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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

Geoffrey Mishkin

#1058 · 1:28:35 · M40 · Group Y · DR

Wave start 8:50 AM (Y-DR)

Athlete B

Official

Samantha Brosler

#1059 · 1:35:37 · F25 · Group Q · DR

Wave start 8:43 AM (Q-DR)

Comparison report

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

The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.

Interpretation

Geoffrey (Y-DR) started at 8:50 AM; Samantha (Q-DR) started at 8:43 AM. That gave Samantha a 7 minutes head start on Geoffrey. On foot, Geoffrey ran 1:28:35 and Samantha ran 1:35:37 — Geoffrey was 7:02 faster than Samantha. Geoffrey took official place 1058th (time-based 873rd) and Samantha took official place 1059th (time-based 1027th). Geoffrey was faster on foot and finished ahead on the official clock too. Biggest swing: Geoffrey gained 3:13 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Samantha Brosler (Q-DR) started 7 min earlier than Geoffrey (Y-DR).

Overall place Δ
-1
Actual time Δ
-7:02
Section gap Δ
±0 (same section)
Wave start Δ
7 min (Samantha earlier)
Finish clock Δ
-0:02
Section place Δ
+16

Δ = GeoffreySamantha. Negative means Geoffrey is ahead/faster.

Race timeline

Computed
Geoffrey (Y-DR) · start 8:50 AM1:28:35
Samantha (Q-DR) · start 8:43 AM1:35:37
Earliest wave start (8:43 AM)Last finish (+1:35:37)
  • Samantha (Q-DR) started at 8:43 AM.
  • Geoffrey (Y-DR) started at 8:50 AM, 7:00 later.
  • Actual running time: Geoffrey was 7:02 faster on foot than Samantha.
  • Finish clock: Geoffrey crossed the line 0:02 ahead of Samantha Geoffrey wins this head-to-head.

Δ (A − B): actual -7:02 · finish clock -0:02.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentGeoffreySamanthaΔ
Start to Top of Stairs11:1210:20+0:52
Stairs to Windy Gap7:286:57+0:31
Windy Gap to Muir Woods7:298:35-1:06
Muir Woods to Cardiac32:2735:40-3:13
Cardiac to White Gate19:3522:11-2:36
White Gate to The Stile8:119:29-1:18
The Stile to Finish2:132:25-0:12

Δ negative = Geoffrey ran the segment faster.