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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

Thomas B Pryor

#416 · 1:18:59 · M59 · Group P · INV

Wave start 8:15 AM (P-INV)

Athlete B

Official

Sibley McMonsef

#418 · 1:23:02 · F11 · Group K · INV

Wave start 8:11 AM (K-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

Thomas (P-INV) started at 8:15 AM; Sibley (K-INV) started at 8:11 AM. That gave Sibley a 4 minutes head start on Thomas. On foot, Thomas ran 1:18:59 and Sibley ran 1:23:02 — Thomas was 4:03 faster than Sibley. Thomas took official place 416th (time-based 613th) and Sibley took official place 418th (time-based 740th). Thomas was faster on foot and finished ahead on the official clock too. Biggest swing: Thomas gained 4:40 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Sibley McMonsef (K-INV) started 4 min earlier than Thomas (P-INV).

Overall place Δ
-2
Actual time Δ
-4:03
Section gap Δ
±0 (same section)
Wave start Δ
4 min (Sibley earlier)
Finish clock Δ
-0:03
Section place Δ
+20

Δ = ThomasSibley. Negative means Thomas is ahead/faster.

Race timeline

Computed
Thomas (P-INV) · start 8:15 AM1:18:59
Sibley (K-INV) · start 8:11 AM1:23:02
Earliest wave start (8:11 AM)Last finish (+1:23:02)
  • Sibley (K-INV) started at 8:11 AM.
  • Thomas (P-INV) started at 8:15 AM, 4:00 later.
  • Actual running time: Thomas was 4:03 faster on foot than Sibley.
  • Finish clock: Thomas crossed the line 0:03 ahead of Sibley Thomas wins this head-to-head.

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

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentThomasSibleyΔ
Start to Top of Stairs8:439:01-0:18
Stairs to Windy Gap7:007:40-0:40
Windy Gap to Muir Woods7:416:57+0:44
Muir Woods to Cardiac28:0032:40-4:40
Cardiac to White Gate17:0416:10+0:54
White Gate to The Stile8:178:09+0:08
The Stile to Finish2:142:25-0:11

Δ negative = Thomas ran the segment faster.