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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

Jackson Gifford

#207 · 1:07:13 · M14 · Group V · INV

Wave start 8:20 AM (V-INV)

Athlete B

Official

Calvin French-Owen

#209 · 1:04:15 · 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

Jackson (V-INV) started at 8:20 AM; Calvin (Y-INV) started at 8:23 AM. That gave Jackson a 3 minutes head start on Calvin. On foot, Jackson ran 1:07:13 and Calvin ran 1:04:15 — Calvin was 2:58 faster than Jackson. Jackson took official place 207th (time-based 242nd) and Calvin took official place 209th (time-based 159th). Jackson's head start was enough to flip the official order even though Calvin was faster on foot. Biggest swing: Calvin gained 1:46 from Muir Woods to Cardiac.

Deltas

Computed

Wave start

Jackson Gifford (V-INV) started 3 min earlier than Calvin (Y-INV).

Overall place Δ
-2
Actual time Δ
+2:58
Section gap Δ
±0 (same section)
Wave start Δ
3 min (Jackson earlier)
Finish clock Δ
-0:02
Section place Δ
-29

Δ = JacksonCalvin. Negative means Jackson is ahead/faster.

Race timeline

Computed
Jackson (V-INV) · start 8:20 AM1:07:13
Calvin (Y-INV) · start 8:23 AM1:04:15
Earliest wave start (8:20 AM)Last finish (+1:07:15)
  • Jackson (V-INV) started at 8:20 AM.
  • Calvin (Y-INV) started at 8:23 AM, 3:00 later.
  • Actual running time: Calvin was 2:58 faster on foot than Jackson.
  • Finish clock: Jackson crossed the line 0:02 ahead of Calvin Jackson wins this head-to-head.

Δ (A − B): actual +2:58 · finish clock -0:02.

Position through the course

Official

Segment-by-segment splits

Official
Segment-by-segment splits comparing the two selected athletes.
SegmentJacksonCalvinΔ
Start to Top of Stairs7:257:30-0:05
Stairs to Windy Gap5:455:33+0:12
Windy Gap to Muir Woods5:405:41-0:01
Muir Woods to Cardiac25:1323:27+1:46
Cardiac to White Gate14:0113:31+0:30
White Gate to The Stile7:086:43+0:25
The Stile to Finish2:011:50+0:11

Δ negative = Jackson ran the segment faster.