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
OfficialMark Vaughn
#756 · 1:18:37 · M47 · Group W · DR
Wave start 8:48 AM (W-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; Mark (W-DR) started at 8:48 AM. That gave Judi a 21 minutes head start on Mark. On foot, Judi ran 1:39:40 and Mark ran 1:18:37 — Mark was 21:03 faster than Judi. Judi took official place 759th (time-based 1089th) and Mark took official place 756th (time-based 597th). Mark was faster on foot and finished ahead on the official clock too. Biggest swing: Mark gained 7:05 from Cardiac to White Gate.
Deltas
ComputedWave start
Judi N Shaffer (AAA-DR) started 21 min earlier than Mark (W-DR).
- Overall place Δ
- +3
- Actual time Δ
- +21:03
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 21 min (Judi earlier)
- Finish clock Δ
- +0:03
- Section place Δ
- -11
Δ = Judi − Mark. Negative means Judi is ahead/faster.
Race timeline
Computed- Judi (AAA-DR) started at 8:27 AM.
- Mark (W-DR) started at 8:48 AM, 21:00 later.
- Actual running time: Mark was 21:03 faster on foot than Judi.
- Finish clock: Mark crossed the line 0:03 ahead of Judi — Mark wins this head-to-head.
Δ (A − B): actual +21:03 · finish clock +0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Judi | Mark | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:09 | 10:03 | +1:06 |
| Stairs to Windy Gap | 8:18 | 6:45 | +1:33 |
| Windy Gap to Muir Woods | 8:17 | 6:12 | +2:05 |
| Muir Woods to Cardiac | 36:22 | 30:19 | +6:03 |
| Cardiac to White Gate | 22:32 | 15:27 | +7:05 |
| White Gate to The Stile | 10:01 | 7:39 | +2:22 |
| The Stile to Finish | 3:01 | 2:12 | +0:49 |
Δ negative = Judi ran the segment faster.