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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

Jonah Marucchi

#561 · 1:01:22 · M26 · Group Z · DR

Wave start 8:51 AM (Z-DR)

Athlete B

Official

Zach Flanzman

#556 · 1:01:08 · M34 · Group Y · DR

Wave start 8:50 AM (Y-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

Jonah (Z-DR) started at 8:51 AM; Zach (Y-DR) started at 8:50 AM. That gave Zach a 1 minute head start on Jonah. On foot, Jonah ran 1:01:22 and Zach ran 1:01:08 — Zach was 0:14 faster than Jonah. Jonah took official place 561st (time-based 92nd) and Zach took official place 556th (time-based 87th). Zach was faster on foot and finished ahead on the official clock too. Biggest swing: Zach gained 0:54 from Cardiac to White Gate.

Deltas

Computed

Wave start

Zach Flanzman (Y-DR) started 1 min earlier than Jonah (Z-DR).

Overall place Δ
+5
Actual time Δ
+0:14
Section gap Δ
±0 (same section)
Wave start Δ
1 min (Zach earlier)
Finish clock Δ
+1:14
Section place Δ
-1

Δ = JonahZach. Negative means Jonah is ahead/faster.

Race timeline

Computed
Jonah (Z-DR) · start 8:51 AM1:01:22
Zach (Y-DR) · start 8:50 AM1:01:08
Earliest wave start (8:50 AM)Last finish (+1:02:22)
  • Zach (Y-DR) started at 8:50 AM.
  • Jonah (Z-DR) started at 8:51 AM, 1:00 later.
  • Actual running time: Zach was 0:14 faster on foot than Jonah.
  • Finish clock: Zach crossed the line 1:14 ahead of Jonah Zach wins this head-to-head.

Δ (A − B): actual +0:14 · finish clock +1:14.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentJonahZachΔ
Start to Top of Stairs7:367:44-0:08
Stairs to Windy Gap5:195:12+0:07
Windy Gap to Muir Woods5:245:35-0:11
Muir Woods to Cardiac23:1223:04+0:08
Cardiac to White Gate12:2411:30+0:54
White Gate to The Stile5:526:14-0:22
The Stile to Finish1:351:49-0:14

Δ negative = Jonah ran the segment faster.