Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJennifer J Foster
#172 · 1:14:31 · F52 · Group K · INV
Wave start 8:11 AM (K-INV)
Athlete B
OfficialRowan E Prindiville
#177 · 1:01:51 · M18 · Group Z · INV
Wave start 8:24 AM (Z-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
Jennifer (K-INV) started at 8:11 AM; Rowan (Z-INV) started at 8:24 AM. That gave Jennifer a 13 minutes head start on Rowan. On foot, Jennifer ran 1:14:31 and Rowan ran 1:01:51 — Rowan was 12:40 faster than Jennifer. Jennifer took official place 172nd (time-based 462nd) and Rowan took official place 177th (time-based 105th). Jennifer's head start was enough to flip the official order even though Rowan was faster on foot. Biggest swing: Rowan gained 3:09 from Cardiac to White Gate.
Deltas
ComputedWave start
Jennifer J Foster (K-INV) started 13 min earlier than Rowan (Z-INV).
- Overall place Δ
- -5
- Actual time Δ
- +12:40
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 13 min (Jennifer earlier)
- Finish clock Δ
- -0:20
- Section place Δ
- -16
Δ = Jennifer − Rowan. Negative means Jennifer is ahead/faster.
Race timeline
Computed- Jennifer (K-INV) started at 8:11 AM.
- Rowan (Z-INV) started at 8:24 AM, 13:00 later.
- Actual running time: Rowan was 12:40 faster on foot than Jennifer.
- Finish clock: Jennifer crossed the line 0:20 ahead of Rowan — Jennifer wins this head-to-head.
Δ (A − B): actual +12:40 · finish clock -0:20.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jennifer | Rowan | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:12 | 6:27 | +2:45 |
| Stairs to Windy Gap | 6:27 | 5:08 | +1:19 |
| Windy Gap to Muir Woods | 6:22 | 5:05 | +1:17 |
| Muir Woods to Cardiac | 27:18 | 24:48 | +2:30 |
| Cardiac to White Gate | 15:42 | 12:33 | +3:09 |
| White Gate to The Stile | 7:22 | 6:17 | +1:05 |
| The Stile to Finish | 2:08 | 1:33 | +0:35 |
Δ negative = Jennifer ran the segment faster.