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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 Alan Biedlingmaier

#645 · 1:09:26 · M32 · Group Z · DR

Wave start 8:51 AM (Z-DR)

Athlete B

Official

Walker A. Elkus

#650 · 1:15:44 · M12 · Group T · DR

Wave start 8:45 AM (T-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 (Z-DR) started at 8:51 AM; Walker (T-DR) started at 8:45 AM. That gave Walker a 6 minutes head start on Mark. On foot, Mark ran 1:09:26 and Walker ran 1:15:44 — Mark was 6:18 faster than Walker. Mark took official place 645th (time-based 308th) and Walker took official place 650th (time-based 513th). Mark was faster on foot and finished ahead on the official clock too. Biggest swing: Mark gained 2:55 from Cardiac to White Gate.

Deltas

Computed

Wave start

Walker A. Elkus (T-DR) started 6 min earlier than Mark (Z-DR).

Overall place Δ
-5
Actual time Δ
-6:18
Section gap Δ
±0 (same section)
Wave start Δ
6 min (Walker earlier)
Finish clock Δ
-0:18
Section place Δ
+8

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

Race timeline

Computed
Mark (Z-DR) · start 8:51 AM1:09:26
Walker (T-DR) · start 8:45 AM1:15:44
Earliest wave start (8:45 AM)Last finish (+1:15:44)
  • Walker (T-DR) started at 8:45 AM.
  • Mark (Z-DR) started at 8:51 AM, 6:00 later.
  • Actual running time: Mark was 6:18 faster on foot than Walker.
  • Finish clock: Mark crossed the line 0:18 ahead of Walker Mark wins this head-to-head.

Δ (A − B): actual -6:18 · finish clock -0:18.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentMarkWalkerΔ
Start to Top of Stairs8:268:35-0:09
Stairs to Windy Gap7:006:33+0:27
Windy Gap to Muir Woods5:466:11-0:25
Muir Woods to Cardiac27:1729:04-1:47
Cardiac to White Gate12:5815:53-2:55
White Gate to The Stile6:217:29-1:08
The Stile to Finish1:381:59-0:21

Δ negative = Mark ran the segment faster.