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Ironman California 70.3 - Bike Course

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Bike 56 miles

The California Ironman 70.3 bike course is 56 miles single loop course. The bike course runs along the ocean heading north for the first 20 miles, flat and fast. At mile 23 you head into Camp Pendleton, just as you enter the base you will find the second aid station. Inside the base you will have 3 major hills the biggest at mile 35 known as the monster.

Elevation Total(ft)
Total Elevation 5,289
Elevation Gain 2,681
Elevation Loss 2,608
Start Elevation 40
Finish Elevation 112
Min. Elevation 40
Max. Elevation 480
Grade Average % Maximum %
Overall Grade 0.0  
Ascent 2.3 12.6
Descent -1.5 -10.4
Distance Distribution miles % of total
Distance 56 100%
Ascent 8.38 15.1%
Descent 8.56 15.4%
Flats 38.63 69.5%

 

There will be a NO PASSING / NO SPEEDING zone on the first long descent on Basilone Road (approx 39 to 40 miles into the bike course). The speed limit on this dangerous descent will be 25 miles per hour. In 2000, a rider lost control and was was actually killed. Officials are very serious about this descent and have radar guns to enforce the speed limit. You will be DQ if your speeding.

Aid Stations:3 aid stations located approximately mile maker 13, 26, and 45. Aid stations provide:

  • Gatorade Endurance Formula/ Orange Flavor
  • Water
  • PowerBar Gel
  • PowerBar
  • Bananas
  • Oranges