Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialRowan E Prindiville
#177 · 1:01:51 · M18 · Group Z · INV
Wave start 8:24 AM (Z-INV)
Athlete B
OfficialWilliam B Pease
#180 · 1:04:10 · M42 · Group X · INV
Wave start 8:22 AM (X-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
Rowan (Z-INV) started at 8:24 AM; William (X-INV) started at 8:22 AM. That gave William a 2 minutes head start on Rowan. On foot, Rowan ran 1:01:51 and William ran 1:04:10 — Rowan was 2:19 faster than William. Rowan took official place 177th (time-based 105th) and William took official place 180th (time-based 158th). Rowan was faster on foot and finished ahead on the official clock too. Biggest swing: William gained 0:57 from Muir Woods to Cardiac.
Deltas
ComputedWave start
William B Pease (X-INV) started 2 min earlier than Rowan (Z-INV).
- Overall place Δ
- -3
- Actual time Δ
- -2:19
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 2 min (William earlier)
- Finish clock Δ
- -0:19
- Section place Δ
- +8
Δ = Rowan − William. Negative means Rowan is ahead/faster.
Race timeline
Computed- William (X-INV) started at 8:22 AM.
- Rowan (Z-INV) started at 8:24 AM, 2:00 later.
- Actual running time: Rowan was 2:19 faster on foot than William.
- Finish clock: Rowan crossed the line 0:19 ahead of William — Rowan wins this head-to-head.
Δ (A − B): actual -2:19 · finish clock -0:19.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Rowan | William | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:27 | 7:07 | -0:40 |
| Stairs to Windy Gap | 5:08 | 5:54 | -0:46 |
| Windy Gap to Muir Woods | 5:05 | 5:32 | -0:27 |
| Muir Woods to Cardiac | 24:48 | 23:51 | +0:57 |
| Cardiac to White Gate | 12:33 | 13:13 | -0:40 |
| White Gate to The Stile | 6:17 | 6:34 | -0:17 |
| The Stile to Finish | 1:33 | 1:59 | -0:26 |
Δ negative = Rowan ran the segment faster.