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
OfficialPark W Allen
#712 · 1:19:30 · M54 · Group T · DR
Wave start 8:45 AM (T-DR)
Interpretation
John (Z-DR) started at 8:51 AM; Park (T-DR) started at 8:45 AM. That gave Park a 6 minutes head start on John. On foot, John ran 1:13:27 and Park ran 1:19:30 — John was 6:03 faster than Park. John took official place 710th (time-based 435th) and Park took official place 712th (time-based 633rd). John was faster on foot and finished ahead on the official clock too. Biggest swing: John gained 3:54 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Park W Allen (T-DR) started 6 min earlier than John (Z-DR).
- Overall place Δ
- -2
- Actual time Δ
- -6:03
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 6 min (Park earlier)
- Finish clock Δ
- -0:03
- Section place Δ
- +13
Δ = John − Park. Negative means John is ahead/faster.
Race timeline
Computed- Park (T-DR) started at 8:45 AM.
- John (Z-DR) started at 8:51 AM, 6:00 later.
- Actual running time: John was 6:03 faster on foot than Park.
- Finish clock: John crossed the line 0:03 ahead of Park — John wins this head-to-head.
Δ (A − B): actual -6:03 · finish clock -0:03.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | John | Park | Δ |
|---|---|---|---|
| Start to Top of Stairs | 8:35 | 9:12 | -0:37 |
| Stairs to Windy Gap | 6:32 | 6:38 | -0:06 |
| Windy Gap to Muir Woods | 6:41 | 6:50 | -0:09 |
| Muir Woods to Cardiac | 27:05 | 30:59 | -3:54 |
| Cardiac to White Gate | 14:56 | 16:06 | -1:10 |
| White Gate to The Stile | 7:29 | 7:35 | -0:06 |
| The Stile to Finish | 2:09 | 2:10 | -0:01 |
Δ negative = John ran the segment faster.