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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

Mark Vaughn

#756 · 1:18:37 · M47 · Group W · DR

Wave start 8:48 AM (W-DR)

Athlete B

Official

Mike Duboe

#755 · 1:16:35 · M41 · Group Y · DR

Wave start 8:50 AM (Y-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

Mark (W-DR) started at 8:48 AM; Mike (Y-DR) started at 8:50 AM. That gave Mark a 2 minutes head start on Mike. On foot, Mark ran 1:18:37 and Mike ran 1:16:35 — Mike was 2:02 faster than Mark. Mark took official place 756th (time-based 597th) and Mike took official place 755th (time-based 541st). Mike was faster on foot and finished ahead on the official clock too. Biggest swing: Mike gained 1:51 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Mark Vaughn (W-DR) started 2 min earlier than Mike (Y-DR).

Overall place Δ
+1
Actual time Δ
+2:02
Section gap Δ
±0 (same section)
Wave start Δ
2 min (Mark earlier)
Finish clock Δ
+0:02
Section place Δ
-22

Δ = MarkMike. Negative means Mark is ahead/faster.

Race timeline

Computed
Mark (W-DR) · start 8:48 AM1:18:37
Mike (Y-DR) · start 8:50 AM1:16:35
Earliest wave start (8:48 AM)Last finish (+1:18:37)
  • Mark (W-DR) started at 8:48 AM.
  • Mike (Y-DR) started at 8:50 AM, 2:00 later.
  • Actual running time: Mike was 2:02 faster on foot than Mark.
  • Finish clock: Mike crossed the line 0:02 ahead of Mark Mike wins this head-to-head.

Δ (A − B): actual +2:02 · finish clock +0:02.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentMarkMikeΔ
Start to Top of Stairs10:038:21+1:42
Stairs to Windy Gap6:456:17+0:28
Windy Gap to Muir Woods6:127:26-1:14
Muir Woods to Cardiac30:1928:28+1:51
Cardiac to White Gate15:2716:27-1:00
White Gate to The Stile7:397:40-0:01
The Stile to Finish2:121:56+0:16

Δ negative = Mark ran the segment faster.