gravel
✓ Verified Active Listing
JM Collingwood Barn Rat Filthy 50 Gravel
🧬 Course DNA & Technical Intel
📏 Primary Distance
50 mi
🛞 Recommended Tire
38mm – 42mm Tubeless
🚴 Discipline
gravel
🏁 Course Distance Options
Men's Open
Men's Open Waitlist
Women's Open
Women's Open Waitlist
Men's Masters 50+
Men's Masters 50+ Waitlist
Women's Masters 50+
Women's Masters 50+ Waitlist
Men's Singlespeed
Men's Singlespeed Waitlist
Women's Singlespeed
Women's Singlespeed Waitlist
Filthy 50 Tour
Filthy 50 Tour Waitlist
Dirty Little Rat 25 Tour
Dirty Little Rat 25 Tour Waitlist
About JM Collingwood Barn Rat Filthy 50 Gravel
Official registered gravel event in Pretty Prairie, KS. Direct registration on BikeReg.
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⚙️ Recommended Pro Hardware for JM Collingwood Barn Rat Filthy 50 Gravel
Top-rated power meters, radar, and GPS computers curated by Threshold Cycling.
Dual-Sided SPD Accuracy
View Product Specs ↗
Favero Assioma Pro MX-2 Power Meter Pedals
$759.00
±1% real-world power accuracy, seamless Bluetooth/ANT+ connectivity, and full rock strike durability designed specifically for gravel epics.
Backcountry Safety
View Product Specs ↗
Garmin Varia RTL515 Radar Tail Light
$199.99
Detects approaching vehicles up to 153 yards away with visual and audible cockpit alerts on your GPS computer. Vital for remote rural gravel roads.
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