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Ironman California 70.3 - Swim Course

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Ironman California 70.3
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Swim 1.2 miles

The California Ironman 70.3 swim course is a one loop swim course in the Oceanside harbor. The course follows a dog leg format, starting at the boat launch and angles left toward the mouth of the harbor, and turns around where it meets the Boat Basin entrance. Spectators can follow the athletes along the harbor rocks for the first and last 1/4 mile.

  • average water temperature on race day is 55-60 F / 12-16 C
  • water: ocean
  • deep water / wave start

Transition

The Transition area opens at 4:45 AM. Both T1 and T2 are located in the same location at the harbor. Racks are assigned to your bib number and age group. Bathrooms can be found at the far north end of the Transition area, just outside of the racks area.

Ironman Oceanside 70.3 swim start

2009 Swim Waves

Wave # Time Division Wave # Time Division
1 6:40 Pro M 11 7:13 M 18-24 / M 50-54
2 6:43 Pro W 12 7:17 M 55 + / W 40-44
3 6:46 CAF 13 7:21 W 18-24 / w 45+
4 6:50 M 25-29 14 7:25 W 25-29
5 6:53 M 25-29 15 7:29 W 35-39
6 6:57 M 40-44 16 7:33 W 30-34
7 7:00 M 40-44 17 7:37 M 45-49
8 7:03 M 35-39 18 7:41 M 30-34
9 7:07 M 35-39 19 7:45 M 30-34
10 7:10 M 35-39 20 7:48 M 30-34