Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDoug M Karpa
#1367 · 2:18:14 · M57 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Athlete B
OfficialChristopher Borunda
#1372 · 2:14:03 · M43 · Group X · DR
Wave start 8:49 AM (X-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
Doug (Q-DR) started at 8:43 AM; Christopher (X-DR) started at 8:49 AM. That gave Doug a 6 minutes head start on Christopher. On foot, Doug ran 2:18:14 and Christopher ran 2:14:03 — Christopher was 4:11 faster than Doug. Doug took official place 1367th (time-based 1349th) and Christopher took official place 1372nd (time-based 1341st). Doug's head start was enough to flip the official order even though Christopher was faster on foot. Biggest swing: Christopher gained 4:31 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Doug M Karpa (Q-DR) started 6 min earlier than Christopher (X-DR).
- Overall place Δ
- -5
- Actual time Δ
- +4:11
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (Doug earlier)
- Finish clock Δ
- -1:49
- Section place Δ
- +52
Δ = Doug − Christopher. Negative means Doug is ahead/faster.
Race timeline
Computed- Doug (Q-DR) started at 8:43 AM.
- Christopher (X-DR) started at 8:49 AM, 6:00 later.
- Actual running time: Christopher was 4:11 faster on foot than Doug.
- Finish clock: Doug crossed the line 1:49 ahead of Christopher — Doug wins this head-to-head.
Δ (A − B): actual +4:11 · finish clock -1:49.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Doug | Christopher | Δ |
|---|---|---|---|
| Start to Top of Stairs | 13:16 | 13:01 | +0:15 |
| Stairs to Windy Gap | 10:05 | 11:19 | -1:14 |
| Windy Gap to Muir Woods | 8:42 | 11:40 | -2:58 |
| Muir Woods to Cardiac | 52:00 | 47:29 | +4:31 |
| Cardiac to White Gate | 30:18 | 30:59 | -0:41 |
| White Gate to The Stile | 20:12 | 15:51 | +4:21 |
| The Stile to Finish | 3:41 | 3:44 | -0:03 |
Δ negative = Doug ran the segment faster.