Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialChristopher Londraville-Collins
#1210 · 1:40:52 · M46 · Group W · DR
Wave start 8:48 AM (W-DR)
Athlete B
OfficialJeff D Perkins
#1209 · 1:44:48 · M56 · Group R · DR
Wave start 8:44 AM (R-DR)
Interpretation
Christopher (W-DR) started at 8:48 AM; Jeff (R-DR) started at 8:44 AM. That gave Jeff a 4 minutes head start on Christopher. On foot, Christopher ran 1:40:52 and Jeff ran 1:44:48 — Christopher was 3:56 faster than Jeff. Christopher took official place 1210th (time-based 1109th) and Jeff took official place 1209th (time-based 1162nd). Jeff's head start was enough to flip the official order even though Christopher was faster on foot. Biggest swing: Christopher gained 3:08 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Jeff D Perkins (R-DR) started 4 min earlier than Christopher (W-DR).
- Overall place Δ
- +1
- Actual time Δ
- -3:56
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Jeff earlier)
- Finish clock Δ
- +0:04
- Section place Δ
- +31
Δ = Christopher − Jeff. Negative means Christopher is ahead/faster.
Race timeline
Computed- Jeff (R-DR) started at 8:44 AM.
- Christopher (W-DR) started at 8:48 AM, 4:00 later.
- Actual running time: Christopher was 3:56 faster on foot than Jeff.
- Finish clock: Jeff crossed the line 0:04 ahead of Christopher — Jeff wins this head-to-head.
Δ (A − B): actual -3:56 · finish clock +0:04.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Christopher | Jeff | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:05 | 11:23 | -0:18 |
| Stairs to Windy Gap | 8:43 | 8:58 | -0:15 |
| Windy Gap to Muir Woods | 7:54 | 7:47 | +0:07 |
| Muir Woods to Cardiac | 38:49 | 41:57 | -3:08 |
| Cardiac to White Gate | 20:57 | 20:59 | -0:02 |
| White Gate to The Stile | 10:39 | 10:52 | -0:13 |
| The Stile to Finish | 2:45 | 2:52 | -0:07 |
Δ negative = Christopher ran the segment faster.