Mauna to Mauna Ultra


Be one of the first to experience the brand new Mauna to Mauna Ultra race in 2023 from the founders of the Grand to Grand Ultra.

This new course, to be run in 2023 for the first time, has taken years of planning.  

We have uniquely obtained permits from 14 public and private landowners.


Discover the limits of endurance as you tackle a unique course ascending volcanoes and extreme altitudes while running on lava flows, in lush rainforest, open grasslands and pristine beaches.

Our race will start on the east side of Hawaii Island and traverse all the way across the island to the west side. The course will climb the lower slopes of Mauna Loa, the largest mountain in the world and will pass around Mauna Kea, the tallest mountain on Earth. Mauna Kea rises 9966m through the water before then ascending a further 4200m above sea level. That makes it over 14,000m tall, dwarfing Everest's puny 8848m! Hence the name – Mauna to Mauna Ultra.

Hawaii Island is a unique ecological paradise, which has 11 of the world’s 13 climate zones. It is the only land on earth, which is growing because it has the world’s most active volcano, Kilauea, which is continually erupting into the sea.

Most native Hawaiian species of plants and animals are endemic, which means that they are found in Hawaii and nowhere else in the world. Even the Galapagos can’t match Hawaii for bio-diversity and a study of evolution.

Hawaii has some of the most beautiful beaches in the Pacific, which are part of the course, but expect to see a wilder and untouched side of Hawaii Island. You will get to experience the unique Hawaiian history and culture, the only state in America with another official language and a royal family.

Become part of an exclusive and tight knit community as you experience the highs and lows of this test of human survival, in the remotest place on the planet.

Follow in the footsteps of the ancient Hawaiian runners, known as kukini - and become a part of history!

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