Half Marathons in Maryland — 2026

There are 31 half marathons in Maryland scheduled for 2026. The next is the MCRRC Riley's Rumble Half Marathon in Boyds on July 26. Maryland half marathons run primarily July through May.

MCRRC Riley's Rumble Half Marathon

Sun, Jul 26 · Boyds, MD Boyds

Non-Member Registration

From $25 Open Closing Soon

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

Sat, Aug 1 · Bel Air, MD Bel Air

5K10KHalf Marathon

From $30 Open Closing Soon

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Hagerstown Sprint & Youth Triathlon

Sat, Aug 8 · Hagerstown, MD Hagerstown

Aqua-Bike SprintSprint Triathlon11 - 12 Youth Triathlon +3

From $60 Open Closing Soon

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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 Closed

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Concrete Climb Half Marathon, 10K & 5K

Sat, Aug 29 · Columbia, MD Columbia

5K10KHalf Marathon

From $35 Closed

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Howard's Half Marathon/5K Run Festival

Sun, Aug 30 · Cumberland, MD Cumberland

Howard's 5KHoward's Half Marathon

From $25 Open

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

Sat, Sep 5 · Towson, MD Towson

Virtual 2-Person RelayVirtual 12 MilerASA 12 Miler +2

From $40 Open 50 spots left

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

Sat, Sep 5 · Bel Air, MD Bel Air

5K10KHalf Marathon

From $30 Open

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Greenhorn Adventure Race

Sat, Sep 12 · Flintstone, MD Flintstone

Greenhorn Adventure Race

From $80 Open

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Rev3 Back Bay

Sun, Sep 13 · Snow Hill, MD Snow Hill

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

From $90 Open

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Annapolis RUN for The Light House

Fri, Sep 18 · Annapolis, MD Annapolis

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

From $25 Open 32 spots left

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ASICS Susquehanna River Running Festival presented by University of Maryland Medical System

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

Virtual 5K5-kilometerASA 5K +5

From $35.85 Open 20 spots left

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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

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Charm City Run 20-Miler

Sun, Sep 27 · Freeland, MD Freeland

CCR Virtual 20-Mile RunCCR 20-Mile Run

From $55 Open

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Parks Half Marathon

Sun, Sep 27 · Rockville, MD Rockville

General Registration

From $84 Open

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

Sat, Oct 3 · Bel Air, MD Bel Air

5K10KHalf Marathon

From $30 Open

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Baltimore Triathlon Festival

Sat, Oct 3 · Chase, MD Chase

Men's Sprint AquabikeWomen's Sprint AquabikeCo-Ed Sprint Triathlon Team Relay +8

From $40 Open

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Great Allegany Run

Sat, Oct 3 · Cumberland, MD Cumberland

5K15K

From $40 Open

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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

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Haunted 5K, 10K & 13.1M at Camp Springs, MD (41)

Sat, Oct 10 · Camp Springs, MD Camp Springs

5K10K13.1M

From $30 Open

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Chestertown Challenge Half Marathon Run and 5K Run/Walk

Sun, Oct 11 · Chestertown, MD Chestertown

5K Run5K WALKHalf Marathon +1

From $25 Open

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Rev3 Mighty Matapeake

Sat, Oct 17 · Stevensville, MD Stevensville

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

From $90 Open

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Medal Madness 5K, 10K & 13.1M at Camp Springs, MD (44)

Sat, Oct 31 · Camp Springs, MD Camp Springs

5K10K13.1M

From $30 Open

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Gobbler 5K, 10K & 13.1M at Camp Springs, MD (45)

Sat, Nov 14 · Camp Springs, MD Camp Springs

5K10K13.1M

From $30 Open

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

Sat, Dec 5 · Bel Air, MD Bel Air

5K10KHalf Marathon

From $30 Open

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Holiday 5K, 10K & 13.1M at Camp Springs, MD (50)

Sat, Dec 12 · Camp Springs, MD Camp Springs

5K10K13.1M

From $30 Open

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Founders Half Marathon

Sun, Dec 13 · Potomac, MD Potomac

Half Marathon

From $10 Open

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Naptown Half Marathon & 10K/5K

Sat, Dec 19 · Annapolis, MD Annapolis

5K10KHalf Marathon

From $40 Open

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Annapolis Running Festival

Sat, Mar 20 · Annapolis, MD Annapolis

Virtual 5K2026 Virtual 5KVirtual 5K - Charity Registration +27

From $0 Open

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Hub City Half Marathon

Sun, Apr 18 · Hagerstown, MD Hagerstown

Half MarathonHalf MarathonKids Fun Run/Walk

From $3.77 Closed

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Frederick Running Festival

Sat, May 1 · Frederick, MD Frederick

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

From $0 Open

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