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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

Jason Andrechak

#652 · 1:09:48 · M31 · Group Z · DR

Wave start 8:51 AM (Z-DR)

Athlete B

Official

Jon Thompson

#649 · 1:10:43 · M33 · 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.

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

Interpretation

Jason (Z-DR) started at 8:51 AM; Jon (Y-DR) started at 8:50 AM. That gave Jon a 1 minute head start on Jason. On foot, Jason ran 1:09:48 and Jon ran 1:10:43 — Jason was 0:55 faster than Jon. Jason took official place 652nd (time-based 318th) and Jon took official place 649th (time-based 347th). Jon's head start was enough to flip the official order even though Jason was faster on foot. Biggest swing: Jason gained 1:39 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Jon Thompson (Y-DR) started 1 min earlier than Jason (Z-DR).

Overall place Δ
+3
Actual time Δ
-0:55
Section gap Δ
±0 (same section)
Wave start Δ
1 min (Jon earlier)
Finish clock Δ
+0:05
Section place Δ
-9

Δ = JasonJon. Negative means Jason is ahead/faster.

Race timeline

Computed
Jason (Z-DR) · start 8:51 AM1:09:48
Jon (Y-DR) · start 8:50 AM1:10:43
Earliest wave start (8:50 AM)Last finish (+1:10:48)
  • Jon (Y-DR) started at 8:50 AM.
  • Jason (Z-DR) started at 8:51 AM, 1:00 later.
  • Actual running time: Jason was 0:55 faster on foot than Jon.
  • Finish clock: Jon crossed the line 0:05 ahead of Jason Jon wins this head-to-head.

Δ (A − B): actual -0:55 · finish clock +0:05.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentJasonJonΔ
Start to Top of Stairs8:128:06+0:06
Stairs to Windy Gap5:525:48+0:04
Windy Gap to Muir Woods6:195:52+0:27
Muir Woods to Cardiac25:4327:22-1:39
Cardiac to White Gate14:4714:26+0:21
White Gate to The Stile7:027:10-0:08
The Stile to Finish1:531:59-0:06

Δ negative = Jason ran the segment faster.