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Trail Running Calendar near Riverside 2025-2026

Explore the top trail runs near Riverside for 2025-2026! We've gathered 32 exciting races in the area. Check out our detailed list below to find your next local race.

January 2026
Jan
10
Saturday

Citrus Heritage Run

5 km 10 km 13 mi
Jan
24-25
Sa - Su

Socal Spartan Event Weekend

Obstacle Run 5 km 10 km 21 km
March 2026
Mar
14
Saturday

Nine Trails 35 Mile Endurance Run

Trail Run 17 mi 35 mi
April 2026
Apr
4
Saturday

Billy Goat Mountain Climb

Trail Run 10 km 13 mi 17 mi
Apr
5
Sunday

Cal Tri Lake Perris

Triathlon
Apr
11-12
Sa - Su

Bedrock Valley Trail Runs

Trail Run 5 km 10 km ... 13 mi 26 mi
Apr
18
Saturday

Natro@Noli Indian School

Trail Run 5 km 13 mi 26 mi
May 2026
May
2
Saturday

Nurses Rock

5 km 10 km
May
16
Saturday

O'Neill Park Trail Races

Trail Run 10 km 13 mi ... 26 mi 50 km
May
23-24
Sa - Su

Nanny Goat

Trail Run 6 hr 12 hr 100 mi 24 hr
May
25
Monday

Memorial Day 10K - Hemet

5 km 10 km
November 2026
Nov
7
Saturday

Saddleback Marathon

Trail Run 10 km 13 mi 26 mi
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