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
OfficialJulia R Maxwell Bailey
#3 · 57:02 · F30 · Group Q · INV
Wave start 8:16 AM (Q-INV)
Interpretation
Bonnie (AAA-INV) started at 8:00 AM; Julia (Q-INV) started at 8:16 AM. That gave Bonnie a 16 minutes head start on Julia. On foot, Bonnie ran 2:39:42 and Julia ran 57:02 — Julia was 1:42:40 faster than Bonnie. Bonnie took official place 1285th (time-based 1377th) and Julia took official place 3rd (time-based 32nd). Julia was faster on foot and finished ahead on the official clock too. Biggest swing: Julia gained 38:18 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Bonnie A Sullivan (AAA-INV) started 16 min earlier than Julia (Q-INV).
- Overall place Δ
- +1282
- Actual time Δ
- +1:42:40
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 16 min (Bonnie earlier)
- Finish clock Δ
- +1:26:40
- Section place Δ
- +12
Δ = Bonnie − Julia. Negative means Bonnie is ahead/faster.
Race timeline
Computed- Bonnie (AAA-INV) started at 8:00 AM.
- Julia (Q-INV) started at 8:16 AM, 16:00 later.
- Actual running time: Julia was 1:42:40 faster on foot than Bonnie.
- Finish clock: Julia crossed the line 1:26:40 ahead of Bonnie — Julia wins this head-to-head.
Δ (A − B): actual +1:42:40 · finish clock +1:26:40.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Bonnie | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 18:32 | 6:46 | +11:46 |
| Stairs to Windy Gap | 13:47 | 5:03 | +8:44 |
| Windy Gap to Muir Woods | 13:45 | 5:20 | +8:25 |
| Muir Woods to Cardiac | 58:44 | 20:26 | +38:18 |
| Cardiac to White Gate | 33:23 | 11:52 | +21:31 |
| White Gate to The Stile | 17:15 | 5:54 | +11:21 |
| The Stile to Finish | 4:16 | 1:41 | +2:35 |
Δ negative = Bonnie ran the segment faster.