2026 Left Hand Brewing Half Marathon & 5k | CO Brewery Running Series

Join us for the Left Hand Half Marathon and 5k on Sunday, April 19, 2026. The course starts and ends at this awesome Longmont, Colorado brewery. The out-and-back course features a run that mostly follows the St. Vrain Greenway. There is also a 5k fun run option.

Start Times: The Half Marathon will have start times at 7:30 and 7:45 am. The 5k will have start times at 9:00, 9:15, and 9:30 am.

Location: Left Hand Brewing Company, 1265 Boston Ave, Longmont, CO 80501

Packet Pick-Up: Packet Pick up is at Left Hand Brewing in the Beer Garden. Half Marathon Packet pick-up is on Saturday, April 18th, from 1-5 pm, or starting at 6:30 am on race day. 5k Runners can pick everything up during Packet Pick-Up or 30-45 minutes before their start time.

Course: The Half-Marathon and 5k will start and finish on the north side of the Left Hand Beer Garden, and will follow the St. Vrain Greenway to the east. The course is out and back, following the same trail back from the 6.55-mile turnaround point. The trail is mostly flat, with a modest ~300ft elevation loss on the way out. Aid stations will be available every 2-2.5 miles. Carrying your own water bottle or hydration pack is recommended. You may refill either at our aid stations. Toilets will be available at several locations throughout the course as well as at the start and finish line.

What’s included?! All participants receive:

• Short-Sleeve Unisex Tech Shirt for all Half Marathon registrants and a regular unisex T-shirt for all 5k registrants who sign up by April 10th. Size and availability are not guaranteed after April 10th. If shirts are no longer available, alternate swag rewards will be handed out to late registrants.
• FREE Left Hand Brewing beer at the finish line for all 21+ runners
• Finisher's Medal to all Participants
• Your chance to win sweet door prizes from the Colorado Brewery Running Series, our event sponsors, and Left Hand Brewing Company.
• Access to event festivities: live music, food for purchase from several food trucks, local vendors, fun with our partners and sponsors, goodies, giveaways, and tons of delicious Left Hand beer choices to help celebrate your accomplishment!
• And more!

Schedule:

Saturday 4/18

• 1-5pm - Packet Pick Up (Half & 5k) @ Left Hand Beer Garden

Sunday 4/19

• 6:30 am – Packet Pick Up & Race Day Registration Opens
• 7:30 am – Half Marathon First Wave Start Time
• 7:45 am – Final Half Marathon Start Wave
• 9:00 am – First 5k Start Wave
• 9:15 am – Second 5k Start Wave
• 9:30 am - Final 5k Start Wave
• 10:00 am – Half Top 3 M/F Awards
• 10:05 am – Half Age Group Awards
• 10:15 am - Live Music starts at the brewery
• 11:15 am - Giveaways (Main Stage)
• 12:00 pm – Finish Line Closes
• 12:45 pm – Live Music ends
• 1:00 pm – Post party ends (but feel free to stay at the brewery and enjoy more beers and food for as long as you would like)

Half Marathon Awards: Top 3 overall male and female finishers. Awards will be given to the first three men and women to cross the finish line. Only runners starting in the 7:30 am wave will be eligible for the prizes. (Awards include - Colorado Brewery Running Series Event & Merchandise Gift Certificates, as well as prizes and gift certificates from Left Hand Brewing).

Top male and female Half Marathon finishers from the day in the following categories (chip time) will get a free entry to a 2025 Colorado Brewery Running Series 5k event of their choice: 21-29, 30-39, 40-49, 50-59, and 60+.

Entry Fees: Half Marathon Entry Fee: $75 until March 10th, $75 from March 11-April 17, and $85 on race weekend. After April 10th, tech shirts will be based on availability only. If we are out of tech shirts, you will receive a tri-blend shirt of your choice from our merchandise table. 5k Entry Fee: $40 until April 17th, $45 on race weekend.

Charity: A portion of the proceeds will benefit our non-profit event partner.

Parking: There are only about 350 spots available in the Left Hand parking lot. Please plan ahead and carpool if possible. The overflow parking options include street and neighborhood parking to the north (primarily on the east and west side of Bowen St, up to 3rd Ave) Please allow 15-20 min to park and walk, especially if you are in the later start waves.

Drop-Off/Ride Share: If you are coming via ride share or with friends and family, you can be dropped off across the street from the brewery at 1265 Boston Ave, Longmont, CO 80501.

Brew Crew Discount: All 2026 Colorado Brewery Running Series Brew Crew season pass holders can receive a $40 discount on the Left Hand Half Marathon with their Brew Crew 2026 code. Brew Crew All Distance pass holders receive a free 5k or half marathon entry.

Other Important Details

• The half marathon is chip-timed
• The half marathon is open to runners 14 years old and up.
• The 5k is an untimed, 5k fun-run.
• You must bring a valid ID or driver's license. You do not need to be 21 to enjoy the event, but you must be 21 to enjoy the beer. Please drink responsibly. (Registered, underage participants will receive a token for a FREE non-alcoholic beverage)
• Dogs, running strollers, and kids (under 12 run for free) are welcome in the 5k event! Reminder: you are running at your own risk on the trail, which might not be suitable for your child, dog, or running stroller. Please make the best decision possible for you and your running buddies.
• Our events are rain or shine! If conditions become unsafe to run, we will still hang out and drink beer!
• There will be a bag check available for the half marathon & 5k participants.
• Colorado Brewery Running Series merchandise, including shirts, hoodies, hats, stickers, heat press brewery logos, drinkware, and seasonal items that will be available at the brewery.

REFUND POLICY:

• Partial Refunds with Deadlines – You may receive a 90% refund if requested 14+ days prior to the event. You may receive a 50% refund if requested 7-14 days prior to the event. No refunds are available with less than 7 days before the event.
• Transfer to Another Runner – You may transfer your bib to another runner for no fee.

Questions/Inquiries: Interested in volunteering, sponsoring, or just have a general event question - please email Brady - [email protected]

Please check out the full season of Brewery Running Series 5k fun runs at: cobreweryrun.com

Keep an eye out - we will send you all final event details via email approximately one week out from the event and share anything else you might need to know.

Cheers to beers! We’ll see you at Left Hand Brewing!

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Host or Publisher Colorado Brewery Running Series™