Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialChristopher Borunda
#1372 · 2:14:03 · M43 · Group X · DR
Wave start 8:49 AM (X-DR)
Athlete B
OfficialDavid W Erskine
#1375 · 2:38:57 · M76 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
Comparison report
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The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
Christopher (X-DR) started at 8:49 AM; David (AAA-DR) started at 8:27 AM. That gave David a 22 minutes head start on Christopher. On foot, Christopher ran 2:14:03 and David ran 2:38:57 — Christopher was 24:54 faster than David. Christopher took official place 1372nd (time-based 1341st) and David took official place 1375th (time-based 1376th). Christopher was faster on foot and finished ahead on the official clock too. Biggest swing: Christopher gained 7:04 from Cardiac to White Gate.
Deltas
ComputedWave start
David W Erskine (AAA-DR) started 22 min earlier than Christopher (X-DR).
- Overall place Δ
- -3
- Actual time Δ
- -24:54
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 22 min (David earlier)
- Finish clock Δ
- -2:54
- Section place Δ
- +10
Δ = Christopher − David. Negative means Christopher is ahead/faster.
Race timeline
Computed- David (AAA-DR) started at 8:27 AM.
- Christopher (X-DR) started at 8:49 AM, 22:00 later.
- Actual running time: Christopher was 24:54 faster on foot than David.
- Finish clock: Christopher crossed the line 2:54 ahead of David — Christopher wins this head-to-head.
Δ (A − B): actual -24:54 · finish clock -2:54.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Christopher | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 13:01 | 16:20 | -3:19 |
| Stairs to Windy Gap | 11:19 | 12:34 | -1:15 |
| Windy Gap to Muir Woods | 11:40 | 16:01 | -4:21 |
| Muir Woods to Cardiac | 47:29 | 49:58 | -2:29 |
| Cardiac to White Gate | 30:59 | 38:03 | -7:04 |
| White Gate to The Stile | 15:51 | 20:27 | -4:36 |
| The Stile to Finish | 3:44 | 5:34 | -1:50 |
Δ negative = Christopher ran the segment faster.