The Complete UK Running Race & Marathon Calendar (2026)
Whether you are building up to your first 10K, hunting down a half-marathon personal best, or taking on the ultimate challenge of a full marathon, locking in your next race is the best way to stay motivated. We have compiled a master list of the best upcoming UK running events for the remainder of 2026.
Bookmark this page! We update this calendar regularly so you always have the most accurate race dates, locations, and gear recommendations for your training blocks.
Upcoming Autumn & Winter Races (2026)
October 2026 Highlights
- Kielder Marathon (3-4 October) - Northumberland: Known as "Britain's Most Beautiful Marathon," taking you around the stunning shores of Kielder Water.
- Cardiff Half Marathon (4 October) - Cardiff, Wales: A massively popular, fast, and flat route winding right through the Welsh capital.
- Manchester Half Marathon (4 October) - Manchester: Famous for its flat course and incredible crowd support, perfect for chasing a PB.
- Hampton Court Palace Running Festival (11 October) - Surrey: Run right in the historic grounds of Henry VIII's former home.
- MBNA Chester Marathon (11 October) - Chester: An award-winning, multi-award-winning marathon taking runners through the historic Roman city and into North Wales.
November 2026 Highlights
- Hertfordshire Half Marathon & 10K (1 November) - Knebworth: Starting and finishing in front of the iconic Knebworth House.
- Marlow Half Marathon (1 November) - Buckinghamshire: A golden-leafed, challenging, and incredibly scenic run through the Chiltern Hills.
- Run Alton Towers (14-15 November) - Staffordshire: A unique 5K, 10K, and Half Marathon weekend running around the UK's largest theme park.
- Broadway Half Marathon (16 November) - The Cotswolds: A tough, high-altitude trail race through the quintessential English countryside.
Race Day Essentials: Gear Up for UK Weather
Entering the race is only half the battle. To cross the finish line without chafing, blisters, or joint pain, you need the right gear for the UK's unpredictable autumn and winter conditions.
1. Hydration You Can Trust: The Challenger Running Vest
If you are tackling a half or full marathon, relying solely on water stations can disrupt your rhythm. The Run With Freedom® Challenger Hydration Running Vest is engineered for zero bounce and maximum airflow. Featuring a secure dual chest-buckle system and an included 100% BPA-free 500ml soft flask, it allows you to carry your hydration, gels, and large smartphones effortlessly.
2. Impact Protection: Enertor PX1 Insoles
Pounding the tarmac for 13.1 or 26.2 miles takes a toll on your joints. Upgrade your race day shoes with Enertor PX1 Running Insoles. Used by elite athletes, they are scientifically proven to transmit less shock to your feet, knees, and hips, reducing fatigue and lowering injury risk in the final miles.
3. Happy Feet: HEXXEE® Performance Socks
Blisters can end a race prematurely. You need socks that wick moisture fast and offer targeted cushioning. The HEXXEE® Collection delivers ultra-breathable comfort in vibrant, motivational designs like 'Flaming Hot' and 'Iced Donut 2.0'. Keep your feet cool, dry, and blister-free.
Frequently Asked Questions (FAQ)
What is the best month to run a marathon in the UK?
Spring (April and May) and Autumn (September and October) are widely considered the best times to run a marathon in the UK. The temperatures are generally cooler and ideal for endurance running, minimizing the risk of heat exhaustion.
Do I need a hydration vest for a half marathon?
While many runners rely on course water stations, wearing a zero-bounce hydration vest like the Challenger Hydration Vest allows you to drink exactly when you need to, carry your specific preferred gels, and securely store your phone or an extra layer if the UK weather turns cold.
How can I avoid blisters during a UK race?
To avoid blisters, never run in brand-new gear on race day. Invest in proper, moisture-wicking running socks like HEXXEE socks, use a specialized running insole to prevent internal foot sliding, and apply anti-chafe balm to high-friction areas on your toes and heels.
Planning your 2027 race calendar? Check back soon! We will be updating this page with the biggest spring marathons and early-season trail runs as soon as dates are confirmed.