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      Savage Race
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      The 5K Foam Fest
      Average rating: 4.76 / 5 from 1898 reviews.
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      Average rating: 4.83 / 5 from 327 reviews.
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      Average rating: 2.8 / 5 from 203 reviews.
      
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      Frontline OCR
      Average rating: 5 / 5 from 16 reviews.
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      Big Nasty Mud Run
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Mon 15
Races on Monday, Jul 15
Race discount More info

New Jersey Rugged Maniac 2019
Raceway Park, Englishtown, NJ, United States
Save $5 on your Rugged Maniac with code MRG19 Learn More

Slinger Wisconsin Alpine Adventure Challenge 2019
Little Switzerland, Slinger, WI, United States
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Ottawa Ontario Canada The 5K Foam Fest 2019
Commando Paintball, Ottawa, Ontario, Canada
Save $5 on your The 5K Foam Fest with code MRG5 Learn More

Ohio Warrior Dash 2019
Clay's Park Resort, N. Lawrence, OH, United States
Save $5 on your Warrior Dash with code MRGWD719 Learn More

Indiana Spartan Race Spartan Sprint 2019
Perfect North Slopes, Lawrenceburg, IN, United States
Save 10% on your Spartan Race with code MRG10 Learn More

Utah Spartan Race Spartan Super 2019
Snowbasin Resort, Huntsville, UT, United States
Save 10% on your Spartan Race with code MRG10 Learn More

Long Island New York Tough Mudder Classic & 5K 2019
Old Bethpage Village Restoration, Old Bethpage, NY, United States
Save 25% on your Tough Mudder with code MRG2019 Learn More

Washington DC BoneFrog Challenge 2019
Wicomico Motorsports Park, Charlotte Hall, MD, United States
Save $5 on your BoneFrog Challenge with code MRG5 Learn More

Southampton United Kingdom Gung-Ho! 2019
Southampton Common, Southampton, United Kingdom
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Erie Pennsylvania OCR Battlegrounds Xtreme 2019
Erie's OCR Battlegrounds, Erie, PA, United States
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Mishawaka Indiana Marine Mud Run 2019
Marian High School, Mishawaka, IN, United States
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Chicago Illinois Mud Factor 2019
Joliet MX, Wilmington, IL, United States
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New Jersey MuckFest 2019
Zarephath Christian Church, Somerset, NJ, United States
Save $5 on your MuckFest with code MUDRUNGUIDE Learn More

Dade City Florida Mud Endeavor Under the Lights 2019
Pasco County Fairgrounds, Dade City, FL, United States
Save $5 on your Mud Endeavor with code MRGU19 Learn More

Eagle Idaho Tater Dash Mud Run 2019
Twin Oaks Farms, Eagle, ID, United States
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Dudley United Kingdom Ultm8 Warrior 2019
Dudley Kingswinford Rugby, Wall Heath, Kingswinford, United Kingdom
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County Durham United Kingdom Rough Runner 2019
Lambton Castle, Durham, United Kingdom
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Ireland Tough Mudder 2019
Loughcrew Adventure Centre, Oldcastle, Meath, Ireland
Save 25% on your Tough Mudder with code MRG2019 Learn More

Cambridge Minnesota Rough ‘N Tough Against Hunger 2019
New Hope Community Church, Cambridge, MN, United States
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Crawley United Kingdom Tribal Waters 2019
Tilgate Park, Crawley, United Kingdom
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Dnipro Ukraine Race Nation 2019
TBA Dnipro, Dnipro, Ukraine
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Auburn Maine Kids Adventure Games 2019
Lost Valley Resort, Auburn, ME, United States
Save $10 on your Kids Adventure Games with code MRG2019 Learn More

Litchfield Illinois Big Dawg Dare 2019
Wolff Farm, Litchfield, IL, United States
Save $5 on your Big Dog Brag with code MRG5 Learn More

Frankenmuth Michigan FrankenMudder 2019
Michigan's Military and Space Heroes Museum, Frankenmuth, MI, United States
Save $5 on your FrankenMudder with code 20MudRunGuide16 Learn More

Cumberland Rhode Island Fall F.I.T. Challenge XIII 2019
Diamond Hill Park, Cumberland, RI, United States
Save 10% on your FIT Challenge with code mudrunfit Learn More

Pembrey United Kingdom Invncbl 2019
Pembrey Country Park, Pembrey, United Kingdom
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Hastings Minneapolis Kids Obstacle Challenge 2019
Afton Alps, South Hastings, MN, United States
Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE19 Learn More

Exeter Rhode Island BoldrDash Color Me Bold 2019
Camp Canonicus, Exeter, RI, United States
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New Jersey Rugged Maniac 2019
Raceway Park, Englishtown, NJ, United States
Save $5 on your Rugged Maniac with code MRG19 Learn More

Utah Spartan Race Spartan Sprint 2019
Snowbasin Resort, Huntsville, UT, United States
Save 10% on your Spartan Race with code MRG10 Learn More

Long Island New York Tough Mudder Classic & 5K 2019
Old Bethpage Village Restoration, Old Bethpage, NY, United States
Save 25% on your Tough Mudder with code MRG2019 Learn More

Hillsboro Oregon Whine on the Vine Adventure Run 2019
J Albin Winery, Hillsboro, OR, United States
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London United Kingdom Pretty Muddy Race for Life Finsbury 2019
Finsbury Park, London, United Kingdom
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Detroit Michigan Muddy Princess 2019
Baja Acres, Millington, MI, United States
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County Durham United Kingdom Rough Runner 2019
Lambton Castle, Durham, United Kingdom
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Coal Valley Illinois Case Creek Obstacles Kids Ninja Adventure Run 2019
Case Creek, Coal Valley, IL, United States
Save $5 on your Case Creek Obstacle Mud Run with code MRGCCO Learn More

Ireland Tough Mudder 2019
Loughcrew Adventure Centre, Oldcastle, Meath, Ireland
Save 25% on your Tough Mudder with code MRG2019 Learn More

Adelanto California High Desert Mud Run 2019
Adelanto Stadium, Adelanto, CA, United States
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Shizuoka Prefecture Japan Camp Fuji Samurai Run 2019
Camp Fuji, Gotenba, Shizuoka Prefecture, Japan
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Chicago Illinois Savage Race 2019
Richardson Adventure Farm, Spring Grove, IL, United States
Save $5 on your Savage Race with code MRG5 Learn More

Calgary Canada Rugged Maniac 2019
Spruce Meadows, Calgary, Alberta, Canada
Save $5 on your Rugged Maniac with code MRG19 Learn More

Michigan Warrior Dash 2019
E.A. Cummings Center, Mt. Morris, MI, United States
Save $5 on your Warrior Dash with code MRGWD719 Learn More

Manitoba Canada Mud Hero 2019
Grunthal Motocross Recreation Centre, Grunthal, Manitoba, Canada
Save $5 on your Mud Hero with code MRG19 Learn More

Manitoba Canada Mud Hero Ultra 10K 2019
Grunthal Motocross Recreation Centre, Grunthal, Manitoba, Canada
Save $5 on your Mud Hero with code MRG19 Learn More

Toronto Ontario Canada The 5K Foam Fest 2019
Dagmar Ski Resort, Uxbridge, Ontario, Canada
Save $5 on your The 5K Foam Fest with code MRG5 Learn More

Asheville North Carolina Spartan Race Spartan Super 2019
Grove Stone & Sand Company, Black Mountain, NC, United States
Save 10% on your Spartan Race with code MRG10 Learn More

Spokane Washington Mud Factor 2019
Airway MX Park, Airway Heights, WA, United States
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Stowe Vermont Kids Adventure Games 2019
Trapp Family Lodge, Stowe, VT, United States
Save $10 on your Kids Adventure Games with code MRG2019 Learn More

Williston Florida Nature Ninja 5K Eco Friendly Adventure Race 2019
Cedar Lakes Woods & Gardens, Williston, FL, United States
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London United Kingdom Pretty Muddy Race for Life Queen Elizabeth 2019
Queen Elizabeth Olympic Park, London, United Kingdom
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Denver Colorado Kids Obstacle Challenge 2019
Apex Center, Arvada, CO, United States
Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE19 Learn More

Columbus Ohio Mud Ninja 2019
J.L. Parker Farm, South Salem, OH, United States
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Westport Massachusetts Best of the Brew Beach and Brew Run 2019
Buzzards Bay Brewery, Westport, MA, United States
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New Brunswick Canada Tuff Muck Challenge 2019
Waterfront Park Perth-Andover, Perth-Andover, New Brunswick, Canada
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Alberta Canada Muddy Warrior 2019
TBA Alberta, Alberta, Canada
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McCleary Washington The Dirty Dash South Sound 2019
Grays Harbor ORV, McCleary, WA, United States
Save $10 on your The Dirty Dash with code MRG2019 Learn More

Greenville New York Sunny Hill Viking Obstacle Race Ultra Viking 8HR / 10k 2019
Sunny Hill Resort & Golf Course, Greenville, NY, United States
Save 10% on your Viking Obstacle Race with code VIKINGMRG Learn More

Eagle River Wisconsin Mud Sweat and Cheers 2019
World Championship Derby Track, Eagle River, WI, United States
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Chicago Illinois Savage Race Savage Blitz 2019
Richardson Adventure Farm, Spring Grove, IL, United States
Save $5 on your Savage Race with code MRG5 Learn More

Asheville North Carolina Spartan Race Spartan Sprint 2019
Grove Stone & Sand Company, Black Mountain, NC, United States
Save 10% on your Spartan Race with code MRG10 Learn More

Tri-Cities Washington Mud Factor 2019
Horn Rapids Motorsports Complex, Richland, WA, United States
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Denver Colorado Kids Obstacle Challenge 2019
Apex Center, Arvada, CO, United States
Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE19 Learn More

Minneapolis Minnesota Muddy Princess 2019
Spring Creek Motocross, Millville, MN, United States
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Stamford Connecticut City Challenge Race Summer 2019
Downtown Stamford, Stamford, CT, United States
Save 10% on your City Challenge Obstacle Race with code MRG10 Learn More

New York Terrain Race Mud Run 2019
Wurtsboro Airport, Wurtsboro, NY, United States
Save $5 on your Terrain Racing with code MUDRUN5 Learn More

Pennsylvania Rugged Maniac 2019
Maple Grove Raceway, Mohnton, PA, United States
Save $5 on your Rugged Maniac with code MRG19 Learn More

Colorado Rockies Spartan Race Spartan Ultra Beast 2019
Snowmass, Snowmass Village, CO, United States
Save 10% on your Spartan Race with code MRG10 Learn More

Colorado Rockies Spartan Race Spartan Beast 2019
Snowmass, Snowmass Village, CO, United States
Save 10% on your Spartan Race with code MRG10 Learn More

United Kingdom Rat Race Girls Get Fizzical Women Only 2019
Catton Hall, Catton, South Derbyshire, United Kingdom
Learn More

Indiana Tough Mudder Classic & 5K 2019
CERAland Park, Columbus, IN, United States
Save 25% on your Tough Mudder with code MRG2019 Learn More

Balmedie United Kingdom Beach Ballistic OCR 2019
Balmedie Beach, Balmedie, United Kingdom
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Los Angeles California Spartan Race Spartan Stadium Sprint Stadion 2019
Angel Stadium, Anaheim, CA, United States
Save 10% on your Spartan Race with code MRG10 Learn More

Coal Valley Illinois Case Creek Obstacle Race 5K 2019
Case Creek, Coal Valley, IL, United States
Save $5 on your Case Creek Obstacle Mud Run with code MRGCCO Learn More

Worcester Massachusetts Woo Challenge 2019
Worcester Common, Worcester, MA, United States
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Albany Oregon The Dirty Dash 2019
Albany Motorsports, Albany, OR, United States
Save $10 on your The Dirty Dash with code MRG2019 Learn More

Dayton Virginia Dayton Muddler 2019
College Street Pavillion Dayton, Dayton, OH, United States
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Greenville Ohio Gauntlet Trail Run 2019
Chenoweth Trails, Greenville, OH, United States
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Doune Scotland The Lanrick Challenge 2019
Lanrick Estate, Doune, Perthshire, United Kingdom
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West Columbia Texas Grit Games 2019
Grit Fitness, West Columbia, TX, United States
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Colorado Rockies Spartan Race Spartan Sprint 2019
Snowmass, Snowmass Village, CO, United States
Save 10% on your Spartan Race with code MRG10 Learn More

Indiana Tough Mudder Classic & 5K 2019
CERAland Park, Columbus, IN, United States
Save 25% on your Tough Mudder with code MRG2019 Learn More

Balmedie United Kingdom Beach Ballistic OCR 2019
Balmedie Beach, Balmedie, United Kingdom
Learn More

Seattle Washington Terrain Race Mud Run 2019
Evergreen Speedway, Monroe, WA, United States
Save $5 on your Terrain Racing with code MUDRUN5 Learn More

Wildwood New Jersey Your First Mud Run 2019
Morey's Piers, Morey's Piers, NJ, United States
Save $5 on your Your First Mud Run with code MRG19 Learn More

Stratton Vermont NorAm North American OCR Championships Short Course 2019
Stratton Mountain Resort, Stratton Mountain, VT, United States
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Fort Drum New York Mountain Mudder Fort Drum BOSS 2019
Monti Physical Fitness Center, Fort Drum, NY, United States
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Stratton Vermont NorAm North American OCR Championships Standard Distance 2019
Stratton Mountain Resort, Stratton Mountain, VT, United States
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Maryland Warrior Dash 2019
High Point Farm, Clarksburg, MD, United States
Save $5 on your Warrior Dash with code MRGWD719 Learn More

Denver Colorado Rugged Maniac 2019
Thunder Valley Motocross, Lakewood, CO, United States
Save $5 on your Rugged Maniac with code MRG19 Learn More

Boston Massachusetts Spartan Race Spartan Super 2019
508 International, Charlton, MA, United States
Save 10% on your Spartan Race with code MRG10 Learn More

Portland Oregon Spartan Race Spartan Sprint 2019
Washougal MX Park, Washougal, WA, United States
Save 10% on your Spartan Race with code MRG10 Learn More

North Yorkshire United Kingdom Rat Race Survival of the Fittest Yorkshire 2019
Newburgh Priory Estate, Coxwold, York, United Kingdom
Learn More

Wasaga Beach Canada The 5K Foam Fest 2019
Wasaga Beach, Wasaga Beach, Ontario, Canada
Save $5 on your The 5K Foam Fest with code MRG5 Learn More

Portland Oregon Terrain Race Mud Run 2019
Sherwood Forest, Sherwood, OR, United States
Save $5 on your Terrain Racing with code MUDRUN5 Learn More

Birmingham Alabama Mud Factor 2019
MillCreek Mx Park, Pell City, AL, United States
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Colorado Tough Mudder Classic & 5K 2019
Sterling Ranch, Littleton, CO, United States
Save 25% on your Tough Mudder with code MRG2019 Learn More

Vail Colorado Kids Adventure Games 2019
Vail Mountain, Vail, CO, United States
Save $10 on your Kids Adventure Games with code MRG2019 Learn More

Huntington Beach California Epic Series Obstacle Challenge 2019
Huntington Beach Sports Complex, Huntington Beach, CA, United States
Save 10% on your EPIC Series with code MRG10 Learn More

San Mateo Bay Area California Kids Obstacle Challenge 2019
Coyote Point Recreation Area, San Mateo, CA, United States
Save 10% on your Kids Obstacle Challenge with code MUDRUNGUIDE19 Learn More

Camberley United Kingdom BRUTAL Run Windmill Hill 2019
TBA Windmill Hill, Windmill Hill, United Kingdom
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Mud Run Guide

Welcome to Mud Run Guide - the worldwide leader in mud runs, obstacle course races, and outdoor running adventures. Established in 2012, our focus is to provide you with the best events, discounts, news, reviews, gear, and training for the sport of OCR.