Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialAndrew P Davis
#343 · 1:11:34 · M48 · Group V · INV
Wave start 8:20 AM (V-INV)
Athlete B
OfficialJaclyn E Blumberg
#338 · 1:18:24 · F46 · Group M · INV
Wave start 8:13 AM (M-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
Andrew (V-INV) started at 8:20 AM; Jaclyn (M-INV) started at 8:13 AM. That gave Jaclyn a 7 minutes head start on Andrew. On foot, Andrew ran 1:11:34 and Jaclyn ran 1:18:24 — Andrew was 6:50 faster than Jaclyn. Andrew took official place 343rd (time-based 374th) and Jaclyn took official place 338th (time-based 590th). Jaclyn's head start was enough to flip the official order even though Andrew was faster on foot. Biggest swing: Andrew gained 3:00 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Jaclyn E Blumberg (M-INV) started 7 min earlier than Andrew (V-INV).
- Overall place Δ
- +5
- Actual time Δ
- -6:50
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (Jaclyn earlier)
- Finish clock Δ
- +0:10
- Section place Δ
- +3
Δ = Andrew − Jaclyn. Negative means Andrew is ahead/faster.
Race timeline
Computed- Jaclyn (M-INV) started at 8:13 AM.
- Andrew (V-INV) started at 8:20 AM, 7:00 later.
- Actual running time: Andrew was 6:50 faster on foot than Jaclyn.
- Finish clock: Jaclyn crossed the line 0:10 ahead of Andrew — Jaclyn wins this head-to-head.
Δ (A − B): actual -6:50 · finish clock +0:10.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Andrew | Jaclyn | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:23 | 9:05 | -0:42 |
| Stairs to Windy Gap | 6:10 | 6:57 | -0:47 |
| Windy Gap to Muir Woods | 5:38 | 6:29 | -0:51 |
| Muir Woods to Cardiac | 27:21 | 30:21 | -3:00 |
| Cardiac to White Gate | 14:32 | 15:48 | -1:16 |
| White Gate to The Stile | 7:26 | 7:39 | -0:13 |
| The Stile to Finish | 2:04 | 2:05 | -0:01 |
Δ negative = Andrew ran the segment faster.