Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialOlivia J Skiles
#1009 · 1:35:46 · F19 · Group N · DR
Wave start 8:41 AM (N-DR)
Athlete B
OfficialAmy Dibble
#1006 · 1:34:42 · F41 · Group P · DR
Wave start 8:42 AM (P-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
Olivia (N-DR) started at 8:41 AM; Amy (P-DR) started at 8:42 AM. That gave Olivia a 1 minute head start on Amy. On foot, Olivia ran 1:35:46 and Amy ran 1:34:42 — Amy was 1:04 faster than Olivia. Olivia took official place 1009th (time-based 1029th) and Amy took official place 1006th (time-based 1003rd). Amy was faster on foot and finished ahead on the official clock too. Biggest swing: Amy gained 0:32 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Olivia J Skiles (N-DR) started 1 min earlier than Amy (P-DR).
- Overall place Δ
- +3
- Actual time Δ
- +1:04
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Olivia earlier)
- Finish clock Δ
- +0:04
- Section place Δ
- -7
Δ = Olivia − Amy. Negative means Olivia is ahead/faster.
Race timeline
Computed- Olivia (N-DR) started at 8:41 AM.
- Amy (P-DR) started at 8:42 AM, 1:00 later.
- Actual running time: Amy was 1:04 faster on foot than Olivia.
- Finish clock: Amy crossed the line 0:04 ahead of Olivia — Amy wins this head-to-head.
Δ (A − B): actual +1:04 · finish clock +0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Olivia | Amy | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:53 | 10:51 | +1:02 |
| Stairs to Windy Gap | 8:11 | 8:25 | -0:14 |
| Windy Gap to Muir Woods | 7:21 | 7:22 | -0:01 |
| Muir Woods to Cardiac | 37:21 | 36:49 | +0:32 |
| Cardiac to White Gate | 19:05 | 19:17 | -0:12 |
| White Gate to The Stile | 9:24 | 9:16 | +0:08 |
| The Stile to Finish | 2:31 | 2:42 | -0:11 |
Δ negative = Olivia ran the segment faster.