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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

Ian Oprendek

#1364 · 2:10:01 · M28 · Group Z · DR

Wave start 8:51 AM (Z-DR)

Athlete B

Official

Jeff S Goulding

#1362 · 2:25:52 · M67 · Group G · DR

Wave start 8:35 AM (G-DR)

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

Ian (Z-DR) started at 8:51 AM; Jeff (G-DR) started at 8:35 AM. That gave Jeff a 16 minutes head start on Ian. On foot, Ian ran 2:10:01 and Jeff ran 2:25:52 — Ian was 15:51 faster than Jeff. Ian took official place 1364th (time-based 1331st) and Jeff took official place 1362nd (time-based 1361st). Jeff's head start was enough to flip the official order even though Ian was faster on foot. Biggest swing: Ian gained 5:32 from Windy Gap to Muir Woods.

Deltas

Computed

Wave start

Jeff S Goulding (G-DR) started 16 min earlier than Ian (Z-DR).

Overall place Δ
+2
Actual time Δ
-15:51
Section gap Δ
±0 (same section)
Wave start Δ
16 min (Jeff earlier)
Finish clock Δ
+0:09
Section place Δ
+41

Δ = IanJeff. Negative means Ian is ahead/faster.

Race timeline

Computed
Ian (Z-DR) · start 8:51 AM2:10:01
Jeff (G-DR) · start 8:35 AM2:25:52
Earliest wave start (8:35 AM)Last finish (+2:26:01)
  • Jeff (G-DR) started at 8:35 AM.
  • Ian (Z-DR) started at 8:51 AM, 16:00 later.
  • Actual running time: Ian was 15:51 faster on foot than Jeff.
  • Finish clock: Jeff crossed the line 0:09 ahead of Ian Jeff wins this head-to-head.

Δ (A − B): actual -15:51 · finish clock +0:09.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentIanJeffΔ
Start to Top of Stairs12:4316:32-3:49
Stairs to Windy Gap11:4711:26+0:21
Windy Gap to Muir Woods8:3614:08-5:32
Muir Woods to Cardiac48:2949:04-0:35
Cardiac to White Gate28:2333:21-4:58
White Gate to The Stile16:3617:20-0:44
The Stile to Finish3:274:01-0:34

Δ negative = Ian ran the segment faster.