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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

Daniel T Reid

#1155 · 1:36:32 · M47 · Group W · DR

Wave start 8:48 AM (W-DR)

Athlete B

Official

Jonnie A Alper

#1158 · 1:46:00 · M62 · Group L · DR

Wave start 8:39 AM (L-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

Daniel (W-DR) started at 8:48 AM; Jonnie (L-DR) started at 8:39 AM. That gave Jonnie a 9 minutes head start on Daniel. On foot, Daniel ran 1:36:32 and Jonnie ran 1:46:00 — Daniel was 9:28 faster than Jonnie. Daniel took official place 1155th (time-based 1047th) and Jonnie took official place 1158th (time-based 1179th). Daniel was faster on foot and finished ahead on the official clock too. Biggest swing: Daniel gained 4:17 from Cardiac to White Gate.

Deltas

Computed

Wave start

Jonnie A Alper (L-DR) started 9 min earlier than Daniel (W-DR).

Overall place Δ
-3
Actual time Δ
-9:28
Section gap Δ
±0 (same section)
Wave start Δ
9 min (Jonnie earlier)
Finish clock Δ
-0:28
Section place Δ
+4

Δ = DanielJonnie. Negative means Daniel is ahead/faster.

Race timeline

Computed
Daniel (W-DR) · start 8:48 AM1:36:32
Jonnie (L-DR) · start 8:39 AM1:46:00
Earliest wave start (8:39 AM)Last finish (+1:46:00)
  • Jonnie (L-DR) started at 8:39 AM.
  • Daniel (W-DR) started at 8:48 AM, 9:00 later.
  • Actual running time: Daniel was 9:28 faster on foot than Jonnie.
  • Finish clock: Daniel crossed the line 0:28 ahead of Jonnie Daniel wins this head-to-head.

Δ (A − B): actual -9:28 · finish clock -0:28.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentDanielJonnieΔ
Start to Top of Stairs11:1312:20-1:07
Stairs to Windy Gap9:209:03+0:17
Windy Gap to Muir Woods7:088:09-1:01
Muir Woods to Cardiac38:5740:51-1:54
Cardiac to White Gate17:4622:03-4:17
White Gate to The Stile9:1510:32-1:17
The Stile to Finish2:533:02-0:09

Δ negative = Daniel ran the segment faster.