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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

Rob Spinosa

#394 · 1:15:07 · M55 · Group T · INV

Wave start 8:18 AM (T-INV)

Athlete B

Official

Matthew J Barkovich

#396 · 1:10:10 · M38 · 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

Rob (T-INV) started at 8:18 AM; Matthew (Y-INV) started at 8:23 AM. That gave Rob a 5 minutes head start on Matthew. On foot, Rob ran 1:15:07 and Matthew ran 1:10:10 — Matthew was 4:57 faster than Rob. Rob took official place 394th (time-based 485th) and Matthew took official place 396th (time-based 331st). Rob's head start was enough to flip the official order even though Matthew was faster on foot. Biggest swing: Matthew gained 3:08 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Rob Spinosa (T-INV) started 5 min earlier than Matthew (Y-INV).

Overall place Δ
-2
Actual time Δ
+4:57
Section gap Δ
±0 (same section)
Wave start Δ
5 min (Rob earlier)
Finish clock Δ
-0:03
Section place Δ
-60

Δ = RobMatthew. Negative means Rob is ahead/faster.

Race timeline

Computed
Rob (T-INV) · start 8:18 AM1:15:07
Matthew (Y-INV) · start 8:23 AM1:10:10
Earliest wave start (8:18 AM)Last finish (+1:15:10)
  • Rob (T-INV) started at 8:18 AM.
  • Matthew (Y-INV) started at 8:23 AM, 5:00 later.
  • Actual running time: Matthew was 4:57 faster on foot than Rob.
  • Finish clock: Rob crossed the line 0:03 ahead of Matthew Rob wins this head-to-head.

Δ (A − B): actual +4:57 · finish clock -0:03.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentRobMatthewΔ
Start to Top of Stairs8:287:53+0:35
Stairs to Windy Gap6:516:04+0:47
Windy Gap to Muir Woods5:436:27-0:44
Muir Woods to Cardiac29:1326:05+3:08
Cardiac to White Gate15:2314:30+0:53
White Gate to The Stile7:187:10+0:08
The Stile to Finish2:112:01+0:10

Δ negative = Rob ran the segment faster.