UTMB World Series

Ultra Trail Chattanooga by UTMB

Dates
4 June 2027 – 6 June 2027
Where
Chattanooga Tennessee , United States of America
Region
North America

Distance categories: 20K · 50K · 100K. Exact distances, climb, profile and cut-offs are on the race page at utmb.world.

Race page on utmb.world(opens in a new tab)

Typical mandatory gear (100K)

For the longest category here. Shorter races need less — each race publishes its own list.

Safety & communication

  • · Mobile phone, charged, organiser numbers saved, roaming on
  • · Whistle
  • · Survival blanket (min. 1.4 × 2 m)
  • · Adhesive elastic bandage (min. 100 × 6 cm)
  • · Photo ID

Water & food

  • · Water reserve, min. 1 litre
  • · Personal cup, min. 15 cl (no disposable cups at aid stations)
  • · Food reserve

Clothing

  • · Waterproof, breathable jacket with hood
  • · Long running trousers or leggings (or tights + socks covering legs)
  • · Warm long-sleeve mid-layer
  • · Warm hat or buff
  • · Warm, waterproof gloves

Light & navigation

  • · Headlamp with spare batteries
  • · Second lamp with its own batteries
  • · Race bib, visible at all times
Open the interactive packing checklist

Member race tools

Pacing calculator and printable checklist for Ultra Trail Chattanooga by UTMB

Included with Monthly and Yearly membership, together with training weeks 3–16.

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From the UTMB events page. Last checked: 26 September 2026. Project 171 is independent of UTMB®. · Training plan

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Project 171 in under a minute

The plan, the races and the mountain work behind the road to UTMB.