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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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Bridgedale TRAIL RUN Lightweight T2 Merino Sport 3/4 Crew Men's

The Bridgedale TRAIL RUN Lightweight T2 Merino Sport 3/4 Crew Men's Socks have been built for for trail running, with targeted heel, ankle and ball of foot for impact protection. For serious runners who like to explore the worlds trails at a faster pace. The Trail Run Lightweight Merino Sport has T2 targeted micro-cushioning combined with ventilation for the perfect balance of protection and comfort on the toughest terrain.

From £16.18 inc. VAT

Bridgedale TRAIL RUN Lightweight T2 Merino Sport 3/4 Crew Women's

The Bridgedale TRAIL RUN Lightweight T2 Merino Sport 3/4 Crew Women's Socks are great for serious runners who like exploring the world's trails at a fast pace. They feature sport fusion technology which provides resilient padding, moisture wicking, odour control and outstanding durability on the trails. Their targeted cushioning combined with ventilation results in the perfect balance of protection and comfort across the toughest terrain.

From £16.18 inc. VAT

CEP Compression Arm Sleeves

The athletes insider tip for powerful, strong arm muscles even after long days of competition: CEP Compression Arm Sleeves! The medi compression technology activates the flow of blood in your arm muscles. This guarantees more power and faster recovery for your arms. The anatomical design of the arm sleeves ensures a wrinkle-free, stay-put fit. You can concentrate completely on sports without slipping sleeves!

From £31.44 inc. VAT

CEP Compression Forearm Sleeves

If you want your performance level to keep on climbing, the Forearm Sleeves are your perfect companion. They give you more power in your fingers by strengthening and supporting the finger muscles in your forearm. Targeted medi compression in the sleeves easily boosts your performance.

From £26.68 inc. VAT

CEP Reflective Calf Sleeves

CEP Reflective Calf Sleeves featuring Smart Reflective technology yarns guarantee all-round visibility. The proven medi compression reduces muscle vibrations and gives your calves deep stimulation.

From £31.18 inc. VAT

CEP Run Ultralight Socks

The CEP Run Ultralight Socks use their medi compression fit to enhance your performance by stabilising muscles, and aiding in recovery. The Ultralight sock is made of a thin material to give maximum breathability and keep you cooler in hotter temperatures. The sock has a close fitting to ensure it stays put minimising the risk of chafing and blisters.

From £34.99 inc. VAT

CEP Socks for Recovery

CEP have created a recovery sock to get you back to your peak performance quicker. The Medi Compression and Smart Infrared Yarns are targeted to improve your circulation, preventing sore muscles and quickening recovery time.

From £25.00 inc. VAT

Chia Charge Flapjack

The Chia Charge Flapjacks have been made to help you perform better whilst still tasting great. These bars are based around the use of chia seeds to supply you with energy and protein, for use for your regular exercise routine, training sessions or endurance events. Chia Charge bars don't shy from the use of brown sugar or golden syrup, as they understand the importance of carbs for endurance activities. They use basic kitchen cupboard ingredients to create great tasting sports nutrition snacks, to keep you performing well.

From £2.20 inc. VAT

Chia Charge Flapjack

The Chia Charge Flapjacks have been made to help you perform better whilst still tasting great. These bars are based around the use of chia seeds to supply you with energy and protein, for use for your regular exercise routine, training sessions or endurance events. Chia Charge bars don't shy from the use of brown sugar or golden syrup, as they understand the importance of carbs for endurance activities. They use basic kitchen cupboard ingredients to create great tasting sports nutrition snacks, to keep you performing well.

From £2.20 inc. VAT

Clif Bar Energy Bar

Clif Bar Energy Bars are made with wholesome ingredients that deliver energy when you need it most. Each bar contains vitamins B6 and B12 which contribute to the normal release of energy for use in the body, as well as being a great source of protein and fibre. Clif bars contain ingredients such as rolled oats, fruits and nuts to keep up with individuals and athletes with high energy demands. With a mix of carbohydrates, protein and fibre, these bars supply working muscles with the energy they need for extended periods of activity.

From £2.06 inc. VAT

Clif Bar Shot Bloks

These are chewable energy boost blocks that boost your caloric and electrolyte levels if on long, endurance runs, races or hikes. Easy to use on the move. 33 calories per cube, Clif Bar Shot Bloks are perfect for running and endurance athletes.

From £3.37 inc. VAT

Darn Tough Men's Run 1/4 Ultra-Lightweight

Take on everything from single track training to jeep road crushers in the smooth and ultra-lightweight fit of our redesigned ¼ running sock. Its added ankle coverage sports silky next-to-skin ribbing, with breathable flex zones in the forefoot and fatigue-zapping arch support.

From £17.82 inc. VAT

Darn Tough Men's Run No Show Tab Ultra Lightweight With Cushion

Get out the headband: it’s time to mop up with this ground-up redesign. Darn Tough's streamlined No Show Tab men’s running sock features a silky, chafe-eliminating cuff, high-performance flex zones and a supportive fit. Built with ultra-lightweight, wicking Merino Wool for all-day, marathon-mileage bids.

From £17.82 inc. VAT

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

Get out the headband: it’s time to mop up with this ground-up redesign. Darn Tough's streamlined No Show Tab men’s running sock features a silky, chafe-eliminating cuff, high-performance flex zones and a supportive fit. Built with ultra-lightweight, wicking Merino Wool for all-day, marathon-mileage bids.

From £16.93 inc. VAT

Darn Tough Women's Run Coolmax No Show Tab Ultra-Lightweight with Cushion

When summer temps say no, these socks say hell-to-the-yes. These ultra-lightweight no show Coolmax® running socks wick moisture and keep the air flowing for vegan-friendly feet, keeping you dry and cool and your strides blister-free.

From £16.93 inc. VAT

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

Slip on this ultra-lightweight no show Merino Wool sock for blister-blasting protection and sweat-wicking power that you don’t have to see to believe. Working hard behind the scenes, Darn Tough's most minimal running sock guards against dirt and stays put, so you can set your best pace – plain and simple.

From £15.92 inc. VAT