Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJackson W McFerron
#549 · 58:43 · M20 · Group SCR · DR
Wave start 8:52 AM (SCR-DR)
Athlete B
OfficialWilliam J Wurzbach
#553 · 1:01:03 · M17 · Group Y · DR
Wave start 8:50 AM (Y-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
Jackson (SCR-DR) started at 8:52 AM; William (Y-DR) started at 8:50 AM. That gave William a 2 minutes head start on Jackson. On foot, Jackson ran 58:43 and William ran 1:01:03 — Jackson was 2:20 faster than William. Jackson took official place 549th (time-based 48th) and William took official place 553rd (time-based 82nd). Jackson was faster on foot and finished ahead on the official clock too. Biggest swing: Jackson gained 0:58 from Muir Woods to Cardiac.
Deltas
ComputedWave start
William J Wurzbach (Y-DR) started 2 min earlier than Jackson (SCR-DR).
- Overall place Δ
- -4
- Actual time Δ
- -2:20
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 2 min (William earlier)
- Finish clock Δ
- -0:20
- Section place Δ
- -1
Δ = Jackson − William. Negative means Jackson is ahead/faster.
Race timeline
Computed- William (Y-DR) started at 8:50 AM.
- Jackson (SCR-DR) started at 8:52 AM, 2:00 later.
- Actual running time: Jackson was 2:20 faster on foot than William.
- Finish clock: Jackson crossed the line 0:20 ahead of William — Jackson wins this head-to-head.
Δ (A − B): actual -2:20 · finish clock -0:20.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jackson | William | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:57 | 6:56 | +0:01 |
| Stairs to Windy Gap | 5:14 | 5:13 | +0:01 |
| Windy Gap to Muir Woods | 5:27 | 5:58 | -0:31 |
| Muir Woods to Cardiac | 22:21 | 23:19 | -0:58 |
| Cardiac to White Gate | 11:37 | 11:49 | -0:12 |
| White Gate to The Stile | 5:32 | 6:03 | -0:31 |
| The Stile to Finish | 1:35 | 1:45 | -0:10 |
Δ negative = Jackson ran the segment faster.