Events Calendar

September 2026

Wed 23

Recreation Leisure Pool Closure

Wednesday, Sept. 23 Recreation Center Pool Closures Series

Recreation Center 310 Quail Rd., Longmont, CO, United States

Fri 25

Itty Bitty City Preschool Playtime

Friday, Sept. 25 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

October 2026

Fri 2

Itty Bitty City Preschool Playtime (10/2/2026)

Friday, Oct. 2 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

Sat 3

Free Saturday Fitness at Lanyon Park (10/3/2026)

Saturday, Oct. 3 · noon - 1 pm Free Saturday Fitness at Lanyon Park Series

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

Tue 6

Free Swim Instructor Training

Tuesday, Oct. 6 · 3:45 pm - 7:30 pm

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

Thu 8

Callahan House Video Release Party at Tend Studio

Featured Thursday, Oct. 8 · 5:30 pm - 7:30 pm

Tend Studio 614 Kimbark St, Longmont, Colorado, United States

Fri 9

Itty Bitty City Preschool Playtime (10/9/2026)

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

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

Sat 10

Leisure Pool Grand Opening

Saturday, Oct. 10 · 11 am - noon

Recreation Center 310 Quail Rd., Longmont, CO, United States

Fri 16

Itty Bitty City Preschool Playtime (10/16/2026)

Friday, Oct. 16 · 9 am - 11 am Itty Bitty City Preschool Playtime Series

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

Sat 17

Free Saturday Fitness at Lanyon Park (10/17/2026)

Saturday, Oct. 17 · noon - 1 pm Free Saturday Fitness at Lanyon Park Series

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

Sat 17

Canceled Floating Pumpkin Patch

Saturday, Oct. 17 · 5:30 pm - 6:30 pm

Recreation Center 310 Quail Rd., Longmont, CO, United States

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

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

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

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

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

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

Wed 11

Holiday

Veterans Day is an observed city holiday on Nov. 11.

Services and facility hours may be impacted.

Fri 13

Itty Bitty City Preschool Playtime (11/13/2026)

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