Challenge Events
Do you love a hike, jog, run-on run, an ultra, cycling, swimming, tough mudders, obstacle courses or adrenaline boosters? If you are craving a challenge that pushes your limits, boosts your fitness, and creates real impact, there may be an event for you below. If nothing here quite hits the mark you’ll find more than 100 additional events waiting for you – check out our diary below.
Brighton Marathon
WHEN: 4th April 2027
The Brighton Marathon is one of the UK’s favourite 26.2-milers. With a stunning backdrop of the sea in one of the country’s most vibrant cities, the race gets bigger and better every year. Renowned for its buzzing atmosphere and roaring crowd support, the course winds through the city streets, finishing up on the spectacular Brighton seafront. The marathon is just one part of the Brighton Marathon Weekend, an event that also encompasses The Mini Mile Races, the BM10k and the Brighton Marathon Exhibition.
London Landmarks Half
WHEN: Sunday, 4th April, 2027
The London Landmarks Half Marathon is a closed road, central London run and is the only half marathon to go through both the City of London and City of Westminster.
The event is not your average half marathon! From cultural landmarks and heritage to the city’s quirky and hidden secrets, runners get to explore the capital on a route like no other!
Manchester Marathon
WHEN: 18th April, 2027
The adidas Manchester Marathon, the UK’s second largest marathon and one of Europe’s largest is an iconic event drawing participants from all over the world to the vibrant streets of Greater Manchester.
We pride ourselves in welcoming all to take on our 26.2 mile challenge, from some superb elite runners, to those who thought completing a marathon would never be possible. Many regular runners find this the ideal event to get a personal best time, whilst everybody finds the incredible Mancunian support throughout the course unforgettable.
Edinburgh Marathon – Edinburgh Running Festival
WHEN: Sunday, 30th May, 2027
Come and be part of Scotland’s BIGGEST running festival!
This ever-growing festival of running is now a major event in the Scottish sporting calendar. Starting in Edinburgh, the course heads out through East Lothian offering stunning views and an unforgettable running experience. The full weekend of events attracts around 30,000 runners, with thousands more lining the course to support. There are 9 races on offer over two days including the marathon, half marathon, team relay, 10k, 5k and junior races. There really is something for everyone, so why not make the most of the Bank Holiday weekend.
Great South Run
WHEN: Sunday, 18th October, 2026
The AJ Bell Great South Run is probably the world’s favourite 10-miler, with inspiring history, salty air and glorious sea views guaranteed. Portsmouth’s supporters will keep your spirits and motivation up the whole way round, with blaring music, cheers, high fives, fist bumps all part of the incredible AJ Bell Great South Run experience. Plus, there’s a medal, exclusive finisher t-shirt and bragging rights at the finish line. There’s a reason 99% of runners say they’d recommend it to a friend – lots of reasons, in fact.
The Peak District Challenge – Copper – 25k
WHEN: Saturday, 19th September, 2026
Our basecamp hub in idyllic Bakewell will welcome over 3,000 adventurers who will test themselves in the fabulous Peak District National Park. There’s a full range of camping options, car parking, and extensive hospitality & welfare services across the weekend – with a full 100km Challenge which takes a tough & varied figure of 8 route through Derbyshire’s finest scenery. You’ll get full support all the way, and with 3/4, half, quarter & 10 mile distance options also which pass Chatsworth House – there’s a Peak District Ultra Challenge for everyone!
Chase The Moon Queen Elizabeth Olympic Park Halloween 10K
WHEN: Wednesday, 28th October, 2026
Come and run a chip timed 5k or 10k through the incredible grounds of London’s Queen Elizabeth Olympic Park. The RunThrough Queen Elizabeth Olympic Park 5k & 10k event is a great opportunity for a fun morning out with a unique themed medal waiting for you at the finish!
GetPRO Bath Half
WHEN: Sunday, 14th March, 2027
Take part in one of the UK’s most established road races – the Bath Half Marathon! Join 15,000 other runners on the flat, picturesque course and enjoy the electric atmosphere. Whether you’re a seasoned runner or a total novice – this event is perfect for everyone.
HOKA Hackney Half
WHEN: Sunday, 16th May, 2027
A Half Marathon with a difference. Set your 2027 off to the right start by calling your crew to the Hackney Half start line on Sunday 16th May.
The Hoka Hackney Half is the highlight of London’s running calendar. This is an unforgettable weekend of movement, sport and entertainment.
Expect pure vibrancy as the borough comes alive for a weekend of celebration.
How we support you?
We are happy to offer fundraising advice, including guidance on setting up your fundraising page and tips on promoting it to encourage sponsorship from friends, family, and colleagues.
Our logo can be provided for use on your fundraising materials or running vest.
We may be able to offer a leaflet design service for your own events.
Please note that, due to limited resources, we are unable to supply running vests or T-shirts. These can be purchased via our online shop: [insert link].
Through our partner, Run for Charity, we can provide access to a wide range of local, national, and international events. For selected events, we offer reduced entry fees in return for a minimum sponsorship commitment.
Participation in any activity in aid of STEF is at your own risk. We strongly encourage you to prepare thoroughly and recommend seeking medical advice before undertaking any extreme challenge.
Ts&Cs – All events listed on our challenge event page are organised by reputable third-party providers and not directly by STEF UK. STEF UK accepts no responsibility for the organisation or management of these events. Reservation fees managed by STEF UK are non-refundable. STEF UK cannot be held liable for any cancellation, injury, loss, or dispute arising from participation in these activities.
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