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
OfficialChristopher S Evans
#296 · 1:08:25 · M43 · 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; Christopher (X-INV) started at 8:22 AM. That gave Michael a 3 minutes head start on Christopher. On foot, Michael ran 1:11:15 and Christopher ran 1:08:25 — Christopher was 2:50 faster than Michael. Michael took official place 293rd (time-based 356th) and Christopher took official place 296th (time-based 270th). Michael's head start was enough to flip the official order even though Christopher was faster on foot. Biggest swing: Christopher gained 1:17 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Michael J Prindiville (U-INV) started 3 min earlier than Christopher (X-INV).
- Overall place Δ
- -3
- Actual time Δ
- +2:50
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Michael earlier)
- Finish clock Δ
- -0:10
- Section place Δ
- -4
Δ = Michael − Christopher. Negative means Michael is ahead/faster.
Race timeline
Computed- Michael (U-INV) started at 8:19 AM.
- Christopher (X-INV) started at 8:22 AM, 3:00 later.
- Actual running time: Christopher was 2:50 faster on foot than Michael.
- Finish clock: Michael crossed the line 0:10 ahead of Christopher — Michael wins this head-to-head.
Δ (A − B): actual +2:50 · finish clock -0:10.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Michael | Christopher | Δ |
|---|---|---|---|
| Start to Top of Stairs | 7:53 | 8:04 | -0:11 |
| Stairs to Windy Gap | 5:46 | 6:01 | -0:15 |
| Windy Gap to Muir Woods | 5:47 | 5:19 | +0:28 |
| Muir Woods to Cardiac | 27:48 | 26:31 | +1:17 |
| Cardiac to White Gate | 14:42 | 13:39 | +1:03 |
| White Gate to The Stile | 7:21 | 6:55 | +0:26 |
| The Stile to Finish | 1:58 | 1:56 | +0:02 |
Δ negative = Michael ran the segment faster.