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
OfficialJon Thompson
#649 · 1:10:43 · M33 · Group Y · DR
Wave start 8:50 AM (Y-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; Jon (Y-DR) started at 8:50 AM. That gave Virgil a 4 minutes head start on Jon. On foot, Virgil ran 1:14:45 and Jon ran 1:10:43 — Jon was 4:02 faster than Virgil. Virgil took official place 651st (time-based 470th) and Jon took official place 649th (time-based 347th). Jon was faster on foot and finished ahead on the official clock too. Biggest swing: Jon gained 2:07 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Virgil Caselli (U-DR) started 4 min earlier than Jon (Y-DR).
- Overall place Δ
- +2
- Actual time Δ
- +4:02
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Virgil earlier)
- Finish clock Δ
- +0:02
- Section place Δ
- -13
Δ = Virgil − Jon. Negative means Virgil is ahead/faster.
Race timeline
Computed- Virgil (U-DR) started at 8:46 AM.
- Jon (Y-DR) started at 8:50 AM, 4:00 later.
- Actual running time: Jon was 4:02 faster on foot than Virgil.
- Finish clock: Jon crossed the line 0:02 ahead of Virgil — Jon wins this head-to-head.
Δ (A − B): actual +4:02 · finish clock +0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Virgil | Jon | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:14 | 8:06 | +1:08 |
| Stairs to Windy Gap | 6:14 | 5:48 | +0:26 |
| Windy Gap to Muir Woods | 6:11 | 5:52 | +0:19 |
| Muir Woods to Cardiac | 29:29 | 27:22 | +2:07 |
| Cardiac to White Gate | 14:42 | 14:26 | +0:16 |
| White Gate to The Stile | 6:56 | 7:10 | -0:14 |
| The Stile to Finish | 1:59 | 1:59 | ±0:00 |
Δ negative = Virgil ran the segment faster.