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 J Wurzbach
#553 · 1:01:03 · M17 · Group Y · DR
Wave start 8:50 AM (Y-DR)
Athlete B
OfficialChristopher M Kirchhoff
#554 · 1:30:05 · M47 · Group W · INV
Wave start 8:21 AM (W-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-DR) started at 8:50 AM; Christopher (W-INV) started at 8:21 AM. That gave Christopher a 29 minutes head start on William because the Runner wave starts 27 minutes after the Invitational wave. On foot, William ran 1:01:03 and Christopher ran 1:30:05 — William was 29:02 faster than Christopher. William took official place 553rd (time-based 82nd) and Christopher took official place 554th (time-based 914th). William was faster on foot and finished ahead on the official clock too. Biggest swing: William gained 11:43 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Christopher M Kirchhoff (W-INV) started 29 min earlier than William (Y-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- -1
- Actual time Δ
- -29:02
- Section gap Δ
- 27 min (Christopher earlier)
- Wave start Δ
- 29 min (Christopher earlier)
- Finish clock Δ
- -0:02
- Section place Δ
- —
Δ = William − Christopher. Negative means William is ahead/faster.
Race timeline
Computed- Christopher (W-INV) started at 8:21 AM.
- William (Y-DR) started at 8:50 AM, 29:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: William was 29:02 faster on foot than Christopher.
- Finish clock: William crossed the line 0:02 ahead of Christopher — William wins this head-to-head.
Δ (A − B): actual -29:02 · finish clock -0:02.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | William | Christopher | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:56 | 9:50 | -2:54 |
| Stairs to Windy Gap | 5:13 | 7:45 | -2:32 |
| Windy Gap to Muir Woods | 5:58 | 6:30 | -0:32 |
| Muir Woods to Cardiac | 23:19 | 35:02 | -11:43 |
| Cardiac to White Gate | 11:49 | 19:10 | -7:21 |
| White Gate to The Stile | 6:03 | 9:25 | -3:22 |
| The Stile to Finish | 1:45 | 2:23 | -0:38 |
Δ negative = William ran the segment faster.