The Course
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We're excited to offer you a timed race with several different terrains to help break up the loops. At the Pulse Endurance Runs, you can enjoy nature while running on a beautiful flat dirt trail 2 1/2 mile loop bordering the Boise River and Eagle Island pond. See the website for all course details. This is a great course to get a PR, your first ultra, work on your speed, test out nutrition, practice running at night all while being cheered on all the way!
The Race
The Pulse Endurance Runs are a beautiful and flat fixed-time race held at Eagle Island State Park, 8 miles west of Boise, Idaho. Test yourself against the clock and some of the northwest's top timed event runners at Idaho's premier timed race on a flat, dirt trail. Set a goal and achieve it, running as many miles as you can in 48, 24, 12, or 6 hours. Or, sign up for the 100 mile fixed-distance option! We added the Relay back so bring your friends and run with up to 5 of your friends. Contact the RD if you're signing up for the Relay and have less than 5 runners and I will adjust the price accordingly. This must be done prior to registering.
Come for fun, or come for speed....just bring your smiles!
No refunds will be provided, including in the event of a cancellation outside of the organizers control.
YOU MUST BE REGISTERED BY MARCH 3rd TO BE GUARANTEED FINISHERS SCHWAG
Race Times
We have a lot of event options. Make sure you are checking the start times and signing up for the race you intend to!
100 MILE RELAY
You can have up to 5 runners for the Relay. If you have less than 5 please let the Race Director know PRIOR to signing up and the registration fee will be adjusted accordingly. You would need to do this before you register.
You will be passing the timing chip to the next runner inside the designated transition area at the start/finish only. Your team can decide who runs when and how often. Each team member is not required to run the same amount and they don't have to run their legs all at one time. If a runner leaves the park for any reason they are not allowed to run again. No Pacers allowed in the Relay.
You can have a little extra fun in the Relay and join us in the 'Best Name/Costume contest.' We'll be giving a special prize to the team with the best name/costume. The costume must be worn the entire time and the costume theme must match your team name. I know we have some pretty creative runners out there, I can't wait to see what you come up with! We set the start time for 10AM on Friday, but if you want to start later and can finish by 6PM on Saturday please let me know and I will adjust it.
Times
All entries are non-refundable. Online registration closes Wednesday March 11, 2025 at 11:59 PM.
Race Start Times are as follows:
48 Hour 6pm, Thursday 3/19 (ends 6pm 3/21)
100 Mile: 10:00 am, Friday 3/120 (32 hour cutoff, 6:00 pm, 3/21)
100M Relay: Starts Friday 3/20 at 10:00am (ends 6:00pm 3/21) *Your team may start later (up to 6PM on 3/20*
6 Hour Night: 6:00 pm, Friday 3/20 (ends midnight Friday)
24 Hour: 6:00 pm, Friday 3/20 (ends 6:00 pm, 3/21)
12 Hour Night: 6:00 pm, Friday 3/20 (ends 6:00 am, 3/21)
12 Hour Day: 6:00 am, Saturday 3/21 (ends 6:00 pm, 3/21)
6 Hour Day: Noon Saturday 3/21 (ends 6:00 pm Saturday 3/21)
Volunteer Requirement
Runner Volunteer Requirement
Each local runner is required to furnish one volunteer for the race to fill a minimum 4-hour shift. Please help us out with volunteers. Volunteers are critical in keeping this race successful and continuing to make this race as awesome as it can be for all the runners. If you know more than one person that would like to volunteer please send an email to Jef Torp our Race Volunteer Coordinator at pulserunningevents@gmail.com. We will waive this requirement if you are coming from out of the state, because we want you to sign up anyway!
Once you have registered and given your volunteer info, please have your designated volunteer select their time using the Volunteer button on the main page so that we have all their information and can contact them with specifics about their volunteer spot. There is a spot on the form for volunteers to pick their own time frame. Remember the earlier they sign up the better selection time they will have. Thank you!
Packet Pickup
Packet pickup will be Wednesday March 18th at Shu's Running Company from 11-6. All packets can then be picked up at Eagle Island Park under the shelter. If you're picking up your packet and there's a race getting ready to start that ISN'T your race, please wait until that race starts to help with getting the runners through. You will need to pick your chip prior to the start of your race.
Crews, Aid, Facilities
Crew & Personal Aid: Runners may have crew support every lap. There is an area directly adjacent to the course with space for tents or canopies for personal aid stations. Your crew is only allowed to crew you in the designated area at the Start/Finish area.
Parking: Enough parking directly adjacent to the course with easy access from the course to your car any time. There will be specific blocked off parking for campers and RV's campers and RV's must park in this designated area or they will be towed. We have special permission that allows campers overnight.
Park Entry Fee: The park entry fee for one car $7 unless you have a Idaho State Parks Passport.
Food and Aid: The official race aid station will be available every 2.5 miles as you finish each lap. We will have a wide range of typical ultra food, and we are open to your suggestions and food requests.
Warming Tent: PLEASE LET ME KNOW IF YOU PLAN TO USE THE WARMING TENT SO I CAN MAKE SURE WE HAVE ENOUGH ROOM FOR THOSE WHO NEED IT. Please utilize the warming tent rather than the Aid Station tent if you plan to be resting for a long period of time. The food tent tends to become crowded if too many runners are just sitting/resting which doesn't allow us to provide enough room for those who need to sit for a minute or get some much needed nutrition. down
For those running at night make sure to bring extra clothes, it can get pretty cold and windy so extra layers may be needed. Also don't forget to bring extra batteries for your headlamp. Even though we are inside a state park there isn't any lighting on the backside of the course so you will need to use your headlamp.
Awards
The nice thing about a timed event is that there are no DNFs (unless you sign up for 100 miles and don't complete 100 miles)
Overall winners (top 3) for each race will be awarded
Pacers
Pacers (which is anyone who is a non racer who is on the course with you), will be allowed when you are 1/2 through your race. For example, if you are a running the 48HR you can have a pacer at 24 hours in, if you're running the 12HR, you can have a pacer at 6 hours in. I encourage you to have a pacer to help make your race more enjoyable, but please follow the Pacer rules so the race is fair for everyone. You do not want your pacer to cause a DNF for you. There are no Pacers allowed in the Relay.
Event's current local time: 3:28 AM MT
