Hart Hills (13, 25, 35 & 55 miles) (2026) | Course Elevation & Registration
gravel ✓ Verified Active Listing

Hart Hills (13, 25, 35 & 55 miles)

📅 May 9, 2026 📍 Hart, MI
Official Registration Page ↗ Official Event Website ↗ 📅 Google Calendar 📥 Apple / Outlook (.ics)

⚡ Dial in Your Target Wattage & Pacing for Hart Hills (13, 25, 35 & 55 miles)

Use Threshold Cycling's Cycling Pace & Wattage Calculator to calculate exact FTP percentages, nutrition requirements, and estimated completion times based on course elevation and distance.

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🧬 Course DNA & Technical Intel

📏 Primary Distance
55 mi
🛞 Recommended Tire
38mm – 42mm Tubeless
🚴 Discipline
gravel

🏁 Course Distance Options

Long course - 55 miles
📏 55 mi
Long course - 55 miles - Fat Bike (min 3.7 inch)
📏 55 mi
Long course - 55 miles - Single Speed
📏 55 mi
Long Course - 55 miles - Clydesdale (+220 lbs)
📏 55 mi
Long Course - 55 miles - Athena (+165 lbs)
📏 55 mi
Long course - 55 miles - Tandem
📏 55 mi
Mid Course - 35 miles
📏 35 mi
Mid Course - 35 miles - Fat Bike (min 3.7 inch)
📏 35 mi
Mid Course - 35 miles - Single Speed
📏 35 mi
Mid Course - 35 miles - Clydesdale (+220 lbs)
📏 35 mi
Mid Course - 35 miles - Athena (+165 lbs)
📏 35 mi
Mid Course - 35 miles - Tandem
📏 35 mi
Short Course - 25 miles
📏 25 mi
Short Course - 25 miles - Fat Bike (min 3.7 inch)
📏 25 mi
Short Course - 25 miles - Single Speed
📏 25 mi
Short Course - 25 mile - Clydesdale (+220 lbs)
📏 25 mi
Short Course - 25 mile - Athena (+165 lbs)
📏 25 mi
Short Course - 25 miles - Tandem
📏 25 mi
Mini Course - 13 miles
📏 13 mi
Mini Course - 13 mile - Fat Bike (min 3.7 inch)
📏 13 mi
Mini Course - 13 mile - Single Speed
📏 13 mi
Mini Course - 13 miles - Clydesdale (+220 lbs)
📏 13 mi
Mini Course - 13 miles - Athena (+165 lbs)
📏 13 mi
Mini Course - 13 miles - Tandem
📏 13 mi
Volunteer

About Hart Hills (13, 25, 35 & 55 miles)

Official registered gravel event in Hart, MI. Direct registration on BikeReg.
Are you the race director or promoter of this event? Claim this Event Listing ↗

⚙️ Recommended Pro Hardware for Hart Hills (13, 25, 35 & 55 miles)

Top-rated power meters, radar, and GPS computers curated by Threshold Cycling.

Dual-Sided SPD Accuracy

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.

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Backcountry Safety

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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