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Half Marathon Calendar near Walnut 2025-2026

Explore the top half marathons near Walnut for 2025-2026! We've gathered 73 exciting races in the area. Check out our detailed list below to find your next local race.

May 2026
May
2-3
Sa - Su

The Hoag OC Marathon

5 km Half Marathon Marathon
May
2-3
Sa - Su

Finish The Run Griffith Park

5 km 10 km ... 50 mi 100 km
May
31
Sunday

Long Beach Classic Half Marathon

3 mi 13 mi
June 2026
Jun
6
Saturday

Fontana Days Run

5 km 13 mi
Jun
13
Saturday

ABWR Half Marathon - Griffith Park

Trail Run 5 km 10 km 15 km Half Marathon
July 2026
Jul
11
Saturday

Endless Summer in the LBC Half Marathon

5 km 10 km Half Marathon
Jul
18
Saturday

ABWR Half Marathon - Griffith Park

Trail Run 5 km 10 km 15 km Half Marathon
Jul
25
Saturday

Good Vibes Run Half Marathon

5 km 10 km Half Marathon
August 2026
Aug
9
Sunday

Sundae Funday - Ice Cream Run Half Marathon

5 km 10 km Half Marathon
Aug
23
Sunday

Californian Dreamin Half Marathon

5 km 10 km Half Marathon
October 2026
Oct
10-11
Sa - Su

Long Beach Marathon

5 km Half Marathon Marathon
November 2026
Nov
7
Saturday

Saddleback Marathon

Trail Run 10 km Half Marathon Marathon
June 2027
Jun
5
Saturday

Wrigley River Run

5 km 10 km 10 mi 13 mi
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