Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJeff D Perkins
#1209 · 1:44:48 · M56 · Group R · DR
Wave start 8:44 AM (R-DR)
Athlete B
OfficialChristopher Londraville-Collins
#1210 · 1:40:52 · M46 · Group W · DR
Wave start 8:48 AM (W-DR)
Interpretation
Jeff (R-DR) started at 8:44 AM; Christopher (W-DR) started at 8:48 AM. That gave Jeff a 4 minutes head start on Christopher. On foot, Jeff ran 1:44:48 and Christopher ran 1:40:52 — Christopher was 3:56 faster than Jeff. Jeff took official place 1209th (time-based 1162nd) and Christopher took official place 1210th (time-based 1109th). 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 = Jeff − Christopher. Negative means Jeff 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 | Jeff | Christopher | Δ |
|---|---|---|---|
| Start to Top of Stairs | 11:23 | 11:05 | +0:18 |
| Stairs to Windy Gap | 8:58 | 8:43 | +0:15 |
| Windy Gap to Muir Woods | 7:47 | 7:54 | -0:07 |
| Muir Woods to Cardiac | 41:57 | 38:49 | +3:08 |
| Cardiac to White Gate | 20:59 | 20:57 | +0:02 |
| White Gate to The Stile | 10:52 | 10:39 | +0:13 |
| The Stile to Finish | 2:52 | 2:45 | +0:07 |
Δ negative = Jeff ran the segment faster.