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Byron Rocks 5k & 10k - Run it. Walk it. Ruck it.

Byron, Illinois, United States

calendar_today 01 May, 2027

directions_run Running

sell $40.00 – $55.00

About the Event

Byron Racks 5K & 10K is a family-friendly community race welcoming runners, walkers, and ruckers of all abilities. Whether you’re chasing a PR, enjoying a fun walk with friends, or carrying weight for an extra challenge, this event is about movement, community, and hometown pride.

Divisions: 5K Run/Walk • 10K Run/Walk • 5K Ruck • 10K Ruck

Course: Same course for run/walk and ruck divisions

Timing: All participants will be timed.

Important: Ruck participants must carry required weight for the full distance and post-check is not required—weight will be verified before the start.

Awards will be as follows: 5K & 10K - Overall male and female winners. 1st, 2nd, & 3rd for male and female age categories: 15 & under, 16-19, 20-29, 30-39, 40-49, 50-59 and 60 & over. *Ruck awards will be separate with same layout as the runs.

Please contact the Byron Chamber of Commerce at office@byronchamber.com or (815) 234-5500 with any questions or comments. The event will be held Saturday May 02, 2026. Registration and check-in begin at 7:00 a.m. and run/walk start time is 8:00 a.m. Registration, check-in, start, and finish will be located in the Byron City Hall Parking Lot, 232 W 2nd Street, Byron, IL 61010.

*Must register by April 13th to guarantee a Byron Rocks t-shirt.

A Special Thank you to Racing Expectations who will be our timer for this years event.

Races Offered

10k

May 01, 2027

straighten

Distance — 6.2 Miles

terrain

Type — Running

timer

08:00

sell

$50.00

5K Ruck

May 01, 2027

straighten

Distance — 3.1 Miles

terrain

Type — Running

timer

08:00

sell

$45.00

5k

May 01, 2027

straighten

Distance — 3.1 Miles

terrain

Type — Running

timer

08:00

sell

$40.00

Ruck 10K

May 01, 2027

straighten

Distance — 6.2 Miles

terrain

Type — Running

timer

08:00

sell

$55.00

Weather History

These values represent the 3-year monthly averages for May in Byron.

thermostat Temperature

10.2° / 22.2°

wb_sunny Feels like

7.1° / 19.5°

light_mode Avg sunshine hours

11h 7m

water_drop Avg rainfall

2.2 mm

ac_unit Avg snowfall

—

air Avg wind speed

12.7 km/h (Gentle breeze)

opacity Sweat loss rate

Moderate

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

High (6.0)

humidity_mid Humidity

62.4%

wb_twilight Sunrise

05:35

nightlight Sunset

20:11

About Byron

Learn more about the host city, Byron.

Byron is a city in Ogle County, Illinois, United States, probably best known as the location of the Byron Nuclear Generating Station, one of the last nuclear power plants commissioned in the United States. Byron is located in Byron Township, along the Rock River. The population was 3,753 at the 2010 census, up from 2,917 at the 2000 census. The town bills itself as the "Gateway to the Rock River Valley".