From big races to Saturday morning group runs—find relay events and connect with the local endurance sports community.
Saturday June 27, 2026 10:00 a.m. Trail TBA
This is a free event, and is for Run Waterloo Members only.
There are no bells and whistles, but there is so much more.
The race is a 10 KM Relay Race, consisting of teams of 4, each running a 2.5 KM leg.
Each Team is randomly selected, and the running order is random as well.
Heck, we might as well even select your Team Name too!
Plenty of room for cheering sections. Chip timing, awesome atmosphere and camaraderie, with some excitement and suspense regarding who your teammates are.
Simply register and we will do the rest. All teams with running order will be announced the week before the race. Let the suspense and anticipation begin!
BONUS: $100 Prize Money to the winning team.
If you are not a Run Waterloo Member and wish to participate, click Join Club to the right to learn more.
Run Pure + Simple is our no-bells series of races. These events offer great atmospheres with nothing extra, and are FREE to Run Waterloo members.
A certified and chiptimed 2.5k to get your spring into gear with a unique finisher medal. Note: these medals are the same as 2024 and we are not expecting too many people to take an identical medal.
The 21st ENDURrun
8 DAYS - 7 STAGES - 160 KM - 1 TOUGH RUNNER
The Ultimate test of running.
Join us for an unforgettable week, August 9-16, 2026.
Schedule of Events:
Stage 0 - Saturday August 8 - 5:00 - 6:00 p.m. - Optional Social/Kit pickup/Pre-Race Meeting, 2 Weberlyn Cres, Conestogo, ON
Stage 1 - Sunday August 9- 8:00 a.m. - Half Marathon, RIM Park, 2001 University Ave E, Waterloo, ON - 3 loops of this course route (small course change from 2023) https://www.mappedometer.com/?maproute=966264
Stage 2 - Monday August 10 - 8:00 a.m. - 15 KM Time Trial, Riverbluffs Park, 251 George Street, Cambridge, ON - Out and back on this course route https://www.mappedometer.com/?maproute=941128
Stage 3 - Tuesday August 11 - 8:00 a.m. - 30 KM Cross Country Run, Shade's Mills Conservation Area, 450 Avenue Rd, Cambridge, ON - 6 loops of this course route https://www.mappedometer.com/?maproute=916905
Stage 4 - Wednesday August 12 - 6:00 p.m. - 10 Mile Hill Run, Walter Bean Trail, (park in the Coldwell Banker Peter Benninger Realty parking lot at 508 Riverbend Dr), Kitchener, ON - 4 loops of this course route https://www.mappedometer.com/?maproute=942256
Stage 5 - Friday August 14 - 8:00 a.m. - 25.6 KM Technical Trail Run, Baden Hills, 2733 Sandhills Rd, Wilmot, ON - 10 loops of this course route https://www.mappedometer.com/?maproute=907525
Stage 6 - Saturday August 15 - 7:00 a.m. - 10 KM Time Trial, St David Catholic Secondary School, 4 High St, Waterloo, ON - 25 laps of the track - 2 or 3 heats, fastest heat first based on cumulative time to this Stage
Stage 7 - Sunday August 16 - 7:00 a.m. - Marathon, RIM Park, 2001 University Ave E, Waterloo, ON - 5 loops of this course route https://www.mappedometer.com/?maproute=916447 Note: 7:00 a.m. is the main start time, for those participants expecting to run under 4:30. For those participants expecting to run slower than 4:30, you must start at the early start time at 5:30 a.m. This course is a BQ, course certification number ON-2022-018-PTBA.
Have you never participated in the Ultimate before and are under 25 years of age? Please contact us about a $250 entry fee discount program. Two discounts are available on a first come basis.
Hi
Any money in excess of expenses from this event will be donated to:
Run-Walk-Roll for WRHNCC
This is the 11th year raising funds for WRHNCC
We are proud to announce that this event is a sanctioned race by Athletics Ontario.
[LIMITED TO 115 SPOTS]
The Course:
Participants will run a 2.5km loop through a well marked trail forest at the Camp Heidelberg property in Kitchener Waterloo.
Out of the start-finish area you will run a fast, flat section passing our covered aid station towards Camp Heidelberg pond. The course is primarily made up of fast, groomed trails with some short but tougher and technical sections with rocks & roots and a few rolling hills spread-out along the loop. Each loop has approximately 45m elevation gain. Be ready for any weather conditions, October can bring rain or snow. There is plenty of room to set up a drop bag at the aid station area.
Choose 2 loops (5km), 4 loops (10km), 10 loops (25km), 20 loops (50km), 6hr & 6hr relay option.
Enjoy a day on the trails with our generous cut off time (8hrs for the 50km participants)
5km, 10km, 25km, 50km & 6hr will start at 8am.
6hr relay will start at 10am.
Course closes at 4pm
6HR RELAY
Team Captain must register a Team Name themselves and pay the registration fee for the whole team. Only the team captain needs to register, we will contact you closer to race day to get all of your teams info! Each team is welcome to set up a tent, table, and chairs along the start-finish area. Bring friends to cheer you on!
Teams can consist of 2- 4 members.
Laps are 2.5K. (there is no switching out a runner during the lap. Runner must complete the entire lap).
An ankle timing chip is passed from runner to runner at the end each 2.5K loop (in the designated start/finish area).
Teams do not have any gender designations. All teams are classified as mixed - regardless of the makeup of runners.
Plenty of parking for all participants.
Sorry, no dogs or pet’s allowed on Camp Heidelberg Property at any time.
NO ALCOHOL ALLOWED AT ANY TIME
Thanks to our event sponsor:
Timing
All events will be electronically timed by Chiptime Results.
Aid Station:
The usual fare will be present: pop, water, electrolytes, various candy assortments, chips, and pickles. Additional foods may be present such as PB & J sandwiches and pie.
This will be a CUP-LESS event, please bring a water bottle or bottles with you.
Pacers:
Sorry no pacers allowed on the course.
Awards:
All participants will receive a finishers medal and other goodies
(2024 medal design)
Refund Policy:
We do not currently offer refunds. Runners can defer to the following year.
Distance Transfers: Runners can transfer distances leading up to the race, and on race day. If transferring to a longer distance, runners must pay the difference in current registration values. There is no refund for runners transferring to shorter distances.
2026 Event Photographer: