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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

Heidi K Hugo

#402 · 1:33:25 · F66 · Group AAA · INV

Wave start 8:00 AM (AAA-INV)

Athlete B

Official

David T Lam

#397 · 1:10:15 · M41 · 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

Heidi (AAA-INV) started at 8:00 AM; David (Y-INV) started at 8:23 AM. That gave Heidi a 23 minutes head start on David. On foot, Heidi ran 1:33:25 and David ran 1:10:15 — David was 23:10 faster than Heidi. Heidi took official place 402nd (time-based 970th) and David took official place 397th (time-based 334th). David was faster on foot and finished ahead on the official clock too. Biggest swing: David gained 8:59 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Heidi K Hugo (AAA-INV) started 23 min earlier than David (Y-INV).

Overall place Δ
+5
Actual time Δ
+23:10
Section gap Δ
±0 (same section)
Wave start Δ
23 min (Heidi earlier)
Finish clock Δ
+0:10
Section place Δ
-68

Δ = HeidiDavid. Negative means Heidi is ahead/faster.

Race timeline

Computed
Heidi (AAA-INV) · start 8:00 AM1:33:25
David (Y-INV) · start 8:23 AM1:10:15
Earliest wave start (8:00 AM)Last finish (+1:33:25)
  • Heidi (AAA-INV) started at 8:00 AM.
  • David (Y-INV) started at 8:23 AM, 23:00 later.
  • Actual running time: David was 23:10 faster on foot than Heidi.
  • Finish clock: David crossed the line 0:10 ahead of Heidi David wins this head-to-head.

Δ (A − B): actual +23:10 · finish clock +0:10.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentHeidiDavidΔ
Start to Top of Stairs11:208:16+3:04
Stairs to Windy Gap8:276:05+2:22
Windy Gap to Muir Woods7:455:36+2:09
Muir Woods to Cardiac35:2526:26+8:59
Cardiac to White Gate18:3314:53+3:40
White Gate to The Stile9:087:07+2:01
The Stile to Finish2:471:52+0:55

Δ negative = Heidi ran the segment faster.