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 Flanzman

#556 · 1:01:08 · M34 · Group Y · DR

Wave start 8:50 AM (Y-DR)

Athlete B

Official

Collin Atkinson

#560 · 1:02:21 · M34 · Group Y · DR

Wave start 8:50 AM (Y-DR)

Comparison report

Download the full report as a PDF, share the file, or send a link to this view.

Interpretation

Zach (Y-DR) started at 8:50 AM; Collin (Y-DR) started at 8:50 AM. Both left the line at the same moment. On foot, Zach ran 1:01:08 and Collin ran 1:02:21 — Zach was 1:13 faster than Collin. Zach took official place 556th (time-based 87th) and Collin took official place 560th (time-based 119th). Zach was faster on foot and finished ahead on the official clock too. Biggest swing: Zach gained 0:42 from Cardiac to White Gate.

Deltas

Computed

Wave start

Both started in the same wave.

Overall place Δ: -4
Actual time Δ: -1:13
Section gap Δ: ±0 (same section)
Wave start Δ: ±0 min
Finish clock Δ: -1:13
Section place Δ: -3

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

Race timeline

Computed

Zach (Y-DR) · start 8:50 AM1:01:08

Collin (Y-DR) · start 8:50 AM1:02:21

Earliest wave start (8:50 AM)Last finish (+1:02:21)

Zach (Y-DR) started at 8:50 AM.
Collin (Y-DR) also started at 8:50 AM.
Actual running time: Zach was 1:13 faster on foot than Collin.
Finish clock: Zach crossed the line 1:13 ahead of Collin — Zach wins this head-to-head.

Δ (A − B): actual -1:13 · finish clock -1:13.

Position through the course

Official

Segment-by-segment splits

Official

Segment-by-segment splits comparing the two selected athletes.
Segment	Zach	Collin	Δ
Start to Top of Stairs	7:44	7:24	+0:20
Stairs to Windy Gap	5:12	5:32	-0:20
Windy Gap to Muir Woods	5:35	5:24	+0:11
Muir Woods to Cardiac	23:04	23:41	-0:37
Cardiac to White Gate	11:30	12:12	-0:42
White Gate to The Stile	6:14	6:16	-0:02
The Stile to Finish	1:49	1:52	-0:03

Δ negative = Zach ran the segment faster.

Open Zach's dashboard · Open Collin's dashboard