Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDoreen L Reed
#1333 · 2:20:26 · F65 · Group AA · DR
Wave start 8:28 AM (AA-DR)
Athlete B
OfficialRobert (Bob) F Knox
#1332 · 2:48:09 · M80 · Group AAA · INV
Wave start 8:00 AM (AAA-INV)
Interpretation
Doreen (AA-DR) started at 8:28 AM; Robert (Bob) (AAA-INV) started at 8:00 AM. That gave Robert (Bob) a 28 minutes head start on Doreen because the Runner wave starts 27 minutes after the Invitational wave. On foot, Doreen ran 2:20:26 and Robert (Bob) ran 2:48:09 — Doreen was 27:43 faster than Robert (Bob). Doreen took official place 1333rd (time-based 1354th) and Robert (Bob) took official place 1332nd (time-based 1384th). Robert (Bob)'s head start was enough to flip the official order even though Doreen was faster on foot. Biggest swing: Doreen gained 11:18 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Robert (Bob) F Knox (AAA-INV) started 28 min earlier than Doreen (AA-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- +1
- Actual time Δ
- -27:43
- Section gap Δ
- 27 min (Robert (Bob) earlier)
- Wave start Δ
- 28 min (Robert (Bob) earlier)
- Finish clock Δ
- +0:17
- Section place Δ
- —
Δ = Doreen − Robert (Bob). Negative means Doreen is ahead/faster.
Race timeline
Computed- Robert (Bob) (AAA-INV) started at 8:00 AM.
- Doreen (AA-DR) started at 8:28 AM, 28:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Doreen was 27:43 faster on foot than Robert (Bob).
- Finish clock: Robert (Bob) crossed the line 0:17 ahead of Doreen — Robert (Bob) wins this head-to-head.
Δ (A − B): actual -27:43 · finish clock +0:17.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Doreen | Robert (Bob) | Δ |
|---|---|---|---|
| Start to Top of Stairs | 15:31 | 16:50 | -1:19 |
| Stairs to Windy Gap | 12:14 | 13:33 | -1:19 |
| Windy Gap to Muir Woods | 10:55 | 11:26 | -0:31 |
| Muir Woods to Cardiac | 51:34 | 1:02:52 | -11:18 |
| Cardiac to White Gate | 29:45 | 35:39 | -5:54 |
| White Gate to The Stile | 16:33 | 22:11 | -5:38 |
| The Stile to Finish | 3:54 | 5:38 | -1:44 |
Δ negative = Doreen ran the segment faster.