Half marathons in St Louis

7 upcoming races. See all races in St Louis or half marathons worldwide.

• Go Girl Run | St. Louis, MO - Half-Marathon RELAY
  Nov 21, 2026 · 21.1 km
• Go Girl Run | St. Louis, MO - Virtual Half-Marathon
  Nov 21, 2026 · 21.1 km
• Go Girl Run | St. Louis, MO - Half-Marathon
  Nov 21, 2026 · 21.1 km
• Running From Yeti - St. Louis, MO - Half-Marathon
  Feb 13, 2027 · 21.1 km
• Running From Yeti - St. Louis, MO - Virtual Half-Marathon
  Feb 13, 2027 · 21.1 km
• St. Louis Marathon - Half Marathon
  Apr 3, 2027 · 21.1 km
• St. Louis Marathon - Virtual Half Marathon
  Apr 3, 2027 · 21.1 km