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
OfficialA Colby Powell
#725 · 1:20:11 · M54 · Group T · DR
Wave start 8:45 AM (T-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; A Colby (T-DR) started at 8:45 AM. That gave A Colby a 6 minutes head start on Alex. On foot, Alex ran 1:13:55 and A Colby ran 1:20:11 — Alex was 6:16 faster than A Colby. Alex took official place 720th (time-based 449th) and A Colby took official place 725th (time-based 653rd). Alex was faster on foot and finished ahead on the official clock too. Biggest swing: Alex gained 1:31 from Cardiac to White Gate.
Deltas
ComputedWave start
A Colby Powell (T-DR) started 6 min earlier than Alex (Z-DR).
- Overall place Δ
- -5
- Actual time Δ
- -6:16
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (A Colby earlier)
- Finish clock Δ
- -0:16
- Section place Δ
- +14
Δ = Alex − A Colby. Negative means Alex is ahead/faster.
Race timeline
Computed- A Colby (T-DR) started at 8:45 AM.
- Alex (Z-DR) started at 8:51 AM, 6:00 later.
- Actual running time: Alex was 6:16 faster on foot than A Colby.
- Finish clock: Alex crossed the line 0:16 ahead of A Colby — Alex wins this head-to-head.
Δ (A − B): actual -6:16 · finish clock -0:16.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Alex | A Colby | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:39 | 9:12 | -0:33 |
| Stairs to Windy Gap | 6:10 | 7:07 | -0:57 |
| Windy Gap to Muir Woods | 5:40 | 6:43 | -1:03 |
| Muir Woods to Cardiac | 29:53 | 30:55 | -1:02 |
| Cardiac to White Gate | 14:26 | 15:57 | -1:31 |
| White Gate to The Stile | 7:13 | 8:01 | -0:48 |
| The Stile to Finish | 1:54 | 2:16 | -0:22 |
Δ negative = Alex ran the segment faster.