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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

Richard L Park

#629 · 1:31:25 · M73 · Group AA · DR

Wave start 8:28 AM (AA-DR)

Athlete B

Official

Jeff Marks

#628 · 1:13:15 · M53 · Group U · DR

Wave start 8:46 AM (U-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

Richard (AA-DR) started at 8:28 AM; Jeff (U-DR) started at 8:46 AM. That gave Richard a 18 minutes head start on Jeff. On foot, Richard ran 1:31:25 and Jeff ran 1:13:15 — Jeff was 18:10 faster than Richard. Richard took official place 629th (time-based 933rd) and Jeff took official place 628th (time-based 430th). Jeff was faster on foot and finished ahead on the official clock too. Biggest swing: Jeff gained 5:23 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Richard L Park (AA-DR) started 18 min earlier than Jeff (U-DR).

Overall place Δ
+1
Actual time Δ
+18:10
Section gap Δ
±0 (same section)
Wave start Δ
18 min (Richard earlier)
Finish clock Δ
+0:10
Section place Δ
-5

Δ = RichardJeff. Negative means Richard is ahead/faster.

Race timeline

Computed
Richard (AA-DR) · start 8:28 AM1:31:25
Jeff (U-DR) · start 8:46 AM1:13:15
Earliest wave start (8:28 AM)Last finish (+1:31:25)
  • Richard (AA-DR) started at 8:28 AM.
  • Jeff (U-DR) started at 8:46 AM, 18:00 later.
  • Actual running time: Jeff was 18:10 faster on foot than Richard.
  • Finish clock: Jeff crossed the line 0:10 ahead of Richard Jeff wins this head-to-head.

Δ (A − B): actual +18:10 · finish clock +0:10.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentRichardJeffΔ
Start to Top of Stairs11:448:34+3:10
Stairs to Windy Gap8:406:24+2:16
Windy Gap to Muir Woods7:376:13+1:24
Muir Woods to Cardiac33:3928:16+5:23
Cardiac to White Gate18:4314:29+4:14
White Gate to The Stile8:407:15+1:25
The Stile to Finish2:222:04+0:18

Δ negative = Richard ran the segment faster.