Upcoming 70.3 Duathlons

Endurance Grid lists eight 70.3 duathlons across the US, from November 2026 to September 2027 across 6 states.

8
Races
6
States

What a 70.3 duathlon is

A long-course duathlon (labeled 70.3) is a run–bike–run race over long-course distances.

70.3 duathlons are busiest in June and December, with the most in Michigan, Florida, Iowa, and Idaho.

Frequently Asked Questions

How many 70.3 duathlons are there in the US?
Endurance Grid's Race Calendar lists 8 upcoming 70.3 duathlons across 6 states.
How far is a 70.3 duathlon?
A long-course duathlon (labeled 70.3) is a run–bike–run race over long-course distances.
Which states have the most 70.3 duathlons?
The states with the most 70.3 duathlons on Endurance Grid's Race Calendar are Michigan, Florida, Iowa, Idaho, Oregon, and Pennsylvania.