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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

Ian Macallister

#452 · 1:15:31 · M49 · Group V · INV

Wave start 8:20 AM (V-INV)

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

Ian (V-INV) started at 8:20 AM; Julia (Q-INV) started at 8:16 AM. That gave Julia a 4 minutes head start on Ian. On foot, Ian ran 1:15:31 and Julia ran 57:02 — Julia was 18:29 faster than Ian. Ian took official place 452nd (time-based 502nd) 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 8:16 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Julia R Maxwell Bailey (Q-INV) started 4 min earlier than Ian (V-INV).

Overall place Δ
+449
Actual time Δ
+18:29
Section gap Δ
±0 (same section)
Wave start Δ
4 min (Julia earlier)
Finish clock Δ
+22:29
Section place Δ
+26

Δ = IanJulia. Negative means Ian is ahead/faster.

Race timeline

Computed
Ian (V-INV) · start 8:20 AM1:15:31
Julia (Q-INV) · start 8:16 AM57:02
Earliest wave start (8:16 AM)Last finish (+1:19:31)
  • Julia (Q-INV) started at 8:16 AM.
  • Ian (V-INV) started at 8:20 AM, 4:00 later.
  • Actual running time: Julia was 18:29 faster on foot than Ian.
  • Finish clock: Julia crossed the line 22:29 ahead of Ian Julia wins this head-to-head.

Δ (A − B): actual +18:29 · finish clock +22:29.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentIanJuliaΔ
Start to Top of Stairs8:266:46+1:40
Stairs to Windy Gap6:375:03+1:34
Windy Gap to Muir Woods6:195:20+0:59
Muir Woods to Cardiac28:4220:26+8:16
Cardiac to White Gate15:2511:52+3:33
White Gate to The Stile7:475:54+1:53
The Stile to Finish2:151:41+0:34

Δ negative = Ian ran the segment faster.