Running races in or near Sioux City, IA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Sioux City, IA 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.
Running-339 Miles - Register as Team Captain
Organization: Relay Iowa
Date of Race: 06-06-2025
Description: Relay Iowa is the World's Longest Relay ...
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Running-339 Miles - Runners Joining a Team
Organization: Relay Iowa
Date of Race: 06-06-2025
Description: Relay Iowa is the World's Longest Relay ...
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10K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 05-12-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 05-12-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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5K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 05-12-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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Half Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 05-12-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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50K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 05-12-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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50K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 05-13-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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5K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 05-13-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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Half Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 05-13-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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10K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 05-13-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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2025 Prairie Series - Day 4 (NE)
Organization: Mainly Marathons
Date of Race: 05-12-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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2025 Prairie Series - Day 5 (IA)
Organization: Mainly Marathons
Date of Race: 05-13-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 05-13-2025
Description: World's Best Marathon Half Series! No Time Limits Great Food ...
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Relay Iowa 2025
Organization: Relay Iowa
Date of Race: 06-06-2025
Description: Relay Iowa is the World's Longest Relay ...
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Complete list of running events in and near Sioux City, IA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Sioux City
About Sioux City
Sioux City (IA) is a city in Woodbury County with an estimated population of 82,684.[4]
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Did you know?
Historically, more marathons are run in the month of October than any other month (in the U.S.).
