Marathon running has exploded in popularity across the UK, with events like the London Marathon drawing record ballot applications. But while lacing up your trainers might seem like one of the cheapest ways to get fit, the hidden costs add up quickly.
New research from Monzo reveals that the average UK runner spends around £528 to prepare for and complete a domestic marathon.
That figure includes gear, training, and entry fees, and it can climb significantly higher depending on your choices.
Gear is the biggest expense
The single largest outlay isn’t the race itself but the kit you need to train safely and effectively.
According to Monzo’s survey of UK runners, the average annual spend on running essentials totals £405. Here’s the breakdown:
- Running shoes: £98 (a good pair is essential – expect to replace them every 300-500 miles)
- Accessories, physiotherapy, and recovery equipment: £83
- Technical clothing: £80
- Smartwatches and fitness trackers: £64
- Nutrition and energy gels: £47
- Belts, vests, and other accessories: £33
Physiotherapy and recovery tools become particularly important during high-mileage training blocks, when injuries can sideline even experienced runners.
Training costs
How you train makes a huge difference to the bottom line.
- Gym memberships: Over half of runners (54%) pay for one, averaging £41 per month.
- Paid running apps or coaching: Around £11 per month for apps; personal trainers can cost £73 monthly.
- Running clubs: Often more affordable at £11-12 per month.
Many runners keep costs down by using free resources. Parkrun events, free training apps, outdoor runs, or second-hand gear. Some even skip the gym entirely and train exclusively outside.
Training typically involves 3-4.5 hours per week for several months, with runners in Wales logging the most time on average.
Race entry fees
Entry fees represent a relatively small slice of the total for most UK marathons, often less than 10-15% of overall costs.
- Manchester Marathon: £20–£65 (depending on timing)
- Yorkshire Marathon or Richmond Marathon: Around £30
- Belfast City Marathon: £82 (one of the pricier domestic options)
- TCS London Marathon (2026): £79.99 for UK residents via ballot (reduced to £49.99 if donating to the London Marathon Foundation). International runners pay significantly more (£225).
Charity places often come with a registration fee (£50–£150) plus a fundraising target (commonly £2,000–£2,500), which can effectively increase the “cost” if you struggle to hit the target.
For comparison, major international races in the Abbott World Marathon Majors series cost far more to enter, up to £230 for New York, pushing the total average spend to around £676 when including gear and training.
Additional hidden costs
- Travel and accommodation: Cited as the biggest barrier by 34% of runners. Staying overnight near a big-city marathon can add £77+ per night for hotels, plus transport.
- Nutrition during training: Energy gels, bars, and recovery foods add up over months of long runs.
- Race-day extras: Transport to the start line, post-race recovery, or even a celebratory meal.
Travel and accommodation concerns affect nearly a third of potential runners, according to the data.
A total defined by ambition
Monzo’s £528 average assumes a standard UK marathon with typical gym access. Budget-conscious runners who use free apps, buy second-hand shoes, and pick a low-cost local event can keep the total under £400.
At the other end, aiming for a prestige event like London, investing in premium coaching, multiple pairs of race-day shoes, and professional physio can easily push costs toward £800–£1,500 when factoring in travel and lost time from social commitments.
Tips to run cheaper
Runners are finding smart ways to cut costs:
- Choose free or low-cost training plans and outdoor sessions
- Buy last season’s gear or shop second-hand
- Join local running clubs instead of expensive gyms
- Opt for smaller, regional marathons over bucket-list majors
Despite the costs, 51% of runners say running remains cheaper than other forms of exercise like gym classes or team sports – and the mental and physical benefits often outweigh the financial hit.
Data primarily drawn from Monzo’s recent runner survey. Individual costs vary widely based on location, experience level, and choices. Prices current as of early 2026.
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