Immerse yourself in one of the planet's most breathtaking ecological sanctuaries at Mountain Do Fernando de Noronha, held on the stunning Brazilian archipelago on September 5, 2026. Often hailed as the most beautiful race in Brazil, this trail running event challenges you across the pristine, volcanic landscapes of Fernando de Noronha, with courses of 21km and 8km that weave between crystal-clear coves, dense Atlantic forest, and dramatic coastal cliffs. Each step offers a new, mesmerizing vista of turquoise waters and lush greenery, making it far more than a race—it's a true expedition into a UNESCO World Heritage site. Organized with a deep respect for nature and safety by the pioneering team at MountainDo, this is a bucket-list adventure for any trail runner seeking unparalleled scenic rewards. Prepare for a demanding yet awe-inspiring run where the raw beauty of one of the world's most important marine parks is your ultimate prize.
Races Offered
21 km
Sep 05, 2026
straighten
Distance —
21K
terrain
Type ——
timer
07:30
8 km
Sep 05, 2026
straighten
Distance —
8K
terrain
Type ——
timer
07:30
Weather History
These values represent the 3-year monthly averages for September in Fernando de Noronha.
thermostatTemperature
24.7° / 26.0°
wb_sunnyFeels like
22.8° / 24.6°
light_mode
Avg sunshine hours
11h 51m
water_drop
Avg rainfall
0.7 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
31.0 km/h (Fresh breeze)
opacity
Sweat loss rate
Very high
terrain
Course conditions
Hard and dry surface
sunny
Max UV Index
High (7.0)
humidity_mid
Humidity
77.8%
wb_twilight
Sunrise
06:01
nightlight
Sunset
18:06
About Fernando de Noronha
Learn more about the host city, Fernando de Noronha.
Fernando de Noronha is an archipelago in Brazil and a UNESCO Natural World Heritage Site. Its pristine beaches, landscapes, water sorts including snorkeling and diving, and wildlife attract tourists worldwide.