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
OfficialChris Lundy
#1 · 1:00:42 · F55 · Group J · INV
Wave start 8:10 AM (J-INV)
Interpretation
Bonnie (AAA-INV) started at 8:00 AM; Chris (J-INV) started at 8:10 AM. That gave Bonnie a 10 minutes head start on Chris. On foot, Bonnie ran 2:39:42 and Chris ran 1:00:42 — Chris was 1:39:00 faster than Bonnie. Bonnie took official place 1285th (time-based 1377th) and Chris took official place 1st (time-based 71st). Chris was faster on foot and finished ahead on the official clock too. Biggest swing: Chris gained 36:34 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Bonnie A Sullivan (AAA-INV) started 10 min earlier than Chris (J-INV).
- Overall place Δ
- +1284
- Actual time Δ
- +1:39:00
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Bonnie earlier)
- Finish clock Δ
- +1:29:00
- Section place Δ
- +12
Δ = Bonnie − Chris. Negative means Bonnie is ahead/faster.
Race timeline
Computed- Bonnie (AAA-INV) started at 8:00 AM.
- Chris (J-INV) started at 8:10 AM, 10:00 later.
- Actual running time: Chris was 1:39:00 faster on foot than Bonnie.
- Finish clock: Chris crossed the line 1:29:00 ahead of Bonnie — Chris wins this head-to-head.
Δ (A − B): actual +1:39:00 · finish clock +1:29:00.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Bonnie | Chris | Δ |
|---|---|---|---|
| Start to Top of Stairs | 18:32 | 7:31 | +11:01 |
| Stairs to Windy Gap | 13:47 | 5:35 | +8:12 |
| Windy Gap to Muir Woods | 13:45 | 5:25 | +8:20 |
| Muir Woods to Cardiac | 58:44 | 22:10 | +36:34 |
| Cardiac to White Gate | 33:23 | 12:14 | +21:09 |
| White Gate to The Stile | 17:15 | 5:57 | +11:18 |
| The Stile to Finish | 4:16 | 1:50 | +2:26 |
Δ negative = Bonnie ran the segment faster.