Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialLisa Y Katz
#1184 · 1:47:17 · F50 · Group L · DR
Wave start 8:39 AM (L-DR)
Athlete B
OfficialEllery Chou
#1179 · 1:48:06 · F11 · Group K · DR
Wave start 8:38 AM (K-DR)
Interpretation
Lisa (L-DR) started at 8:39 AM; Ellery (K-DR) started at 8:38 AM. That gave Ellery a 1 minute head start on Lisa. On foot, Lisa ran 1:47:17 and Ellery ran 1:48:06 — Lisa was 0:49 faster than Ellery. Lisa took official place 1184th (time-based 1200th) and Ellery took official place 1179th (time-based 1210th). Ellery's head start was enough to flip the official order even though Lisa was faster on foot. Biggest swing: Lisa gained 5:18 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Ellery Chou (K-DR) started 1 min earlier than Lisa (L-DR).
- Overall place Δ
- +5
- Actual time Δ
- -0:49
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 1 min (Ellery earlier)
- Finish clock Δ
- +0:11
- Section place Δ
- +13
Δ = Lisa − Ellery. Negative means Lisa is ahead/faster.
Race timeline
Computed- Ellery (K-DR) started at 8:38 AM.
- Lisa (L-DR) started at 8:39 AM, 1:00 later.
- Actual running time: Lisa was 0:49 faster on foot than Ellery.
- Finish clock: Ellery crossed the line 0:11 ahead of Lisa — Ellery wins this head-to-head.
Δ (A − B): actual -0:49 · finish clock +0:11.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Lisa | Ellery | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:42 | 11:05 | +0:37 |
| Stairs to Windy Gap | 9:02 | 9:20 | -0:18 |
| Windy Gap to Muir Woods | 10:38 | 9:42 | +0:56 |
| Muir Woods to Cardiac | 35:43 | 41:01 | -5:18 |
| Cardiac to White Gate | 25:58 | 23:41 | +2:17 |
| White Gate to The Stile | 11:16 | 10:33 | +0:43 |
| The Stile to Finish | 2:58 | 2:44 | +0:14 |
Δ negative = Lisa ran the segment faster.