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Trail Running Calendar near Lake Mission Viejo 2026-2027

Monthly updates for Lake Mission Viejo

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

Explore the top trail runs near Lake Mission Viejo for 2026-2027! We've gathered 26 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
4
Sa

Billy Goat Mountain Climb

Trail Run 10 km Half Marathon 17 mi
Apr
4
Sa

Rock It in El Moro Canyon

Trail Run 6 km 10 mi
Apr
4
Sa

OC Trail Runners Group Run

Trail Run 5 mi
Apr
4
Sa

Billy Goat Half Marathon Climb

Trail Run 10 km 13 mi 17 mi
Apr
12
Su

Totally 80's Fast Times in Huntington Beach Half Marathon

Trail Run 3 mi 6 mi 13 mi
Apr
25
Sa

Machete Trail Madness 100K

Trail Run 10 km 50 km 100 km
Apr
25
Sa

Shadow Strike Unsanctioned Run - Chino Hills

Trail Run 4 mi
Apr
25
Sa

Into the Wild OC Trail Run

Trail Run 14 mi
May 2026
May
9
Sa

John Wayne Grit Series - Newport Coast

Trail Run 5 km 25 km 50 km
May
16
Sa

O'Neill Park Trail Races

Trail Run 10 km Half Marathon ... Marathon 50 km
May
23-24
Sa - Su

Nanny Goat

Trail Run 100 mi
May
27
We

Into the Wild OC Trail Run

Trail Run 5 km
June 2026
Jun
6
Sa

Fullerton Fit 5K Trail Run

Trail Run 5 km
Jun
20
Sa

Nixon 5K for Title IX

Trail Run 3 mi
Jun
24
We

Into the Wild OC Trail Run

Trail Run 5 km
July 2026
Jul
15
We

Into the Wild OC Trail Run

Trail Run 5 km
Jul
18
Sa

Harding Hustle

Trail Run 15 km 30 km 50 km
August 2026
Aug
1
Sa

Riley Park Trail Races

Trail Run 5 km 10 km ... Half Marathon 30 km
Aug
26
We

Into the Wild OC Trail Run

Trail Run 5 km
October 2026
Oct
10
Sa

That's No Moon Trail Races

Trail Run 30 km 50 km 50 mi
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