Running
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.
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.
Leki Ultratrail FX.One SL
The Leki Ultratrail FX.One Superlite trail running poles are ultralight carbon folding poles designed for competitive trail and ultra running. Featuring the Trail Shark system, push-button folding design and carbide trail running tips, they deliver precise control and fast deployment on steep mountain terrain.
Bridgedale Trail Run Ultralight T2 Merino Sport Low Women's
The Bridgedale Trail Run Ultralight T2 Merino Sport Low Women's have been esigned for women who push their limits, combining high-wicking, breathable materials with a precise fit for unmatched comfort and performance. Featuring T2 targeted micro cushioning for impact protection and enhanced ventilation, they keep your feet cool and comfortable on the toughest trails. Perfect for tackling rugged terrain or racing through challenging courses, these socks offer the ideal blend of durability, comfort and protection.
Bridgedale Trail Run Ultralight T2 Merino Sport Low Men's
The Bridgedale Trail Run Ultralight T2 Merino Sport Low Men's are an ultralight, low-cut sock that have been designed for trail running. They're high-wicking and breathable for optimal levels of comfort, making them great for serious runners and those who like to explore the world at a faster pace. They feature T2 targeted micro cushioning combined with extra ventilation for the perfect balance of protection and comfort on the toughest terrain.
Darn Tough Men's Run Quarter Cushioned Ultra-Lightweight Running Socks
The Darn Tough Men’s Run Quarter Cushioned Ultra-Lightweight Running Socks deliver blister-free comfort with a seamless performance fit and Merino wool moisture control. Featuring soft underfoot cushioning and a low-profile, ultra-light knit, they’re ideal for road and trail running. Made in Vermont and backed by a lifetime guarantee, they’re built to provide miles of reliable performance.
Darn Tough Men's Pacer Micro Crew Ultra-Lightweight Running Socks
The Darn Tough Men’s Pacer Micro Crew Ultra-Lightweight Running Socks deliver blister-free comfort with a seamless performance fit and Merino wool moisture control. Featuring debris-blocking micro crew height and soft underfoot cushioning, they’re ideal for trail running and long-distance training. Made in Vermont and backed by a lifetime guarantee, they’re built for durability and all-day performance.
Black Diamond Distance Carbon Z FKT Poles
The Black Diamond Distance Carbon Z FKT Poles are ultralight carbon running poles built for speed and efficiency in the mountains. Featuring a magnetic quick-connect glove strap and fast-deploy Z-pole construction, they deliver seamless transitions during races and long runs. With carbon shafts and extended EVA grips, they provide efficient power transfer on technical terrain. Ideal for trail runners and mountain athletes chasing fast times.
Deuter Ascender 13
The Deuter Ascender 13 is an ultra-light 13L trail running backpack with a vest-style, body-hugging fit for stable, zero-bounce performance. Featuring quick-access pole storage, soft flask compatibility and a 3L hydration sleeve, it’s built for fast mountain running. Made from 100% recycled, bluesign®-certified fabrics and weighing just 340g, it’s ideal for technical terrain and race days.
Deuter Ascender 7
The Deuter Ascender 7 is a lightweight trail running backpack designed for stability and comfort on fast-paced routes. Its vest-style fit ensures a secure and bounce-free feel, even on technical terrains. With space for soft flasks and a 2L hydration system, it keeps you fuelled on the move. Quick-access storage and pole carry options make it ideal for race days and longer runs. Built from recycled materials, it combines performance with sustainability.
Altra Women's Experience Wild 3+
The Altra Women's Experience Wild 3+ is a lightweight and grippy trail shoe built for runners looking for natural movement and confidence across mixed terrains. With a Vibram® Megagrip outsole for dependable traction, a responsive Altra EGO™ P35 midsole, and Altra’s signature roomy toe box, it keeps you comfortable and in control mile after mile. The low 4mm drop and rocker geometry promote an efficient toe-off and smooth transitions, making it a strong choice for trail runs and fast-paced hikes.
Altra Men's Experience Wild 3+
The Altra Experience Wild 3+ is a lightweight and grippy trail shoe built for runners looking for natural movement and confidence across mixed terrains. With a Vibram® Megagrip outsole for dependable traction, a responsive Altra EGO™ P35 midsole, and Altra’s signature roomy toe box, it keeps you comfortable and in control mile after mile. The low 4mm drop and rocker geometry promote an efficient toe-off and smooth transitions, making it a strong choice for trail runs and fast-paced hikes.
INOV8 Airlite Pro Short Men's
The INOV8 Airlite Pro Short Men’s is a super lightweight 5 inch running short designed for long, hard runs. Made with Polartec® Power Dry® fabric, it delivers excellent moisture wicking, quick drying performance, and odour resistance. Featuring secure storage and reflective details, it is ideal for summer trail and road running.
INOV8 TrailFly Max V2 Men's
The INOV8 TrailFly Max V2 Men’s is a highly cushioned trail running shoe designed for hard and rocky ground. Featuring Flyspeed Pro cushioning and a graphene infused outsole, it delivers comfort, durability, and excellent grip for long distances. Ideal for ultras, long trail runs, and hiking when your legs need extra protection. A NaturalFit design ensures comfort and stability mile after mile.
INOV8 MudTalon V2 Men's
The INOV8 MudTalon V2 Men’s is a cushioned trail running shoe built for long runs on muddy and challenging terrain. Featuring aggressive 8mm lugs and an upgraded Stickygrip™ outsole, it delivers exceptional traction in wet conditions. Responsive Powerflow Pro cushioning and a secure, supportive upper make it ideal for training and racing in the mud.
Altra Men's Timp 5
Trail running in the Altra Timp 5 is grippy and light. Ideal for daylong runs on trails where the grippy outsole gives you the confidence on techy terrain in both wet and dry conditions. The EGO™ MAX midsole foam compound is light and gives a luxurious ride with a little extra bounce and plenty of durability. Keeping you moving the way you were designed to, the Timp 5 has an Altra classic roomy toe box, zero drop, and a secure midfoot so you can run foreverrrrrrrrrr.
off RRP
Tailwind Recovery Mix 20 Serving Pouch
The Tailwind Recovery Mix (20 Serving Pouch) delivers fast, complete recovery with 20g of plant-based protein, balanced carbs, and electrolytes, all in a smooth and dairy-free drink. Designed for the crucial post-exercise “Golden Window,” it replenishes glycogen, rebuilds muscle, and rehydrates your body, simply mix with water and you're ready to go.
Fenix HP12R-T
The Fenix HP12R-T is a rugged, fully weatherproof headlamp featuring cool-white, neutral-white, and red beams for versatile outdoor use. With a maximum 1300-lumen output and 200m beam distance, it’s powered by a headband-mounted 4000 mAh rechargeable battery for perfect balance and comfort. Dual switches, USB-C charging, and IP66 weatherproofing make it a reliable choice for running, climbing, camping, or industrial work, wherever powerful light is essential.