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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

Gidon T Singer

#456 · 1:22:37 · M61 · Group M · INV

Wave start 8:13 AM (M-INV)

Athlete B

Official

Stephen N Gray

#454 · 1:28:33 · M68 · Group F · INV

Wave start 8:07 AM (F-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

Gidon (M-INV) started at 8:13 AM; Stephen (F-INV) started at 8:07 AM. That gave Stephen a 6 minutes head start on Gidon. On foot, Gidon ran 1:22:37 and Stephen ran 1:28:33 — Gidon was 5:56 faster than Stephen. Gidon took official place 456th (time-based 724th) and Stephen took official place 454th (time-based 872nd). Stephen's head start was enough to flip the official order even though Gidon was faster on foot. Biggest swing: Gidon gained 2:31 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Stephen N Gray (F-INV) started 6 min earlier than Gidon (M-INV).

Overall place Δ
+2
Actual time Δ
-5:56
Section gap Δ
±0 (same section)
Wave start Δ
6 min (Stephen earlier)
Finish clock Δ
+0:04
Section place Δ
+18

Δ = GidonStephen. Negative means Gidon is ahead/faster.

Race timeline

Computed
Gidon (M-INV) · start 8:13 AM1:22:37
Stephen (F-INV) · start 8:07 AM1:28:33
Earliest wave start (8:07 AM)Last finish (+1:28:37)
  • Stephen (F-INV) started at 8:07 AM.
  • Gidon (M-INV) started at 8:13 AM, 6:00 later.
  • Actual running time: Gidon was 5:56 faster on foot than Stephen.
  • Finish clock: Stephen crossed the line 0:04 ahead of Gidon Stephen wins this head-to-head.

Δ (A − B): actual -5:56 · finish clock +0:04.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentGidonStephenΔ
Start to Top of Stairs10:1410:20-0:06
Stairs to Windy Gap7:317:25+0:06
Windy Gap to Muir Woods6:137:02-0:49
Muir Woods to Cardiac32:3035:01-2:31
Cardiac to White Gate16:0217:43-1:41
White Gate to The Stile7:478:29-0:42
The Stile to Finish2:202:33-0:13

Δ negative = Gidon ran the segment faster.