Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialBoris E Pialloux
#368 · 1:15:24 · M56 · Group R · INV
Wave start 8:17 AM (R-INV)
Athlete B
OfficialDavid Youmans
#373 · 1:11:31 · 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
Boris (R-INV) started at 8:17 AM; David (W-INV) started at 8:21 AM. That gave Boris a 4 minutes head start on David. On foot, Boris ran 1:15:24 and David ran 1:11:31 — David was 3:53 faster than Boris. Boris took official place 368th (time-based 497th) and David took official place 373rd (time-based 372nd). Boris's head start was enough to flip the official order even though David was faster on foot. Biggest swing: David gained 0:57 from Cardiac to White Gate.
Deltas
ComputedWave start
Boris E Pialloux (R-INV) started 4 min earlier than David (W-INV).
- Overall place Δ
- -5
- Actual time Δ
- +3:53
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Boris earlier)
- Finish clock Δ
- -0:07
- Section place Δ
- -20
Δ = Boris − David. Negative means Boris is ahead/faster.
Race timeline
Computed- Boris (R-INV) started at 8:17 AM.
- David (W-INV) started at 8:21 AM, 4:00 later.
- Actual running time: David was 3:53 faster on foot than Boris.
- Finish clock: Boris crossed the line 0:07 ahead of David — Boris wins this head-to-head.
Δ (A − B): actual +3:53 · finish clock -0:07.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Boris | David | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:10 | 8:11 | +0:59 |
| Stairs to Windy Gap | 6:48 | 6:13 | +0:35 |
| Windy Gap to Muir Woods | 6:17 | 5:52 | +0:25 |
| Muir Woods to Cardiac | 28:24 | 27:48 | +0:36 |
| Cardiac to White Gate | 15:29 | 14:32 | +0:57 |
| White Gate to The Stile | 7:13 | 7:01 | +0:12 |
| The Stile to Finish | 2:03 | 1:54 | +0:09 |
Δ negative = Boris ran the segment faster.