The Holden Arboretum Trailblazer 5K

Race Overview: A race coming up on 09/14/2025 in Willoughby, OH. Get all the nerdy details below or follow the sign up links to secure your spot today!
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Race data last checked: 2026-01-19

Race Overview:

NOTE: This race has been postponed for 2025. Registered Runners should recieve an email shortly about Refunds

 

Lace up for a wildly scenic adventure at the Holden Arboretum. Every step comes with fresh air and forest views! Dogs welcome! 

 

COURSE INFO
Dog Friendly
Trail Course

 

DATE
Sunday, September 14, 2025

 

START TIME
8:00 a.m. – 9:00 a.m. – Race Day Registration and Packet Pick Up- The Holden Arboretum
9:00 a.m.- 5K Run Starts at The Holden Arboretum 

 

REGISTRATION
5K Run

$25 pre-registration until Thursday, July 31, 2025 at 11:59 pm
$30 after 11:59 pm on Thursday, July 31 until race morning

 

Packet Pick Up & Registration

Friday, September 12, 2025
4 pm – 6 pm
The Holden Arboretum

Sunday, September 14, 2025
8 am – 9 am
The Holden Arboretum

All mailed pre-registered entries must be received by Wednesday, September 10, 2025.

Please make checks payable to: Hermes Sports & Events

Mail entries to:
Hermes Sports & Events
2425 W. 11th Street, Suite 2
Cleveland, OH 44113

AWARDS
Top Male & Female finishers, plus top 3 male and female in each age group! (14 & Under, 15-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70 & Over)

FEATURING
Race T-shirt
5K run features MyLaps chip timing
Results will be posted live
Post-race refreshments and snacks
Free Admission into the Holden Arboretum after the race
  

REFUNDS AND TRANSFERS
Sorry, but all entries are non-refundable. Once we’ve received and processed your entry, you will not receive a refund, you may not give or sell your race number to other people, and entry fees are not transferable to the next year’s race or any other race.

For more information, contact Hermes Sports & Events at 216-623-9933 or roadracing@hermescleveland.com

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