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New to these events? Review these important procedures and pre-requisites:
About the Brevets ·  About the Populaires

Brevets and the Flèche are ACP-sanctioned unless otherwise noted (® = RUSA sanctioned).
Populaires, Darts, and Dart Populaires are RUSA-sanctioned.
1200k's are sanctioned by Randonneurs Mondiaux.

  200km  
Jan 10
Sat.
Boone Boondoggle - Boone - Sugar City - La Junta - - Low elevation 4,100 to 4,500 feet 200K in the Arkansas River Valley East of Pueblo. · Lights and reflective gear required. · RideWithGPS Map · Register · Contact Ride Coordinator (Vernon Smith)
Sign in: 7:00 am
Depart: 8:00 am
Boone
Boone, CO City Park
  104km  
Jan 18
Sun.
Lyons - Berthoud - Populaire - A leisurely trip to near Lyons and near Berthoud. NOTE: This route may change. · Register
► To lead this ride, contact us here!
Sign in: 9:30 am
Depart: 10:00 am
Boulder
East Boulder Rec. Ctr.
  200km  
Feb 7
Sat.
Bo-Lar Boogie - Cherryvale - Masonville - A pleasant loop around Boulder and Larimer Counties · Lights and reflective gear required. · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 7:00 am
Depart: 8:00 am
Louisville
Louisville Conoco
  100km  
Feb 15
Sun.
Rabbit Mountain - Populaire  NEW  - Eldorado Springs - Rabbit Mountain - - A visit to Eldorado Springs and then Rabbit Mountain. NOTE: This route may change. · Register
► To lead this ride, contact us here!
Sign in: 9:30 am
Depart: 10:00 am
Louisville
Louisville Conoco
  200km  
Mar 7
Sat.
Buffaloberry  GRAVEL  - Chatfield - Jellystone Park - Elizabeth - - A gently rolling route through the southern suburbs of Denver on lower traffic roads and a variety of bike trails, making for a backroads, backyards experience in the metro area. 2% unpaved. · Lights and reflective gear required. · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 7:00 am
Depart: 8:00 am
Littleton
Mineral & Santa Fe Park-and-Ride
  104km  
Mar 15
Sun.
Carter Lake Cartwheel - Populaire  NEW  - Carter Lake - Paradise Valley - A climb up the east face of Carter Lake then a stop at Sandy's · Register
► To lead this ride, contact us here!
Sign in: 9:30 am
Depart: 10:00 am
Niwot
Niwot High School
  110km  
Mar 28
Sat.
Lefthand Bertha Roubaix - Populaire  GRAVEL  - A tranquil ride with lots of dirt between Niwot and Berthoud · 38.5 mi (55%) unpaved · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 8:45 am
Depart: 9:30 am
Niwot
Niwot High School
  200km  
Apr 4
Sat.
Kersey Kick - A plains foray in Boulder, Weld and Larimer Counties, visiting Kersey and Hudson. · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 7:00 am
Depart: 8:00 am
Louisville
Louisville Conoco
  125km  
Apr 11
Sat.
Castle Rocks - Populaire  NEW  - Gravel route and start TBD. · Register · Contact Ride Coordinator (Corinne Warren)
Sign in: 7:00 am
Depart: 8:00 am
Castle Rock
Near I-25 Exit 181
  200km  
Apr 18
Sat.
Stove Prairie - Horsetooth - Poudre Canyon - Stove Prairie - Through Masonville, over Horsetooth Reservoir, up Poudre Canyon, then up to Stove Prairie, returning via Masonville. · RideWithGPS Map · Register · Contact Ride Coordinator (John Lee Ellis)
Sign in: 7:00 am
Depart: 8:00 am
I-25 Exit 243
(Hwy. 66) NE Corner Conoco
  360km  
May 2
Sat.
Colorado Front Range Flèche - Teams of between 3 and 5 team members design routes and ride at least 360km over 24 hours to a common destination. RUSA allows teams to start as early as Friday. We suggest that teams start at 8am on Saturday, so that teams can share in the post-event get together. · Lights and reflective gear required. · Register · Contact Ride Coordinator (John Lee Ellis)
Depart: 8am Sat.
Recommended
Louisville
US-36 Louisville-Superior Exit
  300km  
May 9
Sat.
Glen Haven - James Canyon - Glen Haven - Horsetooth - A jaunt up Big Thompson Canyon and Little Thompson Canyon with possible cinnamon rolls! · Lights and reflective gear required. · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 4:00 am
Depart: 5:00 am
Louisville
Louisville Conoco
  400km  
  1000km  
  1200km  
May 15
Fri.
Colorado Fruita Loops 1200 · Lights and reflective gear required. · Contact Ride Coordinator (John Lee Ellis) · Consult the Colorado Fruita Loops 1200 main page for route details, and qualifying and registration for the 1000k and 1200k distances. · Register (400k only)
Sign in: 3:00 am
Depart: 4:00 am
Fruita
host hotel
  300km  
  400km  
  600km  
May 16
Sat.
Poudre Canyon (300k/400k/600k) · Lights and reflective gear required. · Register

300km: - Horsetooth - Poudre Canyon - The 300km uses most of the 400km route. · 300k RideWithGPS Map
400km:
- Horsetooth - Poudre Canyon - Wellington - · 400k RideWithGPS Map
600km:
- Horsetooth - Poudre Canyon - Wellington - Kersey - The first 400km of the 600km shares the route of the 400km brevet. · 600k RideWithGPS Map (first 400km) · 600k RideWithGPS Map (final 200km) ·
► To lead this ride, contact us here!
Sign in: 3:00 am
Depart: 4:00 am
Louisville
Louisville Conoco
  125km  
May 23
Sat.
Palmer Divide Gravel Getaway - Populaire  GRAVEL  - A rolling course along the Palmer Divide, inspired by the Anti-Epic course · 60.9 mi (78%) unpaved · RideWithGPS Map · Register · Contact Ride Coordinator (Corinne Warren)
Sign in: 8:00 am
Depart: 9:00 am
Greenland
Greenland Open Space trailhead
  400km  
  600km  
Jun 6
Sat.
Lefthand Canyon - Lefthand Canyon - St. Vrain Canyon - Horsetooth - Wellington · Lights and reflective gear required. · Register

400km: · 400k RideWithGPS Map
600km: The first 400km of the 600km brevet shares the route of the 400km brevet, followed by a 'quick' visit to Kersey. · 600k RideWithGPS Map (first 400km) · 600k RideWithGPS Map (final 200km) · Contact Ride Coordinator (John Lee Ellis)
Sign in: 3:00 am
Depart: 4:00 am
Louisville
Louisville Conoco
  200km  
Jun 13
Sat.
VGV Audax - Vail - Glenwood Canyon - Vail · What Is Audax? · Register
► To lead this ride, contact us here!
Sign in: 7:00 am
Depart: 8:00 am
Vail
Safeway
  400km  
  600km  
  1000km  
Jun 20
Sat.
St. Vrain Canyon · Lights and reflective gear required. · Register

400km: Lefthand Canyon - Glen Haven - Wellington - 400k Cue Sheet· 400k RideWithGPS Map
600km:
Lefthand Canyon - Glen Haven - Wellington - Kersey - The first 400km of the 600km brevet shares the route of the 400km brevet, followed by a 'quick' visit to Kersey. · 600k Cue Sheet · 600k RideWithGPS Map (400km loop) · 600k RideWithGPS Map (200km loop)
1000km:
- Lefthand Canyon - Wellington - Kersey - Ft. Morgan - Big Thompson - The first 500km of the 1000km brevet shares the first 500km of the 600km brevet (to Kersey), followed by an excursion down the South Platte to Ft. Morgan, and ending with a climb up Big Thompson Canyon. · 1000k Cue Sheet (PDF)  (Excel) · 1000k RideWithGPS Map (loop 1) · 1000k RideWithGPS Map (loop 2) · 1000k RideWithGPS Map (loop 3)
► To lead this ride, contact us here!
Sign in: 3:00 am
Depart: 4:00 am
Louisville
Louisville Conoco
  600km  
Jun 27
Sat.
North Park - Laramie - Cheyenne · Lights and reflective gear required. · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 3:00 am
Depart: 4:00 am
Louisville
Louisville Conoco
  200km  
Jul 11
Sat.
Vail Pass Volley - Frisco - Vail Pass - Gypsum - Climbs both sides of Vail Pass (10,674 ft.) with a jaunt down the Eagle River to Gypsum. · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 7:00 am
Depart: 8:00 am
Frisco
I-70 Exit 201
  300km  
Jul 18
Sat.
Audax 300k  NEW  · What Is Audax? - Route and starting point TBD. · Lights and reflective gear required. · Register · Contact Ride Coordinator (Mike Turek)
Sign in: 3:00 am
Depart: 4:00 am
Louisville
Louisville Conoco
  300km  
Aug 1
Sat.
Peak-to-Peak - Coal Creek Canyon - Glen Haven - Platteville - Climbs Coal Creek Canyon for a jaunt on the Peak-to-Peak Highway to Allenspark, descending through Glen Haven down Big Thompson Canyon, then Masonville and Platteville. · Lights and reflective gear required. · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 4:00 am
Depart: 5:00 am
Louisville
Louisville Conoco
  1000km  
Aug 8
Sat.
Lefthand Canyon - Pawnee Grasslands - Devil's Gulch - The route is three loops and resembles our June 1000k, except up Lefthand Canyon the first day, like the Lefthand Canyon 400k we rode in June. This is an unsupported event. · Lights and reflective gear required. · Register
► To lead this ride, contact us here!
Sign in: 3:00 am
Depart: 4:00 am
Louisville
Louisville Conoco
  200km  
Aug 15
Sat.
Glen Haven Gallivant - Lyons - Meeker Park - Devil's Gulch - Glen Haven · NOTE: This route may change. · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 7:00 am
Depart: 8:00 am
Louisville
Louisville Conoco
  150km  
Aug 23
Sun.
Gravel 150k - Populaire  GRAVEL   NEW  - Route and starting point TBD. · Register
► To lead this ride, contact us here!
Sign in: 7:00 am
Depart: 8:00 am
Louisville
Louisville Conoco
  400km  
  600km  
  1000km  
Sep 5
Sat.
St. Vrain Canyon · Lights and reflective gear required. · Register

400km: Lefthand Canyon - Glen Haven - Wellington - 400k Cue Sheet· 400k RideWithGPS Map
600km:
Lefthand Canyon - Glen Haven - Wellington - Kersey - The first 400km of the 600km brevet shares the route of the 400km brevet, followed by a 'quick' visit to Kersey. · 600k Cue Sheet · 600k RideWithGPS Map (400km loop) · 600k RideWithGPS Map (200km loop)
1000km:
- Lefthand Canyon - Wellington - Kersey - Ft. Morgan - Big Thompson - The first 500km of the 1000km brevet shares the first 500km of the 600km brevet (to Kersey), followed by an excursion down the South Platte to Ft. Morgan, and ending with a climb up Big Thompson Canyon. · 1000k Cue Sheet (PDF)  (Excel) · 1000k RideWithGPS Map (loop 1) · 1000k RideWithGPS Map (loop 2) · 1000k RideWithGPS Map (loop 3)
► To lead this ride, contact us here!
Sign in: 3:00 am
Depart: 4:00 am
Louisville
Louisville Conoco
  200km  
Sep 12
Sat.
Stove Prairie Saunter - Stove Praire South Face and Return - - A climb up the south face of Stove Prairie and return, with stop at Sandy's. · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 7:00 am
Depart: 8:00 am
Louisville
Louisville Conoco
  200km  
Sep 19
Sat.
Colorado Front Range Dart - Teams of between 3 and 5 team members design routes and ride at least 200km over 13½ hours to a common destination. · Register
► To lead this ride, contact us here!
Depart: 7:00
Louisville
US-36 Louisville-Superior Exit
  202km  
Sep 26
Sat.
Carr-nival Gravel Cruise  GRAVEL   NON-ACP  - A bracing visit towards Wyoming through the ride open landscapes near Carr · 55 miles unpaved (44%) · Lights and reflective gear required. · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 7:00 am
Depart: 8:00 am
Loveland
Loveland Valley Town Center
  200km  
Oct 3
Sat.
James Canyon Jaunt - A nice climb up Lefthand Canyon to James Canyon, and a transit of Masonville! · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 7:00 am
Depart: 8:00 am
Louisville
Louisville Conoco
  100km  
Oct 10
Sat.
Apple Cider Sally Audax - Apple Valley - Erie - - A visit to Apple Valley and then a cider stop in Erie as an Audax. · What Is Audax? · Cue Sheet · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 7:00 am
Depart: 8:00 am
Louisville
Louisville Conoco
  120km  
Oct 17
Sat.
Colorado Front Range Dart Populaire - Populaire - Teams of between 3 and 5 team members design routes and ride at least 120km over 8 hours to a common destination. · Register
► To lead this ride, contact us here!
Depart: 8:00
Louisville
US-36 Louisville-Superior Exit
  200km  
Nov 14
Sat.
Platteville Poke-Along - Platteville - Masonville - A burrito giganto and BBQ bacon cheeseburger escapade via Platteville and Sandy's! · Lights and reflective gear required. · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 7:00 am
Depart: 8:00 am
Louisville
Louisville Conoco
  200km  
Dec 5
Sat.
Roggen Roundabout - Heads out east to the breezy plains, back via Platteville, 'the rando vortex'. Our easternmost 200k! · Lights and reflective gear required. · RideWithGPS Map · Register
► To lead this ride, contact us here!
Sign in: 7:00 am
Depart: 8:00 am
Louisville
Louisville Conoco

 
Randonneurs USA Event Fee - RUSA is not charging an event fee in 2026
Volunteering to Lead a Ride - To volunteer to lead a ride, simply contact us! For starting brevets and populaires, arrive well in advance of the start, and collect riders' waivers, and answer any questions. After the ride, riders send you GPS tracks or other proofs of passage. For team events - the Flèche or Darts - just coordinate the teams - the team captains start off their teams. Thank you!   Guide for Ride Leaders


‡If you are not a current RUSA member, join/renew online.
If you are not a current RMCC member, join/renew online (preferred), or print the membership application
and either mail it in or bring it, along with a check for the membership fee, to the ride start.