How To Choose Your First Marathon: Everything You Need To Know Before You Enter

Choosing your first marathon is one of the biggest decisions you'll make as a runner. It isn't simply about finding a race with a convenient date. The marathon you choose will shape your entire training journey and, if all goes well, create memories that stay with you for the rest of your life.

There are thousands of marathons held around the world every year. You can run through major cities, along stunning coastlines, across mountain trails or even in some of the world's most remote locations. With so much choice, it's worth taking the time to find an event that matches your goals, your budget and the type of experience you're looking for.

Think About The Experience You Want

Before you start looking at race calendars, think about what you want from your first marathon. Some runners simply want to cross the finish line, while others are looking for an unforgettable atmosphere or the chance to combine their race with a holiday.

A major city marathon can offer huge crowds, incredible support and a finish you'll never forget. Smaller marathons often provide a more relaxed atmosphere, easier logistics and less crowded roads. Neither is better than the other, but they deliver very different experiences.

Your first marathon should leave you wanting to do another one, so choosing an event that suits your personality and expectations is every bit as important as choosing the right training plan.

Consider The Course Carefully

The course itself will have a huge impact on your race day. Some marathons are famously flat and fast, making them popular with runners chasing a personal best. Others feature challenging hills, uneven surfaces or more technical routes that can make the distance feel considerably harder.

Look beyond the elevation profile and think about the overall experience. Is it a point-to-point course or a loop? Will you be running through busy city streets, quiet countryside or along the coast? Are there plenty of water stations and support points? These details all contribute to how enjoyable your day is likely to be.

For a first marathon, many runners prefer a course that allows them to concentrate on completing the distance rather than battling steep climbs throughout the race.

Think About The Practicalities

It's easy to become excited by photographs of famous finish lines, but practical considerations are just as important. Consider how easy the race is to reach, where you'll stay and how much travelling you'll need to do before and after the event.

If you're travelling overseas, remember that flights, hotels, transport and meals can significantly increase the overall cost. You should also think about whether friends or family are coming to support you and how easy it will be for them to see you during the race.

The date of the marathon also deserves careful thought. Training for an autumn marathon is very different from preparing for a spring event. Consider the weather you'll be training in and whether it fits around work, family commitments and holidays.

Plan Well In Advance

Choosing your marathon isn't something to leave until the last minute. Many popular events sell out quickly or operate ballot systems, while overseas trips require careful planning and booking well in advance.

Giving yourself plenty of time allows you to secure accommodation before prices increase, organise travel and start training with a clear goal in mind. For many runners, entering a marathon around a year before race day provides enough time to prepare without feeling rushed.

Good planning removes unnecessary stress and allows you to focus on enjoying your training rather than worrying about travel arrangements or accommodation.

Entering Your First Marathon

Entering a marathon has never been easier. Most races allow you to register online in just a few minutes, with confirmation arriving by email almost immediately.

One part of the registration process deserves particular attention. Many larger marathons ask you to estimate your finishing time when you enter. This information is used to allocate runners to different start waves or corrals, helping to reduce congestion on the course.

For first-time marathon runners, estimating your finish time can be difficult. It's tempting to be optimistic, but it's usually better to be realistic. Starting in the correct wave means you'll be running alongside people at a similar pace, making the opening miles much more comfortable and enjoyable.

Keep Up To Date With The Event

Once you've secured your place, the organisers will usually begin sending updates in the months leading up to race day. Some events provide regular newsletters packed with useful information, while others communicate only when there's something important to announce.

It's also worth following the event's social media channels, where you'll often find practical advice, course updates and answers to frequently asked questions.

Many of the larger marathons require runners to collect their race number at an event expo during the days before the race, while smaller events may post race packs directly to participants. Make sure you understand what's required well before travelling.

Over 1.3m entered to run over this Bridge in the 2027 London Marathon

What If The Marathon Uses A Ballot?

Many of the world's most famous marathons receive far more applications than they have places available. Events such as those that are part of the World Marathon Majors are enormously popular, and gaining a place through the ballot can be difficult.

That doesn't mean you should avoid applying. Plenty of runners are successful every year, and receiving that acceptance email is an unforgettable moment. If you aren't successful, however, don't be discouraged. There are many outstanding marathons around the world that don't require a ballot and still provide a fantastic race-day experience.

It's often better to complete your first marathon at an event where you can focus entirely on the challenge rather than waiting several years for a place in one of the biggest races.

Read more about The World Marathon Majors here.

Running For Charity

Many oversubscribed marathons reserve a number of entries for charities. These places allow runners who weren't successful in the ballot to take part by committing to raise a minimum amount of sponsorship.

Running for charity can make your first marathon even more rewarding. Knowing you're helping a cause that matters to you often provides extra motivation during training and on race day itself.

Before accepting a charity place, make sure you understand the fundraising commitment. Minimum sponsorship targets are usually contractual, and charities rely on runners meeting those commitments so they can continue funding their work. Choose a charity you genuinely care about and give yourself plenty of time to plan your fundraising.

Read more about applying for a chaqrity entry here.

Tour Operators Can Provide Another Route

If the marathon you've chosen is sold out and a charity place isn't right for you, specialist marathon tour operators may offer another option.

These companies purchase guaranteed race entries as part of travel packages that usually include accommodation and, in many cases, flights and airport transfers. Although this option is more expensive than entering the race directly, it removes much of the planning and can make travelling overseas considerably easier.

For runners travelling alone, organised marathon tours also provide the opportunity to meet other runners and share the entire experience with people preparing for the same challenge.

Final Thoughts On How To Choose Your First Marathon

Choosing your first marathon is about much more than selecting a date on the calendar. The right event should suit your goals, your budget and the type of experience you want to remember long after you've crossed the finish line.

Take your time, do your research and think carefully about every aspect of the race, from the course and the atmosphere to the travel and training requirements. Once you've found the right marathon, you can commit fully to your training knowing you've chosen an event that's right for you.

Your first marathon is something you'll never forget. Choosing the right one is the first step towards making it an experience you'll always look back on with pride.