Running races in or near Clayton, DE
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Clayton, DE area. Races listed here include both walking and running events of various distances — from 1-milers, to 5Ks, to marathons, and everything else in between.
Half Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-04-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
View Race Details View on Map
5K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-04-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
View Race Details View on Map
Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-04-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
View Race Details View on Map
10K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-04-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
View Race Details View on Map
50K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-04-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
View Race Details View on Map
2025 Independence Series - Day 1 (DE)
Organization: Mainly Marathons
Date of Race: 06-04-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
View Race Details View on Map
Complete list of running events in and near Clayton, DE: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Clayton
About Clayton
Clayton (DE) is a town in Kent County with an estimated population of 2,918.[4]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
There were at least 768 marathons scheduled in the United States and Canada in 2016.
