Registration for Tahoe Rim Trail Endurance Runs will open on December 7, 2025 with four distances to choose from: 23K, 50K, 100K and the 100 Mile. The 100 Mile has long been a qualifier for Western States, but the 100K offers a new qualifying opportunity for sub-20 hour finishers. The 23K was a popular distance…
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Due to Marlette Dam reconstruction and Flume pipe replacement projects TRTER is not able to set up infrastructure in order to fully operate in the Spooner Backcountry. Therefore we are unable to host the 100 Mile and 100K, in 2025. Please join us for the ALT-50K course and a new 14 Mile course on July…
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I regret to inform you that the 50K 100K and 100 Mile races will not be held this year due to a major backcountry project in Spoon Lake Nevada State Park. Due to the reconstruction of the Marlette Dam and the flume pipeline this summer, Spooner Lake Backcountry will be closed to the public. Without…
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It was a whole day of adventures and experiences. Great event: race organization is top notch, beautiful and challenging course, amazing aid stations with wonderful volunteers, lots of enthusiastic participants. 10/10! —Nico Aguilera
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Greetings, Registration for the Tahoe Rim Trail Endurance Runs 2025 events has moved to January 20th at 8am, PST. It will be an open registration without a lottery or a wait list. The 100 Mile qualifications will still apply. A major public works project is scheduled this summer for the Marlette Lake dam and there…
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Looking for a 100K to qualify for Western States? — TRTER has you covered! It wasn’t hard to find a few extra miles on our trail network to upgrade the 56 miler to a 100K. Plus, participants who finish before the 20 hour mark get a Western States qualifier.
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With July 20th just around the corner, here’s a little peek into the TRTER experience!
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TRTER is dialing back the distance on everyone’s favorite “50K”. All the challenge and stunning Tahoe views included!
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A few items that runners have emailed about: Links to runner’s splits and photos—and next year’s dates!
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A lot goes on in (and on) the course of an Ultrarun. Fortunately, pictures say a thousand words.
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