Events Calendar

October 2026

Sat 17

Murder Mystery Dinner at Callahan House

Featured Saturday, Oct. 17 · 6:30 pm - 10 pm

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

Fri 23

Itty Bitty City Preschool Playtime (10/23/2026)

Friday, Oct. 23 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

Sat 24

Day of the Dead Family Celebration

Featured Saturday, Oct. 24 · 11 am - 3 pm

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Celebrate the 26th anniversary of the longest-running public Day of the Dead celebration in Colorado!

Fri 30

Itty Bitty City Preschool Playtime (10/30/2026)

Friday, Oct. 30 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

Sat 31

Halloween Costume Parade

Saturday, Oct. 31 · 9:30 am - 11:30 am

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

November 2026

Fri 6

Itty Bitty City Preschool Playtime (11/6/2026)

Friday, Nov. 6 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

Sat 7

Free Saturday Fitness at Lanyon Park (11/7/2026)

Saturday, Nov. 7 · noon - 1 pm Free Saturday Fitness at Lanyon Park Series

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

Fri 13

Itty Bitty City Preschool Playtime

Friday, Nov. 13 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

Sat 14

Longmont Turkey Trot

Saturday, Nov. 14 · 9 am - noon

Altona Middle School 4600 Clover Basin Drive, Longmont, Colorado

Fri 20

Itty Bitty City Preschool Playtime (11/20/2026)

Friday, Nov. 20 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

Fri 20

Longmont Ice Pavilion Opens

Friday, Nov. 20 · 1 pm - 6 pm

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

Sat 21

Free Saturday Fitness at Lanyon Park (11/21/2026)

Saturday, Nov. 21 · noon - 1 pm Free Saturday Fitness at Lanyon Park Series

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

December 2026

Thu 3

Holiday Open House at Callahan House

Featured Thursday, Dec. 3 · 4:30 pm - 7:30 pm

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

Thu 10

Santa Visit at Callahan House

Featured Thursday, Dec. 10 · 3:30 pm - 7:30 pm

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

Sat 12

Longmont Lights Holiday Parade

Saturday, Dec. 12 · 5 pm - 7 pm

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