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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

Ruben van der Dussen

#618 · 1:08:36 · M41 · Group Y · DR

Wave start 8:50 AM (Y-DR)

Athlete B

Official

Mark Davis

#615 · 1:07:23 · M32 · Group Z · DR

Wave start 8:51 AM (Z-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

Ruben (Y-DR) started at 8:50 AM; Mark (Z-DR) started at 8:51 AM. That gave Ruben a 1 minute head start on Mark. On foot, Ruben ran 1:08:36 and Mark ran 1:07:23 — Mark was 1:13 faster than Ruben. Ruben took official place 618th (time-based 276th) and Mark took official place 615th (time-based 245th). Mark was faster on foot and finished ahead on the official clock too. Biggest swing: Mark gained 1:26 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Ruben van der Dussen (Y-DR) started 1 min earlier than Mark (Z-DR).

Overall place Δ
+3
Actual time Δ
+1:13
Section gap Δ
±0 (same section)
Wave start Δ
1 min (Ruben earlier)
Finish clock Δ
+0:13
Section place Δ
+7

Δ = RubenMark. Negative means Ruben is ahead/faster.

Race timeline

Computed
Ruben (Y-DR) · start 8:50 AM1:08:36
Mark (Z-DR) · start 8:51 AM1:07:23
Earliest wave start (8:50 AM)Last finish (+1:08:36)
  • Ruben (Y-DR) started at 8:50 AM.
  • Mark (Z-DR) started at 8:51 AM, 1:00 later.
  • Actual running time: Mark was 1:13 faster on foot than Ruben.
  • Finish clock: Mark crossed the line 0:13 ahead of Ruben Mark wins this head-to-head.

Δ (A − B): actual +1:13 · finish clock +0:13.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentRubenMarkΔ
Start to Top of Stairs7:338:08-0:35
Stairs to Windy Gap5:345:54-0:20
Windy Gap to Muir Woods5:325:42-0:10
Muir Woods to Cardiac26:5525:29+1:26
Cardiac to White Gate13:5413:36+0:18
White Gate to The Stile7:186:44+0:34
The Stile to Finish1:501:50±0:00

Δ negative = Ruben ran the segment faster.