Ralston Creek Half Marathon & 5k
- Date Sun 15th February 2026
- Time 9:00AM MST
- Location Arvada, Colorado
- Price $27.50 - $133.50
- Races 5 races
- Distances 5km, Half Marathon, 10km
Event summary
Get ready to lace up your running shoes for the Ralston Creek Half Marathon & 5K, happening on Sunday, February 15, 2026, in beautiful Arvada, Jefferson County, Colorado! This exciting winter running event features a scenic half-marathon and a 5K race, both set against the stunning backdrop of the Denver Metro area. The courses wind through a picturesque mix of road and bike paths over rolling terrain, making for an enjoyable experience for runners of all levels.
Participants in the half-marathon should note that entry is limited to the first 650 registrants, while the 5K race will accept a maximum of 350 entries, so be sure to secure your spot early! All finishers of the half-marathon will receive a coveted finisher's medal, while both race distances include fun perks such as FREE race photo downloads, hot cocoa, and delicious quesadillas fresh off the grill. Plus, enjoy the festive atmosphere with live music and post-race celebrations at the nearby Colorado Tap House, where you can unwind with a refreshing beverage. Whether you’re racing for a personal best or just for fun, the Ralston Creek Half Marathon & 5K promises an unforgettable day of winter running
Participants in the half-marathon should note that entry is limited to the first 650 registrants, while the 5K race will accept a maximum of 350 entries, so be sure to secure your spot early! All finishers of the half-marathon will receive a coveted finisher's medal, while both race distances include fun perks such as FREE race photo downloads, hot cocoa, and delicious quesadillas fresh off the grill. Plus, enjoy the festive atmosphere with live music and post-race celebrations at the nearby Colorado Tap House, where you can unwind with a refreshing beverage. Whether you’re racing for a personal best or just for fun, the Ralston Creek Half Marathon & 5K promises an unforgettable day of winter running
Organiser's Description
The Ralston Creek races feature a fun winter half-marathon and 5K run conveniently located on the west side of the Denver Metro Area in Arvada, Colorado. The courses cover a scenic mix of road and bike path over rolling terrain, and an optional early start time for half-marathon runners who expect to take more than 2 hours 45 minutes to complete the course!
Half-Marathon entry is limited to the first 650 registrations. 5K registration is limited to the first 350 entries. Once a distance has filled, we cannot accept any additional entries for that distance.
Your entry fee includes entry into the race, a finisher's medal (for half-marathon runners who complete the course), FREE race photo downloads, fun music, hot cocoa and tasty quesadillas fresh off the grill!!!
Long sleeve adult tech shirts will be included with all half marathon entries. 5k entries will come with a short sleeve t-shirt or an upgrade to a long sleeve tech shirt for $5.
_THE POST-RACE FESTIVITIES WILL CONTINUE AT THE NEARBY COLORADO TAP HOUSE [https://www.coloradotaphouse.com] LOCATED JUST ABOVE OUR 2 & 11 MILE AID STATION ON RALSTON CREEK TRAIL (14982 W.69TH AVE BY CAR) WHERE YOU CAN SHOW YOU RACE BIB ANY TIME ON RACE DAY AND RECEIVE $2 OFF A BEVERAGE ITEM OF YOUR CHOICE. WITH 30 TAPS THERE ARE PLENTY OF BEER OPTIONS, BUT ALSO CIDER, SELTZER, WINE AND COCKTAILS. THEY SERVE COFFEE DRINKS, KOMBUCHA, CBD CIDER, TOMMYKNOCKER N/A BEER, ROOT BEER AND SOFT DRINKS. THEY ALSO SERVE SMALL FOOD ITEMS AND THE FOOD TRUCK OF THE DAY ROLLS UP AT NOON! _
THIS IS ALSO THE FINAL RACE IN THE RACING UNDERGROUND WINTER RUNNING SERIES. THE THREE-RACE SERIES INCLUDES THE STOCKING RUN 5K IN DECEMBER, THE YETI CHASE 5K/10K IN JANUARY, AND THE RALSTON CREEK HALF-MARATHON & 5K IN FEBRUARY. CHOOSE FROM THE 5K-5K-5K SERIES OR THE 5K-10K-HALF MARATHON SERIES.
WINTER RUNNING SERIES
Series Finisher Awards to all runners who finish all three series races, and Overall Awards to the top series finisher in each age category!
DECEMBER 13, 2025: SUPERIOR STOCKING RUN 5K (Superior, Colorado)
JANUARY 25, 2026: YETI CHASE 5K/10K (Lakewood, Colorado)
FEBRUARY 15, 2026: RALSTON CREEK HALF MARATHON & 5K (Arvada, Colorado)
Half-Marathon entry is limited to the first 650 registrations. 5K registration is limited to the first 350 entries. Once a distance has filled, we cannot accept any additional entries for that distance.
Your entry fee includes entry into the race, a finisher's medal (for half-marathon runners who complete the course), FREE race photo downloads, fun music, hot cocoa and tasty quesadillas fresh off the grill!!!
Long sleeve adult tech shirts will be included with all half marathon entries. 5k entries will come with a short sleeve t-shirt or an upgrade to a long sleeve tech shirt for $5.
_THE POST-RACE FESTIVITIES WILL CONTINUE AT THE NEARBY COLORADO TAP HOUSE [https://www.coloradotaphouse.com] LOCATED JUST ABOVE OUR 2 & 11 MILE AID STATION ON RALSTON CREEK TRAIL (14982 W.69TH AVE BY CAR) WHERE YOU CAN SHOW YOU RACE BIB ANY TIME ON RACE DAY AND RECEIVE $2 OFF A BEVERAGE ITEM OF YOUR CHOICE. WITH 30 TAPS THERE ARE PLENTY OF BEER OPTIONS, BUT ALSO CIDER, SELTZER, WINE AND COCKTAILS. THEY SERVE COFFEE DRINKS, KOMBUCHA, CBD CIDER, TOMMYKNOCKER N/A BEER, ROOT BEER AND SOFT DRINKS. THEY ALSO SERVE SMALL FOOD ITEMS AND THE FOOD TRUCK OF THE DAY ROLLS UP AT NOON! _
THIS IS ALSO THE FINAL RACE IN THE RACING UNDERGROUND WINTER RUNNING SERIES. THE THREE-RACE SERIES INCLUDES THE STOCKING RUN 5K IN DECEMBER, THE YETI CHASE 5K/10K IN JANUARY, AND THE RALSTON CREEK HALF-MARATHON & 5K IN FEBRUARY. CHOOSE FROM THE 5K-5K-5K SERIES OR THE 5K-10K-HALF MARATHON SERIES.
WINTER RUNNING SERIES
Series Finisher Awards to all runners who finish all three series races, and Overall Awards to the top series finisher in each age category!
DECEMBER 13, 2025: SUPERIOR STOCKING RUN 5K (Superior, Colorado)
JANUARY 25, 2026: YETI CHASE 5K/10K (Lakewood, Colorado)
FEBRUARY 15, 2026: RALSTON CREEK HALF MARATHON & 5K (Arvada, Colorado)
Races
-
Half Marathon
Incl. $4.90 Fee & Select Your Shirt Size
Sun 15th February 2026 (9:00AM MST)
$69.90
-
5k Run
Incl. $2.80 Fee & Select Your Shirt Size
Sun 15th February 2026 (10:00AM MST)
$32.80
-
5k Youth Entry
Incl. $2.50 Fee & Select Your Shirt Size
Sun 15th February 2026 (10:00AM MST)
$27.50
-
5K-5K-5K Winter Run Series
Incl. $6.10 Fee & Select Your Shirt Size
Sun 15th February 2026 (10:00AM MST)
$91.10
Series entry gets you into all three Winter Series events: December 14 - Superior Stocking Run 5k January 26 - Yeti Chase 5k February 16 - Ralston Creek 5k -
5k-10k-Half Winter Run Series
Incl. $8.50 Fee & Select Your Shirt Size
Sun 15th February 2026 (9:00AM MST)
$133.50
Series entry gets you into all three Winter Series events: December 14 - Superior Stocking Run 5k January 26 - Yeti Chase 10k February 16 - Ralston Creek Half Marathon
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