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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

Luca L Valeriano

#222 · 1:07:51 · M14 · Group V · INV

Wave start 8:20 AM (V-INV)

Athlete B

Official

Rowan Bolduc

#224 · 1:03:53 · M32 · Group Z · INV

Wave start 8:24 AM (Z-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

Luca (V-INV) started at 8:20 AM; Rowan (Z-INV) started at 8:24 AM. That gave Luca a 4 minutes head start on Rowan. On foot, Luca ran 1:07:51 and Rowan ran 1:03:53 — Rowan was 3:58 faster than Luca. Luca took official place 222nd (time-based 257th) and Rowan took official place 224th (time-based 150th). Luca's head start was enough to flip the official order even though Rowan was faster on foot. Biggest swing: Rowan gained 1:19 from Cardiac to White Gate.

Deltas

Computed

Wave start

Luca L Valeriano (V-INV) started 4 min earlier than Rowan (Z-INV).

Overall place Δ
-2
Actual time Δ
+3:58
Section gap Δ
±0 (same section)
Wave start Δ
4 min (Luca earlier)
Finish clock Δ
-0:02
Section place Δ
-13

Δ = LucaRowan. Negative means Luca is ahead/faster.

Race timeline

Computed
Luca (V-INV) · start 8:20 AM1:07:51
Rowan (Z-INV) · start 8:24 AM1:03:53
Earliest wave start (8:20 AM)Last finish (+1:07:53)
  • Luca (V-INV) started at 8:20 AM.
  • Rowan (Z-INV) started at 8:24 AM, 4:00 later.
  • Actual running time: Rowan was 3:58 faster on foot than Luca.
  • Finish clock: Luca crossed the line 0:02 ahead of Rowan Luca wins this head-to-head.

Δ (A − B): actual +3:58 · finish clock -0:02.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentLucaRowanΔ
Start to Top of Stairs7:467:07+0:39
Stairs to Windy Gap5:425:32+0:10
Windy Gap to Muir Woods5:425:05+0:37
Muir Woods to Cardiac25:4224:56+0:46
Cardiac to White Gate14:1112:52+1:19
White Gate to The Stile7:026:33+0:29
The Stile to Finish1:461:48-0:02

Δ negative = Luca ran the segment faster.