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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

Arianna Gragg

#534 · 1:05:09 · F26 · Group Q · DR

Wave start 8:43 AM (Q-DR)

Athlete B

Official

Geoffrey Heath

#535 · 1:25:35 · M35 · Group Y · INV

Wave start 8:23 AM (Y-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

Arianna (Q-DR) started at 8:43 AM; Geoffrey (Y-INV) started at 8:23 AM. That gave Geoffrey a 20 minutes head start on Arianna because the Runner wave starts 27 minutes after the Invitational wave. On foot, Arianna ran 1:05:09 and Geoffrey ran 1:25:35 — Arianna was 20:26 faster than Geoffrey. Arianna took official place 534th (time-based 184th) and Geoffrey took official place 535th (time-based 804th). Arianna was faster on foot and finished ahead on the official clock too. Biggest swing: Arianna gained 6:57 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Geoffrey Heath (Y-INV) started 20 min earlier than Arianna (Q-DR).

The Runner wave starts 27 min after the Invitational wave.

Overall place Δ
-1
Actual time Δ
-20:26
Section gap Δ
27 min (Geoffrey earlier)
Wave start Δ
20 min (Geoffrey earlier)
Finish clock Δ
-0:26
Section place Δ

Δ = AriannaGeoffrey. Negative means Arianna is ahead/faster.

Race timeline

Computed
Arianna (Q-DR) · start 8:43 AM1:05:09
Geoffrey (Y-INV) · start 8:23 AM1:25:35
Earliest wave start (8:23 AM)Last finish (+1:25:35)
  • Geoffrey (Y-INV) started at 8:23 AM.
  • Arianna (Q-DR) started at 8:43 AM, 20:00 later — the Invitational wave starts 27 min before the Runner wave.
  • Actual running time: Arianna was 20:26 faster on foot than Geoffrey.
  • Finish clock: Arianna crossed the line 0:26 ahead of Geoffrey Arianna wins this head-to-head.

Δ (A − B): actual -20:26 · finish clock -0:26.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentAriannaGeoffreyΔ
Start to Top of Stairs8:018:09-0:08
Stairs to Windy Gap5:436:56-1:13
Windy Gap to Muir Woods5:336:34-1:01
Muir Woods to Cardiac25:3732:34-6:57
Cardiac to White Gate12:1318:25-6:12
White Gate to The Stile6:2010:09-3:49
The Stile to Finish1:422:48-1:06

Δ negative = Arianna ran the segment faster.