Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMarshall Allen boyd
#619 · 1:10:38 · M46 · Group W · DR
Wave start 8:48 AM (W-DR)
Athlete B
OfficialShay L Stoklos
#621 · 1:15:40 · F31 · Group Q · DR
Wave start 8:43 AM (Q-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
Marshall (W-DR) started at 8:48 AM; Shay (Q-DR) started at 8:43 AM. That gave Shay a 5 minutes head start on Marshall. On foot, Marshall ran 1:10:38 and Shay ran 1:15:40 — Marshall was 5:02 faster than Shay. Marshall took official place 619th (time-based 343rd) and Shay took official place 621st (time-based 509th). Marshall was faster on foot and finished ahead on the official clock too. Biggest swing: Marshall gained 1:06 from Cardiac to White Gate.
Deltas
ComputedWave start
Shay L Stoklos (Q-DR) started 5 min earlier than Marshall (W-DR).
- Overall place Δ
- -2
- Actual time Δ
- -5:02
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Shay earlier)
- Finish clock Δ
- -0:02
- Section place Δ
- -6
Δ = Marshall − Shay. Negative means Marshall is ahead/faster.
Race timeline
Computed- Shay (Q-DR) started at 8:43 AM.
- Marshall (W-DR) started at 8:48 AM, 5:00 later.
- Actual running time: Marshall was 5:02 faster on foot than Shay.
- Finish clock: Marshall crossed the line 0:02 ahead of Shay — Marshall wins this head-to-head.
Δ (A − B): actual -5:02 · finish clock -0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Marshall | Shay | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:50 | 9:47 | -1:57 |
| Stairs to Windy Gap | 6:27 | 6:13 | +0:14 |
| Windy Gap to Muir Woods | 6:01 | 6:40 | -0:39 |
| Muir Woods to Cardiac | 27:35 | 28:25 | -0:50 |
| Cardiac to White Gate | 14:07 | 15:13 | -1:06 |
| White Gate to The Stile | 6:53 | 7:21 | -0:28 |
| The Stile to Finish | 1:45 | 2:01 | -0:16 |
Δ negative = Marshall ran the segment faster.