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 A Magrath
#467 · 1:15:32 · M46 · Group W · INV
Wave start 8:21 AM (W-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
William (W-INV) started at 8:21 AM; Jason (X-INV) started at 8:22 AM. That gave William a 1 minute head start on Jason. On foot, William ran 1:15:32 and Jason ran 1:13:59 — Jason was 1:33 faster than William. William took official place 467th (time-based 504th) and Jason took official place 462nd (time-based 452nd). Jason was faster on foot and finished ahead on the official clock too. Biggest swing: Jason gained 1:21 from Muir Woods to Cardiac.
Deltas
ComputedWave start
William A Magrath (W-INV) started 1 min earlier than Jason (X-INV).
- Overall place Δ
- +5
- Actual time Δ
- +1:33
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (William earlier)
- Finish clock Δ
- +0:33
- Section place Δ
- -7
Δ = William − Jason. Negative means William is ahead/faster.
Race timeline
Computed- William (W-INV) started at 8:21 AM.
- Jason (X-INV) started at 8:22 AM, 1:00 later.
- Actual running time: Jason was 1:33 faster on foot than William.
- Finish clock: Jason crossed the line 0:33 ahead of William — Jason wins this head-to-head.
Δ (A − B): actual +1:33 · finish clock +0:33.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | William | Jason | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:34 | 8:25 | +0:09 |
| Stairs to Windy Gap | 6:53 | 6:35 | +0:18 |
| Windy Gap to Muir Woods | 6:01 | 6:10 | -0:09 |
| Muir Woods to Cardiac | 29:41 | 28:20 | +1:21 |
| Cardiac to White Gate | 14:44 | 15:00 | -0:16 |
| White Gate to The Stile | 7:27 | 7:21 | +0:06 |
| The Stile to Finish | 2:12 | 2:08 | +0:04 |
Δ negative = William ran the segment faster.