Boise Marathon

Adult Race


Boise Marathon Logo

Boise Marathon is a 5K, 10K, half marathon and Idaho’s certified full Boston-qualifying marathon located in the heart of beautiful downtown Boise, Idaho.

Effective Friday September 17th, the city of Boise has put out new COVID-19 mandates for all events, including the Boise Marathon. In order to participate in the 2021 Boise Marathon, runners and attendees will need:

  • Proof of vaccination OR proof of a negative COVID-19 test
  • Masks to be worn when social distancing is not an option

Please feel free to reach out to with any questions you might have.


 303 E 34th st. Garden City, ID 83714

Race Details

Race Date

Race   10/24/2021 Registration starts at 8:00 AM

Packet Pickup

Shu’s Running Company  Wednesday 10/20/2021 – 10/22/2021

10 AM – 1 PM each day

*Packet pickup available day of event as well*

Start Times

Race 10/24/2021 Race starts at 9:00 AM

Countdown to Race Day


A special THANK YOU to...

Boise Marathon's Sponsors


Vitalize Juice Co.

Boise River Catering

Summit IV Therapy

The Perking Spot

Bath Fitters Idaho

Mountain Berry Bowls

Midnight Moms

Kheya Pilates

Registration and Entry Fees

Race Type Early Bird* (Ends March 31st) April 1 – June 30 July 1 – Sept 30 Oct 1 – Oct 23
5K Race $25 $30 $35 $40
10K Race $35 $40 $45 $50
Half Marathon $50 $65 $75 $85
Full Marathon $80 $105 $120 $145

*Early bird pricing limited to first 300 registrants.

Refunds and Transfers

No refund requests will be accepted. We hope all athletes will plan accordingly for their future participation in this event. Should this event be canceled, you will qualify to have your registration rolled over into this event next year.

Race Records

Full Marathon

Record Holder: Michael Postaski

Time: 2:40:58

Half Marathon

Record Holder: Erik Teig

Time: 1:08:59


Record Holder: Sean Olson

Time: 35:57


Record Holder: Walter Poly

Time: 18:47


All finishers for the 5K, 10K, Half and Full Marathon will receive a finisher medal.
The top three in each age group will receive an engraved award.
Overall Winners of each event (male and female) will receive a custom award engraved with their name and time.
There will be State Champion awards for winners in the 10K and Marathon from the Road Runners Club of America.

Finish Festival

Registration & Finisher Festival will be held at the 34th Street Market Place

Registration for the Adult Race will open at 8:00 AM on October 24th.

Full Marathon

Cut Off Time: 6 Hours 

*Subject to change. New course map will be posted closer to race weekend.

Course certification number: ID20004LAB 

Half Marathon

Cut Off Time: 5 Hours 

*Subject to change. New course map will be posted closer to race weekend.

Course certification number: ID20003LAB

10K Race

Cut Off Time: 1 Hour 45 Minutes 

5K Race

Cut Off Time: 1 Hour 

Venue Map

Check Out Some Of Our Other FUN Races!

June 6th, 2020

March 7th, 2020

March 7th, 2020