Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialChristopher Cooney
#433 · 1:15:42 · M51 · Group U · INV
Wave start 8:19 AM (U-INV)
Athlete B
OfficialGretchen Andrus
#430 · 1:18:35 · F38 · Group Q · INV
Wave start 8:16 AM (Q-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
Christopher (U-INV) started at 8:19 AM; Gretchen (Q-INV) started at 8:16 AM. That gave Gretchen a 3 minutes head start on Christopher. On foot, Christopher ran 1:15:42 and Gretchen ran 1:18:35 — Christopher was 2:53 faster than Gretchen. Christopher took official place 433rd (time-based 511th) and Gretchen took official place 430th (time-based 595th). Gretchen's head start was enough to flip the official order even though Christopher was faster on foot. Biggest swing: Christopher gained 1:52 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Gretchen Andrus (Q-INV) started 3 min earlier than Christopher (U-INV).
- Overall place Δ
- +3
- Actual time Δ
- -2:53
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Gretchen earlier)
- Finish clock Δ
- +0:07
- Section place Δ
- -21
Δ = Christopher − Gretchen. Negative means Christopher is ahead/faster.
Race timeline
Computed- Gretchen (Q-INV) started at 8:16 AM.
- Christopher (U-INV) started at 8:19 AM, 3:00 later.
- Actual running time: Christopher was 2:53 faster on foot than Gretchen.
- Finish clock: Gretchen crossed the line 0:07 ahead of Christopher — Gretchen wins this head-to-head.
Δ (A − B): actual -2:53 · finish clock +0:07.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Christopher | Gretchen | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:52 | 8:43 | +0:09 |
| Stairs to Windy Gap | 6:31 | 7:04 | -0:33 |
| Windy Gap to Muir Woods | 5:53 | 6:27 | -0:34 |
| Muir Woods to Cardiac | 28:11 | 30:03 | -1:52 |
| Cardiac to White Gate | 16:32 | 16:38 | -0:06 |
| White Gate to The Stile | 7:40 | 7:33 | +0:07 |
| The Stile to Finish | 2:03 | 2:07 | -0:04 |
Δ negative = Christopher ran the segment faster.