JM Collingwood Barn Rat Filthy 50 Gravel takes place on Sat, Oct 31, 2026 in Pretty Prairie, United States. The main route is 80 km.
- Date
- Sat, Oct 31, 2026
- Start
- Pretty Prairie 🇺🇸
- Distance
- 80 km
- Level
- Open to all
Toe the line at JM Collingwood Barn Rat Filthy 50 Gravel in your best shape
A training plan built around your fitness and this race, adapted every day as your form changes. Attach the course and it prepares for the climbs too.
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The Barn Rat Filthy 50 is a gravel cycling race and tour starting at the historic JM Collingwood Barn near Pretty Prairie and traversing the sandy, rolling roads of Kansas’s Ninnescah River Valley.
What this race demands
This 80 km gravel ride demands sustained aerobic power and the ability to manage effort on sandy, rolling roads. Riders need to maintain traction and control as the terrain changes.
Aerobic endurance
An 80 km ride requires sustained effort over several hours for many riders, making aerobic endurance central to completing the distance well.
Variable pacing
The course is described as rolling, so riders should be ready to adjust effort across changing terrain rather than hold one steady output.
Gravel handling
Sandy roads demand steady bike control and attention to traction, especially while maintaining forward momentum.
If your ride is likely to exceed 2.5 hours, target about 60–90 g of carbohydrate per hour.
What would it take you?
Pick the level closest to yours for an estimate of finish time on this course and the training a solid preparation needs.
Estimated finish
2:20–2:50
Peak-week training
6–8 h/week
A model estimate from distance, climbing and level, not a promise. Conditions, drafting and pacing move it.
IntervalCoach turns those weekly hours into a concrete plan built around your actual fitness. Start with this race as your goal
Frequently asked questions
When is JM Collingwood Barn Rat Filthy 50 Gravel?
JM Collingwood Barn Rat Filthy 50 Gravel takes place on Sat, Oct 31, 2026 in Pretty Prairie, United States.
How long is JM Collingwood Barn Rat Filthy 50 Gravel?
The main route is 80 km.
What does JM Collingwood Barn Rat Filthy 50 Gravel demand?
This 80 km gravel ride demands sustained aerobic power and the ability to manage effort on sandy, rolling roads. Riders need to maintain traction and control as the terrain changes.
Who is JM Collingwood Barn Rat Filthy 50 Gravel for?
JM Collingwood Barn Rat Filthy 50 Gravel is open to all participants.
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