Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJudi N Shaffer
#759 · 1:39:40 · F66 · Group AAA · DR
Wave start 8:27 AM (AAA-DR)
Athlete B
OfficialMike Duboe
#755 · 1:16:35 · M41 · Group Y · DR
Wave start 8:50 AM (Y-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
Judi (AAA-DR) started at 8:27 AM; Mike (Y-DR) started at 8:50 AM. That gave Judi a 23 minutes head start on Mike. On foot, Judi ran 1:39:40 and Mike ran 1:16:35 — Mike was 23:05 faster than Judi. Judi took official place 759th (time-based 1089th) and Mike took official place 755th (time-based 541st). Mike was faster on foot and finished ahead on the official clock too. Biggest swing: Mike gained 7:54 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Judi N Shaffer (AAA-DR) started 23 min earlier than Mike (Y-DR).
- Overall place Δ
- +4
- Actual time Δ
- +23:05
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 23 min (Judi earlier)
- Finish clock Δ
- +0:05
- Section place Δ
- -33
Δ = Judi − Mike. Negative means Judi is ahead/faster.
Race timeline
Computed- Judi (AAA-DR) started at 8:27 AM.
- Mike (Y-DR) started at 8:50 AM, 23:00 later.
- Actual running time: Mike was 23:05 faster on foot than Judi.
- Finish clock: Mike crossed the line 0:05 ahead of Judi — Mike wins this head-to-head.
Δ (A − B): actual +23:05 · finish clock +0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Judi | Mike | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:09 | 8:21 | +2:48 |
| Stairs to Windy Gap | 8:18 | 6:17 | +2:01 |
| Windy Gap to Muir Woods | 8:17 | 7:26 | +0:51 |
| Muir Woods to Cardiac | 36:22 | 28:28 | +7:54 |
| Cardiac to White Gate | 22:32 | 16:27 | +6:05 |
| White Gate to The Stile | 10:01 | 7:40 | +2:21 |
| The Stile to Finish | 3:01 | 1:56 | +1:05 |
Δ negative = Judi ran the segment faster.