Collection Running 2026.05.22

Essential Items and Supplies to Prepare the Day Before a Marathon

A practical checklist for first-time half and full marathon runners, from energy gels to blister-prevention socks and running belts

#Learning #Marathon #Half Marathon #Running Gear #Energy Gel #Competition Preparation Items

The days when 'marathon' is trending on Google also mark a time when news of races arises, and many runners contemplate challenging themselves to a half or full course. While marathon running might seem like a sport where you can just slip on a pair of running shoes and go, the reality of race day necessitates careful preparation regarding supplies, chafing, blisters, temperature, and pace management that can greatly enhance your finishing experience. This list is not about beginner gear; rather, it's a collection of essential items and supplies you should check off the day before entering a half or full marathon. Trying out new items on race day can lead to issues, so it’s advisable to test them during long-distance training to find what works best for you.

Energy Gel

Energy Gel to Sustain Your Pace in the Later Stages

In a marathon, the perceived difficulty significantly increases after the 25km mark, or 15km for a half marathon. Energy gels are a key item for quickly replenishing carbohydrates at that time. Consuming a gel for the first time on race day can cause stomach discomfort, so it's best to bring gels you’ve already tested during long-distance training. Caffeinated products can enhance alertness, but may also increase heart rate or stomach discomfort for some individuals, so timing is essential.

활용 상황 하프·풀코스 중간 보급 체크 포인트 맛, 카페인 여부, 섭취 타이밍

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Electrolyte Tablets

Electrolyte Tablets for Sweat-Heavy Days

During long-distance running, there are moments when electrolyte replenishment is necessary, rather than just water. Especially on hot days or during lengthy races, a lack of sodium and electrolytes can compromise your condition. Electrolyte tablets are great for adding to water bottles or portable flasks. Since sweetness and concentration can vary between products, it's safer to check their comfort level during training rather than trying them for the first time on race day.

활용 상황 더운 날 장거리 러닝 체크 포인트 나트륨 함량, 맛, 물병 호환

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Running Flask

Running Flask for Uncertain Supply Intervals

While races have water stations, everyone has different timing preferences for drinking water. A running flask is made of a soft material that shrinks in size as water decreases, making it easy to fit in a running vest or belt. It’s also good for pre-mixed electrolyte drinks or for staying hydrated while moving through the race area. If the capacity is too large, it may be heavy and jiggly, so choosing one in the 250-500ml range to fit your pace and the distance between water stations is advisable.

활용 상황 장거리 훈련, 대회 보조 급수 체크 포인트 용량, 흔들림, 세척 편의성

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Running Belt & Arm Band

Running Belt to Keep Gels and Your Smartphone Steady

On race day, you'll find yourself carrying more small items than you expect. Holding your smartphone, energy gels, ID, card, and car keys while running can disrupt your pace and tighten your shoulders. A running belt hugs your body closely, reducing bouncing, and makes it easy to retrieve gels in order. Before purchasing, ensure your smartphone fits, check how many gels it can hold, and see if it keeps contents secure even when sweaty.

추천 대상 장거리 러닝 활용 상황 대회 당일 소지품 수납 체크 포인트 수납량, 흔들림, 방수성

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Blister Prevention Running Socks

Running Socks to Reduce Blisters That Hinder Your Finish

Blisters may seem like a minor issue in a marathon, but they can significantly disrupt your pace in the later stages. Good running socks fit well, wick moisture, and minimize friction between toes and heels. It’s best to avoid wearing new socks for the first time on race day. Test them during long-distance training to check for toe chafing, heel rubbing, and seam pressure, and pick a pair for race day accordingly.

추천 대상 장거리 러닝 활용 상황 하프·풀코스 대회 체크 포인트 마찰 방지, 땀 배출, 봉제선

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Running Cap

Running Cap to Block Sunlight and Sweat

A marathon includes extended time in the sun, especially during warm-up and waiting at the start line. A running cap helps reduce direct sunlight on your face and prevents sweat from dripping into your eyes. It can also aid visibility on rainy days. Choose a lightweight and well-ventilated cap, and be cautious of overly tight fittings that could lead to headaches in the later stages.

활용 상황 햇빛·비·땀 대비 체크 포인트 통풍, 무게, 챙 길이

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Vaseline·Anti-Chafe Balm

Vaseline and Anti-Chafe Balm to Reduce Chafing on Long Runs

Chafing is a skin issue that may feel fine initially but can become painfully apparent in the later stages of the marathon. Applying Vaseline or anti-chafe balm on areas prone to repetitive friction, like the inner thighs, underarms, between toes, waistband, and sports bra line, is helpful. Especially on rainy race days or while sweating a lot, wet clothing can exacerbate chafing issues. Since products vary in stickiness and longevity, it’s wise to test them during training.

활용 상황 장거리 피부 쓸림 예방 체크 포인트 지속력, 끈적임, 바르는 부위

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Running Sunglasses

Running Sunglasses to Reduce Eye Fatigue

Running a marathon on a bright day often leads to squinting, resulting in facial and shoulder tension. Running sunglasses can block UV rays and glare while protecting your eyes from wind and dust. It’s best to choose lightweight, sport-style shades with minimal bounce. Lens color can feel different depending on the weather, so if you plan to wear them on both sunny and overcast days, consider avoiding ones that are too dark.

활용 상황 맑은 날 야외 대회 체크 포인트 자외선 차단, 흔들림, 렌즈 밝기

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Sports Tape

Sports Tape to Alleviate Friction and Discomfort

In long-distance races, small friction can accumulate and grow into significant discomfort. Sports tape can be beneficial for areas prone to blistering on toes, pressure on the tops of feet, chafing on nipples, or knee support. However, using tape too tightly in random places can impede circulation or movement. Check the tape application site and adhesion strength during training, and consider sensitivity for those with delicate skin.

활용 상황 물집·쓸림·관절 보조 체크 포인트 접착력, 피부 자극, 붙이는 위치

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Lightweight Running Windbreaker

Lightweight Windbreaker to Maintain Body Temperature Before and After

When preparing for a marathon, it’s easy to overlook pre-run waiting time and post-race recovery. Body temperature can drop during waiting, movement, and recovery periods. A lightweight windbreaker protects against wind and light rain and folds compactly for easy storage in a running belt or bag. Avoid overly thick products as they can trap heat and get heavy during the race, so opt for lightweight, breathable options designed for running.

활용 상황 출발 전 대기, 비바람, 대회 후 체크 포인트 무게, 수납성, 통풍

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Running Watch (GPS)

GPS Running Watch to Prevent Over-Pacing

At the start of a marathon, it’s easy to get swept up in the atmosphere and start faster than usual. A GPS running watch helps you monitor your current pace, average pace, distance, heart rate, and lap times to prevent over-pacing. Maintaining a steady pace, even without a specific time goal, will simplify managing your energy in the later stages. Make sure to set the automatic lap feature, check battery status, and adjust the display items before race day.

활용 상황 페이스 관리, 기록 확인 체크 포인트 GPS 정확도, 배터리, 랩 설정

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Recovery Foam Roller

Recovery Foam Roller for the Day After the Race

Marathon preparations aren’t just for race day items. After finishing, your calves, hamstrings, quadriceps, and glute muscles may tense up. A foam roller is useful for lightly rolling out your fascia and creating a recovery routine for a few days after the race. Applying too much pressure can lead to increased pain, so it’s best to use it slowly at a pressure level that allows you to maintain your breath. Starting gently after a shower and rest is often a good approach.

활용 상황 대회 후 회복, 종아리·허벅지 관리 체크 포인트 강도, 길이, 표면 돌기

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When preparing for a marathon, it’s more important to validate what you need rather than just packing a lot. You should check if energy gels and electrolytes work well with your stomach, if your running belt and socks prevent chafing and blisters, and if Vaseline and tape irritate your skin during training. On race day, familiar equipment is much safer than new items. If you are preparing for your first half or full marathon, consider adding one item at a time based on any discomfort you experience during long-distance training, rather than buying everything at once. If you find yourself hungry in the later stages, add gels; if your feet start hurting, consider socks and tape; and if you’re struggling with sunlight, think about hats and sunglasses. This approach can help you reduce overspending and increase your chances of finishing strong.

한눈에 보기 12개

Energy Gel

하프·풀코스 중간 보급 · 맛, 카페인 여부, 섭취 타이밍

Electrolyte Tablets

더운 날 장거리 러닝 · 나트륨 함량, 맛, 물병 호환

Running Flask

장거리 훈련, 대회 보조 급수 · 용량, 흔들림, 세척 편의성

Running Belt & Arm Band

장거리 러닝 · 대회 당일 소지품 수납 · 수납량, 흔들림, 방수성

Blister Prevention Running Socks

장거리 러닝 · 하프·풀코스 대회 · 마찰 방지, 땀 배출, 봉제선

Running Cap