Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialKatherine D Ciaschini
#752 · 1:34:27 · F9 · Group D · DR
Wave start 8:32 AM (D-DR)
Athlete B
OfficialBrian A Matthay
#753 · 1:17:31 · M44 · Group X · DR
Wave start 8:49 AM (X-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
Katherine (D-DR) started at 8:32 AM; Brian (X-DR) started at 8:49 AM. That gave Katherine a 17 minutes head start on Brian. On foot, Katherine ran 1:34:27 and Brian ran 1:17:31 — Brian was 16:56 faster than Katherine. Katherine took official place 752nd (time-based 996th) and Brian took official place 753rd (time-based 569th). Katherine's head start was enough to flip the official order even though Brian was faster on foot. Biggest swing: Brian gained 5:24 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Katherine D Ciaschini (D-DR) started 17 min earlier than Brian (X-DR).
- Overall place Δ
- -1
- Actual time Δ
- +16:56
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 17 min (Katherine earlier)
- Finish clock Δ
- -0:04
- Section place Δ
- -10
Δ = Katherine − Brian. Negative means Katherine is ahead/faster.
Race timeline
Computed- Katherine (D-DR) started at 8:32 AM.
- Brian (X-DR) started at 8:49 AM, 17:00 later.
- Actual running time: Brian was 16:56 faster on foot than Katherine.
- Finish clock: Katherine crossed the line 0:04 ahead of Brian — Katherine wins this head-to-head.
Δ (A − B): actual +16:56 · finish clock -0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Katherine | Brian | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:08 | 8:36 | +1:32 |
| Stairs to Windy Gap | 8:00 | 6:45 | +1:15 |
| Windy Gap to Muir Woods | 7:31 | 6:38 | +0:53 |
| Muir Woods to Cardiac | 35:57 | 30:33 | +5:24 |
| Cardiac to White Gate | 19:51 | 15:07 | +4:44 |
| White Gate to The Stile | 9:56 | 7:50 | +2:06 |
| The Stile to Finish | 3:04 | 2:02 | +1:02 |
Δ negative = Katherine ran the segment faster.