Half Marathons in Potomac, Maryland 2026 — MyNextRace

There are 2 half marathons in Potomac, Maryland in 2026. The next is the National Capital 20 Miler and Janet Braunstein 5 Miler on October 3.

Sat, Oct 3 · Potomac, MD Potomac

Road Janet Braunstein 5 MilerNational Capital 20 Miler

From $35 Open Closing Soon

Sun, Dec 13 · Potomac, MD Potomac

Road Half Marathon

From $10 Open

Half Marathons in Potomac, Maryland