Team Opportunity Knocks CHICAGO MARATHON 21′

Sunday, October 10, 2021 | CHICAGO, IL 

Guarantee your spot in the 2021 Bank of America Chicago Marathon by running in support of the Opportunity Knocks Warriors. Runners who register with an Opportunity Knocks guaranteed entry will be responsible for fundraising a minimum of $1,250 (your marathon entry will be reimbursed when the fundraising minimum of $1,250 is achieved!)

Announcement: Bank of America Chicago Marathon 2021 is on Sunday, October 10, 2021

Already have a 2021 guaranteed entry?

You can still fundraise for Opportunity Knocks and be eligible for entry reimbursement with a $1,250 fundraising minimum and all the perks!

Important Dates

Guaranteed Entry Application Opens
Open as of today through Feb. 18
Opportunity Knocks Runners who register through the charity process during the guaranteed application window will be responsible for fundraising a minimum of $1,250. Other guaranteed entries include time qualifiers, legacy runners, and 2020 deferred applications.

Non Guaranteed Entry Application Period
Open as of today through Feb. 18

Application Period Closes
Feb. 18

Bank of America Chicago Marathon
Sunday, October 10, 2021

Fundraising Deadline
Nov. 10, 2021


Lindsey Naughton

Please contact Lindsey Naughton with any questions at

Runner Perks

For running with Team Opportunity Knocks, you will receive a Warrior Wellness shirt, a standing invitation to our Walk to Run Club with the Warriors from May to September in 2021, a personal fundraising webpage with tips on how to fundraise and, registration fee reimbursement for the Bank of America Chicago Marathon with $1,250 fundraising minimum.

Application Dates & Details

Applications must be received by Noon, Feb. 18, 2021 in order to be considered for one of Opportunity Knocks’ guaranteed entry into the 2021 Chicago Marathon.

Additional entries may be available after Feb. 18th; however, the required fundraising minimum will increase. Please see application timing and fundraising minimums below:

Application received during the 2021 Guaranteed Entry Application Window:

NA: $1,250

Application received after the 2021 Guaranteed Entry Application Window:

NA: $1,750

Step by Step Process

Submit Particpant Waiver

Complete the Opportunity Knocks Commitment & Waiver Form and submit to Lindsey at at

Complete Waiver

Register for the Chicago Marathon

Register to run the Bank of American Chicago Marathon with Opportunity Knocks on the Charity Application page. All runners must pay their entry fee. Once you reach your fundraising minimum Opportunity Knocks will refund your entry fee! Once the waivers have been completed and reviewed, you will be sent a link to register with Team OK

 Create Fundraising Page

Create your personal fundraising page through Kindful

Create Page


Days 'til Marathon








Support the Warriors

​Opportunity Knocks is dedicated to enriching life and community. We exist to support people with intellectual and developmental disabilities as they live, work, learn, grow and connect within their community.

We believe in a dynamic, person-centered, and community-based approach to programming that engages the voice of all Warriors thrives on interdependent connections, encourages exploration, centers on holistic wellness, and fostering healthy relationships.



Keep an eye on the weather forecast! You’ll know if yah need a raincoat or not on Marathon Day!



The Bank of America Chicago Marathon start line is located in Grant Park at the intersection of Columbus Drive and Monroe Street.

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