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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

Jackson Chen

#542 · 1:01:40 · M15 · Group W · DR

Wave start 8:48 AM (W-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

Jackson (W-DR) started at 8:48 AM; Julia (Q-INV) started at 8:16 AM. That gave Julia a 32 minutes head start on Jackson because the Runner wave starts 27 minutes after the Invitational wave. On foot, Jackson ran 1:01:40 and Julia ran 57:02 — Julia was 4:38 faster than Jackson. Jackson took official place 542nd (time-based 100th) 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 2:38 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Julia R Maxwell Bailey (Q-INV) started 32 min earlier than Jackson (W-DR).

The Runner wave starts 27 min after the Invitational wave.

Overall place Δ
+539
Actual time Δ
+4:38
Section gap Δ
27 min (Julia earlier)
Wave start Δ
32 min (Julia earlier)
Finish clock Δ
+36:38
Section place Δ

Δ = JacksonJulia. Negative means Jackson is ahead/faster.

Race timeline

Computed
Jackson (W-DR) · start 8:48 AM1:01:40
Julia (Q-INV) · start 8:16 AM57:02
Earliest wave start (8:16 AM)Last finish (+1:33:40)
  • Julia (Q-INV) started at 8:16 AM.
  • Jackson (W-DR) started at 8:48 AM, 32:00 later — the Invitational wave starts 27 min before the Runner wave.
  • Actual running time: Julia was 4:38 faster on foot than Jackson.
  • Finish clock: Julia crossed the line 36:38 ahead of Jackson Julia wins this head-to-head.

Δ (A − B): actual +4:38 · finish clock +36:38.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentJacksonJuliaΔ
Start to Top of Stairs7:366:46+0:50
Stairs to Windy Gap5:135:03+0:10
Windy Gap to Muir Woods5:235:20+0:03
Muir Woods to Cardiac23:0420:26+2:38
Cardiac to White Gate12:1911:52+0:27
White Gate to The Stile6:105:54+0:16
The Stile to Finish1:551:41+0:14

Δ negative = Jackson ran the segment faster.