual time Δ
- +11:48
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 12 min (Dave earlier)
- Finish clock Δ
- -0:12
- Section place Δ
- -10
Δ = Dave − Ethan. Negative means Dave is ahead/faster.
Race timeline
Computed- Dave (K-DR) started at 8:38 AM.
- Ethan (Y-DR) started at 8:50 AM, 12:00 later.
- Actual running time: Ethan was 11:48 faster on foot than Dave.
- Finish clock: Dave crossed the line 0:12 ahead of Ethan — Dave wins this head-to-head.
Δ (A − B): actual +11:48 · finish clock -0:12.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Dave | Ethan | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:28 | 7:18 | +2:10 |
| Stairs to Windy Gap | 6:39 | 5:36 | +1:03 |
| Windy Gap to Muir Woods | 6:49 | 5:53 | +0:56 |
| Muir Woods to Cardiac | 28:56 | 25:45 | +3:11 |
| Cardiac to White Gate | 15:25 | 12:31 | +2:54 |
| White Gate to The Stile | 7:36 | 6:27 | +1:09 |
| The Stile to Finish | 2:04 | 1:39 | +0:25 |
Δ negative = Dave ran the segment faster.