Course
Starts and finishes at the Great Frederick Fairgrounds, looping out through historic downtown Frederick along Market Street and Baker Park and passing Hood College and the minor league ballpark. Seven aid stations carry water and Gatorade. A team relay, Twilight 5K and kids fun run join the half marathon.
Key dates
- !RegistrationOpen now
- ★Race daySun 2 May 2027
About
The half marathon starts and finishes at the Frederick Fairgrounds, looping past Baker Park, Frederick Memorial Hospital and residential neighborhoods on gently rolling city streets. Field size is capped at 5,000 finishers, with a Saturday twilight 5K and kids' fun run rounding out the festival weekend.
Save Frederick Running Festival 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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The Maryland Half Marathon & 5K
Passes the Johns Hopkins Applied Physics Lab
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Baltimore 10 Miler
Loops from Druid Hill Park to Lake Montebello and back
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Frederick Summer Solstice 8K
Kicks off at 7:30pm on the longest evening of the year
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.