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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

Jonnie A Alper

#1158 · 1:46:00 · M62 · Group L · DR

Wave start 8:39 AM (L-DR)

Athlete B

Official

Ivy Stempkovski

#1157 · 1:42:56 · F25 · Group P · DR

Wave start 8:42 AM (P-DR)

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

Jonnie (L-DR) started at 8:39 AM; Ivy (P-DR) started at 8:42 AM. That gave Jonnie a 3 minutes head start on Ivy. On foot, Jonnie ran 1:46:00 and Ivy ran 1:42:56 — Ivy was 3:04 faster than Jonnie. Jonnie took official place 1158th (time-based 1179th) and Ivy took official place 1157th (time-based 1134th). Ivy was faster on foot and finished ahead on the official clock too. Biggest swing: Ivy gained 2:14 from Cardiac to White Gate.

Deltas

Computed

Wave start

Jonnie A Alper (L-DR) started 3 min earlier than Ivy (P-DR).

Overall place Δ
+1
Actual time Δ
+3:04
Section gap Δ
±0 (same section)
Wave start Δ
3 min (Jonnie earlier)
Finish clock Δ
+0:04
Section place Δ
-16

Δ = JonnieIvy. Negative means Jonnie is ahead/faster.

Race timeline

Computed
Jonnie (L-DR) · start 8:39 AM1:46:00
Ivy (P-DR) · start 8:42 AM1:42:56
Earliest wave start (8:39 AM)Last finish (+1:46:00)
  • Jonnie (L-DR) started at 8:39 AM.
  • Ivy (P-DR) started at 8:42 AM, 3:00 later.
  • Actual running time: Ivy was 3:04 faster on foot than Jonnie.
  • Finish clock: Ivy crossed the line 0:04 ahead of Jonnie Ivy wins this head-to-head.

Δ (A − B): actual +3:04 · finish clock +0:04.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentJonnieIvyΔ
Start to Top of Stairs12:2011:43+0:37
Stairs to Windy Gap9:0311:09-2:06
Windy Gap to Muir Woods8:097:43+0:26
Muir Woods to Cardiac40:5140:26+0:25
Cardiac to White Gate22:0319:49+2:14
White Gate to The Stile10:329:37+0:55
The Stile to Finish3:022:29+0:33

Δ negative = Jonnie ran the segment faster.