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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

Vince D'Onofrio

#26 · 53:57 · M39 · Group Y · INV

Wave start 8:23 AM (Y-INV)

Athlete B

Official

Samuel J Nickelsen

#31 · 57:18 · M48 · Group V · INV

Wave start 8:20 AM (V-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

Vince (Y-INV) started at 8:23 AM; Samuel (V-INV) started at 8:20 AM. That gave Samuel a 3 minutes head start on Vince. On foot, Vince ran 53:57 and Samuel ran 57:18 — Vince was 3:21 faster than Samuel. Vince took official place 26th (time-based 13th) and Samuel took official place 31st (time-based 34th). Vince was faster on foot and finished ahead on the official clock too. Biggest swing: Vince gained 1:50 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Samuel J Nickelsen (V-INV) started 3 min earlier than Vince (Y-INV).

Overall place Δ
-5
Actual time Δ
-3:21
Section gap Δ
±0 (same section)
Wave start Δ
3 min (Samuel earlier)
Finish clock Δ
-0:21
Section place Δ
+3

Δ = VinceSamuel. Negative means Vince is ahead/faster.

Race timeline

Computed
Vince (Y-INV) · start 8:23 AM53:57
Samuel (V-INV) · start 8:20 AM57:18
Earliest wave start (8:20 AM)Last finish (+57:18)
  • Samuel (V-INV) started at 8:20 AM.
  • Vince (Y-INV) started at 8:23 AM, 3:00 later.
  • Actual running time: Vince was 3:21 faster on foot than Samuel.
  • Finish clock: Vince crossed the line 0:21 ahead of Samuel Vince wins this head-to-head.

Δ (A − B): actual -3:21 · finish clock -0:21.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentVinceSamuelΔ
Start to Top of Stairs6:036:44-0:41
Stairs to Windy Gap4:495:14-0:25
Windy Gap to Muir Woods4:464:52-0:06
Muir Woods to Cardiac19:5721:47-1:50
Cardiac to White Gate11:1111:10+0:01
White Gate to The Stile5:385:47-0:09
The Stile to Finish1:331:44-0:11

Δ negative = Vince ran the segment faster.