Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialLaura McDonald
#1319 · 2:08:38 · F53 · Group J · DR
Wave start 8:37 AM (J-DR)
Athlete B
OfficialAnita Sparks
#1322 · 2:06:56 · F51 · Group L · DR
Wave start 8:39 AM (L-DR)
Interpretation
Laura (J-DR) started at 8:37 AM; Anita (L-DR) started at 8:39 AM. That gave Laura a 2 minutes head start on Anita. On foot, Laura ran 2:08:38 and Anita ran 2:06:56 — Anita was 1:42 faster than Laura. Laura took official place 1319th (time-based 1327th) and Anita took official place 1322nd (time-based 1318th). Laura's head start was enough to flip the official order even though Anita was faster on foot. Biggest swing: Anita gained 2:05 from Cardiac to White Gate.
Deltas
ComputedWave start
Laura McDonald (J-DR) started 2 min earlier than Anita (L-DR).
- Overall place Δ
- -3
- Actual time Δ
- +1:42
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 2 min (Laura earlier)
- Finish clock Δ
- -0:18
- Section place Δ
- -26
Δ = Laura − Anita. Negative means Laura is ahead/faster.
Race timeline
Computed- Laura (J-DR) started at 8:37 AM.
- Anita (L-DR) started at 8:39 AM, 2:00 later.
- Actual running time: Anita was 1:42 faster on foot than Laura.
- Finish clock: Laura crossed the line 0:18 ahead of Anita — Laura wins this head-to-head.
Δ (A − B): actual +1:42 · finish clock -0:18.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Laura | Anita | Δ |
|---|---|---|---|
| Start to Top of Stairs | 14:14 | 15:32 | -1:18 |
| Stairs to Windy Gap | 11:01 | 10:16 | +0:45 |
| Windy Gap to Muir Woods | 11:42 | 11:38 | +0:04 |
| Muir Woods to Cardiac | 42:11 | 43:33 | -1:22 |
| Cardiac to White Gate | 30:45 | 28:40 | +2:05 |
| White Gate to The Stile | 15:15 | 13:52 | +1:23 |
| The Stile to Finish | 3:30 | 3:25 | +0:05 |
Δ negative = Laura ran the segment faster.