Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialClifton D Schaller
#1282 · 1:47:54 · M38 · Group Y · DR
Wave start 8:50 AM (Y-DR)
Athlete B
OfficialBonnie A Sullivan
#1285 · 2:39:42 · F73 · Group AAA · INV
Wave start 8:00 AM (AAA-INV)
Interpretation
Clifton (Y-DR) started at 8:50 AM; Bonnie (AAA-INV) started at 8:00 AM. That gave Bonnie a 50 minutes head start on Clifton because the Runner wave starts 27 minutes after the Invitational wave. On foot, Clifton ran 1:47:54 and Bonnie ran 2:39:42 — Clifton was 51:48 faster than Bonnie. Clifton took official place 1282nd (time-based 1207th) and Bonnie took official place 1285th (time-based 1377th). Clifton was faster on foot and finished ahead on the official clock too. Biggest swing: Clifton gained 18:04 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Bonnie A Sullivan (AAA-INV) started 50 min earlier than Clifton (Y-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- -3
- Actual time Δ
- -51:48
- Section gap Δ
- 27 min (Bonnie earlier)
- Wave start Δ
- 50 min (Bonnie earlier)
- Finish clock Δ
- -1:48
- Section place Δ
- —
Δ = Clifton − Bonnie. Negative means Clifton is ahead/faster.
Race timeline
Computed- Bonnie (AAA-INV) started at 8:00 AM.
- Clifton (Y-DR) started at 8:50 AM, 50:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Clifton was 51:48 faster on foot than Bonnie.
- Finish clock: Clifton crossed the line 1:48 ahead of Bonnie — Clifton wins this head-to-head.
Δ (A − B): actual -51:48 · finish clock -1:48.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Clifton | Bonnie | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:07 | 18:32 | -7:25 |
| Stairs to Windy Gap | 9:07 | 13:47 | -4:40 |
| Windy Gap to Muir Woods | 8:40 | 13:45 | -5:05 |
| Muir Woods to Cardiac | 40:40 | 58:44 | -18:04 |
| Cardiac to White Gate | 23:05 | 33:23 | -10:18 |
| White Gate to The Stile | 11:52 | 17:15 | -5:23 |
| The Stile to Finish | 3:23 | 4:16 | -0:53 |
Δ negative = Clifton ran the segment faster.