About This Event
The Wellesley Hills Junior Women's Club (WHJWC) is pleased to present its annual Wonder Run 5K & Kid's Fun Run on Sunday, May 17, 2026! The Wonder Run is a celebrated part of Wellesley's Wonderful Weekend. This family-friendly event promises a day of fitness, fun and community spirit. The Wonder Run 5K is a USATF-certified course, offering a scenic route through Wellesley, starting and finishing at the high school track. We anticipate hundreds of participants and great community support again this year. Whether you’re running, walking, cheering, or donating, everyone is welcome to join in the excitement!
Proceeds generated from the Wonder Run directly support scholarships for deserving local students and grants to organizations and programs that provide education, enrichment, and essential services to our local population.
Registration Deadline & Fees
Early Online Registration: $40 Wonder Run, $20 Kids Fun Run; plus applicable fees. Early Online Registration closes May 10th, one week prior to the race.
Week of / "Coming in Hot" Registration: $50 Wonder Run, $25 Kids Fun Run (plus applicable fees).
Kids Fun Run registration is capped at 200 participants.
Bib Number Pick-Up
Check back soon for more information!
Wonder Run Course | 8:00am start
The Wonder Run is a USATF-certified 5K road race through scenic Wellesley, starting and finishing at the Wellesley High School track. Racetime will begin promptly at 8:00am. All runners and walkers are welcome! Kids of all ages are welcome to sign up for the 5K race as well.
Kids Fun Run Course | 9:00am start
The Kids Fun Run will take place at 9:00am. This year’s event will feature two races based on age group.
Kids ages 6 and under will kick off the event with a 1 lap race around the track.
Kids 7-10 years-of-age will follow, racing 2 laps around the track.
If your child loves to run, they are welcome to sign-up for the 5K instead of the Fun Run. The Wonder Run is fun for the whole family!
Race Sponsors
This event could not be possible without the generous donations of our Race Sponsors. Thank you to Heroes Fitness, this year’s Headline Sponsor, for your continued commitment to WHJWC, the Wonder Run, and our local community. Check back soon to learn more about this year’s sponsors.
Parking
Parking will be available at Wellesley High School (50 Rice Street) and at metered parking spaces along Route 16.
Registration fees
Prices are inclusive of mandatory charges, items, and fees
5K USATF Certified Race | 8AM start Spots remaining: 473
Kids Fun Run | 9AM start Spots remaining: 166
Lace Up for the Views: USATF-certified 5K Through Wellesley’s Scenic Streets

Contact information
- Event contact
- Kristina and Sarah, Wonder Run Event Chairs