Events Calendar

October 2025

Sat 4

Free Fitness in the Park (10/4/2025)

Saturday, Oct. 4, 2025 · 12 pm - 1 pm

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

Sun 5

Longmont Swim Instructor Class (LSI)

Sunday, Oct. 5, 2025 · 9 am - 3 pm Longmont Swim Instructor Class (LSI) Series

Centennial Pool 1201 Alpine St, Longmont, Colorado, United States

Fri 10

Itty Bitty City Preschool Playtime (10/10/2025)

Friday, Oct. 10, 2025 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

Sat 11

Open House at Sandstone Ranch (10/11/2025)

Saturday, Oct. 11, 2025 · 10 am - 2 pm Open House at Sandstone Ranch Series

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

Tue 14

Bird Walk at Sandstone Ranch (10/14/2025)

Tuesday, Oct. 14, 2025 · 8 am - 11 am Bird Walk at Sandstone Ranch Series

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

Fri 17

Itty Bitty City Preschool Playtime (10/17/2025)

Friday, Oct. 17, 2025 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

Sat 18

Free Fitness in the Park (10/18/2025)

Saturday, Oct. 18, 2025 · 12 pm - 1 pm

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

Sat 18

Mystery Dinner at Callahan House

Saturday, Oct. 18, 2025 · 6:30 pm - 10 pm Mystery Dinner at Callahan House Series

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

Fri 24

Itty Bitty City Preschool Playtime (10/24/2025)

Friday, Oct. 24, 2025 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

Sat 25

Halloween Parade

Saturday, Oct. 25, 2025 · 9:30 am - 11:30 am

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

Sat 25

Open House at Sandstone Ranch (10/25/2025)

Saturday, Oct. 25, 2025 · 10 am - 2 pm Open House at Sandstone Ranch Series

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

Tue 28

Bird Walk at Sandstone Ranch (10/28/2025)

Tuesday, Oct. 28, 2025 · 8 am - 11 am Bird Walk at Sandstone Ranch Series

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

Fri 31

Itty Bitty City Preschool Playtime (10/31/2025)

Friday, Oct. 31, 2025 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

November 2025

Sat 1

Free Fitness in the Park (11/1/2025)

Saturday, Nov. 1, 2025 · 12 pm - 1 pm

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

Fri 7

Itty Bitty City Preschool Playtime (11/7/2025)

Friday, Nov. 7, 2025 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

Fri 14

Itty Bitty City Preschool Playtime (11/14/2025)

Friday, Nov. 14, 2025 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

Sat 15

Longmont Turkey Trot

Saturday, Nov. 15, 2025 · 9 am - 12 pm

Altona Middle School 4600 Clover Basin Drive, Longmont, Colorado

Sat 15

Free Fitness in the Park (11/15/2025)

Saturday, Nov. 15, 2025 · 12 pm - 1 pm

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

Fri 21

Itty Bitty City Preschool Playtime (11/21/2025)

Friday, Nov. 21, 2025 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

Fri 21

Longmont Ice Pavilion Opens

Friday, Nov. 21, 2025 · 1 pm - 6 pm

Longmont Ice Pavilion 725 8th Ave., Longmont, CO