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

Bonnie A Sullivan

#1285 · 2:39:42 · F73 · Group AAA · INV

Wave start 8:00 AM (AAA-INV)

Athlete B

Official

Robb Briggs

#1290 · 1:57:08 · M57 · Group Q · DR

Wave start 8:43 AM (Q-DR)

Interpretation

Bonnie (AAA-INV) started at 8:00 AM; Robb (Q-DR) started at 8:43 AM. That gave Bonnie a 43 minutes head start on Robb because the Runner wave starts 27 minutes after the Invitational wave. On foot, Bonnie ran 2:39:42 and Robb ran 1:57:08 — Robb was 42:34 faster than Bonnie. Bonnie took official place 1285th (time-based 1377th) and Robb took official place 1290th (time-based 1274th). Bonnie's head start was enough to flip the official order even though Robb was faster on foot. Biggest swing: Robb gained 12:35 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Bonnie A Sullivan (AAA-INV) started 43 min earlier than Robb (Q-DR).

The Runner wave starts 27 min after the Invitational wave.

Overall place Δ: -5
Actual time Δ: +42:34
Section gap Δ: 27 min (Bonnie earlier)
Wave start Δ: 43 min (Bonnie earlier)
Finish clock Δ: -0:26
Section place Δ: —

Δ = Bonnie − Robb. Negative means Bonnie is ahead/faster.

Race timeline

Computed

Bonnie (AAA-INV) · start 8:00 AM2:39:42

Robb (Q-DR) · start 8:43 AM1:57:08

Earliest wave start (8:00 AM)Last finish (+2:40:08)

Bonnie (AAA-INV) started at 8:00 AM.
Robb (Q-DR) started at 8:43 AM, 43:00 later — the Invitational wave starts 27 min before the Runner wave.
Actual running time: Robb was 42:34 faster on foot than Bonnie.
Finish clock: Bonnie crossed the line 0:26 ahead of Robb — Bonnie wins this head-to-head.

Δ (A − B): actual +42:34 · finish clock -0:26.

Position through the course

Official

Segment-by-segment splits

Official

Segment-by-segment splits comparing the two selected athletes.
Segment	Bonnie	Robb	Δ
Start to Top of Stairs	18:32	12:53	+5:39
Stairs to Windy Gap	13:47	10:25	+3:22
Windy Gap to Muir Woods	13:45	9:07	+4:38
Muir Woods to Cardiac	58:44	46:09	+12:35
Cardiac to White Gate	33:23	22:49	+10:34
White Gate to The Stile	17:15	12:36	+4:39
The Stile to Finish	4:16	3:09	+1:07

Δ negative = Bonnie ran the segment faster.

Open Bonnie's dashboard · Open Robb's dashboard