The Otter African Trail Run, otherwise called “The Otter,” is Africa’s premier marathon-distance trail running event. Dubbed the “Grail of Trail,” it takes place along the world-renowned five-day Otter Trail in South Africa’s Tsitsikamma National Park—a route that is otherwise strictly off-limits to trail runners. The event is unique because it compresses a legendary five-day hike into a single, intense 42km marathon.
The Two Faces of the Otter
While the trail itself is consistent, the event is split into two distinct formats:
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The Otter “Race”: This is the competitive event designed for elite and highly experienced runners. It features a demanding 9-hour cut-off and is ITRA-registered.
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The Otter “Challenge”: Aimed at those who want to experience the trail with a bit less pressure, the Challenge offers a more generous 11-hour cut-off.
The Direction: Classic vs. Retto
The race alternates direction every year to keep the challenge fresh:
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Classic Edition: Runs East to West, starting at Storms River and finishing in Nature’s Valley.
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Retto Edition: Runs West to East, starting in Nature’s Valley and finishing at Storms River. The 2026 edition is scheduled as a Retto year.
Course Highlights & Technicality
The Otter is famous for being “twice as tough” as a road marathon. Key features include:
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Elevation: Approximately 2,600 meters of vertical gain.
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The Stairs: Roughly 7,000 steps carved into the coastal cliffs.
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River Crossings: Four significant river crossings, including the legendary Bloukrans River, which often requires a swim (assisted by safety divers).
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The Prologue: A 4km seeding race held the day before the main event to determine your starting batch.
Click here for more details and to join the waiting list.