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 T McGregor
#481 · 1:14:53 · M38 · Group Y · INV
Wave start 8:23 AM (Y-INV)
Athlete B
OfficialFlora A Dewey
#478 · 1:24:30 · F14 · Group M · INV
Wave start 8:13 AM (M-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 (Y-INV) started at 8:23 AM; Flora (M-INV) started at 8:13 AM. That gave Flora a 10 minutes head start on William. On foot, William ran 1:14:53 and Flora ran 1:24:30 — William was 9:37 faster than Flora. William took official place 481st (time-based 476th) and Flora took official place 478th (time-based 780th). Flora's head start was enough to flip the official order even though William was faster on foot. Biggest swing: William gained 4:51 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Flora A Dewey (M-INV) started 10 min earlier than William (Y-INV).
- Overall place Δ
- +3
- Actual time Δ
- -9:37
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Flora earlier)
- Finish clock Δ
- +0:23
- Section place Δ
- +58
Δ = William − Flora. Negative means William is ahead/faster.
Race timeline
Computed- Flora (M-INV) started at 8:13 AM.
- William (Y-INV) started at 8:23 AM, 10:00 later.
- Actual running time: William was 9:37 faster on foot than Flora.
- Finish clock: Flora crossed the line 0:23 ahead of William — Flora wins this head-to-head.
Δ (A − B): actual -9:37 · finish clock +0:23.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | William | Flora | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:12 | 9:18 | -0:06 |
| Stairs to Windy Gap | 6:54 | 7:06 | -0:12 |
| Windy Gap to Muir Woods | 6:03 | 6:35 | -0:32 |
| Muir Woods to Cardiac | 29:18 | 34:09 | -4:51 |
| Cardiac to White Gate | 14:35 | 17:17 | -2:42 |
| White Gate to The Stile | 6:57 | 7:59 | -1:02 |
| The Stile to Finish | 1:54 | 2:06 | -0:12 |
Δ negative = William ran the segment faster.