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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

Sheila O'Neill

#406 · 1:32:40 · F65 · Group AA · INV

Wave start 8:01 AM (AA-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

Sheila (AA-INV) started at 8:01 AM; Julia (Q-INV) started at 8:16 AM. That gave Sheila a 15 minutes head start on Julia. On foot, Sheila ran 1:32:40 and Julia ran 57:02 — Julia was 35:38 faster than Sheila. Sheila took official place 406th (time-based 956th) 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 12:54 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Sheila O'Neill (AA-INV) started 15 min earlier than Julia (Q-INV).

Overall place Δ
+403
Actual time Δ
+35:38
Section gap Δ
±0 (same section)
Wave start Δ
15 min (Sheila earlier)
Finish clock Δ
+20:38
Section place Δ
+2

Δ = SheilaJulia. Negative means Sheila is ahead/faster.

Race timeline

Computed
Sheila (AA-INV) · start 8:01 AM1:32:40
Julia (Q-INV) · start 8:16 AM57:02
Earliest wave start (8:01 AM)Last finish (+1:32:40)
  • Sheila (AA-INV) started at 8:01 AM.
  • Julia (Q-INV) started at 8:16 AM, 15:00 later.
  • Actual running time: Julia was 35:38 faster on foot than Sheila.
  • Finish clock: Julia crossed the line 20:38 ahead of Sheila Julia wins this head-to-head.

Δ (A − B): actual +35:38 · finish clock +20:38.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentSheilaJuliaΔ
Start to Top of Stairs11:046:46+4:18
Stairs to Windy Gap7:565:03+2:53
Windy Gap to Muir Woods7:505:20+2:30
Muir Woods to Cardiac33:2020:26+12:54
Cardiac to White Gate20:2911:52+8:37
White Gate to The Stile9:405:54+3:46
The Stile to Finish2:211:41+0:40

Δ negative = Sheila ran the segment faster.