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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

Alex Katz

#316 · 1:06:59 · M29 · Group Z · INV

Wave start 8:24 AM (Z-INV)

Athlete B

Official

Harrison Davis

#318 · 1:12:00 · M13 · Group U · INV

Wave start 8:19 AM (U-INV)

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

Alex (Z-INV) started at 8:24 AM; Harrison (U-INV) started at 8:19 AM. That gave Harrison a 5 minutes head start on Alex. On foot, Alex ran 1:06:59 and Harrison ran 1:12:00 — Alex was 5:01 faster than Harrison. Alex took official place 316th (time-based 231st) and Harrison took official place 318th (time-based 390th). Alex was faster on foot and finished ahead on the official clock too. Biggest swing: Alex gained 2:25 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Harrison Davis (U-INV) started 5 min earlier than Alex (Z-INV).

Overall place Δ
-2
Actual time Δ
-5:01
Section gap Δ
±0 (same section)
Wave start Δ
5 min (Harrison earlier)
Finish clock Δ
-0:01
Section place Δ
+13

Δ = AlexHarrison. Negative means Alex is ahead/faster.

Race timeline

Computed
Alex (Z-INV) · start 8:24 AM1:06:59
Harrison (U-INV) · start 8:19 AM1:12:00
Earliest wave start (8:19 AM)Last finish (+1:12:00)
  • Harrison (U-INV) started at 8:19 AM.
  • Alex (Z-INV) started at 8:24 AM, 5:00 later.
  • Actual running time: Alex was 5:01 faster on foot than Harrison.
  • Finish clock: Alex crossed the line 0:01 ahead of Harrison Alex wins this head-to-head.

Δ (A − B): actual -5:01 · finish clock -0:01.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentAlexHarrisonΔ
Start to Top of Stairs7:537:53±0:00
Stairs to Windy Gap6:086:08±0:00
Windy Gap to Muir Woods5:285:36-0:08
Muir Woods to Cardiac25:5628:21-2:25
Cardiac to White Gate13:0814:48-1:40
White Gate to The Stile6:417:16-0:35
The Stile to Finish1:451:58-0:13

Δ negative = Alex ran the segment faster.