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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

Duncan J Law

#611 · 1:09:06 · M42 · Group X · DR

Wave start 8:49 AM (X-DR)

Athlete B

Official

Sonya Jampel

#607 · 1:14:56 · F29 · Group Q · DR

Wave start 8:43 AM (Q-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

Duncan (X-DR) started at 8:49 AM; Sonya (Q-DR) started at 8:43 AM. That gave Sonya a 6 minutes head start on Duncan. On foot, Duncan ran 1:09:06 and Sonya ran 1:14:56 — Duncan was 5:50 faster than Sonya. Duncan took official place 611th (time-based 293rd) and Sonya took official place 607th (time-based 480th). Sonya's head start was enough to flip the official order even though Duncan was faster on foot. Biggest swing: Duncan gained 1:41 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Sonya Jampel (Q-DR) started 6 min earlier than Duncan (X-DR).

Overall place Δ
+4
Actual time Δ
-5:50
Section gap Δ
±0 (same section)
Wave start Δ
6 min (Sonya earlier)
Finish clock Δ
+0:10
Section place Δ
-6

Δ = DuncanSonya. Negative means Duncan is ahead/faster.

Race timeline

Computed
Duncan (X-DR) · start 8:49 AM1:09:06
Sonya (Q-DR) · start 8:43 AM1:14:56
Earliest wave start (8:43 AM)Last finish (+1:15:06)
  • Sonya (Q-DR) started at 8:43 AM.
  • Duncan (X-DR) started at 8:49 AM, 6:00 later.
  • Actual running time: Duncan was 5:50 faster on foot than Sonya.
  • Finish clock: Sonya crossed the line 0:10 ahead of Duncan Sonya wins this head-to-head.

Δ (A − B): actual -5:50 · finish clock +0:10.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentDuncanSonyaΔ
Start to Top of Stairs8:058:53-0:48
Stairs to Windy Gap6:176:21-0:04
Windy Gap to Muir Woods5:366:16-0:40
Muir Woods to Cardiac26:4328:24-1:41
Cardiac to White Gate14:0615:33-1:27
White Gate to The Stile6:227:23-1:01
The Stile to Finish1:572:06-0:09

Δ negative = Duncan ran the segment faster.