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1.  Course 

  • Loop course 4.17 miles in length

  • 2 Loops for total length of 8.17 miles (you will not go back through start/finish at end of first lap)

2. You must start the race at the race TIME to which you are assigned. Starting at an earlier time will result in disqualification from the race.  Please be at the starting line at least 15 minutes ahead of time and be ready to move up to the start line at the exact time your race is scheduled to begin.  Assigned age groups will start PROMPTLY every minute, on the minute after 9:00 a.m.  Be there on time are ready to run!

3.  Bib numbers are non-refundable and non- transferable; you may not give or sell your bib number to another person. Runners violating this rule will cause disqualification of both runners, and both parties may be banned from future races.

4.  Trail Companions/Pacers

  • Trail Companions will be allowed, but only if: (1) the trail companion is officially registered in the race, and (2) Trail companions may only be used to run with a child or youth runner (14 years old or younger) to assist in trail navigation and safety or guide a visually impaired runner.  The trail companion CAN start in the same assigned group as the youth or visually impaired runner but MUST remain with or behind the youth or visually impaired runner for the duration of the race.  Companion runners must NEVER run ahead of the youth or visually impaired runner they are assigned to run with.  Violation of this rule will result in disqualification of BOTH the companion and youth or visually impaired runner.  Companion runners must never push, pull or otherwise assist their Youth or visually impaired runner in any way.  Violation of this rule will also result in disqualification of both runners.  Youth or visually impaired runners and their Companion runner will be given the same color decal to affix to their bibs to indicate they are running together and officials can visually see that they are a youth/visually impaired and Companion runner running together.  Companion runners are REQUIRED for runners aged 8-10 years old and highly RECOMMENDED for runners 11-14 years old.    


5.  Runners must be years old or older.  See Trail Companions/Pacers section above for details on companion runners for runners 14 years old or younger.

6.  Trail Etiquette and Safety

  • The Last Runner Standing course is rugged and very narrow in places.  Passing will be challenging.  As such runners should:

    • Stay as far to the right as possible if walking or running slower to allow runners to pass​

    • Passing runners should pass on the LEFT

    • Communication will be important.  If you are passing another runner, please communicate clearly and call out, "On the LEFT"

  • No headphones are permitted on the race course to allow for clear communication for those runners passing and being passed

  • The trail is rocky, rooty and rugged in places, please watch your footing and be careful not to turn an ankle. 

  • Be particularly careful on "The Plunge" and "Quadbuster" at the end of the loop coming down the face of Spirit Mountain. 

7.  Unlike the actual Dipsea, no off-course running is permitted.  Runners must follow the marked and designated course for the duration of the event.  No cutting of switchbacks or any section of the course is permitted.  Runners cutting the course will be disqualified and could be banned from future events.


1.  Course

  • Loop course 4.17 miles in length

  • 100 miles in 24 races or 24 hours


2.  Starting Corral

  • Participants must be in the starting corral at the start of the next race (top of the hour)

3.  Race Starts

  • Each loop starts precisely 1 hour after the last at the top of the hour

  • Warning given 3, 2, and 1 minutes prior to start

  • All competitors must start at the bell (no late starts)


4.  Loops

  • Except for restrooms, competitor may not leave the course until each loop is completed

  • No personal aid during a loop (common aid stations are allowed)

  • Each loop must be completed within an hour to be counted, including the final lap

  • No artificial aids EXCEPT Trekking poles are allowed

5.  Winner/Results

  • The winner is the last person to complete an entire loop/race within an hour after all other runners have been eliminated

  • Race continues for as long as it takes to determine who will be the last runner standing

  • There is no cutoff time, date or hour that will stop the race

  • All others are technically DNF

  • Results of each runner in terms of distance covered during the race

  • If no runner can complete one more loop than anyone else, the winner will be the runner that finished the previous loop first.  This rule also applies to age group winners

  • Race directors reserve the right to adjust rules as necessary

General Rules:

1.  Runner responsibilities – The runner is responsible for knowing all the rules
2.  No unauthorized aid caches or drops – No one is allowed to cache, drop or store supplies on the race course before or during the run.  Runners are not allowed aid between checkpoints.  Crews are forbidden to leave aid along the trail during the run.
3.  No course cutting - Runners must follow the marked course at all times.  If the runner departs from the marked course, the runner must return to the point of departure on foot before continuing.  Cutting the course is grounds for immediate disqualification.  Please do not cut switchbacks on the course.  Switchbacks are designed to ensure the sustainability of the trail.  Doing nothing to risk the sustainability of the trail we are using will ensure that we will be able to use it for future races.
4.  Finishing each race – Race numbers must be clearly visible.
5.  If you decide to drop out of the race – If any runner is unable to complete the run, the runner must notify the race directors and surrender their race number.  Upon surrendering their race number, the runner is officially out of the race.
6.  If you get lost or injured – If you get lost or injured, stay on the trail and wait.  Inform another runner that you are injured and ask that they notify race officials at the next checkpoint.
7.  Do not litter – Either carry your trash or leave it at the aid stations.  Littering along the trail will be cause for disqualification.
8.  Trail Etiquette and passing other runners and trail users –  There may be other people using the trail on race day.  Please be VERY respectful of other trail users and give them the right-of-way.  Remember we are guests on the trail and there will be quite a few of us out there on race day.  Never cut switchbacks, stay on the trail and run through any puddles to avoid trail widening.
9.  Relieving yourself -  O.k., this is gross, but it should be mentioned.  Solid human waste should be buried (find a stout stick and dig a quick hole with it) well off the trail and away from water.  Liquid waste should not be deposited on the trail itself or near water.  You should be at least 100 feet from any water source when relieving yourself.  A non-entrant in the race should not see you relieve yourself.

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