In 202 days · Sun, Apr 25, 2027
Don't let race day sneak up
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Sunday, April 25th, 2027
69 S River St, Janesville WI
Marathon · Half · 10K · 5K
40–59°F · some rain risk
See last 10 years
On this date: rain 1 of the last 10 years
2026
45–65°F
dry
2025
46–59°F
dry
2024
30–57°F
dry
2023
34–48°F
dry
2022
39–49°F
dry
2021
34–49°F
dry
2020
39–50°F
dry
2019
42–69°F
rain
2018
38–55°F
dry
2017
50–71°F
dry
Best months to race in Wisconsin →
Race-day forecast says layers
40°F at the start.
Gloves, ear warmers, throwaway layers, hand warmers — delivered before race day.
About this race
JOIN US FOR THE 5TH ANNUAL RUN THE ROCK MARATHON
NEW HALF MARATHON & FULL MARATHON ROUTES!
All proceeds will be donated to the Isaac Strong Foundation to help children currently fighting cancer. All participants will receive a commemorative event shirt & finisher medal. Shirts guaranteed until 4/8/27 Professional race timing provided by Velocity Multi-Sport & Cycling Start Times
Full Marathon 7 am start1/2 Marathon 7:15 am start
5K & 10K 8 am start Isaac's Super Dash & 2 Mile Family Run/Walk 8:15 am start
Race Cutoff Time is 12:30 pm
ROUTE INFORMATION
You'll begin your race in beautiful downtown Janesville on Festival Street.Routes will be posted as soon as they're finalized and approved by the City of Janesville
5K Route
Packet Pick-Up
Saturday 12 pm - 3 pm
Jaysen Jorgensen State Farm Insurance Agency 1341 N. Wright Rd. Janesville, WI 53546 Available Parking- State Farm Parking Lot
- Velocity Multi-Sport & Cycling Parking Lot
- Along the street on both sides
Sunday 6 am - 8 am (at the Start/Finish Line)
Downtown Janesville Festival Street 69 S. River Janesville, WI 53548Event Day Public Parking Lots
(click a listing below to view a Google Map. The start line is on S River in front of the YMCA)
W Milwaukee St/N Jackson St Public Parking Lot
S Franklin & W Milwaukee St Public Parking Lot
City Hall Parking Lot
Dodge St Public Parking Lot
South High Street Public Parking Lot
S Main St Public Parking Lot
Main St/Wall St Public Parking Lot
Parker & Wall Public Parking Garage
E Wall St South Public Parking Lot
E Wall St East Public Parking Lot
E Wall St North Public Parking Lot
W Holmes St Public Parking Lot
Aid Stations
Will be posted as soon as the routes have been finalized
Bathroom Locations on Route
Updates comingAwards
Awards will be given to the top 3 male & female finishers in each distance. Awards will take place at Festival Street at the start/finish line- 5K Awards at 9 am
- 10K Awards at 9:30 am
- Half Marathon Awards at 10 am
- Full Marathon Awards at 11 am
Course map
Train with a club
Run clubs near Janesville to train with before race day.
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