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
OfficialJill S Waters
#1393 · 2:53:12 · F61 · Group D · DR
Wave start 8:32 AM (D-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; Jill (D-DR) started at 8:32 AM. That gave Walter a 5 minutes head start on Jill. On foot, Walter ran 2:49:57 and Jill ran 2:53:12 — Walter was 3:15 faster than Jill. Walter took official place 1388th (time-based 1385th) and Jill took official place 1393rd (time-based 1388th). Walter was faster on foot and finished ahead on the official clock too. Biggest swing: Walter gained 4:26 from Windy Gap to Muir Woods.
Deltas
ComputedWave start
Walter W Underhill (AAA-DR) started 5 min earlier than Jill (D-DR).
- Overall place Δ
- -5
- Actual time Δ
- -3:15
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Walter earlier)
- Finish clock Δ
- -8:15
- Section place Δ
- +14
Δ = Walter − Jill. Negative means Walter is ahead/faster.
Race timeline
Computed- Walter (AAA-DR) started at 8:27 AM.
- Jill (D-DR) started at 8:32 AM, 5:00 later.
- Actual running time: Walter was 3:15 faster on foot than Jill.
- Finish clock: Walter crossed the line 8:15 ahead of Jill — Walter wins this head-to-head.
Δ (A − B): actual -3:15 · finish clock -8:15.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Walter | Jill | Δ |
|---|---|---|---|
| Start to Top of Stairs | 17:20 | 16:29 | +0:51 |
| Stairs to Windy Gap | 13:34 | 13:51 | -0:17 |
| Windy Gap to Muir Woods | 12:00 | 16:26 | -4:26 |
| Muir Woods to Cardiac | 59:42 | 58:13 | +1:29 |
| Cardiac to White Gate | 41:21 | 40:26 | +0:55 |
| White Gate to The Stile | 20:46 | 22:04 | -1:18 |
| The Stile to Finish | 5:14 | 5:43 | -0:29 |
Δ negative = Walter ran the segment faster.