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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

Karen Simontacchi Brisson

#468 · 1:29:35 · F58 · Group F · INV

Wave start 8:07 AM (F-INV)

Athlete B

Official

Toby J Roessingh

#473 · 1:16:01 · M46 · Group W · INV

Wave start 8:21 AM (W-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

Karen Simontacchi (F-INV) started at 8:07 AM; Toby (W-INV) started at 8:21 AM. That gave Karen Simontacchi a 14 minutes head start on Toby. On foot, Karen Simontacchi ran 1:29:35 and Toby ran 1:16:01 — Toby was 13:34 faster than Karen Simontacchi. Karen Simontacchi took official place 468th (time-based 899th) and Toby took official place 473rd (time-based 522nd). Karen Simontacchi's head start was enough to flip the official order even though Toby was faster on foot. Biggest swing: Toby gained 5:15 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Karen Simontacchi Brisson (F-INV) started 14 min earlier than Toby (W-INV).

Overall place Δ
-5
Actual time Δ
+13:34
Section gap Δ
±0 (same section)
Wave start Δ
14 min (Karen Simontacchi earlier)
Finish clock Δ
-0:26
Section place Δ
-26

Δ = Karen SimontacchiToby. Negative means Karen Simontacchi is ahead/faster.

Race timeline

Computed
Karen Simontacchi (F-INV) · start 8:07 AM1:29:35
Toby (W-INV) · start 8:21 AM1:16:01
Earliest wave start (8:07 AM)Last finish (+1:30:01)
  • Karen Simontacchi (F-INV) started at 8:07 AM.
  • Toby (W-INV) started at 8:21 AM, 14:00 later.
  • Actual running time: Toby was 13:34 faster on foot than Karen Simontacchi.
  • Finish clock: Karen Simontacchi crossed the line 0:26 ahead of Toby Karen Simontacchi wins this head-to-head.

Δ (A − B): actual +13:34 · finish clock -0:26.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentKaren SimontacchiTobyΔ
Start to Top of Stairs10:118:35+1:36
Stairs to Windy Gap7:536:02+1:51
Windy Gap to Muir Woods7:056:35+0:30
Muir Woods to Cardiac33:3828:23+5:15
Cardiac to White Gate19:0415:59+3:05
White Gate to The Stile9:008:08+0:52
The Stile to Finish2:442:19+0:25

Δ negative = Karen Simontacchi ran the segment faster.