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
OfficialRoy A Rivers
#170 · 1:19:28 · M69 · Group E · INV
Wave start 8:06 AM (E-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; Roy (E-INV) started at 8:06 AM. That gave Roy a 5 minutes head start on Jennifer. On foot, Jennifer ran 1:14:31 and Roy ran 1:19:28 — Jennifer was 4:57 faster than Roy. Jennifer took official place 172nd (time-based 462nd) and Roy took official place 170th (time-based 631st). Roy's head start was enough to flip the official order even though Jennifer was faster on foot. Biggest swing: Jennifer gained 4:27 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Roy A Rivers (E-INV) started 5 min earlier than Jennifer (K-INV).
- Overall place Δ
- +2
- Actual time Δ
- -4:57
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 5 min (Roy earlier)
- Finish clock Δ
- +0:03
- Section place Δ
- +2
Δ = Jennifer − Roy. Negative means Jennifer is ahead/faster.
Race timeline
Computed- Roy (E-INV) started at 8:06 AM.
- Jennifer (K-INV) started at 8:11 AM, 5:00 later.
- Actual running time: Jennifer was 4:57 faster on foot than Roy.
- Finish clock: Roy crossed the line 0:03 ahead of Jennifer — Roy wins this head-to-head.
Δ (A − B): actual -4:57 · finish clock +0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jennifer | Roy | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:12 | 10:07 | -0:55 |
| Stairs to Windy Gap | 6:27 | 7:28 | -1:01 |
| Windy Gap to Muir Woods | 6:22 | 6:08 | +0:14 |
| Muir Woods to Cardiac | 27:18 | 31:45 | -4:27 |
| Cardiac to White Gate | 15:42 | 14:40 | +1:02 |
| White Gate to The Stile | 7:22 | 7:06 | +0:16 |
| The Stile to Finish | 2:08 | 2:14 | -0:06 |
Δ negative = Jennifer ran the segment faster.