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Up and Under Trail Running

Welcome to the Trail and Ultra Running section of our website. Up and Under in Cardiff has been supplying fell running specific footwear for years, but has expanded into the wide ranging and glorious world of trail running in the past 10 years. We have a close working relationship with a number of trail and ultra race organizers in the area, most notably Run Walk Crawl, Ridge Runners and Up Hill Down Dale and have therefore expanded our range to cover Ultra Running products that can help you race on all terrains, through day and night, for 4 seasons of the year.

A lot of our core clothing ranges and equipment such as headtorches, first aid kits, whistles, etc. are equally appropriate for trail-running so don't forget to take a look around those sections or use our search if what you need isn't immediately obvious within this part of our catalogue.

Trail running sale

We select the best trailshoes, packs, poles, vests, torches and clothing from baselayer through socks, shorts, tights and insulation to windproof and waterproof shell, hats and gloves and we have what you need for all your fell and trail-running needs, all carefully selected by our staff with insights from Run, Walk Crawl to suit you. It's all from the best brands, but see the quick links below to rapidly access some of our most popular. It's also worth having a browse outside of running through our Odlo range for extra warm quick drying, high wicking, lightweight base and midlayer clothing and everything beyond.

Inov8InjinjiLa SportivaMontaneOriginal Mountain MarathonUltimate DirectionVJ-Sport
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OMM Ltd Ultra Flexi Cup

95085

The OMM Ltd Ultra Flexi Cup is a flexible folding cup that's been designed for drinking on-the-go and at camp. Made with durable thermoplastic which allows for easy storage and compression, whilst its shaped lip allows for easy filling and drinking.

£8.00 £7.13

OMM Ltd Classic 32

95084

The OMM Ltd Classic 32 is a spacious running pack crafted for long-distance training, races, and tough terrains. Its lightweight yet durable design, paired with innovative features, makes it versatile enough for short-haul flights or climbing a Munro. However, its true element is the Mountain Marathon start line. Suitable for both 450-mile solo expeditions and daily training, the Classic pack offers multiple attachment points for your gear. For multi-day ultra racing, add the Chest Pod and front bottle holders.

£120.00 £106.92

OMM Ltd Poles Pod

From £26.72

Darn Tough Men's Run No Show Tab Ultra-Lightweight Running Sock

The Darn Tough Men's Run No Show Tab Ultra-Lightweight Running Socks offer a silky, chafe-free cuff, high-performance flex zones, and a supportive fit. Crafted with ultra-lightweight, moisture-wicking Merino wool, these socks are perfect for all-day wear and marathon distances.

From £17.82

Darn Tough Men's Run No Show Tab No Cushion Ultra-Lightweight Running Sock

The Darn Tough Men's Run No Show Tab No Cushion Ultra-Lightweight Running Socks feature a streamlined design with a silky finish and chafe-eliminating cuffs. Constructed with ultra-lightweight, moisture-wicking Merino wool and high-performance flex zones for a supportive fit, these socks provide all-day comfort, helping you go the extra mile.

From £13.00

Inov8 Waterproof OverMitts

The Inov8 Waterproof OverMitts

From £17.65

INOV8 Performance Long Sleeve T-Shirt Men's

The INOV8 Performance Long Sleeve T-Shirt for men is a super-lightweight, quick-drying running top that excels on its own or as a layering piece in colder weather. It's streamlined fit and technical stretch fabric provide full freedom of movement, making it ideal for running. The moisture-wicking properties ensure you stay cool and comfortable during fast-paced sessions and races. On colder days, the integrated thumb loops can be pulled over your hands or gloves for extra warmth.

From £35.30

INOV8 Performance Long Sleeve T-Shirt Women's

The INOV8 Performance Long Sleeve T-Shirt Women's is an ultra-lightweight and quick-drying running top, perfect for wearing alone or as part of a layering system in colder weather. It features a streamlined fit and is crafted from technical stretch fabric, allowing for full freedom of movement during runs. Its moisture-wicking properties help keep you cool and comfortable during intense sessions and races. For added warmth on colder days, the integrated thumb loops can be pulled over your hands or gloves.

From £30.89

INOV8 MudTalon Men's

The INOV8 MudTalon Men's trail and fell running shoes offer exceptional grip on all terrains, from muddy hills to wet and rocky mountains. Featuring 8mm talon-like studs, these shoes excel in soft mud and cling to wet rocks for reliable traction. The wide-fit version provides extra toe room for added comfort during long runs, where toes may swell. A secure fit is achieved with a Met-Cradle, which locks in the heel, and thick overlay strips that connect the midfoot to the heel. Underfoot, a flexible Rock-Plate protects against sharp rocks and tree roots.

From £106.44

INOV8 Softflask 0.5 with 10 Tube

94947

The INOV8 Softflask 0.5 with 10 Tube is a highly versatile compressible flask that's been designed to hold up to 500ml of water or gels. You simply squeeze the bottle to drink its contents, this will also remove any air to reduce bounce. The Softflask features a sleek, lightweight design

£20.00 £17.65

INOV8 Performance Short Sleeve T-Shirt Women's

The INOV8 Performance Short Sleeve T-Shirt Women's is a lightweight and breathable running top designed for speed on the trails. Crafted with a quick-drying fabric, this top features a streamlined silhouette that ensures a close and comfortable fit, allowing you to push the pace effortlessly. The stretch fabric provides full range of motion, perfect for pumping your arms during intervals, hill climbs, or sprint finishes. Built to last, this top also includes an antimicrobial treatment for long-lasting odour resistance, making it a durable and reliable choice for years to come.

From £30.89

INOV8 Performance Short Sleeve T-Shirt Men's

The INOV8 Performance Short Sleeve T-Shirt Men's is a lightweight and breathable running top designed for speed on the trails. Its quick-drying fabric and streamlined silhouette offer a close, comfortable fit that encourages pushing the pace. The stretch fabric allows full range of motion for dynamic movements like intervals, hill climbs, or sprint finishes. Built to last, this performance tee also features an antimicrobial treatment for long-lasting odour resistance, ensuring durability and freshness over time.

From £30.89

INOV8 TrailFly Women's

The INOV8 TrailFly Women's are a great shoe for everyday training and longer trail races across hard, rocky ground. Featuring a brand new anatomical shape, the Trailfly hugs the natural contours of your foot, locking in at the heel and widening at the toes for a secure and comfortable feel. They feature 4mm rubber studs that are perfect for gripping onto rock and hard-packed dry ground. A flexible Meta-Shank rock plate protects you from painful sharp rocks and tree roots underfoot, allowing you to move confidently over the most challenging of terrains. Ideal for summer and dry weather trail running, the Trailfly is a comfortable everyday training shoe that you won't want to take off.

From £115.30

INOV8 TrailFly Men's

The INOV8 TrailFly Men's are a great shoe for everyday training and longer trail races across hard, rocky ground. Featuring a brand new anatomical shape, the Trailfly hugs the natural contours of your foot, locking in at the heel and widening at the toes for a secure and comfortable feel. They feature 4mm rubber studs that are perfect for gripping onto rock and hard-packed dry ground. A flexible Meta-Shank rock plate protects you from painful sharp rocks and tree roots underfoot, allowing you to move confidently over the most challenging of terrains. Ideal for summer and dry weather trail running, the TRAILFLY is a comfortable everyday training shoe that you won't want to take off.

From £115.30

INOV8 Racepac 20

The INOV8 Racepac 20 has been designed for enduring comfort on extended trail outings. With a capacity of 20 liters, it accommodates fluids, gear, and nutrition with its 11 pockets—ideal for multi-day adventures and long-distance runs. Ultra-runner Jack Scott relied on this pack during the 2024 Spine Race, where he set a new course record, besting the previous time by 10 hours. Sustainability is a core feature of all Inov8 packs, including the Racepac 20, which incorporates recycled materials and is engineered for longevity and easy repair. It's a reliable companion built to last through years of use.

From £70.61