Course
Half Marathon21.1 km
10K10 km
5K5 km
1 Mile1 mi
Key dates
- !RegistrationOpen now
- ★Race daySun 25 Apr 2027
Date confirmed with the organiser · entry window checked by RunCalendar
About
Because we're all about fun, family-friendly events that welcome every pace and fitness level. This spring race is the perfect chance to challenge yourself, enjoy creative swag, and be part of an encouraging, affordable, and inclusive community. Whether you're chasing a PR or just showing up for the fun, we're here to cheer you on every step of the way.
Your next race, seen from above.
Save DoNot Stop Half Marathon (5k/10k) - Denver to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save DoNot Stop Half Marathon (5k/10k) - Denver to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Run this event? Claim it on runcalendar.com
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A confirmed date shows its day; a provisional one shows only its month, because we won't claim a day we don't have. This page is rebuilt every night from the RunCalendar catalogue.