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Races in Lake Oswego, OR

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.

Saucony

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Helvetia Half - Half Marathon

Organization: Runwithpaula Events, Inc.

Date of Race: 05-31-2025

Description: Leave the city ...

Virtual Helvetia 10K - Individual Age group/open

Organization: Runwithpaula Events, Inc.

Date of Race: 05-31-2025

Description: Leave the city ...

Virtual Helvetia 5K - Individual Age group/open

Organization: Runwithpaula Events, Inc.

Date of Race: 05-31-2025

Description: Leave the city ...

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 ...

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 ...

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 ...

Helvetia 5K - 5K

Organization: Runwithpaula Events, Inc.

Date of Race: 05-31-2025

Description: Leave the city ...

Saucony

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]

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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.).

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