2023 - Grand Explorers' Trail Race
2023 distances
Running
1-Mile Fun Run for Kids
The kids’ fun run/walk will be on a paved trail only so strollers will be allowed. We suggest children running this race be under 12 years old. *No strollers will be allowed on the 10K/5K route due to difficult terrain and narrow trails in some areas of the course.
5K Run/Walk
5K – The 5K is a mostly flat course that runs on dirt early in the race and does a loop by the lake in the Grand River Park before heading out to the paved trail by the Grand River. It then follows the Idema Explorers’ Trail by the river until it gets to the lodge at Grand Ravines Park. There is an incline to navigate as you go around the lodge (where bathrooms are available) before heading down a short-but-steep dirt hill back to the river trail where you came from. There is water available at an aid station near the lodge. Once you get back to Grand River Park you won't have far to go before you hit the finish line.
10K Run/Walk
10K – The 10K course will challenge you with some hills (who doesn't like hills?) and stairs as you wander further into Grand Ravines Park. The start of the course will mostly mirror the 5K course (there is an early hill thrown into the mix) until you reach the Grand Ravines Lodge. At that point, the 10K course will branch out and continue to climb the hill behind the lodge. You will then follow the edge of the woods until you cross the park entrance road and head down towards the dog park. You will follow the edge of the dog park and cross the parking lot for the dog park (where there will be an aid station and bathrooms) before running around to the east of the dog park and heading back into the woods. You will then cross the suspension bridge, turn right, and descend the East Ravine stairs onto the Statema Woodland Trail. From there you will get back on the Idema Explorers’ trail and head back to Grand River Park. When you get to Grand River Park, your work is not quite done as you will have one more big climb and descent on dirt to conquer before heading to the finish line.
5K Run/Walk with One Dog
We are excited to have your dog join you during this event! We ask that if your dog is participating in the 5K or 10K run/walk, you keep him/her on a 6-foot leash at all times, that you properly dispose of waste, and that you are mindful of your dog's ability to participate in an environment with other dogs and humans, including children. By participating with your dog, you agree to comply with requests to remove your dog from the event by members of the Ottawa County Parks Foundation and/or the Ottawa County Parks staff if they feel your dog is dangerous or causing too much disruption.
10K Run/Walk with One Dog
We are excited to have your dog join you during this event! We ask that if your dog is participating in the 5K or 10K run/walk, you keep him/her on a 6-foot leash at all times, that you properly dispose of waste, and that you are mindful of your dog's ability to participate in an environment with other dogs and humans, including children. By participating with your dog, you agree to comply with requests to remove your dog from the event by members of the Ottawa County Parks Foundation and/or the Ottawa County Parks staff if they feel your dog is dangerous or causing too much disruption.
Virtual 5K Run/Walk
Run or walk virtually! If you can't join us on June 24 but still want to support the Ottawa County Parks Foundation, this is a great way to do it! You can pick up your shirt and/or hat at the Nature Education Center at Hemlock Crossing Park in West Olive in July. We will email you when the shirts and hats are available for pickup. Thank you! Please take pictures of your run or walk and post them on our Facebook page. We ask that you complete your virtual race by August 1 at 10:30 pm.
Virtual 10K Run/Walk
Run or walk virtually! If you can't join us on June 24 but still want to support the Ottawa County Parks Foundation, this is a great way to do it! You can pick up your shirt and/or hat at the Nature Education Center at Hemlock Crossing Park in West Olive in July. We will email you when the shirts and hats are available for pickup. Thank you! Please take pictures of your run or walk and post them on our Facebook page. We ask that you complete your virtual race by August 1 at 10:30 pm.
Race date Weather
Conditions on June 24, 2023 — historical Open-Meteo data.
Course
Route map and elevation profile
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
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🏃 Plan Your Next Race in Jenison
Find upcoming events by distance:
- Jenison 5K Races 2 races
- Jenison Running Calendar 2026 2 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 2 Jenison events
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