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
OfficialPeter T Berry
#1386 · 2:32:27 · M60 · Group N · DR
Wave start 8:41 AM (N-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
Walter (AAA-DR) started at 8:27 AM; Peter (N-DR) started at 8:41 AM. That gave Walter a 14 minutes head start on Peter. On foot, Walter ran 2:49:57 and Peter ran 2:32:27 — Peter was 17:30 faster than Walter. Walter took official place 1388th (time-based 1385th) and Peter took official place 1386th (time-based 1370th). Peter was faster on foot and finished ahead on the official clock too. Biggest swing: Peter gained 7:38 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Walter W Underhill (AAA-DR) started 14 min earlier than Peter (N-DR).
- Overall place Δ
- +2
- Actual time Δ
- +17:30
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 14 min (Walter earlier)
- Finish clock Δ
- +3:30
- Section place Δ
- -11
Δ = Walter − Peter. Negative means Walter is ahead/faster.
Race timeline
Computed- Walter (AAA-DR) started at 8:27 AM.
- Peter (N-DR) started at 8:41 AM, 14:00 later.
- Actual running time: Peter was 17:30 faster on foot than Walter.
- Finish clock: Peter crossed the line 3:30 ahead of Walter — Peter wins this head-to-head.
Δ (A − B): actual +17:30 · finish clock +3:30.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Walter | Peter | Δ |
|---|---|---|---|
| Start to Top of Stairs | 17:20 | 15:22 | +1:58 |
| Stairs to Windy Gap | 13:34 | 13:18 | +0:16 |
| Windy Gap to Muir Woods | 12:00 | 15:57 | -3:57 |
| Muir Woods to Cardiac | 59:42 | 52:04 | +7:38 |
| Cardiac to White Gate | 41:21 | 36:19 | +5:02 |
| White Gate to The Stile | 20:46 | 15:56 | +4:50 |
| The Stile to Finish | 5:14 | 3:31 | +1:43 |
Δ negative = Walter ran the segment faster.