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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

Brian A Foster

#306 · 1:10:44 · M49 · Group V · INV

Wave start 8:20 AM (V-INV)

Athlete B

Official

Timo J Allison

#305 · 1:15:42 · M59 · 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

Brian (V-INV) started at 8:20 AM; Timo (P-INV) started at 8:15 AM. That gave Timo a 5 minutes head start on Brian. On foot, Brian ran 1:10:44 and Timo ran 1:15:42 — Brian was 4:58 faster than Timo. Brian took official place 306th (time-based 348th) and Timo took official place 305th (time-based 510th). Timo's head start was enough to flip the official order even though Brian was faster on foot. Biggest swing: Brian gained 1:34 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Timo J Allison (P-INV) started 5 min earlier than Brian (V-INV).

Overall place Δ
+1
Actual time Δ
-4:58
Section gap Δ
±0 (same section)
Wave start Δ
5 min (Timo earlier)
Finish clock Δ
+0:02
Section place Δ
-3

Δ = BrianTimo. Negative means Brian is ahead/faster.

Race timeline

Computed
Brian (V-INV) · start 8:20 AM1:10:44
Timo (P-INV) · start 8:15 AM1:15:42
Earliest wave start (8:15 AM)Last finish (+1:15:44)
  • Timo (P-INV) started at 8:15 AM.
  • Brian (V-INV) started at 8:20 AM, 5:00 later.
  • Actual running time: Brian was 4:58 faster on foot than Timo.
  • Finish clock: Timo crossed the line 0:02 ahead of Brian Timo wins this head-to-head.

Δ (A − B): actual -4:58 · finish clock +0:02.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentBrianTimoΔ
Start to Top of Stairs8:009:05-1:05
Stairs to Windy Gap6:066:03+0:03
Windy Gap to Muir Woods5:406:27-0:47
Muir Woods to Cardiac26:1827:52-1:34
Cardiac to White Gate14:4316:01-1:18
White Gate to The Stile7:428:00-0:18
The Stile to Finish2:152:14+0:01

Δ negative = Brian ran the segment faster.