Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialRobert (Bob) F Knox
#1332 · 2:48:09 · M80 · Group AAA · INV
Wave start 8:00 AM (AAA-INV)
Athlete B
OfficialDoreen L Reed
#1333 · 2:20:26 · F65 · Group AA · DR
Wave start 8:28 AM (AA-DR)
Interpretation
Robert (Bob) (AAA-INV) started at 8:00 AM; Doreen (AA-DR) started at 8:28 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, Robert (Bob) ran 2:48:09 and Doreen ran 2:20:26 — Doreen was 27:43 faster than Robert (Bob). Robert (Bob) took official place 1332nd (time-based 1384th) and Doreen took official place 1333rd (time-based 1354th). 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 = Robert (Bob) − Doreen. Negative means Robert (Bob) 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 | Robert (Bob) | Doreen | Δ |
|---|---|---|---|
| Start to Top of Stairs | 16:50 | 15:31 | +1:19 |
| Stairs to Windy Gap | 13:33 | 12:14 | +1:19 |
| Windy Gap to Muir Woods | 11:26 | 10:55 | +0:31 |
| Muir Woods to Cardiac | 1:02:52 | 51:34 | +11:18 |
| Cardiac to White Gate | 35:39 | 29:45 | +5:54 |
| White Gate to The Stile | 22:11 | 16:33 | +5:38 |
| The Stile to Finish | 5:38 | 3:54 | +1:44 |
Δ negative = Robert (Bob) ran the segment faster.