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
OfficialJulia E Stricker-Balistreri
#1337 · 2:06:56 · F34 · Group Q · DR
Wave start 8:43 AM (Q-DR)
Interpretation
Robert (Bob) (AAA-INV) started at 8:00 AM; Julia (Q-DR) started at 8:43 AM. That gave Robert (Bob) a 43 minutes head start on Julia because the Runner wave starts 27 minutes after the Invitational wave. On foot, Robert (Bob) ran 2:48:09 and Julia ran 2:06:56 — Julia was 41:13 faster than Robert (Bob). Robert (Bob) took official place 1332nd (time-based 1384th) and Julia took official place 1337th (time-based 1319th). Robert (Bob)'s head start was enough to flip the official order even though Julia was faster on foot. Biggest swing: Julia gained 17:57 from Muir Woods to Cardiac.
Deltas
ComputedWave start
Robert (Bob) F Knox (AAA-INV) started 43 min earlier than Julia (Q-DR).
The Runner wave starts 27 min after the Invitational wave.
- Overall place Δ
- -5
- Actual time Δ
- +41:13
- Section gap Δ
- 27 min (Robert (Bob) earlier)
- Wave start Δ
- 43 min (Robert (Bob) earlier)
- Finish clock Δ
- -1:47
- Section place Δ
- —
Δ = Robert (Bob) − Julia. Negative means Robert (Bob) is ahead/faster.
Race timeline
Computed- Robert (Bob) (AAA-INV) started at 8:00 AM.
- Julia (Q-DR) started at 8:43 AM, 43:00 later — the Invitational wave starts 27 min before the Runner wave.
- Actual running time: Julia was 41:13 faster on foot than Robert (Bob).
- Finish clock: Robert (Bob) crossed the line 1:47 ahead of Julia — Robert (Bob) wins this head-to-head.
Δ (A − B): actual +41:13 · finish clock -1:47.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | Robert (Bob) | Julia | Δ |
|---|---|---|---|
| Start to Top of Stairs | 16:50 | 19:59 | -3:09 |
| Stairs to Windy Gap | 13:33 | 10:32 | +3:01 |
| Windy Gap to Muir Woods | 11:26 | 10:27 | +0:59 |
| Muir Woods to Cardiac | 1:02:52 | 44:55 | +17:57 |
| Cardiac to White Gate | 35:39 | 25:02 | +10:37 |
| White Gate to The Stile | 22:11 | 12:58 | +9:13 |
| The Stile to Finish | 5:38 | 3:03 | +2:35 |
Δ negative = Robert (Bob) ran the segment faster.