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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

Geoff Vaughan

#427 · 1:21:24 · M61 · Group M · INV

Wave start 8:13 AM (M-INV)

Athlete B

Official

James L Shirley

#432 · 1:11:41 · M35 · Group Y · INV

Wave start 8:23 AM (Y-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

Geoff (M-INV) started at 8:13 AM; James (Y-INV) started at 8:23 AM. That gave Geoff a 10 minutes head start on James. On foot, Geoff ran 1:21:24 and James ran 1:11:41 — James was 9:43 faster than Geoff. Geoff took official place 427th (time-based 690th) and James took official place 432nd (time-based 379th). Geoff's head start was enough to flip the official order even though James was faster on foot. Biggest swing: James gained 3:30 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Geoff Vaughan (M-INV) started 10 min earlier than James (Y-INV).

Overall place Δ
-5
Actual time Δ
+9:43
Section gap Δ
±0 (same section)
Wave start Δ
10 min (Geoff earlier)
Finish clock Δ
-0:17
Section place Δ
-58

Δ = GeoffJames. Negative means Geoff is ahead/faster.

Race timeline

Computed
Geoff (M-INV) · start 8:13 AM1:21:24
James (Y-INV) · start 8:23 AM1:11:41
Earliest wave start (8:13 AM)Last finish (+1:21:41)
  • Geoff (M-INV) started at 8:13 AM.
  • James (Y-INV) started at 8:23 AM, 10:00 later.
  • Actual running time: James was 9:43 faster on foot than Geoff.
  • Finish clock: Geoff crossed the line 0:17 ahead of James Geoff wins this head-to-head.

Δ (A − B): actual +9:43 · finish clock -0:17.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentGeoffJamesΔ
Start to Top of Stairs10:058:06+1:59
Stairs to Windy Gap7:216:04+1:17
Windy Gap to Muir Woods6:205:36+0:44
Muir Woods to Cardiac32:1328:43+3:30
Cardiac to White Gate15:3614:07+1:29
White Gate to The Stile7:297:12+0:17
The Stile to Finish2:201:53+0:27

Δ negative = Geoff ran the segment faster.