Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialVirgil Caselli
#651 · 1:14:45 · M51 · Group U · DR
Wave start 8:46 AM (U-DR)
Athlete B
OfficialJason Andrechak
#652 · 1:09:48 · M31 · Group Z · DR
Wave start 8:51 AM (Z-DR)
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
Virgil (U-DR) started at 8:46 AM; Jason (Z-DR) started at 8:51 AM. That gave Virgil a 5 minutes head start on Jason. On foot, Virgil ran 1:14:45 and Jason ran 1:09:48 — Jason was 4:57 faster than Virgil. Virgil took official place 651st (time-based 470th) and Jason took official place 652nd (time-based 318th). Virgil's head start was enough to flip the official order even though Jason was faster on foot. Biggest swing: Jason gained 3:46 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Virgil Caselli (U-DR) started 5 min earlier than Jason (Z-DR).
- Overall place Δ
- -1
- Actual time Δ
- +4:57
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Virgil earlier)
- Finish clock Δ
- -0:03
- Section place Δ
- -4
Δ = Virgil − Jason. Negative means Virgil is ahead/faster.
Race timeline
Computed- Virgil (U-DR) started at 8:46 AM.
- Jason (Z-DR) started at 8:51 AM, 5:00 later.
- Actual running time: Jason was 4:57 faster on foot than Virgil.
- Finish clock: Virgil crossed the line 0:03 ahead of Jason — Virgil wins this head-to-head.
Δ (A − B): actual +4:57 · finish clock -0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Virgil | Jason | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:14 | 8:12 | +1:02 |
| Stairs to Windy Gap | 6:14 | 5:52 | +0:22 |
| Windy Gap to Muir Woods | 6:11 | 6:19 | -0:08 |
| Muir Woods to Cardiac | 29:29 | 25:43 | +3:46 |
| Cardiac to White Gate | 14:42 | 14:47 | -0:05 |
| White Gate to The Stile | 6:56 | 7:02 | -0:06 |
| The Stile to Finish | 1:59 | 1:53 | +0:06 |
Δ negative = Virgil ran the segment faster.