Running calendar United States 2025-2026

Jan

4

Sunday

Black Diamond

Irving, Texas

5 km 10 km 13 mi

Jan

4

Sunday

Grievances & Gratitude Run – Half Marathon

Long Beach, California

5 km 10 km 13 mi

Jan

4

Sunday

Xterra White Tanks Trail Run

Waddell, Arizona

Trail Run 5 km 8 km 20 km

Jan

4

Sunday

Atlanta Fat Ass 50K

Lithia Springs, Georgia

Trail Run

Jan

7-11

We - Su

Walt Disney World Marathon

Lake Buena Vista, Florida

5 km 10 km ... 39 mi 48 mi

Jan

10

Saturday

Lost in Miami Ultra

Palmetto Bay, Florida

Backyard Ultra

Jan

10

Saturday

St. Croix 40 Winter Ultra

Hinckley, Minnesota

Trail Run 40 mi

Jan

10-11

Sa - Su

Hoka Bandera Endurance Trail Run

Bandera, Texas

Trail Run 25 km 50 km 100 km

Jan

10

Saturday

Bridge-Buster 5K Run

Fort Pierce, Florida

5 km

Jan

10

Saturday

Mangum Marathon

Ellerbe, North Carolina

13 mi 26 mi

Jan

10

Saturday

Polar Prowl

Arvada, Colorado

5 km 10 km 13 mi

Jan

10

Saturday

Hotcake Hustle

Plano, Texas

5 km 10 km

Jan

10

Saturday

Resolution Run

San Diego, California

5 km 10 km 13 mi

Jan

10

Saturday

Forging Families 10K

Columbiana, Alabama

5 km 10 km

Jan

10

Saturday

Apex Half Marathon

Herriman, Utah

10 km 13 mi

Jan

10

Saturday

Citrus Heritage Run

Riverside, California

Jan

10

Saturday

Avalon Benefit 50 Mile Run

Avalon, California

Jan

11

Sunday

Chevron Houston Marathon

Houston, Texas

5 km 13 mi 26 mi

Jan

15-17

Th - Sa

Winter Spartan Death Race

Pittsfield, Vermont

Obstacle Run

Jan

16-17

Fr - Sa

Vermont Spartan Winter 24 Hour Hurricane Heat

Pittsfield, Vermont

Obstacle Run 24 hr