Yankee Springs Township, Michigan · Saturday, October 3, 2026
The Yankee Springs Fall Festival is a 10k, 25k, 50k, and ultra event held on Saturday, October 3, 2026. It is located at Deep Lake Campground in Yankee Springs Township, Michigan.
Nestled in the heart of Middleville, Michigan, is the beautiful YMCA Camp Manitou Lin. It is one of the best venues in the area for tri-sport. A beautiful sandy beach start from the shores of Barlow Lake, to a breathtaking ride through the rolling hills of the surrounding countryside to an out & back run along the lakeshore, this is a must-do event for every triathlete. Positioned as a boutique event, entry is limited so we can offer great SWAG for everyone, generous transition space and cash prizes not only for the winners but also for 2 lucky random drawings. And the proceeds from this event supports local nonprofit myTEAM TRIUMPH West Michigan Chapter. Join us as we celebrate ability together! We remain committed to create a VIP experience just for YOU! Watch this spot or follow us on Facebook for the latest updates!
Join us for the Heatwave Half Marathon, 10K, & 5K!
A sun-soaked summer challenge that’s perfect for the whole family.
The fun includes –
Great Swag – designer shirt & custom medal
Chip-timing with live results and awards
Free photos
FREE ice cream at the finish to help you cool off
Plenty of hot fun in the summer sun!
Grab your friends and family—you won’t want to miss this one!
Can’t make the race? No problem! We offer a virtual race option where you can run anywhere, at any time, and still earn the fun swag!
Youth-based pricing is available: ages 12 & under are only $17!
Half Marathon/10K/5K registration includes a custom bib, designer shirt, and an awesome finisher medal!
1 Mile registration is untimed and includes a custom bib, designer shirt, and an awesome finisher medal!
Kid’s Dash is a fun, untimed dash for ages 10 and under. Registration includes a mini bib, youth-sized shirt, and a specially crafted medal for our youngest runners! (If your child wants to run the kid’s dash without swag, they’re welcome to run free on race day!)
Register by midnight on Thursday, two Thursdays before race day, to guarantee your shirt!
Join us Saturday, August 1, 2026 for the Green Lake 5K run/walk and Kids' 1 Mile Fun Run.
Register before Thursday, July 23rd to be guaranteed a shirt. Online registration closes Thursday, July 30th at 5:30 PM.
Early packet pickup and in-person registration will be available at the Leighton Township Fire Department on Friday, 7/31, from 5:30 - 7:30PM. Race day morning packet pick up and in-person registration starts at 7 AM (race-day registration closes at 7:55AM). While there is in-person registration, we HIGHLY recommend registering in advance to avoid the chaos of in-person registration.
The Kids 1 Mile Fun Run starts at 8:00 AM.
The 5K starts at 8:30 AM.
Corewell Health Pennock Wellness Center is pleased to invite you to the annual Summerfest Run on Saturday, August 29, 2026 at 8:00 a.m.
Celebrate health, wellness and a beautiful morning before you and your family head on to Summerfest festivities in Hastings throughout the day.
Your participation and support can make a significant impact, as all proceeds will go to the Corewell Health Foundation at Pennock Hospital to reinvest in programs offered through the Pennock Wellness Center.
Through participating in this event, you are helping to expand Wellness Center programs like Momentum, which helps patients regain mobility and strength. Additionally, your support will help us add equipment to strengthen our community and prevent injuries, both at home and work. You also enable us to offer the Kids's Fun Run at Summerfest free of charge, fostering healthy habits from a young age.
Race Details
Saturday, August 29, 2026
5K Run/Walk – 8:00 a.m.
Kids FREE 1-mile Fun Run – 9:00 a.m. (includes a FREE shirt for the kiddos)
Race Day Headquarters
Thornapple Plaza
301 E. State Street
Hastings, MI 49058
Registration Costs
5K Race: $35, after 8/1 - $40
Packet Pick-Up and Late Registration
Friday, August 28th
Corewell Health Pennock Wellness Center 1005 W. Green St. Hastings, MI 49058 Care Center B
3p.m. to 6:00 p.m.
Day of Packet Pick-Up and Late Registration
Saturday, August 29
Thornapple Plaza
301 E. State Street
Hastings, MI 49058
5K: 7a.m. - 7:45a.m.
Kids FREE 1-mile Fun Run: 7:45a.m. - 8:45 a.m.
Why not start your Saturday with a nice little shake-out run before your bike race? We are pleased to announce the newest addition to Dirtfest Weekend, the Dirty Mitten Trail Run!
This 5k course features the single track, fields, and gravel roads at YMCA Camp Manitou-Lin in Middleville, MI.
Complete The Dirty Mitten Trail Run, The Dirty Mitten Gravel Bike Race, and the Dirty Mitten Gravel Triathlon, and you will be one of the elite few who can say they tackled the Greenleaf Trust Trifecta! What does that mean you ask? Aside from a lifetime of bragging rights, we will also add an awesome piece of swag to help sweeten the pot. Signup today!