Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialSara W Beatty
#614 · 1:15:20 · F36 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Athlete B
OfficialMarshall Allen boyd
#619 · 1:10:38 · M46 · Group W · DR
Wave start 8:48 AM (W-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
Sara (Q-DR) started at 8:43 AM; Marshall (W-DR) started at 8:48 AM. That gave Sara a 5 minutes head start on Marshall. On foot, Sara ran 1:15:20 and Marshall ran 1:10:38 — Marshall was 4:42 faster than Sara. Sara took official place 614th (time-based 496th) and Marshall took official place 619th (time-based 343rd). Sara's head start was enough to flip the official order even though Marshall was faster on foot. Biggest swing: Marshall gained 1:35 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Sara W Beatty (Q-DR) started 5 min earlier than Marshall (W-DR).
- Overall place Δ
- -5
- Actual time Δ
- +4:42
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Sara earlier)
- Finish clock Δ
- -0:18
- Section place Δ
- +5
Δ = Sara − Marshall. Negative means Sara is ahead/faster.
Race timeline
Computed- Sara (Q-DR) started at 8:43 AM.
- Marshall (W-DR) started at 8:48 AM, 5:00 later.
- Actual running time: Marshall was 4:42 faster on foot than Sara.
- Finish clock: Sara crossed the line 0:18 ahead of Marshall — Sara wins this head-to-head.
Δ (A − B): actual +4:42 · finish clock -0:18.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Sara | Marshall | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:49 | 7:50 | +0:59 |
| Stairs to Windy Gap | 7:25 | 6:27 | +0:58 |
| Windy Gap to Muir Woods | 6:22 | 6:01 | +0:21 |
| Muir Woods to Cardiac | 29:10 | 27:35 | +1:35 |
| Cardiac to White Gate | 14:27 | 14:07 | +0:20 |
| White Gate to The Stile | 7:08 | 6:53 | +0:15 |
| The Stile to Finish | 1:59 | 1:45 | +0:14 |
Δ negative = Sara ran the segment faster.