TrailRunningCompare
  • Discount Codes
  • Brands
  • Shops
  • Races
  • Trail runners
  • Training
  • Software
Shoes
Socks
Watch
Vest
Poles
Sunglasses
Action Camera
Heart Rate Monitor
Headphones
Headlamp
Nutrition
TrailRunningCompare

Everything for trail runners in one place: compare shoes and gear, plan your races, train with Strava and turn your runs into Instagram stories.

Category
  • Shoes
  • Socks
  • Watch
  • Vest
  • Poles
  • Sunglasses
  • Action Camera
  • Heart Rate Monitor
  • Headphones
  • Headlamp
  • Nutrition
Popular Comparison
  • Hoka Tecton X 4 VS Brooks Cascadia Elite
  • Hoka Speedgoat 7 VS Nike ACG Zegama Trail
  • Salomon S/Lab Genesis 2 VS La Sportiva Prodigio 2
  • Garmin Fenix 9 Pro VS Garmin Fenix 8
  • Garmin Forerunner 970 VS Coros Pace Pro
Company
  • About
  • How we score
  • Terms of Service
  • Privacy Policy
Explore
  • Features
  • Guides
  • Competitions
For Business
  • Business login

© 2026 TrailRunningCompare. All Rights Reserved.
  1. Races
  2. BTR Ultra Bali

BTR Ultra Bali 2027

May 14, 2027 – May 16, 2027Kintamani, Bali, Indonesia
Official websiteAdd to calendarWhere to stay
BTR Ultra Bali

Are you running BTR Ultra Bali 2027?

Save it to your account: countdown, a training plan for your distance and the gear you need.

I'm registeredI want to register

Sign in with Google in seconds

SpecsReview5Alternatives5

Key facts

May14

Friday, May 14, 2027 – Sunday, May 16, 2027

5distances, up to 106K
IndonesiaLocation
39.3KInstagram followers
Location
Kintamani, Bali, Indonesia
Distances
7K18K30K60K106K
Series
Independent race
Race type
ultra
Instagram
@btrultra39,300 followers
More trail races in May 2027
Loading map…
Kintamani, Bali, Indonesia
This race
Google Maps

About the race

BTR Ultra Bali is a celebrated trail running event in Bali, Indonesia, featuring volcanic trails around Mount Batur and Mount Agung. With a variety of distances from short trail runs to ultra distances, it challenges runners with tropical heat, technical terrain and significant elevation gain. The event attracts runners from around the world and is part of the broader trail running championship calendar.

How to prepare for BTR Ultra Bali

Pick your distance to see how long to train, how to fuel and the gear that suits this course.

Your distance:

Training

24 weeks of specific training

Plan a long build: back-to-back long runs, night running and at least one 8–10 hour day.

Add two short strength sessions a week (legs, hips and core): they protect you on the descents.

See the week-by-week training plan

Fuel and hydration

Aim for 60–90 g of carbs per hour, train your gut, carry real food for the night and plan your crew and drop bags.

Terrain and conditions

Runnable course: train on similar trails and practise holding a steady pace on the climbs.

Recommended gear

Picked for this course and distance from the products we compare.

Shoes

Hoka Mafate 5
Hoka Mafate 5Shoes$190
The North Face Altamesa 500 v2
The North Face Altamesa 500 v2Shoes$170
Altra Olympus 275 HiLo
Altra Olympus 275 HiLoShoes$200
Kiprun Kipsummit Max
Kiprun Kipsummit MaxShoes$150

Essentials for the 106K

Salomon ADV Skin 12
Salomon ADV Skin 12Vest$165
Maurten Gel 100
Maurten Gel 100Nutrition$3.41
LEKI Ultratrail FX.One SL
LEKI Ultratrail FX.One SLPoles$190

Learn more in our guides

Strength training for trail runnersTrail running nutritionHow to choose trail running shoesTrail running for beginners
Race planning

Plan BTR Ultra Bali on race day

Your pace leg by leg, the food where you'll need it and a wristband to print, on this race's profile.

  • Your time at each aid station and the margin on the cut-offs
  • Gels and real food placed by kilometre, by what you burn
  • Aid stations and cut-offs you move right on the chart
  • A wristband with your profile, times and food to print
Plan BTR Ultra Bali How it works

Example · 25 km trail with two aid stations

Gel25 g carbsMedjool dates36 g carbsCaffeine gel25 g carbsSalt capsule250 mg Na
Aid station 1·08:58Aid station 2·09:48Finish·10:35
628 m303 m
0:460:220:210:180:130:16
0 km5 km10 km15 km20 km25 km
ClimbRollingDescentAid stationCut-off point

Do you organise BTR Ultra Bali?

Keep your race's page up to date: dates, distances, description and website.

Manage this race

Accommodation

Find nearby accommodations for BTR Ultra Bali

BTR Ultra Bali

BTR Ultra Bali

Have you run BTR Ultra Bali?

Help the community by answering

Video Reviews

Watch real-world YouTube reviews from content creators and the Trail Running community.

See all 5 video reviews

Frequently Asked Questions

Answers from the race’s data: dates, distances, terrain and how to prepare.

Ask your own question

Can't find what you're looking for? Ask anything about BTR Ultra Bali and our AI will answer.

Enter to send · Shift+Enter for a new line
Try asking:

When is BTR Ultra Bali 2027?

BTR Ultra Bali 2027 takes place in Kintamani, Bali, Indonesia: May 14 – 16, 2027. Add it to your calendar from the top of this page so you don’t miss it.

Where does BTR Ultra Bali take place?

BTR Ultra Bali takes place in Kintamani, Bali, Indonesia.

What distances does BTR Ultra Bali have?

BTR Ultra Bali has 5 distances: 7K, 18K, 30K, 60K, and 106K. The longest is the 106K.

Is BTR Ultra Bali part of a race series?

No: BTR Ultra Bali is an independent race, not part of a circuit such as the UTMB World Series or the Golden Trail Series.

How long should I train for BTR Ultra Bali?

For the 106K, plan around 24 weeks of specific training if you already run regularly. For the 7K, about 8 weeks are enough. Build up long runs with climbing and add two short strength sessions a week.

How technical is BTR Ultra Bali?

It is not tagged as a technical race in our data, so check the course profile on the official website and train on trails with climbing like the race’s.

What shoes should I wear for BTR Ultra Bali?

For its terrain, choose shoes with good grip and enough cushioning for the distance. Good options: Hoka Mafate 5, The North Face Altamesa 500 v2, and Altra Olympus 275 HiLo. You will find them, and the rest of the gear, in “How to prepare” below.

How do I register for BTR Ultra Bali?

Registration is on the official website (balitrailrunning.com). Popular races sell out, so check the dates early, and mark it as “I want to register” at the top of this page to keep it in your races.

Where can I stay for BTR Ultra Bali?

Look for accommodation in or near Kintamani. The accommodation map on this page shows hotels and apartments around the race, with prices for your dates.

Looking for alternatives to BTR Ultra Bali?

Check out the Top 5 alternatives to BTR Ultra Bali

View Alternatives