Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialWalter W Underhill
#1388 · 2:49:57 · M78 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
Athlete B
OfficialJames Timmer
#1383 · 3:09:25 · M72 · Group A · INV
Wave start 8:02 AM (A-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
Walter (AAA-DR) started at 8:27 AM; James (A-INV) started at 8:02 AM. That gave James a 25 minutes head start on Walter because the Runner wave starts 27 minutes after the Invitational wave. On foot, Walter ran 2:49:57 and James ran 3:09:25 — Walter was 19:28 faster than James. Walter took official place 1388th (time-based 1385th) and James took official place 1383rd (time-based 1395th). James's head start was enough to flip the official order even though Walter was faster on foot. Biggest swing: Walter gained 12:40 from Muir Woods to Cardiac.
Deltas
ComputedWave start
James Timmer (A-INV) started 25 min earlier than Walter (AAA-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +5
- Actual time Δ
- -19:28
- Section gap Δ
- 27 min (James earlier)
- Wave start Δ
- 25 min (James earlier)
- Finish clock Δ
- +5:32
- Section place Δ
- —
Δ = Walter − James. Negative means Walter is ahead/faster.
Race timeline
Computed- James (A-INV) started at 8:02 AM.
- Walter (AAA-DR) started at 8:27 AM, 25:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Walter was 19:28 faster on foot than James.
- Finish clock: James crossed the line 5:32 ahead of Walter — James wins this head-to-head.
Δ (A − B): actual -19:28 · finish clock +5:32.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Walter | James | Δ |
|---|---|---|---|
| Start to Top of Stairs | 17:20 | 17:54 | -0:34 |
| Stairs to Windy Gap | 13:34 | 16:09 | -2:35 |
| Windy Gap to Muir Woods | 12:00 | 13:43 | -1:43 |
| Muir Woods to Cardiac | 59:42 | 1:12:22 | -12:40 |
| Cardiac to White Gate | 41:21 | 38:16 | +3:05 |
| White Gate to The Stile | 20:46 | 25:16 | -4:30 |
| The Stile to Finish | 5:14 | 5:45 | -0:31 |
Δ negative = Walter ran the segment faster.