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
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
Jackson (SCR-DR) started at 8:52 AM; Christopher (W-INV) started at 8:21 AM. That gave Christopher a 31 minutes head start on Jackson because the Runner wave starts 27 minutes after the Invitational wave. On foot, Jackson ran 58:43 and Christopher ran 1:30:05 — Jackson was 31:22 faster than Christopher. Jackson took official place 549th (time-based 48th) and Christopher took official place 554th (time-based 914th). Jackson was faster on foot and finished ahead on the official clock too. Biggest swing: Jackson gained 12:41 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Christopher M Kirchhoff (W-INV) started 31 min earlier than Jackson (SCR-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- -5
- Actual time Δ
- -31:22
- Section gap Δ
- 27 min (Christopher earlier)
- Wave start Δ
- 31 min (Christopher earlier)
- Finish clock Δ
- -0:22
- Section place Δ
- —
Δ = Jackson − Christopher. Negative means Jackson is ahead/faster.
Race timeline
Computed- Christopher (W-INV) started at 8:21 AM.
- Jackson (SCR-DR) started at 8:52 AM, 31:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Jackson was 31:22 faster on foot than Christopher.
- Finish clock: Jackson crossed the line 0:22 ahead of Christopher — Jackson wins this head-to-head.
Δ (A − B): actual -31:22 · finish clock -0:22.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jackson | Christopher | Δ |
|---|---|---|---|
| Start to Top of Stairs | 6:57 | 9:50 | -2:53 |
| Stairs to Windy Gap | 5:14 | 7:45 | -2:31 |
| Windy Gap to Muir Woods | 5:27 | 6:30 | -1:03 |
| Muir Woods to Cardiac | 22:21 | 35:02 | -12:41 |
| Cardiac to White Gate | 11:37 | 19:10 | -7:33 |
| White Gate to The Stile | 5:32 | 9:25 | -3:53 |
| The Stile to Finish | 1:35 | 2:23 | -0:48 |
Δ negative = Jackson ran the segment faster.