Upcoming Half Marathon Races Near Gaithersburg, MD

Naptown Half Marathon & 10K/5K

Annapolis, MD

Saturday, December 20th, 2025

Featured

Half

10K

5K

View details for race Naptown Half Marathon & 10K/5K

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Little Patuxent River Half Marathon, 10K & 5K

Columbia, MD

Saturday, January 31st, 2026

5K

10K

1 Mile

Trail

View details for race Little Patuxent River Half Marathon, 10K & 5K

Annapolis Running Festival

Annapolis, MD

Saturday, March 21st, 2026

Half

10K

5K

View details for race Annapolis Running Festival

Virginia Marathon (Full/Merikos/Half/10k/5k)

Middleburg, VA

Sunday, March 22nd, 2026

Marathon

Half

10K

View details for race Virginia Marathon (Full/Merikos/Half/10k/5k)

Hub City Half Marathon

Hagerstown, MD

Sunday, March 29th, 2026

Half

View details for race Hub City Half Marathon

B&A Trail Marathon and Half Marathon

Severna Park, MD

Sunday, March 29th, 2026

Marathon

Half

Trail

Fast

View details for race B&A Trail Marathon and Half Marathon

Run Thru Reston

Reston, VA

Sunday, April 26th, 2026

Half

5K

View details for race Run Thru Reston

PNC Alexandria Half

Alexandria, VA

Sunday, April 26th, 2026

Half

5K

View details for race PNC Alexandria Half

Gettysburg Festival of Races

Gettysburg, PA

Sunday, April 26th, 2026

Marathon

Half

5K

View details for race Gettysburg Festival of Races

Frederick Running Festival

Frederick, MD

Saturday, May 2nd, 2026

Half

5K

View details for race Frederick Running Festival

These are not the droids you're looking for

Washington, DC

Saturday, May 2nd, 2026

Marathon

Half

View details for race These are not the droids you're looking for

23rd annual Potomac River Run Marathon & Half

Washington, DC

Saturday, May 2nd, 2026

Half

Marathon

View details for race 23rd annual Potomac River Run Marathon & Half

Virginia Wine Country Half Marathon 2026

Hillsboro, VA

Saturday, May 30th, 2026

5K

10K

Half

View details for race Virginia Wine Country Half Marathon 2026

The Maryland Half Marathon & 5K

Fulton, MD

Saturday, June 6th, 2026

Half

5K

View details for race The Maryland Half Marathon & 5K

Lock 2 Lock Marathon/Half Marathon/10k

Williamsport, MD

Saturday, September 12th, 2026

Marathon

Half

10K

BQ

View details for race Lock 2 Lock Marathon/Half Marathon/10k

DC Half Races

Washington, DC

Sunday, September 20th, 2026

Half

5K

View details for race DC Half Races

Baltimore Running Festival

Baltimore, MD

Saturday, October 17th, 2026

Marathon

Half

10K

View details for race Baltimore Running Festival

Explore more in Gaithersburg, MD

Distances:

5K 10K Half Marathon Marathon

Months:

December January February

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Maryland races

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