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Running Calendar near Rancho Cucamonga 2025-2026

Explore the top running races near Rancho Cucamonga for 2025-2026! We've gathered 52 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
April 2026
Apr
25
Saturday

Covina Fun Run

5 km
Apr
25
Saturday

Dash for disABILITIES Superhero 5K

5 km
Apr
25
Saturday

SoCal Redwood Race

Backyard Ultra 3 hr 6 hr 12 hr
May 2026
May
2
Saturday

Nurses Rock

5 km 10 km
May
23-24
Sa - Su

Nanny Goat

Trail Run 6 hr 12 hr 100 mi 24 hr
June 2026
Jun
6
Saturday

Fontana Days Run

5 km 13 mi
Jun
20
Saturday

Jade's Furry Friends 5K

5 km
July 2026
Jul
18
Saturday

Harding Hustle

Trail Run 15 km 30 km 50 km
October 2026
Oct
3
Saturday

Angeles Crest 100 Mile Endurance Run

Trail Run 100 mi
Oct
17
Saturday

Ruff Run California

Obstacle Run
November 2026
Nov
7
Saturday

Saddleback Marathon

Trail Run 10 km Half Marathon Marathon
Nov
26
Thursday

Plymouth Rock n Run

5 km 10 km
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