Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialMichael J Prindiville
#293 · 1:11:15 · M51 · Group U · INV
Wave start 8:19 AM (U-INV)
Athlete B
OfficialAlexandre Bolze
#289 · 1:08:09 · 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
Michael (U-INV) started at 8:19 AM; Alexandre (X-INV) started at 8:22 AM. That gave Michael a 3 minutes head start on Alexandre. On foot, Michael ran 1:11:15 and Alexandre ran 1:08:09 — Alexandre was 3:06 faster than Michael. Michael took official place 293rd (time-based 356th) and Alexandre took official place 289th (time-based 267th). Alexandre was faster on foot and finished ahead on the official clock too. Biggest swing: Alexandre gained 1:36 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Michael J Prindiville (U-INV) started 3 min earlier than Alexandre (X-INV).
- Overall place Δ
- +4
- Actual time Δ
- +3:06
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Michael earlier)
- Finish clock Δ
- +0:06
- Section place Δ
- -3
Δ = Michael − Alexandre. Negative means Michael is ahead/faster.
Race timeline
Computed- Michael (U-INV) started at 8:19 AM.
- Alexandre (X-INV) started at 8:22 AM, 3:00 later.
- Actual running time: Alexandre was 3:06 faster on foot than Michael.
- Finish clock: Alexandre crossed the line 0:06 ahead of Michael — Alexandre wins this head-to-head.
Δ (A − B): actual +3:06 · finish clock +0:06.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Michael | Alexandre | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:53 | 8:14 | -0:21 |
| Stairs to Windy Gap | 5:46 | 5:46 | ±0:00 |
| Windy Gap to Muir Woods | 5:47 | 5:30 | +0:17 |
| Muir Woods to Cardiac | 27:48 | 26:12 | +1:36 |
| Cardiac to White Gate | 14:42 | 13:26 | +1:16 |
| White Gate to The Stile | 7:21 | 7:11 | +0:10 |
| The Stile to Finish | 1:58 | 1:50 | +0:08 |
Δ negative = Michael ran the segment faster.