
Are you running BTR Ultra Bali 2027?
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Friday, May 14, 2027 – Sunday, May 16, 2027
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.
Pick your distance to see how long to train, how to fuel and the gear that suits this course.
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 planAim for 60–90 g of carbs per hour, train your gut, carry real food for the night and plan your crew and drop bags.
Runnable course: train on similar trails and practise holding a steady pace on the climbs.
Picked for this course and distance from the products we compare.
Your pace leg by leg, the food where you'll need it and a wristband to print, on this race's profile.
Example · 25 km trail with two aid stations
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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.
BTR Ultra Bali takes place in Kintamani, Bali, Indonesia.
BTR Ultra Bali has 5 distances: 7K, 18K, 30K, 60K, and 106K. The longest is the 106K.
No: BTR Ultra Bali is an independent race, not part of a circuit such as the UTMB World Series or the Golden Trail Series.
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.
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.
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.
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.
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.
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