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Trail Running Calendar near Rancho Cucamonga 2026-2027

Monthly updates for Rancho Cucamonga

Get new running races (and updates) in your inbox every month.

Explore the top trail runs near Rancho Cucamonga for 2026-2027! We've gathered 11 exciting races in the area. Check out our detailed list below to find your next local race.

March 2026
Mar
7
Sa

Quarry Quest 5K Rialto

Trail Run 5 km
Mar
21
Sa

Whiting Ranch Trail Races

Trail Run 6 km 10 km 13 mi 30 km
April 2026
Apr
4
Sa

Billy Goat Mountain Climb

Trail Run 10 km 13 mi 17 mi
Apr
25
Sa

Shadow Strike Unsanctioned Run - Chino Hills

Trail Run 4 mi
May 2026
May
23-24
Sa - Su

Nanny Goat

Trail Run 3 hr 6 hr ... 100 mi 24 hr
June 2026
Jun
6
Sa

Fullerton Fit 5K Trail Run

Trail Run 5 km
July 2026
Jul
11
Sa

The Mt. Baldy 5000

Trail Run 5 km
Jul
18
Sa

Harding Hustle

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

Angeles Crest 100 Mile Endurance Run

Trail Run 100 mi
Oct
10
Sa

That's No Moon Trail Races

Trail Run 30 km 50 km 50 mi
November 2026
Nov
7
Sa

Saddleback Marathon

Trail Run 10 km Half Marathon 25 km Marathon