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
OfficialJonathan M Bretan
#173 · 1:03:36 · M43 · Group X · INV
Wave start 8:22 AM (X-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; Jonathan (X-INV) started at 8:22 AM. That gave Jennifer a 11 minutes head start on Jonathan. On foot, Jennifer ran 1:14:31 and Jonathan ran 1:03:36 — Jonathan was 10:55 faster than Jennifer. Jennifer took official place 172nd (time-based 462nd) and Jonathan took official place 173rd (time-based 146th). Jennifer's head start was enough to flip the official order even though Jonathan was faster on foot. Biggest swing: Jonathan gained 3:05 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Jennifer J Foster (K-INV) started 11 min earlier than Jonathan (X-INV).
- Overall place Δ
- -1
- Actual time Δ
- +10:55
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 11 min (Jennifer earlier)
- Finish clock Δ
- -0:05
- Section place Δ
- -7
Δ = Jennifer − Jonathan. Negative means Jennifer is ahead/faster.
Race timeline
Computed- Jennifer (K-INV) started at 8:11 AM.
- Jonathan (X-INV) started at 8:22 AM, 11:00 later.
- Actual running time: Jonathan was 10:55 faster on foot than Jennifer.
- Finish clock: Jennifer crossed the line 0:05 ahead of Jonathan — Jennifer wins this head-to-head.
Δ (A − B): actual +10:55 · finish clock -0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jennifer | Jonathan | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:12 | 7:05 | +2:07 |
| Stairs to Windy Gap | 6:27 | 5:46 | +0:41 |
| Windy Gap to Muir Woods | 6:22 | 5:01 | +1:21 |
| Muir Woods to Cardiac | 27:18 | 24:13 | +3:05 |
| Cardiac to White Gate | 15:42 | 12:59 | +2:43 |
| White Gate to The Stile | 7:22 | 6:30 | +0:52 |
| The Stile to Finish | 2:08 | 2:02 | +0:06 |
Δ negative = Jennifer ran the segment faster.