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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

Gretchen Andrus

#430 · 1:18:35 · F38 · Group Q · INV

Wave start 8:16 AM (Q-INV)

Athlete B

Official

Alison M Gathright

#428 · 1:19:26 · F43 · Group P · INV

Wave start 8:15 AM (P-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

Gretchen (Q-INV) started at 8:16 AM; Alison (P-INV) started at 8:15 AM. That gave Alison a 1 minute head start on Gretchen. On foot, Gretchen ran 1:18:35 and Alison ran 1:19:26 — Gretchen was 0:51 faster than Alison. Gretchen took official place 430th (time-based 595th) and Alison took official place 428th (time-based 628th). Alison's head start was enough to flip the official order even though Gretchen was faster on foot. Biggest swing: Alison gained 0:52 from Cardiac to White Gate.

Deltas

Computed

Wave start

Alison M Gathright (P-INV) started 1 min earlier than Gretchen (Q-INV).

Overall place Δ
+2
Actual time Δ
-0:51
Section gap Δ
±0 (same section)
Wave start Δ
1 min (Alison earlier)
Finish clock Δ
+0:09
Section place Δ
+14

Δ = GretchenAlison. Negative means Gretchen is ahead/faster.

Race timeline

Computed
Gretchen (Q-INV) · start 8:16 AM1:18:35
Alison (P-INV) · start 8:15 AM1:19:26
Earliest wave start (8:15 AM)Last finish (+1:19:35)
  • Alison (P-INV) started at 8:15 AM.
  • Gretchen (Q-INV) started at 8:16 AM, 1:00 later.
  • Actual running time: Gretchen was 0:51 faster on foot than Alison.
  • Finish clock: Alison crossed the line 0:09 ahead of Gretchen Alison wins this head-to-head.

Δ (A − B): actual -0:51 · finish clock +0:09.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentGretchenAlisonΔ
Start to Top of Stairs8:439:22-0:39
Stairs to Windy Gap7:047:03+0:01
Windy Gap to Muir Woods6:277:00-0:33
Muir Woods to Cardiac30:0330:17-0:14
Cardiac to White Gate16:3815:46+0:52
White Gate to The Stile7:337:53-0:20
The Stile to Finish2:072:05+0:02

Δ negative = Gretchen ran the segment faster.