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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

Nathan T Williams

#17 · 52:22 · M29 · Group Z · INV

Wave start 8:24 AM (Z-INV)

Athlete B

Official

Joseph Roldan

#22 · 53:28 · M36 · 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

Nathan (Z-INV) started at 8:24 AM; Joseph (Y-INV) started at 8:23 AM. That gave Joseph a 1 minute head start on Nathan. On foot, Nathan ran 52:22 and Joseph ran 53:28 — Nathan was 1:06 faster than Joseph. Nathan took official place 17th (time-based 5th) and Joseph took official place 22nd (time-based 12th). Nathan was faster on foot and finished ahead on the official clock too. Biggest swing: Nathan gained 0:26 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Joseph Roldan (Y-INV) started 1 min earlier than Nathan (Z-INV).

Overall place Δ
-5
Actual time Δ
-1:06
Section gap Δ
±0 (same section)
Wave start Δ
1 min (Joseph earlier)
Finish clock Δ
-0:06
Section place Δ
-2

Δ = NathanJoseph. Negative means Nathan is ahead/faster.

Race timeline

Computed
Nathan (Z-INV) · start 8:24 AM52:22
Joseph (Y-INV) · start 8:23 AM53:28
Earliest wave start (8:23 AM)Last finish (+53:28)
  • Joseph (Y-INV) started at 8:23 AM.
  • Nathan (Z-INV) started at 8:24 AM, 1:00 later.
  • Actual running time: Nathan was 1:06 faster on foot than Joseph.
  • Finish clock: Nathan crossed the line 0:06 ahead of Joseph Nathan wins this head-to-head.

Δ (A − B): actual -1:06 · finish clock -0:06.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentNathanJosephΔ
Start to Top of Stairs6:356:25+0:10
Stairs to Windy Gap4:364:43-0:07
Windy Gap to Muir Woods4:274:46-0:19
Muir Woods to Cardiac19:5320:19-0:26
Cardiac to White Gate10:0910:22-0:13
White Gate to The Stile5:125:17-0:05
The Stile to Finish1:301:36-0:06

Δ negative = Nathan ran the segment faster.