Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMarley Nacco
#410 · 1:19:49 · F19 · Group N · INV
Wave start 8:14 AM (N-INV)
Athlete B
OfficialPaul Davison
#405 · 1:12:39 · M46 · Group W · INV
Wave start 8:21 AM (W-INV)
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
Marley (N-INV) started at 8:14 AM; Paul (W-INV) started at 8:21 AM. That gave Marley a 7 minutes head start on Paul. On foot, Marley ran 1:19:49 and Paul ran 1:12:39 — Paul was 7:10 faster than Marley. Marley took official place 410th (time-based 647th) and Paul took official place 405th (time-based 411th). Paul was faster on foot and finished ahead on the official clock too. Biggest swing: Paul gained 2:20 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Marley Nacco (N-INV) started 7 min earlier than Paul (W-INV).
- Overall place Δ
- +5
- Actual time Δ
- +7:10
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Marley earlier)
- Finish clock Δ
- +0:10
- Section place Δ
- -14
Δ = Marley − Paul. Negative means Marley is ahead/faster.
Race timeline
Computed- Marley (N-INV) started at 8:14 AM.
- Paul (W-INV) started at 8:21 AM, 7:00 later.
- Actual running time: Paul was 7:10 faster on foot than Marley.
- Finish clock: Paul crossed the line 0:10 ahead of Marley — Paul wins this head-to-head.
Δ (A − B): actual +7:10 · finish clock +0:10.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Marley | Paul | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:51 | 8:06 | +0:45 |
| Stairs to Windy Gap | 7:33 | 6:42 | +0:51 |
| Windy Gap to Muir Woods | 6:33 | 5:48 | +0:45 |
| Muir Woods to Cardiac | 31:00 | 28:40 | +2:20 |
| Cardiac to White Gate | 16:36 | 14:22 | +2:14 |
| White Gate to The Stile | 7:18 | 7:02 | +0:16 |
| The Stile to Finish | 1:58 | 1:59 | -0:01 |
Δ negative = Marley ran the segment faster.