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Running Calendar near Mountainside 2025-2026

Monthly updates for Mountainside

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

Explore the top running races near Mountainside for 2025-2026! We've gathered 205 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
March 2026
Mar
28
Sa

The Less Popular Staten Island Half Marathon

Half Marathon
Mar
29
Su

Cinnamon Bun 10k

5 km 10 km
Mar
29
Su

The Fool's Trek/Rogaine

Trail Run 10 hr
Mar
29
Su

The Queens Spring Half

3 mi 6 mi 13 mi
April 2026
Apr
4
Sa

Lakeside Donut Chase 10K

5 km 10 km
Apr
5
Su

NSRF Great Easter Basket 5K & 10K

5 km 10 km
Apr
5
Su

The Verrazano

5 km 10 km
Apr
11
Sa

Spring SOMO Timed Trail Race

Trail Run 3 km 6 km ... 3 hr 6 hr
Apr
11
Sa

Rockaway Beach Spring Marathon

5 km Half Marathon Marathon
Apr
11
Sa

Institute Woods 6K

Trail Run 6 km
Apr
12
Su

NYCRUNS Prospect Park 10 Miler

5 km
Apr
12
Su

Ballet 5K

5 km
Apr
18
Sa

NYC 50k - Stair Set of Doom Ultra

33 mi
Apr
18-25
Sa

Visions and Pathways 5K

2 mi 5 km
Apr
19
Su

Jersey City Marathon

Half Marathon Marathon
Apr
19
Su

Spring Forward 10K

5 km 10 km
Apr
19
Su

Pork Roll Vs Taylor Ham 10k

5 km 10 km
Apr
25
Sa

Suzie's Color Run

5 km
Apr
25
Sa

Search and Rescue Me 5K

5 km
Apr
25
Sa

Race to Cure Sarcoma New York

5 km