Preliminary results · 1,398 finishers · source dipsea.orgLoaded 16 Jun 2026 · preliminary results may change

Head-to-head

Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.

Athlete A

Official

Zach Griffin

#567 · 1:14:54 · M63 · Group K · DR

Wave start 8:38 AM (K-DR)

Athlete B

Official

Edward R Owens

#2 · 48:29 · M32 · Group Z · INV

Wave start 8:24 AM (Z-INV)

Comparison report

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Interpretation

Zach (K-DR) started at 8:38 AM; Edward (Z-INV) started at 8:24 AM. That gave Edward a 14 minutes head start on Zach because the Runner wave starts 27 minutes after the Invitational wave. On foot, Zach ran 1:14:54 and Edward ran 48:29 — Edward was 26:25 faster than Zach. Zach took official place 567th (time-based 477th) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 11:12 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Edward R Owens (Z-INV) started 14 min earlier than Zach (K-DR).

The Runner wave starts 27 min after the Invitational wave.

Overall place Δ: +565
Actual time Δ: +26:25
Section gap Δ: 27 min (Edward earlier)
Wave start Δ: 14 min (Edward earlier)
Finish clock Δ: +40:25
Section place Δ: —

Δ = Zach − Edward. Negative means Zach is ahead/faster.

Race timeline

Computed

Zach (K-DR) · start 8:38 AM1:14:54

Edward (Z-INV) · start 8:24 AM48:29

Earliest wave start (8:24 AM)Last finish (+1:28:54)

Edward (Z-INV) started at 8:24 AM.
Zach (K-DR) started at 8:38 AM, 14:00 later — the Invitational wave starts 27 min before the Runner wave.
Actual running time: Edward was 26:25 faster on foot than Zach.
Finish clock: Edward crossed the line 40:25 ahead of Zach — Edward wins this head-to-head.

Δ (A − B): actual +26:25 · finish clock +40:25.

Position through the course

Official

Segment-by-segment splits

Official

Segment-by-segment splits comparing the two selected athletes.
Segment	Zach	Edward	Δ
Start to Top of Stairs	9:02	5:48	+3:14
Stairs to Windy Gap	6:57	4:17	+2:40
Windy Gap to Muir Woods	5:58	4:16	+1:42
Muir Woods to Cardiac	29:04	17:52	+11:12
Cardiac to White Gate	14:36	9:40	+4:56
White Gate to The Stile	7:08	5:03	+2:05
The Stile to Finish	2:09	1:33	+0:36

Δ negative = Zach ran the segment faster.

Open Zach's dashboard · Open Edward's dashboard