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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Naak

Ultra Energy Puree

The Naak Ultra Energy Puree has been made with organic certified and upcycled ingredients in a semi-liquid format, fuel your ultra with 200 calories per serving. Specifically formulated for ultra endurance activities and easier on the gut than energy gels & bars, these purees have a fresh taste and baby food texture that will keep your stomach happy during training and races.

From £4.00 inc. VAT

Naak

Ultra Energy Bar

The Naak Ultra Energy Bars have been inspired by ultra endurance athletes to provide long lasting energy to fuel your adventures, whether that's a long workout session or a race. They are made with non GMO ingredients, 7 grams of high-quality & sustainable proteins and they taste great! Available in a variety of different flavours, see below for more information.

From £3.00 inc. VAT

Highlander

Reflective Survival Blanket

The Highlander Reflective Survival Blanket is a lightweight, compact, and portable emergency blanket designed to trap body heat in outdoor emergencies.

£2.99 inc. VAT £2.80 inc. VAT

OMM Ltd

Ultra Flexi Flask 500ml + Straw

The OMM Ltd Ultra Flexi Flask 500ml + Straw is an easy-fill soft flask for drinking on-the-move. The Flexi Flasks are flexible and compress down in volume as you drink, eliminating water and any sloshing or bouncing inside, therefor reducing the sucking effort required. Durable thermoplastic allows for easy storage on-the-go, whilst a secure bite valve ensures no spillage when stored.

£20.00 inc. VAT £17.82 inc. VAT

OMM Ltd

Ultra Flexi Flask 350ml + Straw

The OMM Ltd Ultra Flexi Flask 350ml + Straw is designed to flex and reduce in volume as you drink, preventing water from sloshing and minimising the effort required for sucking. Made from durable thermoplastic, it allows for convenient storage during activities.

£18.00 inc. VAT £16.03 inc. VAT

OMM Ltd

Sonic Vest

The OMM Ltd Sonic Vest is a lightweight windproof gilet designed for fast and light protection. With a focus on mobility, it shields the torso from cool breezes while allowing full arm movement during intense activities. Weighing just 42g and easily packable into its collar's hidden stuff pocket, it fits into any pocket or pack effortlessly. Ideal for training sessions and quick summits, its elasticated arm openings and pre-tensioned hem keep it secure during dynamic movements.

From £62.36 inc. VAT

OMM Ltd

Nitro Singlet

The OMM Ltd Nitro Singlet is an incredibly lightweight vest designed for both training and racing. It offers a unique sensation of almost wearing nothing due to its ultralight 4-way stretch fabric. Despite its minimal feel, this performance vest maintains a great look without adding extra warmth or weight. Its fast-wicking and quick-drying properties make it ideal for running in warm weather conditions.

From £35.64 inc. VAT

OMM Ltd

Core Tent Socks

The OMM Ltd Core Tent Socks are cozy socks designed to keep your feet warm inside your tent. Made with innovative PrimaLoft® ACTIVE insulating fabric, these fleece socks offer excellent warmth while remaining lightweight and easy to pack. They are perfect for use in a lightweight sleep system to enhance warmth and preserve heat at night, rather than for everyday wear.

From £26.72 inc. VAT

OMM Ltd

Halo+ Jacket Women's

The OMM Ltd Halo+ Jacket Women's is an exceptionally lightweight and breathable waterproof jacket tailored for women. It compresses to a size comparable to a tennis ball, making it perfect for mixed weather conditions where waterproofs are essential but not always worn. Despite its lightness, the Halo Jacket remains a reliable mountain shell, featuring fully taped seams, breathable 2-layer waterproof fabric, and secure closures. Additionally, it offers two zippered hand pockets for convenient storage of essentials while on the move.

From £133.64 inc. VAT

OMM Ltd

Halo+ Jacket

The OMM Ltd Halo+ Jacket is an ultra-lightweight waterproof mountain jacket that packs down to the size of a tennis ball. Weighing in at just 130g, the Halo+ Jacket is suited for use in mixed weather conditions where your shell jacket may be carried as much as it is worn and although it is lightweight, it's still a capable mountain shell with fully taped seams. There's also two zipped hand pockets that add flexibility to stash essentials on-the-move.

From £133.64 inc. VAT

OMM Ltd

Swift Arm Warmers

The OMM Ltd Swift Arm Warmers can be added to a short sleeve top when the temperature drops, providing a lightweight option for added warmth when required. They have handy thumb loops that offer extra protection for the back of the hand and the knuckles and are made with a stretch Polyamide yarn fabric that is high-wicking, with 4-way stretch and good levels of durability.

From £22.27 inc. VAT

Fenix

HM62-T

The Fenix HM62-T Headlamp is an all-purpose and compact trail running headlamp that's been made from a premium magnesium alloy, making it both lightweight and durable. It features a large, glove-friendly switch which operates the four brightness levels - or warm white light, plus a red light light and flash. Not only is Fenix HM62-T excellent for its intended trail running purpose, but it is also ideal as a durable general purpose headlamp for work, hiking, fishing and caving, with the added convenience and comfort of the Boa headband adjustment.

From £75.68 inc. VAT

Leki

Trail Running Quiver

The Leki Trail Running Quiver allows you to quickly and easily stow your running poles during a race or training sessions. The quiver comes complete with a comfortable elastic carry-system that allows it to be used without the addition of a backpack or vest. Ideally it would be worn hooked into the designated fastening system on the Leki Trail Running Quiver Vest, but it also works without. It perfectly fits the Leki Superlite models with a 14mm diameter as well as models with a 16mm diameter.

£36.00 inc. VAT £31.98 inc. VAT

INOV8

Softflask 0.5 Locking Cap

The INOV8 Softflask 0.5 Locking Cap is a 500ml hydration flask with an auto-sealing high flow phaser bite valve, so no more leaky bottles! Eliminate accidental leaks with the 500ml Ultra Flask. Featuring an auto-sealing high flow phaser bite valve and a twist-locking cap which shuts off all flow to the valve, allowing you to stash it in your waist pack without the worry of annoying leaks.

£20.00 inc. VAT £17.82 inc. VAT

Odlo

Women's Active 365 T-Shirt

Odlo Women's Active 365 T-Shirt has been made with 92% recycled melange stretch polyester and 8% elastane for additional freedom of movement. Beautifully tailored, the Active 365 Shirt is designed for high intensity use year-round, whether running on trails or training at the gym. Lightweight, moisture wicking and soft to the touch, the t-shirt is treated with ZeroScent - a bio-based antimicrobial finish that limits smells by inhibiting bacteria buildup at the source.

Up to 25%
off RRP
From £29.99 inc. VAT

Odlo

Men's Zeroweight Engineered Chill-Tec Running T-Shirt

The Odlo Men's Zeroweight Engineered Chill-Tec Running T-Shirt is a technical, lightweight top that's been designed with runners in mind. Constructed from recycled polyester melange, the Zeroweight tee features a highly breathable, integrated mesh graphuc which allows extra airflow to pass over your skin. Added ventilation along the side seams and bonded hems keep distractions to a minimum, while reflective detailing creates visibility in low light.

Up to 27%
off RRP
From £40.00 inc. VAT
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