This Event Took Place Sat. Jul 21, 2001


The Tahoe Rim Trail 100 Mile Endurance Run will be run on single-track trails and dirt roads within Spooner State Park and on the Tahoe Rim Trail located within the state park and on National Forest land all at or above 8,000 feet of elevation. The 100 mile race will simply be the 50 mile course run twice. But make no mistake, there is nothing simple about the 100 mile course. Please refer to the event website for a course description, elevation profile, and finishing times to get a better perception of the difficulty of this course. All runners must be sufficiently prepared for all trail and environmental conditions. Running any 100 mile race is a true challenge physically, mentally and emotionally. Don't expect to run a PR here. DO expect to find the finest aid stations in ultra running, epic scenery, and world famous volunteers.

Lottery Registration Opens December 6, 2015

Due to the high demand for this incredible race, the Tahoe Rim Trail Endurance Runs has gone to a lottery registration. This means there is a two week opening (DECEMBER 6th-20th) to register for the lottery. No charges are made to your credit card until we draw the "winners" from the lottery pool on January 1, 2016. If you are chosen, you will be registered for the race and your credit card will be charged. If you are not selected, you will be placed on the waiting list in a totally random order. Each race will have their own waiting list. All racers who are selected by the lottery will receive an email from UltraSignUp notifying them of their entrance into the race and the credit card receipt.
If you are on the waiting list, there is a chance you will be pulled off the list and invited via email to join the race. AT THAT TIME, IF YOU ACCEPT THE INVITATION, your credit card will be charged and you are registered to run your heart out on one of the most scenic courses in North America.


All individuals registering for the 100-Mile event MUST meet the Qualification Standards BY THE CLOSE OF REGISTRATION FOR THE LOTTERY DECEMBER 20 2015 AT MIDNIGHT for the 2016 event. NO EXCEPTIONS! Any non-qualified runners registered for the 100 mile race will be removed from the lottery prior to the lottery drawing.
All registrants must meet at least one of the following qualification times. Proof that Qualification Standards have been met must be verifiable by official race results on Ultra Signup or results listed in Ultrarunning Magazine:
1. 50 miles in less than 13 hours or the TRT 50-Miler in less than 15 hours,or
2. 100 kilometers in less than 17 hours, or
3. Completion of any OFFICIAL 100-mile trail race.
The qualifying period is July 1, 2014 to December 20, 2015.
Registration officials will confirm that Qualification Standards were fulfilled by verifying the qualification information provided during the registration process. (If an individual registers for the Tahoe Rim Trail 100-Mile Endurance Run but proof of qualification can not be confirmed the individual WILL NOT be allowed to participate refunds WILL NOT be issued). If you have completed a qualifying event but the results have not been posted at the time of registration contact the event's Race Director.
The Race Director reserves the right to determine if a race not covered above is a qualifying event.
There are NO qualifying requirements for the 50M and the 55K.

Trail Work

All the 100 Mile entrants MUST complete 8 Hours of Volunteer Trail Work. This means WORK!!! Only trail building or trail maintenance counts. Marking a course, sweeping, or volunteering at an aid station does not count. Trail work requirement must be completed between July 15,2015 and June 30, 2016.

Local time: 7:14 AM


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