Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialAlex Derbyshire
#720 · 1:13:55 · M29 · Group Z · DR
Wave start 8:51 AM (Z-DR)
Athlete B
OfficialRobert O Spinosa
#721 · 1:18:56 · M13 · Group U · DR
Wave start 8:46 AM (U-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
Alex (Z-DR) started at 8:51 AM; Robert (U-DR) started at 8:46 AM. That gave Robert a 5 minutes head start on Alex. On foot, Alex ran 1:13:55 and Robert ran 1:18:56 — Alex was 5:01 faster than Robert. Alex took official place 720th (time-based 449th) and Robert took official place 721st (time-based 612th). Alex was faster on foot and finished ahead on the official clock too. Biggest swing: Alex gained 2:36 from Cardiac to White Gate.
Deltas
ComputedWave start
Robert O Spinosa (U-DR) started 5 min earlier than Alex (Z-DR).
- Overall place Δ
- -1
- Actual time Δ
- -5:01
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Robert earlier)
- Finish clock Δ
- -0:01
- Section place Δ
- +7
Δ = Alex − Robert. Negative means Alex is ahead/faster.
Race timeline
Computed- Robert (U-DR) started at 8:46 AM.
- Alex (Z-DR) started at 8:51 AM, 5:00 later.
- Actual running time: Alex was 5:01 faster on foot than Robert.
- Finish clock: Alex crossed the line 0:01 ahead of Robert — Alex wins this head-to-head.
Δ (A − B): actual -5:01 · finish clock -0:01.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Alex | Robert | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:39 | 8:42 | -0:03 |
| Stairs to Windy Gap | 6:10 | 6:45 | -0:35 |
| Windy Gap to Muir Woods | 5:40 | 6:44 | -1:04 |
| Muir Woods to Cardiac | 29:53 | 29:01 | +0:52 |
| Cardiac to White Gate | 14:26 | 17:02 | -2:36 |
| White Gate to The Stile | 7:13 | 8:36 | -1:23 |
| The Stile to Finish | 1:54 | 2:06 | -0:12 |
Δ negative = Alex ran the segment faster.