Running Races in Waltham, MA

Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more

See below for a frequently-updated, comprehensive list of upcoming running events in the local Waltham, MA 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-6K - Runner

Organization: D.W. Field Triathlon Committee

Date of Race: 04-26-2020

Description: A fast course with just one hill (Tower Hill), over paved, ...

Running-6K - Walker

Organization: D.W. Field Triathlon Committee

Date of Race: 04-26-2020

Description: A fast course with just one hill (Tower Hill), over paved, ...

Running-5K - Ages 18 & Under

Organization: South Shore YMCA

Date of Race: 01-05-2020

Description: Kick off the New Year with the Y at our 9th ...

Running-5K - Ages 19 & Up

Organization: South Shore YMCA

Date of Race: 01-05-2020

Description: Kick off the New Year with the Y at our 9th ...

Running-10K - Individual Age group/open

Organization: For Glo LLC

Date of Race: 12-14-2019

Description: Run will sell out quick! Only 20 spots available!

Running-5K - Individual Age group/open

Organization: For Glo LLC

Date of Race: 12-14-2019

Description: Run will sell out quick! Only 20 spots available!

Running-Half marathon - Individual Age group/open

Organization: For Glo LLC

Date of Race: 01-04-2020

Description: Get a head start and run into the ...

Running-Half marathon - Individual Age group/open

Organization: For Glo LLC

Date of Race: 12-14-2019

Description: Run will sell out quick! Only 20 spots available!

Running-5K - Individual Age group/open

Organization: St. Luke's Lutheran Church

Date of Race: 12-07-2019

Description: Join us on Saturday, December 7 for our inaugural Randolph Pack ...

Running-5K - Individual Age group/open

Organization: For Glo LLC

Date of Race: 01-04-2020

Description: Get a head start and run into the ...

Running-10K - Individual Age group/open

Organization: For Glo LLC

Date of Race: 01-04-2020

Description: Get a head start and run into the ...

Running-3 Miles - Runner / Walker

Organization: Tri-Valley Front Runners

Date of Race: 10-17-2020

Description: ** You Must Be 21 yrs old or above ...

Running-10K - 19 Years Old and Under

Organization: Tri-Valley Front Runners

Date of Race: 09-26-2020

Description:

Running-Kids Dash - Kids Dash Only

Organization: Tri-Valley Front Runners

Date of Race: 05-03-2020

Description: Date Time: Sunday, May 3, 2020 - Registration 8 a.m.

Running-10K - 20 Years Old and Above

Organization: Tri-Valley Front Runners

Date of Race: 09-26-2020

Description:

Running-5K - Individual Age group/open

Organization: Tri-Valley Front Runners

Date of Race: 07-25-2020

Description: Race information is posted! This is the 6th running of ...

Terrain Race - Includes Augmented Reality Finisher's Medal, ...

Organization: Cool Events LLC

Date of Race: 07-18-2020

Description: Our races are based around a 5k structure, so you can ...

Terrain Race - Includes Augmented Reality Finisher's Medal, ...

Organization: Cool Events LLC

Date of Race: 07-18-2020

Description: Our races are based around a 5k structure, so you can ...

Terrain Race - Includes Augmented Reality Finisher's Medal, ...

Organization: Cool Events LLC

Date of Race: 07-18-2020

Description: Our races are based around a 5k structure, so you can ...

Terrain Race - Includes Augmented Reality Finisher's Medal, ...

Organization: Cool Events LLC

Date of Race: 07-18-2020

Description: Our races are based around a 5k structure, so you can ...