Enjoy the Best Race In Denver!

Race is limited to 2,900 half marathoners and 100 relay teams.
Entry Fees are non-refundable and non-transferable.

2022 Race Registration will open on October 24th!

Race Week Packet Pick-Up & Registration

Locations, dates and times are subject to change.

Friday, April 8th -11:00 a.m. to 6:00 p.m. at Breckenridge Brewery: 2920 Brewery Lane, Littleton, CO 80120

Saturday, April 9th – 10:00 a.m. to 4:00 p.m. at Runners Roost: 1685 South Colorado Boulevard Denver, CO 80222

Please come prepared with your ID and your bib number. Your bib number should come on Friday morning via e-mail from our registration company. You can also look it up on-site if needed. You may pick up someone else’s packet with a copy of that person’s ID as well. One member of a relay team can pick up everyone’s packets.

Race Day Registration and Pre-Registration Packet Pickup

Location: Downtown Littleton RTD Parking Lot at corner of Prince Street and Alamo Avenue.

Sunday, April 10th 6:30 a.m. to 7:45 a.m. At the RTD Parking Lot at the corner of Prince Street and Alamo Avenue in downtown Littleton.

Starting Line

In downtown Littleton, south of the intersection of Prince Street and Alamo Avenue near where Little’s Creek Trail starts.

The race starts at 8:00 a.m.


At the start:

The Littleton-Downtown Light Rail Station at Alamo Avenue and Prince Street

Littleton Center at Prince Street and Berry Avenue

Arapahoe County Building at Crestline Avenue and Prince Street

DO NOT PARK in any Arapahoe Community College parking lots. You might be ticketed or towed if you park in these lots.

South of the start:

The Mineral Light Rail Station at Santa Fe Drive and Mineral Avenue.The Light Rail from the Mineral Station to the Littleton-Downtown is a 3 minute ride.

The race start is within walking distance west of the Littleton-Downtown Station.

Course Map and Relay Exchange Points

Link to Course Map: COURSE CERTIFICATION MAP.   The finish line is on Mariposa Street between 9th and 10th.

The relay will consist of three legs of 5 miles, 5 miles and 3.1 miles.

The first exchange point is at the Englewood Golf Course just north of Oxford Ave. Take Santa Fe Drive north to Oxford Avenue. Go west on Oxford Avenue. Utilize the parking lot on the north side of Oxford Avenue on the west side of the Platte River. A volunteer will direct the 2nd runner to the 5-mile marker, which is a just north of the roundabout on the east side of the Platte River.  Overflow parking is in the golf course parking lot, far west side by the bathrooms.

The second exchange point is located near Vanderbilt Park in Denver. Take Santa Fe Drive north to Alameda Avenue. Go west on Alameda, crossing I-25. Turn left onto South Platte River Drive. South Platte River Drive will turn into Jason Street. Follow Jason Street south until you reach Exposition Avenue.  Go East on Exposition Ave. to where it intersects with Huron St.  There will be an aid station at this intersection.  Parking on the street nearby is your best bet.  The actual exchange zone is just north of where runners go under Santa Fe on the bike path.

Additional Course Information

Each mile will be marked, courtesy of our Mile Marker Sponsors.

Split times will be the responsibility of each runner.

For safety reasons we ask you to refrain from running with dogs and baby joggers/strollers during the race.

The Platte River Trail is a multi-use trail and will be open to other exercise enthusiasts during the race.  Please be respectful of their use of the trail.

Transportation to and from exchange points is the responsibility of the relay teams.  One vehicle/team should be sufficient.

Finish line support will close at 11:00 a.m. (13:45/mile pace)

Aid Stations

  • There will be a total of 6 aid stations
  • Approximate locations are at each two-mile interval (Note that the mile 6 aid station is closer to 6.25)
  • Serving water and Nuun electrolyte replacement drink in lemon-lime and strawberry lemonade flavors
  • Portable toilets will be at or near the aid stations and at each relay exchange point

Baggage Check-in

Southeast of the start in the RTD Bus circle.

Attach the baggage tag from the bottom of your bib number to either a bag that you’ve brought or the Asics bag supplied by the race with your clothing.

Bags will be transported to the finish line.

There is no baggage check provided to and from the relay exchange zones.

The race is not responsible for lost or damaged bags or personal items.  We will do our best to make sure your bag makes it safely to the finish line.

Post Race Party

Lunch provided by the Buckhorn Exchange and our other sponsors. Our post race clebration was awarded the Best Post Race Party of 2012 by Competitor Sports. Live entertainment will be provided at the finish. (Lunch for participants only.)

Return Transportation

Return transportation will be from the 10th and Osage station to the Downtown Littleton station, about a 15 minute ride.  RTD Light Rail passes will be provided to each participant following the race.  For more information on the Light Rail visit www.rtd-denver.com.

Event Records

Male: Jason Delaney 1:08:48 (‘09)

Female: Anna Pichrtova 1:16:02 (‘05)

Men’s Master: Andy Ames 1:12:24 (‘07)

Women’s Master: Tanya Poel 1:23:58 (‘07)


Overall awards will be given to the top three male and female finishers both Open and Masters (40+).  The award ceremony will be on the stage at 11:00 am.  Age group and relay awards will be mailed to the winners.

Men and women age group awards in the half marathon will be presented to the top three finishers in the following age categories; 19 and under, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69, 70-74, 75-79 and 80+.

Relay awards will be presented to the top three male, female and co-ed teams.

Open and Masters award winners will be excluded from the age group awards.

Roi Davis Trophy

Roi Davis, co-owner of the Buckhorn Exchange, avid runner and supporter of the Platte River 1/2 Marathon and Buckhorn Exchange Relay, passed away suddenly on May 20, 2005. In memory of Roi, the male and female winner and the oldest finisher each year will be recognized with their names engraved on a trophy that will remain at the Buckhorn Exchange Restaurant.


Spectators can watch the first two miles of the race in Downtown Littleton and then purchase a Light Rail ticket to the finish at the Buckhorn Exchange located at the Light Rail Station at 10th Avenue and Osage Street.