Marathons and much more: Fort Collins-area 2025 running and race calendar

Running season is finally in full bloom here in the Fort Collins area.The unofficial kickstart for major Northern Colorado road races started with the Horsetooth Half Marathon on April 13 and the season rolls right on through to New Year's Eve.Maybe you're getting ready for those spring, summer and fall runs, ramping up the distances and aiming for new personal records.

Or maybe you're just looking for some fun 5Ks to run with friends and family.Whatever your running style, here is a list of 2025 races in the Fort Collins area:APRILGreat Western Trail Race (Severance)When: April 19Races: 5K, 10K, half marathon, kids 1-mile runCourse: An out-and-back on the crushed gravel path of the new Great Western Trail that connects Severance, Windsor and Eaton, with views of the Rocky Mountains and a start/finish at Severance Community Park.Cost: $50-85 (kids race is $18)Registration/Info: runsignup.



com/Race/CO/Windsor/GreatWesternTrailRaceGRIT RUN 5K (Fort Collins)When: April 26Races: 5KCourse: Hosted by CSU football, this race begins outside Canvas Stadium and runs through CSU's campus before ending inside the stadium.Cost: $28 for general public and $23 for CSU studentsRegistration/Info: register.ryzer.

com/camp.cfm?id=294585Earth Day 5K/10K (Loveland)When: April 26Races: 5K, 10K, Broken 15K, kids 1-mile runCourse: Begins near UCHealth Medical Center of the Rockies along Rocky Mountain Avenue and winds around Equalizer and Houts Lakes along the Centerra Trails.Cost: $35-$50 (senior/youth pricing available, kids race is $5)Registration/Info: greenevents.

raceentry.com/earth-day-race/race-informationThank you to everyone who came out and ran, walked, volunteered, and supported the 2024 Earth Day Races! See photos here:https://www.facebook.

com/media/set/?set=a.953007563493161&type=3Posted by Earth Day 5k/10k on Sunday, April 21, 2024NoCo Half Marathon (Loveland)When: April 27Races: Half marathon, 10KCourse: The very flat course is also one of the most compact longer races in the area, with a course that mostly stays on the Boyd Lake State Park paved paths and includes some minor off-road/dirt trail near the south loop.Cost: $60-$85Registration/Info: breakawayathleticevents.

com/noco-half-marathonFlying Pig 5K (Fort Collins)When: April 27Races: 5K onlyCourse: The course is run almost entirely in Spring Canyon Park, with a starting line on the southwest side of the park. It is a certified course and a qualifying race for the BOLDERBoulder.Cost: $40-$45Registration/Info: runsignup.

com/Race/CO/FortCollins/2022FlyingPig5KMAYRun for the Trees (Loveland)When: May 3Races: 2-mile run (virtual option available)Course: The relatively flat race starts at Centennial Park in Loveland and then winds through the roads/trails in and around the lakes at River's Edge Natural Area.Cost: $20-$25Registration/Info: runsignup.com/Race/CO/Loveland/RunForTheTreesCOColorado Marathon (Fort Collins)When: May 4Races: Full/half marathons, 10K, 5KCourse: The full and half marathons start in the Poudre Canyon and roll downhill into downtown Fort Collins via the Poudre Trail.

The 5K and 10K runs also utilize the Poudre Trail, with the 10K starting at the finish line and the 5K beginning just west of Taft Hill Road along the trail.Cost: $60-$80 for 5K/10K. Full marathon is sold out.

Limited Charity Fund entries ($345 after fees) for half marathon were still available as of April 13.Registration/Info: comarathon.comQuad Rock Trail Race (west of Fort Collins)When: May 10Races: 25- and 50-mile racesCourse: This trail-running event runs entirely through Lory State Park and Horsetooth Mountain Open Space west of Horsetooth Reservoir.

The start/finish line is near Soldier Canyon, while the routes are very challenging and features heavy elevation gain.Cost: $150-$180Registration/Info: gnarrunners.com/quad-rock-50/Fire Hydrant 5K (Fort Collins)When: May 31Races: 5K competitive, 5K fun, 5K walkCourse: The races wind through Spring Canyon Park, briefly joining the Spring Creek Trail before looping back toward the park and the finish near the pavilions on the northwest side.

Cost: $35-$65 (kids $25)Registration/Info: register.nocohumane.org/event/2025-fire-hydrant-5k/e657580JUNECrazy Legs 10K (Loveland)When: June 1Races: 10K onlyCourse: This trail run begins in the parking lot in Devil’s Backbone Open Space and is an out-and-back run that utilizes most of the available trails at Devil's Backbone.

Cost: $70-$80Registration/Info: raceroster.com/events/2025/91118/crazy-legs-10k-trail-runStep Up for Women and Recovery 5K (Fort Collins)When: June 7Races: 5K run/walkCourse: The route primarily consists of the paths running through Fossil Creek Park in south Fort Collins.Cost: $45Registration/Info: runsignup.

com/Race/Events/CO/FortCollins/StepUpForRecoverySierra's Race 5K (Loveland)When: June 14Races: 5K, kids fun runCourse: The course begins at Foundations Church in Loveland and remains relatively flat through the Boyd Lake area.Cost: $35 ($11 for kids)Registration/Info: runsignup.com/Race/CO/Loveland/SierrasRace5KSam's Rainbow Run (Fort Collins)When: June 14Races: 5K run/walk, kids 1-milerCourse: The 5K route begins with check in at the Oval at Colorado State University, goes through campus, and ends again back at the Oval.

Cost: $35-$45 (kids $11)Registration/Info: runsignup.com/Race/CO/FortCollins/SamsRainbowRunRed White and Brew Run (Windsor)When: June 21Races: 5K, 10K, half marathon, 12-hour "last man standing" race, kids fun run, 5K/10K rucksCourse: The race starts and ends near Hoedown Hill in Windsor. The courses will run along the nearby Raindance National golf course, the Poudre Trail, New Liberty Road, 7th Street and Eastman Park in south Windsor.

See the link for more details on each route.Cost: $50-$130 (kids run is $17)Registration/Info: windsorbrewrace.comHealing Warriors 5K Fun Run (Fort Collins)When: June 22Races: 5K only (walking is an option)Course: The route features two laps through Spring Canyon Park, with the start/finish line near the pavilions on the west side of the park.

There is little elevation change on this course.Cost: $40-$45 (kids $25)Registration/Info: runsignup.com/Race/CO/FortCollins/HealingWarriors5KFunRunTimberview Trail Run (west of Fort Collins)When: June 28Races: 5K, 5 miles, 10 milesCourse: This is a trail-running event that starts at the Soldier Canyon site and proceeds through much of the Lory State Park trails just west of Horsetooth Reservoir.

This is a challenging run with frequent changes in elevation.Cost: $30-$70Registration/Info: breakawayathleticevents.com/timberview-trail-runJULYLoveland Liberty 5K (Loveland)When: July 4Races: 5K, virtual 5KCourse: The race starts at Fairgrounds Park and winds through and around the lakes at River's Edge Natural Area with a mix of road and trail for the course.

Cost: $35-$45Registration/Info: sweetheartcityracing.com/events/loveland-libertyFireKracker 5K (Fort Collins)When: July 4Races: Citizens 5K run/walk, elite 5K, kids 1-mileCourse: The route for all three events runs entirely in and around City Park, with the courses winding around Sheldon Lake as the focal point.Cost: $40-$55 (youth/senior pricing available, kids race is $10-$12)Registration/Info: runsignup.

com/Race/CO/FortCollins/FireKrackerAUGUSTValley 5000 (Loveland)When: Aug. 2Races: 5K, 1-mile (virtual options available)Course: This 5K course starts and finishes in Loveland's Mehaffey Park. Runners move along the Louden Ditch and Meadowbrook Natural Area before heading north and returning to the park.

The 1-mile race starts at the Rio Blanco Avenue/29th Street intersection and travels south and then east and north around the park before reaching the finish line.Cost: $20-$55Registration/Info: sweetheartcityracing.com/events/valley-5000Lory Summer Trail Series (west of Fort Collins)When: Aug.

5, 12, 19 and 26Races: Two 5Ks, one 10K, one 12KCourse: This is a series of shorter, faster trail runs designed to welcome newer runners and sharpen training for experienced ones with four summer runs through Lory State Park. Elevation gains range from 250 feet to 1,700 feet.Cost: $25-$30 per race, or $80-$100 for the whole seriesRegistration/Info: gnarrunners.

com/summer-trail-seriesChoice City Running Festival (Fort Collins)When: Aug. 8 through Aug. 9Races: Human Race half marathon, Human Race 10K and 5K, Jane Welzel Mountain Avenue MileCourse: The three longer races start at Civic Center Park in downtown Fort Collins.

The 5K heads west down Mountain Ave before U-turning back. The 10K follows a similar westward path along Mountain but continues north at its end, hitting the Poudre Trail and returning to the start. The half marathon follows the 10K route but continues south along the Poudre Trail until Timberline before retracing back to downtown.

The Mountain Avenue Mile is a straight shot east from north of City Park to the Mountain/Howes intersection.Cost: $25-$90 (kids discounts available). Registration not open yet as of April 13.

Registration/Info: choicecityrunning.comSeverance Glow 5K Run or WalkWhen: Aug. 9Races: 5K, Kids Fun RunCourse: This lighted night-time event will have glowsticks and a lighted course, though final course details haven't been announced as of April 13.

Cost: $40-$50 (kids run is $18)Registration/Info: runsignup.com/Race/CO/Severance/SeveranceDays5kSEPTEMBERBlack Squirrel Half (west of Fort Collins)When: Sept. 6Races: Half marathon (trail running)Course: This intense trail-running race starts and ends at Soldier Canyon picnic area and spans much of the perimeter of Lory State Park, with steep uphills early, a sharp descent in the middle near the Arthur's Rock area and rolling terrain for the final several miles.

Cost: $100-$125Registration/Info: gnarrunners.com/black-squirrel-halfFall Equinox Marathon (west of Fort Collins)When: Sept. 14Races: Marathon, half marathon, 5-mile (virtual options available)Course: All three events run through the Poudre Canyon.

The marathon starts west of Pingree Park at Ohana Mountain Ranch, the half marathon begins at the Mishawaka Amphitheatre and the 5-mile run takes off from Gateway Natural Area, with each ending at the bottom of the canyon (a half mile west of Ted's Place on U.S. Highway 287).

Cost: $65-$150 (virtual races are $65)Registration/Info: equinoxraces.com/race-infoRed Feather Trail Jamboree (Red Feather Lakes)When: Sept. 26 through Sept.

28Races: Half marathon, 50K, 50 milesCourse: The trail-running courses overlap along the trails south and west of Red Feather Lakes, spanning parts of the Lady Moon, Elkhorn Creek, Granite Ridge and Deadman trailheads. Much of the race route cuts through private land of the Ben Delatour Scout Camp and surrounding national forest.Cost: $90-$180Registration/Info: gnarrunners.

com/red-feather.oembed-frame {width:100%;height:100%;margin:0;border:0;}OCTOBERWindsor Marathon (Windsor)When: Oct. 6Races: Full marathon, half marathon, 10K, 5K, kids fun runCourse: All four events begin and end at the Island at Pelican Lakes.

The marathon winds through the Pelican Lakes area before traversing much of south and west Windsor, including a lengthy portion along the Poudre River Trail. The half marathon has a similar route but only barely goes west of Colorado Boulevard/Weld County Road 13. Visit the link below for more course info.

Cost: $50-$145 (kids race is $15)Registration/Info:www.windsorcorace.comView this post on InstagramA post shared by Run.

Windsor- Northern Colorado Races (@run.windsor)Long View Marathon (Fort Collins/Loveland)When: Oct. 11Races: 5K, half marathon, full marathonCourse: The marathon course begins at EPIC in Fort Collins.

It follows the Spring Creek Trail west to Spring Canyon Park before moving south along the Fossil Creek and Long View trails, eventually joining Loveland's Recreation Trail and finishing at Fairgrounds Park in south Loveland. The half marathon starts at Fossil Creek Park in south Fort Collins and follows the same route as the marathon from there, also ending at Fairgrounds.Cost: $35-$130Registration/Info: longviewmarathon.

comJoy and Justice 5K (Timnath)When: Oct. 12Races: 5K walk, 5K run, kids 1-mile runCourse: This moderate course starts on the southwest side of Timnath Reservoir and winds around roads and trails on the the south and west sides of the reservoir.Cost: $30-$40 (kids race $18)Registration/Info: https://runsignup.

com/Race/CO/Timnath/JoyandJusticeRaceCSU Homecoming 5K (Fort Collins)When: Oct. 18Races: 5K, kids run (virtual options available)Course: Start at the Oval and head south, run through campus, and finish with a straight path down Laurel St, wrapping up back at the Oval.Cost: $25-$50 (discounts available for kids, students, seniors and alumni)Registration/Info: runsignup.

com/Race/CO/FortCollins/Homecoming5kColoradoStateUniversityBlue Sky Marathon & Half (Fort Collins/Loveland foothills)When: Oct. 18 to Oct. 19Races: Half marathon, full marathonCourse: This is another intense trail-running course that traverses the Fort Collins/Loveland areas in the foothills.

The 26.7-mile marathon-plus run starts and ends at Blue Sky Trailhead west of Fort Collins. Runners head north into Lory State Park before looping back down toward the starting line.

The run then continues south to Devil's Backbone before U-turning back toward the finish line. The half marathon starts closer to the reservoir and heads south past Rim Rock Open Space before heading back north on the same route.Cost: $100-$140Registration/Info: gnarrunners.

com/blue-sky-marathonNarrowleaf Lake Run (Loveland)When: Oct. 26Races: 4-, 7- or 10-mile options, plus 1-mile Pumpkin Run and kids fun run (1/2 or full mile)Course: This race involves a simple route that follows the trails west of Boyd Lake in Loveland through the state park area. It's an out-and-back course that goes north from the starting line, as runners turn around at various aid stations depending on their distance preference.

Cost: $25-$65 (fun run free for kids)Registration/Info: breakawayathleticevents.com/narrowleaf-lake-runToday's Narrowleaf Lake Run was our last race of 2024. Thank you to ALL the athletes, sponsors, spectators, volunteers.

..Posted by Breakaway Athletic Events on Sunday, October 27, 2024NOVEMBERColorado 24 Hour Run (Fort Collins)When: Nov.

1Races: 6 hours, 12 hours, 24 hours (relays available in all times)Course: This is for the hardcore runners, with starting times every six hours over the course of 24 hours. The course is at the Swift Ponds Campus of Colorado Youth Outdoors, directly east of Interstate 25 and south of Kechter Road. It is a continuous 1-mile loop with "zero" elevation change.

Cost: $100-$225Registration/Info: gnarrunners.com/colorado-24-hour-runBell Ringer 4 Miler (Loveland)When: Nov. 8Races: 4-mile run (virtual option available), 4-mile ruckCourse: The annual event rings the bells to honor veterans and begins at North Lake Park just west of Loveland High School before running along the roads around the entirety of Lake Loveland.

Cost: $40-$55Registration/Info: sweetheartcityracing.com/events/bell-ringer-4-milerPelican Lakes Turkey Trot (Windsor)When: Nov. 27Races: 5K walk, 5K runCourse: The 5Ks begin at Pelican Lakes Golf Course and features a relatively flat course that moves through the surrounding neighborhood, along the course, near the lakes and briefly with the Poudre Trail.

Cost: $35-$45Registration/Info: runsignup.com/Race/CO/Windsor/PelicanLakesTurkeyTrotView this post on InstagramA post shared by Run.Windsor- Northern Colorado Races (@run.

windsor)Huffin for Stuffin 2-mile Fun Run (Loveland)When: Nov. 27Races: 2-mile fun run (virtual option available)Course: The race is a relatively flat one (perfect for a Thanksgiving race), starting in Mehaffey Park in west Loveland and running through the park's various trails.Cost: $20-$25Registration/Info: runsignup.

com/Race/CO/Loveland/HuffinforStuffin2MileFunRunThanksgiving Day Run (Fort Collins)More information coming when event details are finalized for the 2025 edition.More Info: fctdayrun.comDECEMBERToy Drop (Loveland)When: Dec.

6Races: 5K, 10K, 15K (virtual options available)Course: The races will start near Berthoud Brewing and encompass several different routes through west-central Loveland, including near the Big Thompson River, Meadowbrook Natural Area and Mehaffey Park.Cost: $35-$70Registration/Info: sweetheartcityracing.com/events/toy-drop-5k-and-10kSanta Catch 5K & 10K (Windsor)When: Dec.

13Races: 5K, 10K, 1-mile kids runCourse: The races start at the NoCo Sports Center in west Windsor before running through the neighborhoods surrounding Highland Meadows Golf Course. While not in the mountains or foothills, there is some modest elevation gain on this route.Cost: $40-$60 (kids run is $18)Registration/Info: santacatchrace.

com/Race/CO/Windsor/SantaCatch5KResolution Run (Fort Collins)When: Dec. 31Races: 5KCourse: A rare night race that runs after sunset on New Year's Eve. The course starts and ends at Edora Pool Ice Center (EPIC) and runs on both dedicated Edora Park paths and nearby Parkwood/Stonehenge neighborhood streets.

Cost: $20-$35 (Registration doesn't open until the fall.)Registration/Info: resolutionrunfc.comChris Abshire covers high school and community sports for the Coloradoan.

This article originally appeared on Fort Collins Coloradoan: Fort Collins running: 2025 marathons, race calendar in Northern Colorado.