Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialWilliam Reed
#431 · 1:19:37 · M59 · Group P · INV
Wave start 8:15 AM (P-INV)
Athlete B
OfficialJames L Shirley
#432 · 1:11:41 · M35 · Group Y · INV
Wave start 8:23 AM (Y-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
William (P-INV) started at 8:15 AM; James (Y-INV) started at 8:23 AM. That gave William a 8 minutes head start on James. On foot, William ran 1:19:37 and James ran 1:11:41 — James was 7:56 faster than William. William took official place 431st (time-based 639th) and James took official place 432nd (time-based 379th). William's head start was enough to flip the official order even though James was faster on foot. Biggest swing: James gained 2:39 from Cardiac to White Gate.
Deltas
ComputedWave start
William Reed (P-INV) started 8 min earlier than James (Y-INV).
- Overall place Δ
- -1
- Actual time Δ
- +7:56
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 8 min (William earlier)
- Finish clock Δ
- -0:04
- Section place Δ
- -43
Δ = William − James. Negative means William is ahead/faster.
Race timeline
Computed- William (P-INV) started at 8:15 AM.
- James (Y-INV) started at 8:23 AM, 8:00 later.
- Actual running time: James was 7:56 faster on foot than William.
- Finish clock: William crossed the line 0:04 ahead of James — William wins this head-to-head.
Δ (A − B): actual +7:56 · finish clock -0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | William | James | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:07 | 8:06 | +1:01 |
| Stairs to Windy Gap | 6:46 | 6:04 | +0:42 |
| Windy Gap to Muir Woods | 6:23 | 5:36 | +0:47 |
| Muir Woods to Cardiac | 30:12 | 28:43 | +1:29 |
| Cardiac to White Gate | 16:46 | 14:07 | +2:39 |
| White Gate to The Stile | 7:54 | 7:12 | +0:42 |
| The Stile to Finish | 2:29 | 1:53 | +0:36 |
Δ negative = William ran the segment faster.