Events Calendar

July 2026

Sat 4

Free Fitness in the Park (7/4/2026)

Saturday, July 4 · 9 a.m. - 10 a.m. Free Fitness in the Park Series

Lanyon Park 1900 Collyer Street, Longmont, Colorado, United States

Sat 4

July 4th Longmont Symphony Concert

Saturday, July 4 · 11 a.m. - 3 p.m.

Thompson Park 420 Bross Street, Longmont, Colorado

Sat 4

Independence Weekend Festival

Saturday, July 4 · 5 p.m. - 10 p.m.

2nd & Emery 110 Emery St, Longmont, Colorado, United States

Fri 10

Free Fitness in the Park

Friday, July 10 · 9 a.m. - 10 a.m.

Dawson Park 1757 Harvard St, Longmont, Colorado

Fri 10

Nature Fridays at Sandstone Ranch

Friday, July 10 · 9 a.m. - noon Nature Fridays at Sandstone Ranch Series

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

Sat 11

Saturday Itty Bitty City

Saturday, July 11 · 10 a.m. - noon Saturday Itty Bitty City Series

Memorial Building 700 Longs Peak Ave., Longmont, CO, United States

Sat 11

Free Environmental Education Programs

Saturday, July 11 · 10:30 a.m. - noon Free Environmental Education Programs Series

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

Tue 14

Free Fitness in the Park (7/14/2026)

Tuesday, July 14 · 6:30 p.m. - 7:30 p.m. Free Fitness in the Park Series

Lanyon Park 1900 Collyer Street, Longmont, Colorado, United States

Fri 17

Free Fitness in the Park (7/17/2026)

Friday, July 17 · 9 a.m. - 10 a.m.

Blue Skies Park 1520 Mountain Dr, Longmont, Colorado

Fri 17

Nature Fridays at Sandstone Ranch

Friday, July 17 · 9 a.m. - noon Nature Fridays at Sandstone Ranch Series

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

Sat 18

Free Fitness in the Park

Saturday, July 18 · 9 a.m. - 10 a.m. Free Fitness in the Park Series

Lanyon Park 1900 Collyer Street, Longmont, Colorado, United States

Sat 18

Callahan House Club-A-Fair and Summer Open House

Saturday, July 18 · 10 a.m. - 1 p.m.

Callahan House 312 Terry St, Longmont, CO, United States

Fri 24

Free Fitness in the Park (7/24/2026)

Friday, July 24 · 9 a.m. - 10 a.m.

Collyer Park 600 Collyer Street, Longmont, Colorado

Fri 24

Nature Fridays at Sandstone Ranch (7/24/2026)

Friday, July 24 · 9 a.m. - noon Nature Fridays at Sandstone Ranch Series

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

Sat 25

Glow Swim at Sunset Pool

Saturday, July 25 · 7 p.m. - 10 p.m.

Sunset Pool 1900 Longs Peak Avenue, Longmont, Colorado

Tue 28

Free Fitness in the Park (7/28/2026)

Tuesday, July 28 · 6:30 p.m. - 7:30 p.m. Free Fitness in the Park Series

Lanyon Park 1900 Collyer Street, Longmont, Colorado, United States

Fri 31

Free Fitness in the Park (7/31/2026)

Friday, July 31 · 9 a.m. - 10 a.m.

Roosevelt Park 700 Longs Peak Ave., Longmont, CO, United States

August 2026

Sat 1

Free Fitness in the Park (8/1/2026)

Saturday, Aug. 1 · 9 a.m. - 10 a.m. Free Fitness in the Park Series

Lanyon Park 1900 Collyer Street, Longmont, Colorado, United States

Fri 7

Free Fitness in the Park (8/7/2026)

Friday, Aug. 7 · 9 a.m. - 10 a.m.

Lanyon Park 1900 Collyer Street, Longmont, Colorado, United States

Mon 10

St Vrain Memorial Building Maintenance Closure

Monday, Aug. 10 St Vrain Memorial Building Maintenance Closure Series

Memorial Building 700 Longs Peak Ave., Longmont, CO, United States