# Running events in Longmont, Today and Upcoming Running events in Longmont - **Subtitle**: All Running events in Longmont, Colorado. Here you can find more information about Upcoming events in Longmont like parties, concerts, meets,shows, sports, club, reunion, Performance - **Category**: ## About All Running events in Longmont, Colorado. Here you can find more information about Upcoming events in Longmont like parties, concerts, meets,shows, sports, club, reunion, Performance ## Events in Longmont - **Event Name**: Ugly Sweater 5k @ Left Hand Brewing Co. | 2026 CO Brewery Running Series - **Description**: Join us for the Ugly Sweater 5k, and great, local craft beer at Left Hand Brewing Co. in Longmont on December 5, 2026About this Event https://cdn-az.allevents.in/events7/banners/5d184d60-692b-11f1-9578-a1beb0c0b8c8-rimg-w740-h740 - **Date**: Sat Dec 05 2026 at 10:00 am – Sat Dec 05 2026 at 01:00 pm (-07:00) - **Event URL**: https://allevents.in/longmont/ugly-sweater-5k-left-hand-brewing-co-|-2026-co-brewery-running-series/100001980527191143 - **Venue**: Left Hand Brewing Company - **Banner**: https://cdn-ip.allevents.in/s/rs:fill:500:250/g:sm/sh:100/aHR0cHM6Ly9jZG4tYXouYWxsZXZlbnRzLmluL2V2ZW50czEvYmFubmVycy81OTAwNWMyMzhiYTVkNThjOTA3NjlkY2I2NzJhNjg2ZTU5NDdmMzllNTI3NGJmNjdiYzc4YTVlNWE1ZmE1ZjQzLXJpbWctdzEyMDAtaDYwMC1kYzcxYTlhMy1nbWlyLnBuZz92PTE3NzEwMTkxNjM.avif - **Price**: USD 0 to 70 - **Categories**: fitness, Workshops, Music, Entertainment, Nonprofit - **Event Name**: Oktoberfest Sprint Triathlon - **Description**: The annual Oktoberfest Triathlon is the party of the season! As the leaves change color this race will officially end the Colorado Triathlon Season! It's been a long fun year, but before the snow begins to fall let's get one more triathlon celebration in. - **Interested Audience**: - Count: 61 - **Date**: Sun Sep 20 2026 at 08:15 am (-06:00) - **Event URL**: https://allevents.in/longmont/oktoberfest-sprint-triathlon/200029125573257 - **Venue**: Union Reservoir - **Banner**: https://cdn-ip.allevents.in/s/rs:fill:500:250/g:sm/sh:100/aHR0cHM6Ly9jZG4tYXouYWxsZXZlbnRzLmluL2V2ZW50czgvYmFubmVycy80YjFjNDc2YjhlNjBiZjkxNTVhNGQyMWU2OWU0MDJlZWExNjhlNGZjODcyOWU3NmZkYzU3NDYwYTk0MWEwZjM3LXJpbWctdzEyMDAtaDYyNy1kY2Y4YjA5Zi1nbWlyP3Y9MTc4MjA1NTM4NQ.avif - **Categories**: sports, cycling, marathons, parties, entertainment - **Event Name**: Let Freedom Run 5k - LONGMONT - **Description**: Dress up as your favorite American Hero! This could be your mom, dad, Albert Einstein, Batman, Superman, or the Powerpuff girls! This event is all about celebrating GREAT people who do and have done GREAT things! Come be GREAT with us! - **Interested Audience**: - Count: 12 - **Date**: Sat Jul 04 2026 at 08:00 am (-06:00) - **Event URL**: https://allevents.in/longmont/let-freedom-run-5k-longmont/200029228085401 - **Venue**: Sandstone Ranch Sports Complex - **Banner**: https://cdn-ip.allevents.in/s/rs:fill:500:250/g:sm/sh:100/aHR0cHM6Ly9jZG4tYXouYWxsZXZlbnRzLmluL2V2ZW50czMvYmFubmVycy8wNzU4OTdmYjQ2NzNhZWQzYTZkYTUxNWI4MTMxMzFlY2E4Y2EyOWZiODNiYmVhMmI4N2M0ZDAzNmVhNDQ2MWFjLXJpbWctdzEyMDAtaDY3NS1kY2ZmZmZmZi1nbWlyP3Y9MTc4MjQ2NDkzNA.avif ## Trending Events in Longmont - **Event Name**: Longmont Independence Weekend: July 4 - **Description**: Free Concert in the Park - 11:30 am – 3 pm Location: Thompson Park, 420 Bross Featuring the Longmont Symphony Orchestra and Longmont Chorale https://longmontsymphony.org Family Festival, 5 – 10 pm Location: Downtown, 2nd Ave between Kimbark St and Col - **Venue**: Downtown Longmont - **Banner**: https://cdn-az.allevents.in/events9/banners/b3f34f7366ace7102fcf3a667357d3321f7be8d03b93a409bfd4c9c7a576fd50-rimg-w600-h400-dc040914-gmir?v=1782525921 - **Event Name**: Longmont 4th of July Festival - **Description**: Festival will feature live music, local food and beverage vendors, kids’ activities, markers’ market, fireworks and a drone show. The festival will take place in downtown Longmont on Emery Street between 1st and 2nd - **Venue**: Longmont, Colorado - **Banner**: https://cdn-az.allevents.in/events1/banners/92fd1e6c2ea5300ec73ccf3c8c254fef0dc11ad7e7f8e4333f878b2d5ab5d891-rimg-w1200-h800-dc070706-gmir?v=1782229300 - **Event Name**: Longmont Independence Weekend: July 3 - Free Concert! - **Description**: Backyard Concert, 6 - 10 pm Location: Roosevelt Park, 700 Longs Peak Ave. The Independence Weekend festivities will kick off on July 3 with a FREE Backyard BBQ Concert at Roosevelt Park. Local band Colorado Springsteen will open the show, followed by le - **Venue**: Roosevelt Park, Longmont, Colorado - **Banner**: https://cdn-az.allevents.in/events8/banners/70795d8517f2f084a38c031bc45a32c51f94b4cd99094591da490b5681e43306-rimg-w600-h400-dc040303-gmir?v=1781872634 - **Event Name**: Boulder County Fair - **Description**: Celebrating the 156th Boulder County Fair! Come enjoy the carnival, live entertainment in the Fair Garden, Kid’s Corral and Petting Zoo and your favorite fair foods, along with 4-H animal projects, the Dairy Bar and Grandstand Events like the Demo Derby, - **Venue**: 9595 Nelson Rd, Longmont, CO 80501-6318, United States - **Banner**: https://cdn-az.allevents.in/events2/banners/f61f909f60d60fb9449dee858bf1c44e042f6f825c5eda20136f5de10b5417a6-rimg-w607-h455-dcf1dbc1-gmir?v=1782464934 - **Event Name**: ArtWalk on Main -2026 - **Description**: 2026 ArtWalk Applications are open! https://firehouseart.org/artwalk-longmont/ ARTWALK 2026 September 12, 2026 4pm-8pm Main St. between 3rd Ave and Longs Peak Ave Art Market, Live Music, Performers, Food Trucks ArtWalk on Main Street returns on Septemb - **Venue**: Downtown Longmont - **Banner**: https://cdn-az.allevents.in/events7/banners/ae6fa277a3a8852efb804648dc554304c85a283e6f9f462ec933eeea114313b7-rimg-w1200-h801-dc8d8f90-gmir?v=1781980381 - **Event Name**: 2026 HGB Fiber Art Show & Sale - **Description**: Join Us!Join us for one of Colorado’s premier art and crafts celebrations – The Fiber Art Show & Sale of the Handweavers Guild of Boulder.The Handweavers Guild of Boulder began producing an annual event i - **Venue**: Boulder County Fairgrounds Exhibit Building - **Banner**: https://cdn2.allevents.in/thumbs/thumb6a2aa9c54f344.jpg - **Event Name**: 2026 Demolition Derby at the Boulder County Fair - **Description**: DEMO DERBY TICKETS ARE ON SALE NOW FOR 2026!! Our most anticipated grandstand event this year is the Demolition Derby and we are SOO excited! This is an action packed event that never fails to entertain and amaze! Date: August 8th, 2026 Price: $32 if b - **Venue**: 9595 Nelson Rd, Longmont, CO, United States, Colorado 80501 - **Banner**: https://cdn-az.allevents.in/events5/banners/28a1bdcf93680f184b7a3572381ce43d6d63f09dbd195b32541caca6706a64ea-rimg-w1200-h628-dcffebca-gmir?v=1781885579 - **Event Name**: July 4th Longmont Symphony Concert - **Description**: Our free July 4th Concert is returning to Thompson Park this year and is filled with all your favorite sounds and activities. Enjoy patriotic music by the Longmont Chorale and Longmont Symphony, a picnic contest with prizes, kids conducting the orchestra, - **Venue**: 420 Bross St, Longmont, CO 80501, United States - **Banner**: https://cdn-az.allevents.in/events7/banners/350b9161691e300725f2a8d230419401dff06e7b7f469b3996d667576ee78f83-rimg-w1200-h675-dcffffff-gmir?v=1782206451 - **Event Name**: Out of the Box- Summer Fest - **Description**: Out of the Box- Art, Music, Cider and Spirits! The Summer Festival celebrates Live Music, Local Art, Cider, and Spirits. The Firehouse UHaul Galleries are also returning! Inside the moving trucks will be curated Mobile Art Galleries, with most trucks hos - **Venue**: Downtown Longmont - **Banner**: https://cdn-az.allevents.in/events5/banners/0a0812223d2000b9616e3eb151db9200c968a7e55ee06094c349822bae765d8e-rimg-w1080-h1350-dcfe01eb-gmir?v=1782377046 ## FAQs - **Q**: What are the top events in Longmont? - **A:** Ugly Sweater 5k @ Left Hand Brewing Co. | 2026 CO Brewery Running Series (Sat Dec 05 2026 at 10:00 am at Left Hand Brewing Company), Oktoberfest Sprint Triathlon (Sun Sep 20 2026 at 08:15 am at Union Reservoir), Let Freedom Run 5k - LONGMONT (Sat Jul 04 2026 at 08:00 am at Sandstone Ranch Sports Complex). - **Q**: How can I find events in Longmont? - **A:** You can discover upcoming events in Longmont on AllEvents.in. Browse by date, venue, or price to find events that match your interests. - **Q**: How do I buy tickets for events in Longmont? - **A:** You can buy tickets directly through AllEvents.in. Many events offer online booking with options for free, paid, and early-bird tickets. - **Q**: What are the popular venues for events in Longmont? - **A:** Some popular venues hosting events in Longmont include Left Hand Brewing Company, Union Reservoir, Sandstone Ranch Sports Complex. - **Q**: What is the price range for events in Longmont? - **A:** Prices for events in Longmont range from up to USD 70. Many events also offer free entry. - **Q**: Who are the top organizers for events in Longmont? - **A:** Popular organizers hosting events in Longmont include Colorado Brewery Running Series™, Without Limits Productions, 3W Races. - **Q**: Are there any online events available? - **A:** Yes, many events are available online. You can filter for virtual events on AllEvents.in to attend from anywhere. - **Q**: How can I get notified about new events in Longmont? - **A:** Follow the category on AllEvents.in to get notified when new events are listed in Longmont. ## Running Events from nearby cities - [Running Events in Niwot](https://allevents.in/niwot/running) - [Running Events in Lyons](https://allevents.in/lyons-co/running) - [Running Events in Louisville](https://allevents.in/louisville-co/running) - [Running Events in Boulder](https://allevents.in/boulder/running) - [Running Events in Loveland](https://allevents.in/loveland/running)