Half Marathons in Maryland — 2026

There are 26 half marathons in Maryland scheduled for 2026. The next is the Eagle 5K, 10K, & 13.1M at Bel Air, MD (27) in Bel Air on July 4. Maryland half marathons run primarily July through May.

Eagle 5K, 10K, & 13.1M at Bel Air, MD (27)

Sat, Jul 4 · Bel Air, MD Bel Air

5K10K13.1M

From $30 Open

Register →

Rocky Gap Off-Road Triathlon, Duathlon, Aqua Bike, and Relay

Sun, Jul 12 · Flintstone, MD Flintstone

Sprint Distance TriathlonAcquaBike RelayAquaBike +4

From $50 Open

Register →

MCRRC Riley's Rumble Half Marathon

Sun, Jul 26 · Boyds, MD Boyds

Non-Member Registration

From $25 Open

Register →

Ninja 5K, 10K, & 13.1M at Bel Air, MD (31)

Sat, Aug 1 · Bel Air, MD Bel Air

5K10KHalf Marathon

From $30 Open

Register →

Hagerstown Sprint & Youth Triathlon

Sat, Aug 8 · Hagerstown, MD Hagerstown

Aqua-Bike SprintSprint Triathlon7 - 8 Youth Triathlon +3

From $60 Open

Register →

2026 Fort Detrick Danish Flyver March, hosted by the 21st Theater Signal Brigade

Fri, Aug 28 · Fort Detrick, MD Fort Detrick

2026 Fort Detrick Danish Flyver March, hosted by the 21st Theater Signal Brigade

From $20 Open Closing Soon

Register →

Concrete Climb Half Marathon, 10K & 5K

Sat, Aug 29 · Columbia, MD Columbia

5K10KHalf Marathon

From $35 Closed

Register →

Howard's Half Marathon/5K Run Festival

Sun, Aug 30 · Cumberland, MD Cumberland

Howard's 5KHoward's Half Marathon

From $25 Open

Register →

Medal Madness 5K, 10K, & 13.1M at Bel Air, MD (36)

Sat, Sep 5 · Bel Air, MD Bel Air

5K10KHalf Marathon

From $30 Open

Register →

Altra Charles Street 12 and 2-Person Relay presented by Kelly Benefits

Sat, Sep 5 · Towson, MD Towson

Virtual 2-Person Relay12 MilerASA 12 Miler +2

From $40 Open Closing Soon 50 spots left

Register →

Greenhorn Adventure Race

Sat, Sep 12 · Flintstone, MD Flintstone

Greenhorn Adventure Race

From $80 Open

Register →

Rev3 Back Bay

Sun, Sep 13 · Snow Hill, MD Snow Hill

SprintREV AquabikeSprintREV Relay (2 or 3 person team)SprintREV Triathlon +1

From $90 Open

Register →

Annapolis RUN for The Light House

Fri, Sep 18 · Annapolis, MD Annapolis

1 Mile Walk (In-Person)5k (In-Person)5K (Virtual) +2

From $25 Open Closing Soon 32 spots left

Register →

ASICS Susquehanna River Running Festival presented by University of Maryland Upper Chesapeake Health

Sat, Sep 19 · Havre de Grace, MD Havre de Grace

5-kilometerASA 5KVirtual 5K +5

From $35.85 Open Closing Soon 20 spots left

Register →

Run On The Rocks • 10M / Half / 20M

Sat, Sep 26 · Point Of Rocks, MD Point Of Rocks

10 MilerHalf Marathon (13.1 Miles)20 Miler

From $45 Open

Register →

Parks Half Marathon

Sun, Sep 27 · Rockville, MD Rockville

General Registration

From $84 Open

Register →

Charm City Run 20-Miler

Sun, Sep 27 · Freeland, MD Freeland

CCR 20-Mile RunCCR Virtual 20-Mile Run

From $55 Open Closing Soon

Register →

National Capital 20 Miler and Janet Braunstein 5 Miler

Sat, Oct 3 · Potomac, MD Potomac

Janet Braunstein 5 MilerNational Capital 20 Miler

From $35 Closed

Register →

Baltimore Triathlon Festival

Sat, Oct 3 · Chase, MD Chase

Women's Sprint AquabikeMen's Sprint AquabikeWomen's Sprint Triathlon +8

From $40 Open

Register →

Haunted 5K, 10K & 13.1M at Bel Air, MD (40)

Sat, Oct 3 · Bel Air, MD Bel Air

5K10KHalf Marathon

From $30 Open

Register →

Chestertown Challenge Half Marathon Run and 5K Run/Walk

Sun, Oct 11 · Chestertown, MD Chestertown

5K WALK5K RunHalf Marathon +1

From $25 Open

Register →

Rev3 Mighty Matapeake

Sat, Oct 17 · Stevensville, MD Stevensville

SprintREV AquabikeSprintREV TriathlonSprintREV Relay (2 or 3 members) +1

From $90 Open

Register →

Holiday 5K, 10K, & 13.1M at Bel Air, MD (49)

Sat, Dec 5 · Bel Air, MD Bel Air

5K10KHalf Marathon

From $30 Open

Register →

Naptown Half Marathon & 10K/5K

Sat, Dec 19 · Annapolis, MD Annapolis

5K10KHalf Marathon

From $40 Open

Register →

Annapolis Running Festival

Sat, Mar 20 · Annapolis, MD Annapolis

2026 Virtual 5KVirtual 5KVirtual 5K - Charity Registration +27

From $0 Open

Register →

Frederick Running Festival

Sat, May 1 · Frederick, MD Frederick

5K - Charity RegistrationVirtual 5K - Charity RegistrationVirtual 5k +27

From $0 Open

Register →