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Half Marathon Calendar near Mission Viejo 2026-2027

Monthly updates for Mission Viejo

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Explore the top half marathons near 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.

January 2026
Jan
24-25
Sa - Su

Socal Spartan Event Weekend

Obstacle Run 5 km 10 km Half Marathon
Jan
30
Fr

Disneyland Half Marathon Weekend

5 km 10 km Half Marathon
February 2026
Feb
1
Su

Surf City Marathon

5 km Half Marathon Marathon
Feb
8
Su

Galentine's Run: Besties Run Together

5 km 10 km Half Marathon
Feb
13
Fr

Camp Heartbreak Half Marathon

5 km 10 km Half Marathon
Feb
14
Sa

The HEART RUN Half Marathon

5 km 10 km 13 mi
Feb
28
Sa

SOCAL River Marathon

5 km 10 km Half Marathon Marathon
March 2026
Mar
13
Fr

Camp Shamrocked Half Marathon

5 km 10 km Half Marathon
Mar
21
Sa

Whiting Ranch Trail Races

Trail Run 6 km 10 km 13 mi 30 km
Mar
22
Su

ABWR Spring Equinox Half Marathon - Yorba Linda

5 km 10 km 15 km Half Marathon
Mar
28
Sa

Disco Miles: Beachfront Boogie

5 km 10 km Half Marathon
Mar
29
Su

No FOOLIN' Half Marathon

5 km 10 km Half Marathon
Mar
29
Su

Running for the Rescues – Half Marathon

5 km 10 km 10 mi Half Marathon
April 2026
Apr
4
Sa

Billy Goat Mountain Climb

Trail Run 10 km 13 mi 17 mi
Apr
17-18
Fr - Sa

Run4Kids Ultra Running Party

Backyard Ultra 13 mi 26 mi ... 100 mi 24 hr
May 2026
May
2-3
Sa - Su

OC Marathon

5 km Half Marathon Marathon
May
16
Sa

O'Neill Park Trail Races

Trail Run 10 km Half Marathon ... Marathon 50 km
May
25
Mo

Laguna Hills Memorial Day Half Marathon

3 mi 6 mi 13 mi
May
31
Su

Once in a Blue Moon Half Marathon

5 km 10 km Half Marathon
June 2026
Jun
20
Sa

Summer Solstice Run 10K – Long Beach

5 km 10 km Half Marathon