SummerFest 10k @ Iroquois Park, Louisville, KY, United States on 11 June 2022

Welcome to the first annual SummerFest 10k!! The race course will take you on a scenic loop throughout Iroquois Park. The start/finish line will be near the Iroquois Amphitheater, which will be an amazing venue for pre and post race entertainment. We’re bringing back the 70’s and 80’s vibes so be prepared to have a […]

VALENCIA Trail Race @ Private Trails & USDA Forest Service, Valencia, CA, United States on 26 March 2022

Southern California features a diverse range of nature and terrain, giving runners a wide variety of spectacular trails and running experiences. Located north of Los Angeles up against the California State park boundaries is Valencia, a suburban community that is surrounded by classic hills and mountains featuring awesome trails that must be experienced by runners […]

Hook or Crook @ , Blairmore, Alberta, Canada on 30 April 2022

By (almost) any means necessary.

Spring! It’s a time to get out and stretch your legs. Spring in the Rockies is a special time and Mother Nature can throw anything at you. It could be hot, or it could rain and snow. You’re guaranteed to be in snow at some point, especially at higher elevations. […]

Castle Alpine Trail Race @ Castle Mountain Resort, Pincher Creek, Alberta, Canada on 24 September 2022

Get into fall running mode and enjoy one of the most scenic racecourses you’ll ever get to see. The Castle area is a secluded gem of a place that everyone should make an effort to visit.

Castle Alpine Trail Race (let’s call it CAT, OK?) combines wide-open vistas, rugged single track, cross-country running, and so […]

Death Race @ , Grande Cache, Alberta, Canada on 30 July 2022

Since the start of the millennium, racers have come to the Canadian Rockies to cheat Death in one of the world’s toughest ultramarathons. The 125km course begins and ends on a 4200-foot plateau, passes over three mountain summits, and not only includes over 17,000 feet of elevation change but a major river crossing at the […]

Sinister 7 @ , Blairmore, Alberta, Canada on 09 July 2022

REVERSO! In 2022 we are running the course backwards! Sinister 7 Ultra may be the greatest challenge of your life. The 100-mile (161km) course will take you through the most rugged, remote and beautiful terrain in Alberta’s stunning Rocky Mountains. With over 6,600m of elevation gain across the course, this race will punish those who […]

Kelly’s Run Together Apart @ , Anywhere you like!, Anywhere you like!, United Kingdom on 30 April 2020

Daily exercise is currently being encouraged. It is good for you, but why not make it good for others too?

Whilst our main events are unable to take place, Kelly’s Run Together Apart means you can run wherever, whenever you like, and support local charities Challengers, Oakleaf, Cherry Trees UK & The Number Five Project […]

Only The Brave @ Elveden Estate, Norfolk, East England, United Kingdom on 29 March 2020

Deep in the heart of Thetford Forest, Norfolk sits Elveden Estate – the venue has a mixture of farmland, woodland areas and even includes a large reservoir. We will be making a most of the natural features within the estate as well as using obstacles relating back to EAAA. The course will be taking place […]

runnerDude 10 Mile and 10K @ RunnerDude Fitness, Greensboro, NC, United States on 05 April 2020

Five years running and The Challenge just keeps getting better! Come on out for a challenging 10 mile or 10 kilometer course. This USATF certified race is perfectly placed to be a great tune-up race before your spring half marathon or marathon.

2 hour TRAIL Run and 1 hour MINI TRAIL Run @ The Tilford Institute, Tilford Road, Tilford, Farnham, Surrey, Surrey, United Kingdom on 17 March 2019

2 hour Trail Run – £23, £27 OTD – Trail Run only, using a 1:25k waterproof map. Enter more than 2 weeks before and pay £20. Minimum age to take part is 8 accompanied or 16 unaccompanied. Canicross runners are most welcome – dogs go for free! The nature of Adventure Racing is that anyone […]

Tri-Adventure 2 hour and 4 hour Adventure Races @ The Tilford Institute, Tilford Road, Tilford, Farnham, Surrey, United Kingdom on 17 March 2019

2 hour Run and MTB Race – £25, £30 OTD – 2 hours, using a 1:25k waterproof map, plan your route and navigate to as many checkpoints as possible within the time. Starting on foot, there will be one transition to Mountain Bikes. Enter more than 2 weeks before and pay £22. Minimum age to […]

Prove It 5K and 10K @ GM Milford Proving Ground, Milford, Michigan, United States on 08 September 2019

Prove It 5K and 10K! You heard right! Not only will there be our usual 5K this year, but we are also adding a 10K

Think you’ve got the fastest 5k or 10K around? Put your money where your mouth is and come race on the test track at the World Famous GM Milford Proving […]

Sour Grapes Half and Half Trail Run @ Northland Arboretum, Brainerd, MN, United States on 08 June 2019

Join us for the Eighteenth (and final) Sour Grapes Races held in the beautiful 540 acre Northland Arboretum on Saturday June 8th. The trail course is challenging, but beautiful. Your hard work will be rewarded with a T-shirt, finisher token and post race refreshments. Our unique setting makes this a family favorite. All proceeds are […]

ARCHIVED RACE: Shere 4 hour Navigation Based Trail Run & MTB Event @ Shere Village Hall, Gomshall Lane, Shere, Guildford, Surrey, United Kingdom on 06 January 2019

4 hour Run and MTB Event £40, £45 OTD – 4 hours, using a 1:25k waterproof map, plan your route and navigate to as many checkpoints as possible within the time. Starting on foot, there will be one transition to Mountain Bikes. Enter more than 2 weeks before and pay £35. The nature of Adventure […]

ARCHIVED RACE: Shere 2 hour Navigation Based Trail Run & MTB Event @ Shere Village Hall, Gomshall Lane, Shere, Guildford, Surrey, United Kingdom on 06 January 2019

2 hour Run and MTB Event – £25, £30 OTD – 2 hours, using a 1:25k waterproof map, plan your route and navigate to as many checkpoints as possible within the time. Starting on foot, there will be one transition to Mountain Bikes. Enter more than 2 weeks before and pay £22. Minimum age to […]

ARCHIVED RACE: Mickleham 4 hour Navigation Based Trail Run & MTB Event @ Mickleham Village Hall, Dell Close, Mickleham, Dorking, Surrey, United Kingdom on 09 December 2018

4 hour Run and MTB Event £40, £45 OTD – 4 hours, using a 1:25k waterproof map, plan your route and navigate to as many checkpoints as possible within the time. Starting on foot, there will be one transition to Mountain Bikes. Enter more than 2 weeks before and pay £35. The nature of Adventure […]

ARCHIVED RACE: Surrey Hills Sprint Duathlon @ The Hurtwood Estate, off Radnor Road, Holmbury St Mary Car Park, Holmbury St Mary, Dorking, Surrey, United Kingdom on 16 September 2018

Off road duathlon in the beautiful surrounding of the Hurtwood in the Surrey Hills, offering challenging tracks and trails, including the famous Yoghurt Pots. Competitors will follow arrows guiding them through the woodland before returning to the event village to pick up their bikes from the transition area. They will then follow arrows round the […]

ARCHIVED RACE: Surrey Hills Full Duathlon @ The Hurtwood Estate, off Radnor Road, Holmbury St Mary Car Park, Holmbury St Mary, Dorking, Surrey, United Kingdom on 16 September 2018

Off road full duathlon in the beautiful surrounding of the Hurtwood in the Surrey Hills, offering challenging tracks and trails, including the famous Yoghurt Pots.

Competitors will follow arrows guiding them through the woodland before returning to the event village to pick up their bikes from the transition area. They will then follow arrows round […]

ARCHIVED RACE: Canterbury 4 hour Trail Run & MTB Event @ Tyler Hill Memorial Hall, Summer Lane, Tyler Hill, Canterbury, Kent, United Kingdom on 25 November 2018

4 hour Run and MTB Event £40, £45 OTD – 4 hours, using a 1:25k waterproof map, plan your route and navigate to as many checkpoints as possible within the time. Starting on foot, there will be one transition to Mountain Bikes. Enter more than 2 weeks before and pay £35. The nature of Adventure […]

ARCHIVED RACE: 4 Hour Navigation Based Trail Run & MTB Event @ The Tilford Institute, Tilford Road, Tilford, Farnham, Surrey, United Kingdom on 14 October 2018

4 hour Run and MTB Event £40, £45 OTD – 4 hours, using a 1:25k waterproof map, plan your route and navigate to as many checkpoints as possible within the time. Starting on foot, there will be one transition to Mountain Bikes. Enter more than 2 weeks before and pay £35. The nature of Adventure […]

ARCHIVED RACE: The Hurtleberry Challenge @ The Hurtwood Estate, Holmbury St Mary, Dorking, Surrey, United Kingdom on 16 September 2018

The Hurtleberry

Off-Road Duathlons, MTB only, and 10km Trail Run (including Canicross category), raising funds for Friends of the Hurtwood. Trail Run (£22.00; £27.00 on the day) 10k – This signed woodland run will follow the same route as the first part of the Full Duathlon. Canicross (£22.00; £27.00 on the day) 10k run with […]

ARCHIVED RACE: Rockink Trail Marathon and 50 mile races @ Kanopolis State Park, Marquette, KS, United States on 07 April 2018

20th Annual Rockink Trail runs in the scenic trails at Kanopolis state park. Varied terrain single track, rolling grassy hills, rocky climbs, deer trails numerous water crossings. Great aid stations, pre-race and post race food.

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ARCHIVED RACE: HarryMan Triathlon @ Lake Welch Beach, Harriman State Park, Stony Point, New York, United States on 19 May 2018

HarryMan Triathlon

Lake Welch at New York’s Harriman State Park serves as the backdrop for this early season race. Only 30 miles from New York City, Harriman State Park’s scenic beauty and hilly terrain will make you feel like you’re in the Adirondacks. This race is limited to a combined field of 500 total participants, so register […]

ARCHIVED RACE: VALENCIA Trail Race @ Private Lands & USDA Forest Service, Valencia, CA, United States on 31 March 2018

VALENCIA Trail Race

The VALENCIA Trail Race brings you awesome trails and killer hills in a very challenging trail race experience, choose to run a 10 kilometer, half marathon, or 50k ultra distance. Experience a trail course that takes you up to the peaks and along the ridgelines with panoramic views, then into the canyons through the hills […]

ARCHIVED RACE: Grit OCR @ East Walker Ranch Open Space, Santa Clarita, CA, United States on 17 February 2018

Grit OCR

Prepare to experience a new obstacle course race (OCR) that digs deep and challenges you to push yourself to new levels of physical endurance and strength fitness. Located in the spectacular mountains north of Los Angeles in Santa Clarita, California. Featuring amazing trails, punishing obstacles, killer hills, and epic panoramic views and an awesome race […]