Monumental Mayhem AMBCS XC Race (2026) | Course Elevation & Registration
mtb ✓ Verified Active Listing

Monumental Mayhem AMBCS XC Race

📅 Jun 21, 2026 📍 Rogers, AR
Official Registration Page ↗ 📅 Google Calendar 📥 Apple / Outlook (.ics)

⚡ Dial in Your Target Wattage & Pacing for Monumental Mayhem AMBCS XC Race

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.

Calculate Target Wattage ⚡

🧬 Course DNA & Technical Intel

📏 Primary Distance
24 mi
🛞 Recommended Tire
2.2" – 2.4" XC Tubeless
🚴 Discipline
mtb

🏁 Course Distance Options

Cat 1 Male 15-18
📏 24 mi
Cat 1 Male 19-29
📏 24 mi
Cat 1 Male 30-39
📏 24 mi
Cat 1 Male 40-49
📏 24 mi
Cat 1 Male 50-59
📏 24 mi
Cat 1 Male 60+
📏 24 mi
Cat 1 Female 15-29
📏 15 mi
Cat 1 Female 30-39
📏 15 mi
Cat 1 Female 40+
📏 15 mi
Cat 2 Male 15-18
📏 15 mi
Cat 2 Male 19-29
📏 15 mi
Cat 2 Male 30-39
📏 15 mi
Cat 2 Male 40-49
📏 15 mi
Cat 2 Male 50-59
📏 15 mi
Cat 2 Male 60+
📏 15 mi
Cat 2 Female 15-29
📏 15 mi
Cat 2 Female 30-39
📏 15 mi
Cat 2 Female 40-49
📏 15 mi
Cat 2 Female 50+
📏 15 mi
Novice MTB (Cat 3) Male 15-18
📏 8 mi
Novice MTB (Cat 3) Male 19-29
📏 8 mi
Novice MTB (Cat 3) Male 30-39
📏 8 mi
Novice MTB (Cat 3) Male 40-49
📏 8 mi
Novice MTB (Cat 3) Male 50-59
📏 8 mi
Novice MTB (Cat 3) Male 60+
📏 8 mi
Novice MTB (Cat 3) Female 15-18
📏 8 mi
Novice MTB (Cat 3) Female 19-29
📏 8 mi
Novice MTB (Cat 3) Female 30-39
📏 8 mi
Novice MTB (Cat 3) Female 40-49
📏 8 mi
Novice MTB (Cat 3) Female 50-59
📏 8 mi
Novice MTB (Cat 3) Female 60+
📏 8 mi
First Timer Female
📏 6 mi
First Timer Male
📏 6 mi
E-Bike Female (Pedal Assist Only)
📏 15 mi
E-Bike Male (Pedal Assist Only)
📏 15 mi
Clydesdale (Riders must weigh >225lbs)
📏 8 mi
Single Speed Open
📏 15 mi
Novice MTB (Cat 3) Male 10 and under
📏 4 mi
Novice MTB (Cat 3) Male 11-12
📏 6 mi
Novice MTB (Cat 3) Male 13-14
📏 8 mi
Novice MTB (Cat 3) Female 10 and under
📏 4 mi
Novice MTB (Cat 3) Female 11-12
📏 6 mi
Novice MTB (Cat 3) Female 13-14
📏 8 mi

About Monumental Mayhem AMBCS XC Race

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

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