Running races in or near Lake Oswego, OR
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Lake Oswego, OR 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-5K - Individual Age group/open
Organization: Kool AF and the Gang
Date of Race: 04-06-2025
Description: April Fool’s Run 5K – Run Like a Fool, But for ...
View Race Details View on Map
Half Marathon - Individual Age group/open
Organization: Five Star NTP
Date of Race: 07-05-2025
Description: "Oh what fun~ it is to ride in a one horse ...
View Race Details View on Map
Virtual Half Marathon - Individual Age group/open
Organization: Five Star NTP
Date of Race: 07-05-2025
Description: "Oh what fun~ it is to ride in a one horse ...
View Race Details View on Map
Starlight 5K - Student (ages 7-18)
Organization: Runwithpaula Events, Inc.
Date of Race: 05-31-2025
Description: Are you ready to be part of Portland's biggest blast of ...
View Race Details View on Map
Balloon Festival 5k Fun Run
Organization: Tigard Parks and Recreation
Date of Race: 06-21-2025
Description: DescriptionJoin Parks & Rec for a 5k Fun Run at the ...
View Race Details View on Map
Balloon Festival 5k Fun Run
Organization: Tigard Parks and Recreation
Date of Race: 06-21-2025
Description: DescriptionJoin Parks & Rec for a 5k Fun Run at the ...
View Race Details View on Map
Starlight 5K - Starlight 5K
Organization: Runwithpaula Events, Inc.
Date of Race: 05-31-2025
Description: Are you ready to be part of Portland's biggest blast of ...
View Race Details View on Map
Virtual 5K - Individual Age group/open
Organization: Five Star NTP
Date of Race: 07-05-2025
Description: "Oh what fun~ it is to ride in a one horse ...
View Race Details View on Map
Virtual 10K - Individual Age group/open
Organization: Five Star NTP
Date of Race: 07-05-2025
Description: "Oh what fun~ it is to ride in a one horse ...
View Race Details View on Map
Muddy Dash - Exclusive VIP Registration- Regular Price ...
Organization: Viral Run
Date of Race: 08-16-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
View Race Details View on Map
2025 Starlight Run
Organization: Runwithpaula Events, Inc.
Date of Race: 05-31-2025
Description: Are you ready to be part of Portland's biggest blast of ...
View Race Details View on Map
April-Fools 5K Fun Run
Organization: Kool AF and the Gang
Date of Race: 04-06-2025
Description: April Fool’s Run 5K – Run Like a Fool, But for ...
View Race Details View on Map
10K - Individual Age group/open
Organization: Five Star NTP
Date of Race: 07-05-2025
Description: "Oh what fun~ it is to ride in a one horse ...
View Race Details View on Map
Kids Half Mile - Kids Half Mile (untimed)
Organization: Runwithpaula Events, Inc.
Date of Race: 05-10-2025
Description: EVENT DATE: Saturday, May 10, 2025 Hippie Chick isTHEORIGINAL all-womens race ...
View Race Details View on Map
5K - Individual Age group/open
Organization: Five Star NTP
Date of Race: 07-05-2025
Description: "Oh what fun~ it is to ride in a one horse ...
View Race Details View on Map
Balloon Festival 5k Fun Run
Organization: Tigard Parks and Recreation
Date of Race: 06-21-2025
Description: DescriptionJoin Parks & Rec for a 5k Fun Run at the ...
View Race Details View on Map
Christmas 5K/10K/Half Marathon in July - Portland
Organization: Five Star NTP
Date of Race: 07-05-2025
Description: "Oh what fun~ it is to ride in a one horse ...
View Race Details View on Map
Quarter Marathon - 6.55
Organization: Runwithpaula Events, Inc.
Date of Race: 05-10-2025
Description: EVENT DATE: Saturday, May 10, 2025 Hippie Chick isTHEORIGINAL all-womens race ...
View Race Details View on Map
Helvetia Half - Half Marathon
Organization: Runwithpaula Events, Inc.
Date of Race: 05-31-2025
Description: Leave the city ...
View Race Details View on Map
Virtual Helvetia 10K - Individual Age group/open
Organization: Runwithpaula Events, Inc.
Date of Race: 05-31-2025
Description: Leave the city ...
View Race Details View on Map
Virtual Helvetia 5K - Individual Age group/open
Organization: Runwithpaula Events, Inc.
Date of Race: 05-31-2025
Description: Leave the city ...
View Race Details View on Map
Muddy Dash - Value Registration- Regular Price $74.95
Organization: Viral Run
Date of Race: 08-16-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
View Race Details View on Map
Half Marathon - 13.1
Organization: Runwithpaula Events, Inc.
Date of Race: 05-10-2025
Description: EVENT DATE: Saturday, May 10, 2025 Hippie Chick isTHEORIGINAL all-womens race ...
View Race Details View on Map
Virtual Hippie 5K - Individual Age group/open
Organization: Runwithpaula Events, Inc.
Date of Race: 05-10-2025
Description: EVENT DATE: Saturday, May 10, 2025 Hippie Chick isTHEORIGINAL all-womens race ...
View Race Details View on Map
Helvetia 5K - 5K
Organization: Runwithpaula Events, Inc.
Date of Race: 05-31-2025
Description: Leave the city ...
View Race Details View on Map
Complete list of running events in and near Lake Oswego, OR: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Lake Oswego
About Lake Oswego
Lake Oswego (OR) is a city in Clackamas County with an estimated population of 36,619.[4]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
Historically, more marathons are run in the month of October than any other month (in the U.S.).
