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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

Mark Vaughn

#756 · 1:18:37 · M47 · Group W · DR

Wave start 8:48 AM (W-DR)

Athlete B

Official

Katherine D Ciaschini

#752 · 1:34:27 · F9 · Group D · DR

Wave start 8:32 AM (D-DR)

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

Mark (W-DR) started at 8:48 AM; Katherine (D-DR) started at 8:32 AM. That gave Katherine a 16 minutes head start on Mark. On foot, Mark ran 1:18:37 and Katherine ran 1:34:27 — Mark was 15:50 faster than Katherine. Mark took official place 756th (time-based 597th) and Katherine took official place 752nd (time-based 996th). Katherine's head start was enough to flip the official order even though Mark was faster on foot. Biggest swing: Mark gained 5:38 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Katherine D Ciaschini (D-DR) started 16 min earlier than Mark (W-DR).

Overall place Δ
+4
Actual time Δ
-15:50
Section gap Δ
±0 (same section)
Wave start Δ
16 min (Katherine earlier)
Finish clock Δ
+0:10
Section place Δ
+10

Δ = MarkKatherine. Negative means Mark is ahead/faster.

Race timeline

Computed
Mark (W-DR) · start 8:48 AM1:18:37
Katherine (D-DR) · start 8:32 AM1:34:27
Earliest wave start (8:32 AM)Last finish (+1:34:37)
  • Katherine (D-DR) started at 8:32 AM.
  • Mark (W-DR) started at 8:48 AM, 16:00 later.
  • Actual running time: Mark was 15:50 faster on foot than Katherine.
  • Finish clock: Katherine crossed the line 0:10 ahead of Mark Katherine wins this head-to-head.

Δ (A − B): actual -15:50 · finish clock +0:10.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentMarkKatherineΔ
Start to Top of Stairs10:0310:08-0:05
Stairs to Windy Gap6:458:00-1:15
Windy Gap to Muir Woods6:127:31-1:19
Muir Woods to Cardiac30:1935:57-5:38
Cardiac to White Gate15:2719:51-4:24
White Gate to The Stile7:399:56-2:17
The Stile to Finish2:123:04-0:52

Δ negative = Mark ran the segment faster.