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
OfficialEdward R Owens
#2 · 48:29 · M32 · Group Z · INV
Wave start 8:24 AM (Z-INV)
Interpretation
Bonnie (AAA-INV) started at 8:00 AM; Edward (Z-INV) started at 8:24 AM. That gave Bonnie a 24 minutes head start on Edward. On foot, Bonnie ran 2:39:42 and Edward ran 48:29 — Edward was 1:51:13 faster than Bonnie. Bonnie took official place 1285th (time-based 1377th) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 40:52 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Bonnie A Sullivan (AAA-INV) started 24 min earlier than Edward (Z-INV).
- Overall place Δ
- +1283
- Actual time Δ
- +1:51:13
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 24 min (Bonnie earlier)
- Finish clock Δ
- +1:27:13
- Section place Δ
- +12
Δ = Bonnie − Edward. Negative means Bonnie is ahead/faster.
Race timeline
Computed- Bonnie (AAA-INV) started at 8:00 AM.
- Edward (Z-INV) started at 8:24 AM, 24:00 later.
- Actual running time: Edward was 1:51:13 faster on foot than Bonnie.
- Finish clock: Edward crossed the line 1:27:13 ahead of Bonnie — Edward wins this head-to-head.
Δ (A − B): actual +1:51:13 · finish clock +1:27:13.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Bonnie | Edward | Δ |
|---|---|---|---|
| Start to Top of Stairs | 18:32 | 5:48 | +12:44 |
| Stairs to Windy Gap | 13:47 | 4:17 | +9:30 |
| Windy Gap to Muir Woods | 13:45 | 4:16 | +9:29 |
| Muir Woods to Cardiac | 58:44 | 17:52 | +40:52 |
| Cardiac to White Gate | 33:23 | 9:40 | +23:43 |
| White Gate to The Stile | 17:15 | 5:03 | +12:12 |
| The Stile to Finish | 4:16 | 1:33 | +2:43 |
Δ negative = Bonnie ran the segment faster.