Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJohn Aitchison
#710 · 1:13:27 · M31 · Group Z · DR
Wave start 8:51 AM (Z-DR)
Athlete B
OfficialDoug Regner
#708 · 1:16:26 · M46 · Group W · DR
Wave start 8:48 AM (W-DR)
Interpretation
John (Z-DR) started at 8:51 AM; Doug (W-DR) started at 8:48 AM. That gave Doug a 3 minutes head start on John. On foot, John ran 1:13:27 and Doug ran 1:16:26 — John was 2:59 faster than Doug. John took official place 710th (time-based 435th) and Doug took official place 708th (time-based 538th). Doug's head start was enough to flip the official order even though John was faster on foot. Biggest swing: John gained 3:34 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Doug Regner (W-DR) started 3 min earlier than John (Z-DR).
- Overall place Δ
- +2
- Actual time Δ
- -2:59
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 3 min (Doug earlier)
- Finish clock Δ
- +0:01
- Section place Δ
- +8
Δ = John − Doug. Negative means John is ahead/faster.
Race timeline
Computed- Doug (W-DR) started at 8:48 AM.
- John (Z-DR) started at 8:51 AM, 3:00 later.
- Actual running time: John was 2:59 faster on foot than Doug.
- Finish clock: Doug crossed the line 0:01 ahead of John — Doug wins this head-to-head.
Δ (A − B): actual -2:59 · finish clock +0:01.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | John | Doug | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:35 | 8:56 | -0:21 |
| Stairs to Windy Gap | 6:32 | 7:00 | -0:28 |
| Windy Gap to Muir Woods | 6:41 | 6:09 | +0:32 |
| Muir Woods to Cardiac | 27:05 | 30:39 | -3:34 |
| Cardiac to White Gate | 14:56 | 14:44 | +0:12 |
| White Gate to The Stile | 7:29 | 7:04 | +0:25 |
| The Stile to Finish | 2:09 | 1:54 | +0:15 |
Δ negative = John ran the segment faster.