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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

Rowan E Prindiville

#177 · 1:01:51 · M18 · Group Z · INV

Wave start 8:24 AM (Z-INV)

Athlete B

Official

Jennifer J Foster

#172 · 1:14:31 · F52 · 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

Rowan (Z-INV) started at 8:24 AM; Jennifer (K-INV) started at 8:11 AM. That gave Jennifer a 13 minutes head start on Rowan. On foot, Rowan ran 1:01:51 and Jennifer ran 1:14:31 — Rowan was 12:40 faster than Jennifer. Rowan took official place 177th (time-based 105th) and Jennifer took official place 172nd (time-based 462nd). Jennifer's head start was enough to flip the official order even though Rowan was faster on foot. Biggest swing: Rowan gained 3:09 from Cardiac to White Gate.

Deltas

Computed

Wave start

Jennifer J Foster (K-INV) started 13 min earlier than Rowan (Z-INV).

Overall place Δ
+5
Actual time Δ
-12:40
Section gap Δ
±0 (same section)
Wave start Δ
13 min (Jennifer earlier)
Finish clock Δ
+0:20
Section place Δ
+16

Δ = RowanJennifer. Negative means Rowan is ahead/faster.

Race timeline

Computed
Rowan (Z-INV) · start 8:24 AM1:01:51
Jennifer (K-INV) · start 8:11 AM1:14:31
Earliest wave start (8:11 AM)Last finish (+1:14:51)
  • Jennifer (K-INV) started at 8:11 AM.
  • Rowan (Z-INV) started at 8:24 AM, 13:00 later.
  • Actual running time: Rowan was 12:40 faster on foot than Jennifer.
  • Finish clock: Jennifer crossed the line 0:20 ahead of Rowan Jennifer wins this head-to-head.

Δ (A − B): actual -12:40 · finish clock +0:20.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentRowanJenniferΔ
Start to Top of Stairs6:279:12-2:45
Stairs to Windy Gap5:086:27-1:19
Windy Gap to Muir Woods5:056:22-1:17
Muir Woods to Cardiac24:4827:18-2:30
Cardiac to White Gate12:3315:42-3:09
White Gate to The Stile6:177:22-1:05
The Stile to Finish1:332:08-0:35

Δ negative = Rowan ran the segment faster.