Join us for the Left Hand Half Marathon and 5k on Sunday, April 27, 2025. 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 26th 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.
What’s included?! All participants receive:
Entry Fees: Half Marathon Entry Fee: $70 until March 10th, $75 from March 11-April 26, and $85 on Race Day. 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 26th, $45 on Race Day.
Saturday 4/26
Sunday 4/27
Entry Fees: Half Marathon Entry Fee: $70 until March 10th, $75 from March 11-April 26, and $85 on Race Day. 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 26th, $45 on Race Day.
Charity: A portion of the proceeds will benefit our non-profit event partner: Forever Buffs Boulder
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 2025 Colorado Brewery Running Series Brew Crew season pass holders can receive a $40 discount on the Left Hand Half Marathon with their Brew Crew 2025 code.
Other Important Details
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.
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+.