I'm running my first marathon this weekend and I'm nervous as hell, so I asked experts for their 5 can't-miss tips

Running gear for a marathon
(Image credit: Tom's Guide)

Running a marathon is one of the biggest accomplishments one can achieve, yet here I am dreading the build-up to the upcoming London Marathon.

If you're a first-timer like me, you'll already have all your important gear in order. Grabbed yourself a pair of the best running shoes? Check. Have a way to set your pace and track your progress with the best running watch? Of course. Picked out your race day outfit to raise awareness of the charity you support (and really, to look stylish)? All boxes ticked. But as anyone training for a marathon will know, there's always room for more preparation.

To find out if I missed anything, I spoke to the fitness team at Tom's Guide — namely, Nick Harris-Fry and Jane McGuire — who have collectively run more than 20 marathons. So, whether you're about to set off on your first-ever marathon or need some last-minute tips to make it all the way, here are five key tips to keep your mind and body in top form before you're off to the races.

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Darragh Murphy
Darragh Murphy

Darragh is running the TCS London Marathon 2026 with a place provided by Radox. He's been using Radox shower gel and bath soak as part of his training to help him relax and recover. His marathon coverage remains independent and based on his own experience.

Tip #1: Stick with what you know

a photo of a woman drinking water after a workout

(Image credit: Getty/Jordi Salas)

Once the marathon kicks off, you'll be showered with support from onlookers and organizers offering much-needed cheers, along with refreshing essentials like water, snacks, and sweet treats. It's all very tempting to grab it all, but I recommend that you don't go crazy.

One of the first things I got into a routine during practice runs is having energy gels at precise intervals. Not only did this give me something to look forward to, but it also got my body used to the burst of energy I needed to power through.

Taking all manner of sweets can upset this rhythm, and I definitely wouldn't want to experience any ill-fated side effects that will slow me down. More importantly, though, since some marathons offer specific types of gels (London's will provide Lucozade Sport Gels), it's best to stick with the gels you know will work for you.

For me, that's the High5 Energy Gels, and I'm making sure I have these stocked up during race day. Oh, and be sure to get the flavor you like, too.

High5 Energy Gels
High5 Energy Gels: $19 at Amazon

Depending on how many you need, you can get a pack of energy gels in different quantities and flavors. High5 is easy on the stomach and filled with carbs, so it's well worth stocking up to use during your run.

Tip #2: Stay refreshed

Woman showering before bed

(Image credit: Getty Images)

I have the honor of having a place in the London Marathon provided by Radox, but really, I'd be using its shower gels and bath soaks anyway. They're affordable and have plenty of scents for all occasions, and you can bet I'll be using this to cool off before and after the marathon.

Before race day, it's good to get yourself in the zone, and there's nothing like a hot shower or soothing bath to get rid of that fog of nerves. But for recovery, it's good to have a gel in a warm shower to increase blood flow to your tired legs. A massage ball also helps, but a long shower or bath is a quick-fire way to give your aching body the rest it needs.

Radox Muscle Soak
Radox Muscle Soak: $22 at Amazon

Radox has plenty of shower gels and bath soaks, but to keep your muscles relaxed before or after your run, you can get the Muscle Soak, which features chamomile and eucalyptus scents.

Tip #3: Prevent the pain

Sciatica: Man holding his lower back in pain during workout on a running track

(Image credit: Getty images)

Truly, there is not a whole lot worse than getting a painful chafe as you're finally getting into your stride during the big run. I'm no stranger to this, as my thighs were destroyed during my first long runs while training.

At 26.2 miles, the chances of chafing are extremely high, and I can already imagine the stinging sensation with each step in my inevitable sweaty running kit rubbing against my skin. To stop that from happening, though, it's highly recommended to use anti-chafe balm.

This forms a barrier on the skin to keep painful rubbing to a minimum, and it will be your savior if applied before you make your way to the start line. There are many anti-chafe balms around, but some can be uncomfortably thick and sticky, leaving white residue on anything they touch. I was recommended the Anti Monkey Butt Anti-Chafing, and it's been very soothing during runs. Plus, you can grab one at an affordable price. But the Megababe Thigh Rescue Anti-Chafe Stick is also a great shout, but whatever you choose, it's well worth picking up.

Anti Monkey Butt Anti-Chafing Stick
Anti Monkey Butt Anti-Chafing Stick: $8 at Amazon

The (fantastically named) Anti Monkey Butt Anti-Chafing Stick is my go-to choice to keep chafing at bay, as it doesn't feel greasy when applied, nor does it leave residue on clothes. It uses shea butter and almond oil to soothe the skin, and for just $8, it's an affordable skin-saver.

Tip #4: Tape up

a photo of feet walking

(Image credit: Shutterstock)

This one goes hand-in-hand with chafing, but comes in the form of a painful little bubble right on your skin. It's hard to avoid blisters on your feet with the repetitive nature of running a marathon, and they only make the whole experience worse during and after completing 26.2 miles.

While specialized running socks and running shoes can keep them at bay, the constant movement of your feet inside your socks and shoes, pulling your skin in opposite directions for hours, doesn't prevent a blister from forming.

To prevent blisters from ruining my run, I use blister prevention tape. This acts like a second skin, using strong adhesive to stop any irritation on your skin. These can come in many forms, including tape, plasters, or pads, but whatever suits you, make sure to keep your feet protected. By now, I know all the potential hot spots a blister pops up, which is exactly where I'll be slapping on this tape. Your feet will thank you later.

KT Health Blister Prevention Tape
KT Health Blister Prevention Tape: $9 at Amazon

This KT Health Blister Prevention Tape works wonders in helping stop blisters, and it comes in a pack of 30 pre-cut strips, so you won't be running out anytime soon. Each is large enough to be wrapped around anywhere, and sticks to your skin even during those long, sweaty runs. For its price, it's worth keeping these around.

Tip #5: Keep your gear charged

Statik SmartCharge Pro charging an Apple Watch.

(Image credit: Tom's Guide / John Velasco)

In between all the cheers and brief stops to chat with friends and family (let's be honest, to catch my breath), I plan on making good use of my AirPods 4 and listening to pumped-up tunes on Apple Music via my iPhone. This has given me the energy I need to power through when I've hit a wall, but I'll slam headfirst into this wall once the battery on my devices runs out.

To state the obvious, marathons take hours to complete, and as a first-time marathoner, I don't plan on breaking records (or ever, for that matter). While many of the best wireless earbuds can last 10 hours and beyond, others won't quite make it over the finish line with you. That goes for the AirPods 4 with ANC, which claim to last 4 hours, but I've found this to be less when used constantly.

That's why it's important to have a backup, but one that won't be a burden due to its weight (like the Anker MagGo Power Bank). My top choice is the featherweight Anker Nano Power Bank with a 5,000mAh battery capacity, as it only weighs 3.5 ounces and is small enough to plug into your phone, earbuds, or any USB-C device without taking up much space. Whether you forgot to charge your phone to full or are in dire need of emergency power, this will do the trick on your run.

Anker Nano Power Bank
Anker Nano Power Bank: $21 at Amazon

The Anker Power Bank is a fantastic battery extension for your smartphone or earbuds case, especially to carry around during a marathon. With its 5,000mAh battery capacity, it offers enough juice to keep your devices charged, and will give them juice post-haste with its 22.5W fast charging speeds. More importantly, it doesn't cost a premium!

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Darragh Murphy
Computing Editor

Darragh is Tom’s Guide’s Computing Editor and is fascinated by all things bizarre in tech. His work can be seen in Laptop Mag, Mashable, Android Police, Shortlist Dubai, Proton, theBit.nz, ReviewsFire and more. When he's not checking out the latest devices and all things computing, he can be found going for dreaded long runs, watching terrible shark movies and trying to find time to game

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