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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

William A Magrath

#467 · 1:15:32 · 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; William (W-INV) started at 8:21 AM. That gave Karen Simontacchi a 14 minutes head start on William. On foot, Karen Simontacchi ran 1:29:35 and William ran 1:15:32 — William was 14:03 faster than Karen Simontacchi. Karen Simontacchi took official place 468th (time-based 899th) and William took official place 467th (time-based 504th). William was faster on foot and finished ahead on the official clock too. Biggest swing: William gained 4:20 from Cardiac to White Gate.

Deltas

Computed

Wave start

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

Overall place Δ
+1
Actual time Δ
+14:03
Section gap Δ
±0 (same section)
Wave start Δ
14 min (Karen Simontacchi earlier)
Finish clock Δ
+0:03
Section place Δ
-25

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

Race timeline

Computed
Karen Simontacchi (F-INV) · start 8:07 AM1:29:35
William (W-INV) · start 8:21 AM1:15:32
Earliest wave start (8:07 AM)Last finish (+1:29:35)
  • Karen Simontacchi (F-INV) started at 8:07 AM.
  • William (W-INV) started at 8:21 AM, 14:00 later.
  • Actual running time: William was 14:03 faster on foot than Karen Simontacchi.
  • Finish clock: William crossed the line 0:03 ahead of Karen Simontacchi William wins this head-to-head.

Δ (A − B): actual +14:03 · finish clock +0:03.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentKaren SimontacchiWilliamΔ
Start to Top of Stairs10:118:34+1:37
Stairs to Windy Gap7:536:53+1:00
Windy Gap to Muir Woods7:056:01+1:04
Muir Woods to Cardiac33:3829:41+3:57
Cardiac to White Gate19:0414:44+4:20
White Gate to The Stile9:007:27+1:33
The Stile to Finish2:442:12+0:32

Δ negative = Karen Simontacchi ran the segment faster.