Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJonathan S Thorpe
#817 · 1:23:31 · M53 · Group U · DR
Wave start 8:46 AM (U-DR)
Athlete B
OfficialThomas G Sprankling
#812 · 1:19:14 · M40 · Group Y · DR
Wave start 8:50 AM (Y-DR)
Interpretation
Jonathan (U-DR) started at 8:46 AM; Thomas (Y-DR) started at 8:50 AM. That gave Jonathan a 4 minutes head start on Thomas. On foot, Jonathan ran 1:23:31 and Thomas ran 1:19:14 — Thomas was 4:17 faster than Jonathan. Jonathan took official place 817th (time-based 756th) and Thomas took official place 812th (time-based 624th). Thomas was faster on foot and finished ahead on the official clock too. Biggest swing: Thomas gained 3:59 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Jonathan S Thorpe (U-DR) started 4 min earlier than Thomas (Y-DR).
- Overall place Δ
- +5
- Actual time Δ
- +4:17
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 4 min (Jonathan earlier)
- Finish clock Δ
- +0:17
- Section place Δ
- -23
Δ = Jonathan − Thomas. Negative means Jonathan is ahead/faster.
Race timeline
Computed- Jonathan (U-DR) started at 8:46 AM.
- Thomas (Y-DR) started at 8:50 AM, 4:00 later.
- Actual running time: Thomas was 4:17 faster on foot than Jonathan.
- Finish clock: Thomas crossed the line 0:17 ahead of Jonathan — Thomas wins this head-to-head.
Δ (A − B): actual +4:17 · finish clock +0:17.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jonathan | Thomas | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:02 | 8:59 | +1:03 |
| Stairs to Windy Gap | 7:23 | 6:33 | +0:50 |
| Windy Gap to Muir Woods | 6:15 | 7:15 | -1:00 |
| Muir Woods to Cardiac | 32:47 | 28:48 | +3:59 |
| Cardiac to White Gate | 16:36 | 17:29 | -0:53 |
| White Gate to The Stile | 8:09 | 8:05 | +0:04 |
| The Stile to Finish | 2:19 | 2:05 | +0:14 |
Δ negative = Jonathan ran the segment faster.