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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

Sean Riedel

#37 · 54:23 · M27 · Group Z · INV

Wave start 8:24 AM (Z-INV)

Athlete B

Official

Chris Lundy

#1 · 1:00:42 · F55 · Group J · INV

Wave start 8:10 AM (J-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

Sean (Z-INV) started at 8:24 AM; Chris (J-INV) started at 8:10 AM. That gave Chris a 14 minutes head start on Sean. On foot, Sean ran 54:23 and Chris ran 1:00:42 — Sean was 6:19 faster than Chris. Sean took official place 37th (time-based 14th) and Chris took official place 1st (time-based 71st). Chris's head start was enough to flip the official order even though Sean was faster on foot. Biggest swing: Sean gained 1:22 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Chris Lundy (J-INV) started 14 min earlier than Sean (Z-INV).

Overall place Δ
+36
Actual time Δ
-6:19
Section gap Δ
±0 (same section)
Wave start Δ
14 min (Chris earlier)
Finish clock Δ
+7:41
Section place Δ
+3

Δ = SeanChris. Negative means Sean is ahead/faster.

Race timeline

Computed
Sean (Z-INV) · start 8:24 AM54:23
Chris (J-INV) · start 8:10 AM1:00:42
Earliest wave start (8:10 AM)Last finish (+1:08:23)
  • Chris (J-INV) started at 8:10 AM.
  • Sean (Z-INV) started at 8:24 AM, 14:00 later.
  • Actual running time: Sean was 6:19 faster on foot than Chris.
  • Finish clock: Chris crossed the line 7:41 ahead of Sean Chris wins this head-to-head.

Δ (A − B): actual -6:19 · finish clock +7:41.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentSeanChrisΔ
Start to Top of Stairs6:307:31-1:01
Stairs to Windy Gap4:545:35-0:41
Windy Gap to Muir Woods4:265:25-0:59
Muir Woods to Cardiac20:4822:10-1:22
Cardiac to White Gate11:0512:14-1:09
White Gate to The Stile5:075:57-0:50
The Stile to Finish1:331:50-0:17

Δ negative = Sean ran the segment faster.