Get Your Run On

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Individual runners

Each runner MUST have a support crew. While not advised, two (2) runners** may share one crew. There will be no aid stations or water stops along the route. Individual runners and teams are expected to be self-sufficient. There are many places along the course to re-stock supplies and purchase prepared food. The individual runner's crew will leap-frog their runner along the course, meeting every few miles at approved locations only to provide the runner with water, food, ice, changes of clothes, night gear, and whatever else the runner might need during the race. The crew is responsible for getting the runner to the race start and from the finish, and to transport and care for the runner in the event the runner is unable to complete the race.

**Allowing a shared crew is intended for runners who will be moving together most of the time. Runner separation can never be greater than one allowable Meet-Up Location ahead.

FOR THOSE RACING FOR THE FIRST TIME WITH A SUPPORT CREW AND FOR FIRST-TIME CREW MEMBERS, OUR BEST-PRACTICES VIDEO, "CREWING A RUNNER AT KEYS100", IS POSTED UNDER THE "CREW INFO" TAB. IT IS A "MUST-SEE" FOR ALL BUT THE MOST EXPERIENCED ULTRA-RUNNERS AND SUPPORT CREWS.

Relay teams

Race with friends from Key Largo or Marathon to Key West! Up to six runners may form a 100-mile team, and up to three runners may form a 50-mile team. Teams decide how many legs each teammate runs, the order in which they run, and the distance. Runners do not have to stay in order nor run the same number of legs or miles. Teams decide their own race-day strategy! A list of allowable locations to exchange runners is included in "Runner Meet-Up Locations" under the "RACE INFO" website tab. A printed, final version will be included in the "2025 Race Guide", which will be posted on the website and distributed in printed form at race check-in.

On-course support

Runners and relay teams will be supported by race marshals, who check for runner safety and rules compliance, medical staff located along the course, and monitors at strategically placed timing stations. Sheriff's deputies assist runners and direct traffic at necessary road crossings.

Checking-in

The Holiday Inn, Key Largo, is race "headquarters". Check-in will take place on Friday afternoon and evening under the tiki hut next to the pool. While this location is primarily for 100-mile individual runners and teams, 50-mile runners and teams and 50-kilometer runners may pick up here, as well, or just before their own races on Saturday morning. This is always a terrific time to see old friends and meet new ones. Orientation is online in lieu of a live pre-race meeting. (The "Orientation" video is a MUST-SEE.) In addition, a very informative, live "Experts Panel" will take place on Friday afternoon at the Holiday Inn for those interested in attending.

Race day

The 100-mile races start on Saturday morning at 5:40 am at the "Divers Direct" shopping center in Key Largo, preceded by limited elite corrals. Starts are staggered with approximately twelve (12) runners in each wave. For 2025, relay teams and individual runners will start together.  Assigned corrals will leave every five minutes. Staggered starts help spread out the field along the course. START TIME SELECTION IS FIRST COME, FIRST SERVED; THE EARLIER YOU REGISTER, THE BETTER YOUR SELECTION OF START TIME. All finish times are NET. Your clock starts when your wave crosses the starting line mat and ends when you reach the finish line.

The Marathon Garden Club is the starting location for the 50-mile races. A live Q&A session will be held prior to the race start with the race director. Packet pick-up on Saturday morning prior to the race start will be drive-by only at St. Columba Episcopal Church in the block behind the Garden Club. (See the "Race Calendar" for details.) The race start will be staggered. Groups of twelve (12) runners will begin together, with a new group leaving every five minutes. START TIMES ARE FIRST COME, FIRST SERVED. REGISTER EARLY!

The Lower Keys Chamber of Commerce property in Big Pine Key will again be the location of the 50-kilometer race starting at noon. Packet pick-up will be held on-site prior to the race. There will be a live Q&A session prior to the staggered race start. Fifteen (15) runners will begin at a time. Subsequent groups will leave every five minutes. 50-kilometer runners will also be required to have their own support crew--or to share one.

Race Timing by MCM Timing

Timing equipment will be placed at strategic locations along the course. Locations and instructions will be provided to all registered runners.

Finish line

The celebration returns! At the finish line on Higgs Beach, we host a continuing party under a huge tent, offering cooked food, adult beverages, and more. Hundreds of chairs allow and encourage runners to relax, visit, and swap stories. The in-person awards program will be held under that same big tent on Sunday at 11:00 am, for the 50-mile and 50-kilometer races, and at noon for the 100-mile races. Hundreds show! Join us to be recognized, receive your award, and cheer others. More than 200 awards will be presented in 2025.