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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

Jonathan M Bretan

#173 · 1:03:36 · M43 · Group X · INV

Wave start 8:22 AM (X-INV)

Athlete B

Official

Mary Etta Boitano Blanchard

#175 · 1:22:41 · F63 · Group B · INV

Wave start 8:03 AM (B-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

Jonathan (X-INV) started at 8:22 AM; Mary Etta (B-INV) started at 8:03 AM. That gave Mary Etta a 19 minutes head start on Jonathan. On foot, Jonathan ran 1:03:36 and Mary Etta ran 1:22:41 — Jonathan was 19:05 faster than Mary Etta. Jonathan took official place 173rd (time-based 146th) and Mary Etta took official place 175th (time-based 725th). Jonathan was faster on foot and finished ahead on the official clock too. Biggest swing: Jonathan gained 6:41 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Mary Etta Boitano Blanchard (B-INV) started 19 min earlier than Jonathan (X-INV).

Overall place Δ
-2
Actual time Δ
-19:05
Section gap Δ
±0 (same section)
Wave start Δ
19 min (Mary Etta earlier)
Finish clock Δ
-0:05
Section place Δ
+9

Δ = JonathanMary Etta. Negative means Jonathan is ahead/faster.

Race timeline

Computed
Jonathan (X-INV) · start 8:22 AM1:03:36
Mary Etta (B-INV) · start 8:03 AM1:22:41
Earliest wave start (8:03 AM)Last finish (+1:22:41)
  • Mary Etta (B-INV) started at 8:03 AM.
  • Jonathan (X-INV) started at 8:22 AM, 19:00 later.
  • Actual running time: Jonathan was 19:05 faster on foot than Mary Etta.
  • Finish clock: Jonathan crossed the line 0:05 ahead of Mary Etta Jonathan wins this head-to-head.

Δ (A − B): actual -19:05 · finish clock -0:05.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentJonathanMary EttaΔ
Start to Top of Stairs7:0510:19-3:14
Stairs to Windy Gap5:467:22-1:36
Windy Gap to Muir Woods5:016:58-1:57
Muir Woods to Cardiac24:1330:54-6:41
Cardiac to White Gate12:5916:30-3:31
White Gate to The Stile6:308:03-1:33
The Stile to Finish2:022:35-0:33

Δ negative = Jonathan ran the segment faster.