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Unofficial Dipsea 2026 Race Analysis
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

Tom Oprendek

#971 · 1:41:38 · M68 · Group F · DR

Wave start 8:34 AM (F-DR)

Athlete B

Official

Julia R Maxwell Bailey

#3 · 57:02 · F30 · Group Q · INV

Wave start 8:16 AM (Q-INV)

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

Tom (F-DR) started at 8:34 AM; Julia (Q-INV) started at 8:16 AM. That gave Julia a 18 minutes head start on Tom because the Runner wave starts 27 minutes after the Invitational wave. On foot, Tom ran 1:41:38 and Julia ran 57:02 — Julia was 44:36 faster than Tom. Tom took official place 971st (time-based 1118th) and Julia took official place 3rd (time-based 32nd). Julia was faster on foot and finished ahead on the official clock too. Biggest swing: Julia gained 20:09 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Julia R Maxwell Bailey (Q-INV) started 18 min earlier than Tom (F-DR).

The Runner wave starts 27 min after the Invitational wave.

Overall place Δ
+968
Actual time Δ
+44:36
Section gap Δ
27 min (Julia earlier)
Wave start Δ
18 min (Julia earlier)
Finish clock Δ
+1:02:36
Section place Δ
—

Δ = Tom − Julia. Negative means Tom is ahead/faster.

Race timeline

Computed
Tom (F-DR) · start 8:34 AM1:41:38
Julia (Q-INV) · start 8:16 AM57:02
Earliest wave start (8:16 AM)Last finish (+1:59:38)
  • Julia (Q-INV) started at 8:16 AM.
  • Tom (F-DR) started at 8:34 AM, 18:00 later — the Invitational wave starts 27 min before the Runner wave.
  • Actual running time: Julia was 44:36 faster on foot than Tom.
  • Finish clock: Julia crossed the line 1:02:36 ahead of Tom — Julia wins this head-to-head.

Δ (A − B): actual +44:36 · finish clock +1:02:36.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentTomJuliaΔ
Start to Top of Stairs12:226:46+5:36
Stairs to Windy Gap9:215:03+4:18
Windy Gap to Muir Woods7:295:20+2:09
Muir Woods to Cardiac40:3520:26+20:09
Cardiac to White Gate20:0411:52+8:12
White Gate to The Stile9:225:54+3:28
The Stile to Finish2:251:41+0:44

Δ negative = Tom ran the segment faster.

Open Tom's dashboard · Open Julia's dashboard