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
OfficialPaul S Braa
#295 · 1:18:17 · M62 · Group L · INV
Wave start 8:12 AM (L-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; Paul (L-INV) started at 8:12 AM. That gave Paul a 7 minutes head start on Michael. On foot, Michael ran 1:11:15 and Paul ran 1:18:17 — Michael was 7:02 faster than Paul. Michael took official place 293rd (time-based 356th) and Paul took official place 295th (time-based 588th). Michael was faster on foot and finished ahead on the official clock too. Biggest swing: Michael gained 1:58 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Paul S Braa (L-INV) started 7 min earlier than Michael (U-INV).
- Overall place Δ
- -2
- Actual time Δ
- -7:02
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Paul earlier)
- Finish clock Δ
- -0:02
- Section place Δ
- +8
Δ = Michael − Paul. Negative means Michael is ahead/faster.
Race timeline
Computed- Paul (L-INV) started at 8:12 AM.
- Michael (U-INV) started at 8:19 AM, 7:00 later.
- Actual running time: Michael was 7:02 faster on foot than Paul.
- Finish clock: Michael crossed the line 0:02 ahead of Paul — Michael wins this head-to-head.
Δ (A − B): actual -7:02 · finish clock -0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Michael | Paul | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:53 | 9:32 | -1:39 |
| Stairs to Windy Gap | 5:46 | 7:06 | -1:20 |
| Windy Gap to Muir Woods | 5:47 | 6:35 | -0:48 |
| Muir Woods to Cardiac | 27:48 | 29:46 | -1:58 |
| Cardiac to White Gate | 14:42 | 15:52 | -1:10 |
| White Gate to The Stile | 7:21 | 7:17 | +0:04 |
| The Stile to Finish | 1:58 | 2:09 | -0:11 |
Δ negative = Michael ran the segment faster.