Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialBonnie A Sullivan
#1285 · 2:39:42 · F73 · Group AAA · INV
Wave start 8:00 AM (AAA-INV)
Athlete B
OfficialDebbie S Mallari
#1283 · 1:57:23 · F44 · Group N · DR
Wave start 8:41 AM (N-DR)
Interpretation
Bonnie (AAA-INV) started at 8:00 AM; Debbie (N-DR) started at 8:41 AM. That gave Bonnie a 41 minutes head start on Debbie because the Runner wave starts 27 minutes after the Invitational wave. On foot, Bonnie ran 2:39:42 and Debbie ran 1:57:23 — Debbie was 42:19 faster than Bonnie. Bonnie took official place 1285th (time-based 1377th) and Debbie took official place 1283rd (time-based 1276th). Debbie was faster on foot and finished ahead on the official clock too. Biggest swing: Debbie gained 15:08 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Bonnie A Sullivan (AAA-INV) started 41 min earlier than Debbie (N-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +2
- Actual time Δ
- +42:19
- Section gap Δ
- 27 min (Bonnie earlier)
- Wave start Δ
- 41 min (Bonnie earlier)
- Finish clock Δ
- +1:19
- Section place Δ
- —
Δ = Bonnie − Debbie. Negative means Bonnie is ahead/faster.
Race timeline
Computed- Bonnie (AAA-INV) started at 8:00 AM.
- Debbie (N-DR) started at 8:41 AM, 41:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Debbie was 42:19 faster on foot than Bonnie.
- Finish clock: Debbie crossed the line 1:19 ahead of Bonnie — Debbie wins this head-to-head.
Δ (A − B): actual +42:19 · finish clock +1:19.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Bonnie | Debbie | Δ |
|---|---|---|---|
| Start to Top of Stairs | 18:32 | 12:41 | +5:51 |
| Stairs to Windy Gap | 13:47 | 10:03 | +3:44 |
| Windy Gap to Muir Woods | 13:45 | 9:29 | +4:16 |
| Muir Woods to Cardiac | 58:44 | 43:36 | +15:08 |
| Cardiac to White Gate | 33:23 | 24:09 | +9:14 |
| White Gate to The Stile | 17:15 | 14:14 | +3:01 |
| The Stile to Finish | 4:16 | 3:11 | +1:05 |
Δ negative = Bonnie ran the segment faster.