Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialJerry Klein
#1248 · 1:43:05 · M39 · Group Y · DR
Wave start 8:50 AM (Y-DR)
Athlete B
OfficialSonia Collins
#1251 · 1:53:21 · F45 · Group M · DR
Wave start 8:40 AM (M-DR)
Interpretation
Jerry (Y-DR) started at 8:50 AM; Sonia (M-DR) started at 8:40 AM. That gave Sonia a 10 minutes head start on Jerry. On foot, Jerry ran 1:43:05 and Sonia ran 1:53:21 — Jerry was 10:16 faster than Sonia. Jerry took official place 1248th (time-based 1139th) and Sonia took official place 1251st (time-based 1251st). Jerry was faster on foot and finished ahead on the official clock too. Biggest swing: Jerry gained 4:22 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Sonia Collins (M-DR) started 10 min earlier than Jerry (Y-DR).
- Overall place Δ
- -3
- Actual time Δ
- -10:16
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 10 min (Sonia earlier)
- Finish clock Δ
- -0:16
- Section place Δ
- +53
Δ = Jerry − Sonia. Negative means Jerry is ahead/faster.
Race timeline
Computed- Sonia (M-DR) started at 8:40 AM.
- Jerry (Y-DR) started at 8:50 AM, 10:00 later.
- Actual running time: Jerry was 10:16 faster on foot than Sonia.
- Finish clock: Jerry crossed the line 0:16 ahead of Sonia — Jerry wins this head-to-head.
Δ (A − B): actual -10:16 · finish clock -0:16.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Jerry | Sonia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 10:56 | 11:36 | -0:40 |
| Stairs to Windy Gap | 8:47 | 10:07 | -1:20 |
| Windy Gap to Muir Woods | 11:09 | 9:43 | +1:26 |
| Muir Woods to Cardiac | 37:23 | 41:45 | -4:22 |
| Cardiac to White Gate | 21:42 | 25:15 | -3:33 |
| White Gate to The Stile | 10:53 | 12:08 | -1:15 |
| The Stile to Finish | 2:15 | 2:47 | -0:32 |
Δ negative = Jerry ran the segment faster.