Upcoming 70.3 Duathlons

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

7
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 September and December, with the most in Florida, Colorado, Idaho, and Oregon.

Frequently Asked Questions

How many 70.3 duathlons are there in the US?
Endurance Grid's Race Calendar lists 7 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 Florida, Colorado, Idaho, Oregon, Pennsylvania, and Tennessee.