gravel
β Verified Active Listing
Driftless 100
𧬠Course DNA & Technical Intel
π Primary Distance
100 mi
π Recommended Tire
38mm β 42mm Tubeless
π΄ Discipline
gravel
π Course Distance Options
Driftless 100
Driftless 45
100 Mile Single Speed
100 Mile Fat Bike
45 Mile Single Speed
45 Mile Fat Bike
About Driftless 100
Official registered gravel event in Elkader, IA. Direct registration on BikeReg.
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βοΈ Recommended Pro Hardware for Driftless 100
Top-rated power meters, radar, and GPS computers curated by Threshold Cycling.
Dual-Sided SPD Accuracy
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Favero Assioma Pro MX-2 Power Meter Pedals
$759.00
Β±1% real-world power accuracy, seamless Bluetooth/ANT+ connectivity, and full rock strike durability designed specifically for gravel epics.
Backcountry Safety
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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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