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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

Edward R Owens

#2 · 48:29 · M32 · Group Z · INV

Wave start 8:24 AM (Z-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; Edward (Z-INV) started at 8:24 AM. That gave Edward a 24 minutes head start on Jackson because the Runner wave starts 27 minutes after the Invitational wave. On foot, Jackson ran 1:01:40 and Edward ran 48:29 — Edward was 13:11 faster than Jackson. Jackson took official place 542nd (time-based 100th) and Edward took official place 2nd (time-based 1st). Edward was faster on foot and finished ahead on the official clock too. Biggest swing: Edward gained 5:12 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Edward R Owens (Z-INV) started 24 min earlier than Jackson (W-DR).

The Runner wave starts 27 min after the Invitational wave.

Overall place Δ
+540
Actual time Δ
+13:11
Section gap Δ
27 min (Edward earlier)
Wave start Δ
24 min (Edward earlier)
Finish clock Δ
+37:11
Section place Δ

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

Race timeline

Computed
Jackson (W-DR) · start 8:48 AM1:01:40
Edward (Z-INV) · start 8:24 AM48:29
Earliest wave start (8:24 AM)Last finish (+1:25:40)
  • Edward (Z-INV) started at 8:24 AM.
  • Jackson (W-DR) started at 8:48 AM, 24:00 later — the Invitational wave starts 27 min before the Runner wave.
  • Actual running time: Edward was 13:11 faster on foot than Jackson.
  • Finish clock: Edward crossed the line 37:11 ahead of Jackson Edward wins this head-to-head.

Δ (A − B): actual +13:11 · finish clock +37:11.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentJacksonEdwardΔ
Start to Top of Stairs7:365:48+1:48
Stairs to Windy Gap5:134:17+0:56
Windy Gap to Muir Woods5:234:16+1:07
Muir Woods to Cardiac23:0417:52+5:12
Cardiac to White Gate12:199:40+2:39
White Gate to The Stile6:105:03+1:07
The Stile to Finish1:551:33+0:22

Δ negative = Jackson ran the segment faster.