Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialPeter B Delahunt
#459 · 1:23:40 · M62 · Group L · INV
Wave start 8:12 AM (L-INV)
Athlete B
OfficialJason E Larson
#462 · 1:13:59 · M42 · 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
Peter (L-INV) started at 8:12 AM; Jason (X-INV) started at 8:22 AM. That gave Peter a 10 minutes head start on Jason. On foot, Peter ran 1:23:40 and Jason ran 1:13:59 — Jason was 9:41 faster than Peter. Peter took official place 459th (time-based 758th) and Jason took official place 462nd (time-based 452nd). Peter's head start was enough to flip the official order even though Jason was faster on foot. Biggest swing: Jason gained 3:38 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Peter B Delahunt (L-INV) started 10 min earlier than Jason (X-INV).
- Overall place Δ
- -3
- Actual time Δ
- +9:41
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Peter earlier)
- Finish clock Δ
- -0:19
- Section place Δ
- -21
Δ = Peter − Jason. Negative means Peter is ahead/faster.
Race timeline
Computed- Peter (L-INV) started at 8:12 AM.
- Jason (X-INV) started at 8:22 AM, 10:00 later.
- Actual running time: Jason was 9:41 faster on foot than Peter.
- Finish clock: Peter crossed the line 0:19 ahead of Jason — Peter wins this head-to-head.
Δ (A − B): actual +9:41 · finish clock -0:19.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Peter | Jason | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:49 | 8:25 | +1:24 |
| Stairs to Windy Gap | 6:56 | 6:35 | +0:21 |
| Windy Gap to Muir Woods | 7:01 | 6:10 | +0:51 |
| Muir Woods to Cardiac | 31:58 | 28:20 | +3:38 |
| Cardiac to White Gate | 17:13 | 15:00 | +2:13 |
| White Gate to The Stile | 8:16 | 7:21 | +0:55 |
| The Stile to Finish | 2:27 | 2:08 | +0:19 |
Δ negative = Peter ran the segment faster.