Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialLiam Caselli
#748 · 1:27:22 · M9 · Group L · DR
Wave start 8:39 AM (L-DR)
Athlete B
OfficialBrian A Matthay
#753 · 1:17:31 · M44 · Group X · DR
Wave start 8:49 AM (X-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
Liam (L-DR) started at 8:39 AM; Brian (X-DR) started at 8:49 AM. That gave Liam a 10 minutes head start on Brian. On foot, Liam ran 1:27:22 and Brian ran 1:17:31 — Brian was 9:51 faster than Liam. Liam took official place 748th (time-based 845th) and Brian took official place 753rd (time-based 569th). Liam's head start was enough to flip the official order even though Brian was faster on foot. Biggest swing: Brian gained 5:27 from Cardiac to White Gate.
Deltas
ComputedWave start
Liam Caselli (L-DR) started 10 min earlier than Brian (X-DR).
- Overall place Δ
- -5
- Actual time Δ
- +9:51
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Liam earlier)
- Finish clock Δ
- -0:09
- Section place Δ
- -7
Δ = Liam − Brian. Negative means Liam is ahead/faster.
Race timeline
Computed- Liam (L-DR) started at 8:39 AM.
- Brian (X-DR) started at 8:49 AM, 10:00 later.
- Actual running time: Brian was 9:51 faster on foot than Liam.
- Finish clock: Liam crossed the line 0:09 ahead of Brian — Liam wins this head-to-head.
Δ (A − B): actual +9:51 · finish clock -0:09.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Liam | Brian | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:19 | 8:36 | -0:17 |
| Stairs to Windy Gap | 6:37 | 6:45 | -0:08 |
| Windy Gap to Muir Woods | 7:04 | 6:38 | +0:26 |
| Muir Woods to Cardiac | 31:27 | 30:33 | +0:54 |
| Cardiac to White Gate | 20:34 | 15:07 | +5:27 |
| White Gate to The Stile | 10:39 | 7:50 | +2:49 |
| The Stile to Finish | 2:42 | 2:02 | +0:40 |
Δ negative = Liam ran the segment faster.