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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

Peter T Berry

#1386 · 2:32:27 · M60 · Group N · DR

Wave start 8:41 AM (N-DR)

Athlete B

Official

Walter W Underhill

#1388 · 2:49:57 · M78 · Group AAA · DR

Wave start 8:27 AM (AAA-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

Peter (N-DR) started at 8:41 AM; Walter (AAA-DR) started at 8:27 AM. That gave Walter a 14 minutes head start on Peter. On foot, Peter ran 2:32:27 and Walter ran 2:49:57 — Peter was 17:30 faster than Walter. Peter took official place 1386th (time-based 1370th) and Walter took official place 1388th (time-based 1385th). Peter was faster on foot and finished ahead on the official clock too. Biggest swing: Peter gained 7:38 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Walter W Underhill (AAA-DR) started 14 min earlier than Peter (N-DR).

Overall place Δ
-2
Actual time Δ
-17:30
Section gap Δ
±0 (same section)
Wave start Δ
14 min (Walter earlier)
Finish clock Δ
-3:30
Section place Δ
+11

Δ = PeterWalter. Negative means Peter is ahead/faster.

Race timeline

Computed
Peter (N-DR) · start 8:41 AM2:32:27
Walter (AAA-DR) · start 8:27 AM2:49:57
Earliest wave start (8:27 AM)Last finish (+2:49:57)
  • Walter (AAA-DR) started at 8:27 AM.
  • Peter (N-DR) started at 8:41 AM, 14:00 later.
  • Actual running time: Peter was 17:30 faster on foot than Walter.
  • Finish clock: Peter crossed the line 3:30 ahead of Walter Peter wins this head-to-head.

Δ (A − B): actual -17:30 · finish clock -3:30.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentPeterWalterΔ
Start to Top of Stairs15:2217:20-1:58
Stairs to Windy Gap13:1813:34-0:16
Windy Gap to Muir Woods15:5712:00+3:57
Muir Woods to Cardiac52:0459:42-7:38
Cardiac to White Gate36:1941:21-5:02
White Gate to The Stile15:5620:46-4:50
The Stile to Finish3:315:14-1:43

Δ negative = Peter ran the segment faster.