Even after the MLK Day of Service is over, take the first step in giving back with this 5K run or walk, consisting of various tempos and age groups. Proceeds benefit a bone marrow fund tied to former Denver Police Officer Celena C. Hollis, who was slain in City Park last year during Jazz in the Park. Bring five canned goods, which will go to a local food bank, in order to take $5 off of your registration fee. Sat 10 a.m. 

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