TACKLE 21 KILOMETERS ​(13.1 MILES) ON YOUR OWN OR AS PART OF A 3-PERSON RELAY TO HELP SUPPORT those with Down Syndrome! OR TAKE PART IN THE 7K OR 2.1K!


The Relay and Run for 21 - held each year near World Down Syndrome Day - helps to raise money for the  Down Syndrome Association of Greater St. Louis and DADS Community Outreach Fund. The 21 represents the third 21st chromosome, and 21 kilometers is the approximate distance for a half marathon. 


Events include a 21K (half marathon), a 21K 3-person relay, 7K run and 2.1K walk. The half course will feature three loops through the streets of Clayton and U-City, with the start, finish and relay exchanges all taking place at Clayton High School. ​Race amenities include a race shirt, finisher medal and finish line food and more. For more, see our details page and course page

to support individuals with Down syndrome

Sunday, March 25, 2018

7th Annual Relay and Run for 21