IRONMAN Wisconsin 70.3

Last time updated: 21 April, 2025
IRONMAN Wisconsin 70.3:
IRONMAN Wisconsin 70.3:
Ironman Wisconsin

Description of the course

The IRONMAN Wisconsin 70.3 course is a challenging but scenic one, taking competitors on a scenic journey around the shores of Lake Monona in Madison, Wisconsin.

1 loop swim leg starts at the University of Wisconsin-Madison’s Union South Beach. The water is typically calm and refreshing, making it a great place to start the race.

Emerging from the water, athletes embark on a 1 loop bike ride that challenges their endurance and stamina. The course takes them through the scenic countryside of Dane County, traversing rolling hills and farmlands before entering the city of Madison. The city offers stunning views of the lake and the surrounding area.

1 loop takes athletes through the streets of Madison. The course winds its way through the city’s historic downtown area, past landmarks like the Wisconsin State Capitol and the University of Wisconsin-Madison campus.

Weather Conditions

The weather in Madison, Wisconsin, in September 2023 presented a mix of conditions, with variability in temperature and some precipitation.

The month began with warmer temperatures, with highs reaching up to around 34°C (94°F) and lows around approximately 21°C (70°F). As the month progressed, the temperatures varied, with some days experiencing highs in the around 31°C (upper 80s°F) and lows in the around 18-19°C (mid-60s°F).

The latter part of September saw a notable decrease in temperatures, with highs dropping to around 20°C (upper 60s°F) and lows reaching down to around 7°C (mid-40s°F).

The average water temperature in Lake Monona, Wisconsin, in September is 18°C (65°F).

Race statistics

IRONMAN Wisconsin 70.3 / Athletes

IRONMAN Wisconsin 70.3 / DNF, DNS, DQ, NC

IRONMAN Wisconsin 70.3 / Gender

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