Boulder Ironman 70.3

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Boulder Ironman 70.3
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August 8, 2010

Boulder Reservoir, Colorado

The 5430 Long Course Triathlon is the third of three races comprising the 2009 Boulder Triathlon Series. The other two are the 5430 Sprint Triathlon on June 21, and the Boulder Peak Triathlon on July 12. A great race with spectacular views, challenging course, and amazing volunteer support.

official site
Registration: $160 - 195

Swim 1.2 miles

The Boulder 5430 Triathlon swim course is a one loop swim course in the Boulder Reservoir. The start will be from the right (or east) of the public swim area, and the finish will be past the Pavilion Building, directly “above,” or north, of the Transition Area.

average water temperature on race day is 74 F / 24C
fresh water
wave start

Bike 56 miles

The Boulder 5430 Triathlon bike course is comprised of two loops, with a total of 6 aid stations on the 56-mile course.

Elevation	Total(ft)
Total Elevation	6,207
Elevation Gain	3,103
Elevation Loss	3,104
Start Elevation	5,196
Finish Elevation	5,196
Min. Elevation	5,055
Max. Elevation	5,702

Grade	Average %	Maximum %
Overall Grade	0.0
Ascent	2.0	11.3
Descent	-2.3	-12.1

Distance Distribution	miles	% of total
Distance	56	100%
Ascent	10	18%
Descent	10	17.5%
Flats	36	64.5%

Aid Stations: 3 aid stations. First aid station is located at mile 6Aid stations provide:

Gatorade Endurance bottles
water bottles

Run 13.1

The Boulder 5430 Triathlon run course is a two-loop course that cirlces around the reservoir.

Elevation	Total(ft)
Total Elevation	1.250
Elevation Gain	624
Elevation Loss	626
Start Elevation	5,190
Finish Elevation	5,187
Min. Elevation	5,173
Max. Elevation	5,257

Distance Distribution	miles	% of total
Distance	13.1	100%
Ascent	2.16	16.5%
Descent	2.13	16.2%
Flats	8.83	67.3%

Aid Stations: located approximately every mile, serving:

Gatorade Endurance Formula lemon-lime
Water
At 2 or 3 stations, ice, de-fizzed coke, and pretzels will be available