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Half Marathon Calendar near Rancho Santa Margarita 2026-2027

Monthly updates for Rancho Santa Margarita

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

Explore the top half marathons near Rancho Santa Margarita for 2026-2027! We've gathered 19 exciting races in the area. Check out our detailed list below to find your next local race.

January 2026
Jan
10
Sa

Citrus Heritage Run

5 km 10 km Half Marathon
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
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
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
22
Su

ABWR Spring Equinox Half Marathon - Yorba Linda

5 km 10 km 15 km 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
August 2026
Aug
1
Sa

Riley Park Trail Races

Trail Run 5 km 10 km ... 30 km 6 hr
October 2026
Oct
24
Sa

Caspers Trail Races

Trail Run 10 km Half Marathon ... Marathon 50 km
November 2026
Nov
7
Sa

Saddleback Marathon

Trail Run 10 km Half Marathon 25 km Marathon
Nov
7
Sa

Beer City Half Marathon

5 km 10 km 13 mi
Nov
8
Su

Temecula Half Marathon

5 km 10 km Half Marathon