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2017 - Challenge: 25-26 October. Run: 27-28 October.



Marc Lauenstein (CHE) - 03:59:29 Ruby Muir (NZL) - 04:55:48


Marc Lauenstein (CHE) - 3:54:52 Robyn Owen (ZAF) - 4:49:45
Browse the timeline below for results from each of the Otter Races since 2010. The winning men's and women's times are shown below each year.
  • 2016


    Marc Lauenstein – 03:54:52 Robyn Owen – 04:49:45

  • 2015


    Marc Lauenstein – 03:59:29 Emma Roca – 05:07:37

  • 2014


    Iain Don-Wauchope – 04:21:30 Landie Greyling – 05:11:46

  • 2013


    Ricky Lightfoot – 04:15:27 Ruby Muir – 04:55:48



The Event

From Prologue to Prizegiving, find out what's happening and when.

The Route

Marathon Distance. Four river crossings. Over 2600 meters of elevation gain and 11 significant climbs. This is what makes The Otter The Grail of Trail.

Running Green

The Otter is run along a section of near-pristine coastline and we want to keep it that way. Find out more about our Shoe Cleaning Station, the Tsitsikamma and our partnership with SANParks.

Compulsory Kit

The Otter pioneered the kit stencil for rapid checking. Know what to bring to keep you safe out there.

Race Rules

We strive for the perfect race: to be enjoyed by all with the least environmental impact while maintaining the best conditions for personal competition.


Your first Otter or looking for that PB? We have advice from the experts for nutrition and training.



Owen goes for broke as Lauenstein bags R 100k

by Steven Granger 36 year old Marc Lauenstein, did the unthinkable when he raced to a second successive record-breaking win at the Otter African Trail Retto Run over 42km of coastal paradise yesterday in ideal cool, dry conditions between Nature’s Valley and Storms River. And once again the amiable Swiss dentist walked away with...

All Records Broken !

by Kim Stephens The Otter Trail is one of South Africa’s most pristine and popular 5 day hiking trails, traversing the coast between Storms River and Natures Valley on the Garden Route. Once a year, Magnetic South puts on a bucket list race as South Africa’s elite trail runners welcome a few international counterparts...

Swiss superstar, Marc Lauenstein, returns to the scene

Article by Stephen Granger Swiss superstar, Marc Lauenstein, returns to the scene of one of his greatest athletics’ triumphs when he takes on a strong field in this year’s Otter African Trail Run (Retto) between Nature’s Valley and Storm’s River next Saturday. Last year Lauenstein achieved “the impossible” by running the 42km trail –...


Shorter. Faster. Still Tough and Technical. Meet the 10km Dassie and 6km Dassie RockRat

Join The Otter vibe

Whether you choose to run the DASSIE or the ROCKRAT – be assured – every step over rocks, roots, pebbles, through riverbeds and up steep climbs is worth the effort – racing through the most pristine indigenous forests will offer fantastic views to the River Mouth and the Ocean and will let every trail runners’ heart jump of joy. The Dassie and Dassie Rockrat are perfect for athletes who:

  • want to be part of South Africa’s most competitive trail run;
  • want to be there when world class athletes cross the OTTER finish line;
  • are friends and family of an OTTER athlete and are keen to get active without missing their OTTER heroes finish;
  • want to run, but are not ready for the OTTER;
  • wanted to run the OTTER, but didn’t manage to get an entry;
  • simply love the trails!


  • Saturday 28 October 2017
  • Registration: 7:00am Start: 8:30am
  • 10km or 6km
  • De Vasselot Camp Site, Natures Valley


Thank you to all our partners that contribute to the OTTER African Trail Run! Click any of our partner logos below to see how they are involved. Our Product & Logistics partners