
The ENDURrun 2027
Conestogo, ON
Sun, Aug 8, 2027
In 302 days · Sun, Aug 8, 2027
Don't let race day sneak up
One email during race week. That's it.
Sunday, August 8th, 2027
2 Weberlyn Crescent, Conestogo ON
See race page
61–78°F · some rain risk
See last 10 years
On this date: rain 3 of the last 10 years
2026
67–80°F
rain
2025
65–85°F
dry
2024
59–77°F
dry
2023
59–76°F
dry
2022
67–82°F
dry
2021
62–79°F
dry
2020
55–79°F
dry
2019
61–74°F
rain
2018
65–78°F
rain
2017
53–74°F
dry
Best months to race in Ontario →
Race week?
Don't forget the small stuff.
Gels, anti-chafe, throwaway layers — the checklist runners re-buy every race.
About this race
ENDURrun 2027
Two simultaneous events, choose your challenge!
22nd ENDURrun Ultimate
- Duration: 8 DAYS - 7 STAGES - 160 KM - 1 TOUGH RUNNER
- Challenge: The Ultimate test of running.
5th ENDURrun Sport
- Duration: 8 DAYS - 8 STAGES - 80 KM
- Test: Still a formidable test, but more accessible for more runners.
Event Date
Join us for an unforgettable week, August 8-15, 2027.
Options to run single Stages and Relays will open up later.
Schedule of Events
| Date | Location | Ultimate 160 KM | Sport 80 KM | Time Limit |
|---|---|---|---|---|
| Aug 7 4-5pm |
Race HQ, 2 Weberlyn Crescent, Conestogo, ON | Stage 0 Pre-race meet and greet and kit pickup (optional) |
n/a | |
| Aug 8 8am |
RIM Park, 2001 University Ave E, Waterloo, ON | Stage 1 Half Marathon (paved) 3 laps map |
Stage 1 10k (paved) 2 laps map |
3:00 |
| Aug 9 8am |
Riverbluffs Park, 251 George Street, Cambridge, ON | Stage 2 15k Time Trial (1 min. starts) 2 laps map |
Stage 2 7.5k Time Trial (1 min. starts) 1 lap map |
2:00 |
| Aug 10 8am |
Shade's Mills Conservation Area, 450 Avenue Rd, Cambridge, ON | Stage 3 30 KM Cross Country 6 loops map |
Stage 3 5 KM Cross Country 1 lap map |
4:45/0:43, 1:30 |
| Aug 11 6pm |
Walter Bean Trail, 508 Riverbend Dr, Kitchener, ON | Stage 4 10 Mile Hill Run 4 laps map |
Stage 5 5 Mile Hill Run 2 laps map |
2:25 |
| Aug 12 5pm |
Baden Hills, 2733 Sandhills Rd, Wilmot, ON | off day | Stage 6 13.4 KM Technical Trail Run 5 loops map |
2:27 |
| Aug 13 8am |
Stage 5 | 25.6 KM Technical Trail Run 10 loops map |
off day | 4:55 |
| Aug 14 7am |
St David Catholic Secondary School, 4 High St, Waterloo, ON | Stage 6 10,000m Track Race 25 laps of the track |
Stage 7 5,000m Track Race 12.5 laps of the track |
1:20/0:40 |
| Aug 15 5:30/7am |
RIM Park, 2001 University Ave E, Waterloo, ON | Stage 7 Marathon (paved) 5 laps map |
Stage 8 Half Marathon (paved) 3 laps map |
6:20/4:50 |
Additional Information
Track heats are organized by seed time, faster to slower, 10,000 then 5,000. A list will be posted after the previous race.
The 6:20 time limit is based on an early start time of 5:30am which is required for anyone running over 4:30. The time limit for the main 7am start is 4:50. The marathon is a BQ, course certification number ON-2022-018-PTBA. All Half Marathoners start at 7am.
Available Discounts
- Membership: Join the 2027 Run Waterloo Membership. It entitles you to 25% off your entry fee which is a much larger savings than the cost of the membership.
- First-Time Entrants: 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.
For more details, visit the official race page.
Course map
Suggested Races
Organize this race?
Claim it free to manage your listing — and get it featured for free, while spots last.






