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Running Calendar near Fontana 2025-2026

Explore the top running races near Fontana for 2025-2026! We've gathered 47 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
October 2026
Oct
10
Sa

Bubble Run - Irvine

5 km
Oct
17
Sa

Ruff Run California

Obstacle Run
Oct
24
Sa

Wildwood Canyon Trail Run

Trail Run 4 mi
Oct-Nov
28-1
We - Su

Machete Muertos 200

Trail Run 10 mi 20 mi ... 100 mi 200 mi
November 2026
Nov
7
Sa

Saddleback Marathon

Trail Run 10 km Half Marathon 25 km Marathon
Nov
21
Sa

Terrain Race - Irvine

Obstacle Run 5 km
January 2028
Jan
1
Sa

runCHINO

5 km