Lake Forest close

Half Marathon Calendar near Lake Forest 2025-2026

Explore the top half marathons near Lake Forest for 2025-2026! We've gathered 52 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
12
Fr

Holiday Half Marathon

5 km Half Marathon
Dec
13
Sa

The Jingle Bell Dash Half Marathon

5 km 10 km Half Marathon
Dec
14
Su

Merry Miles- Naughty or Nice Run Half Marathon

5 km 10 km Half Marathon
Dec
20
Sa

Santa’s Reindeer Run Half Marathon

5 km 10 km Half Marathon
Dec
20
Sa

ABWR Half Marathon - Belmont Shore

5 km 10 km 15 km Half Marathon
Dec
21
Su

Chasing Santa Half Marathon

5 km 10 km 10 mi 13 mi
Dec
21
Su

ABWR Half Marathon - Riverside

5 km 10 km 15 km Half Marathon
Dec
21
Su

ABWR Half Marathon - Grand

5 km 10 km 15 km Half Marathon
Dec
27
Sa

ABWR Half Marathon - Belmont Shore

5 km 10 km 15 km Half Marathon
Dec
28
Su

Run In The New Year Half Marathon

5 km 10 km Half Marathon
January 2026
Jan
1
Th

Happy New Year Half Marathon - Long Beach

5 km 10 km Half Marathon
Jan
3
Sa

ABWR Half Marathon - Belmont Shore

5 km 10 km 15 km Half Marathon
Jan
4
Su

The Coffee Cruise Half Marathon

5 km 10 km 10 mi Half Marathon
Jan
10
Sa

Citrus Heritage Run

3 mi 6 mi 13 mi
Jan
10
Sa

Holiday Hangover 13.1: the Great Reset Run

5 km 10 km Half Marathon
Jan
11
Su

The Cookie Classic Half Marathon

5 km 10 km 10 mi Half Marathon
Jan
18
Su

Marshmallow Dash Half Marathon

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

Socal Spartan Event Weekend

Obstacle Run 5 km 10 km Half Marathon
Jan
24
Sa

ABWR Half Marathon - Belmont Shore

5 km 10 km 15 km Half Marathon
Jan
30
Fr

Disneyland Half Marathon Weekend

5 km 10 km Half Marathon