2027 Crystal Lake Half Marathon & 12K Logo

2027 Crystal Lake Half Marathon & 12K

Sun, Sep 5, 2027
In 307 days
Crystal Lake, IL
300 Lakeshore Drive

On this date: rain 1 of the last 10 years

2026

68–80°F

dry

2025

52–63°F

dry

2024

63–85°F

dry

2023

74–89°F

dry

2022

63–72°F

dry

2021

60–79°F

dry

2020

62–78°F

dry

2019

55–72°F

dry

2018

68–85°F

rain

2017

53–65°F

dry

Best months to race in Illinois →

Countdown and forecast for this race in the appGet app ›
QR code for the Find The Run iPhone app
Take this race with you
Scan to get the iPhone app: countdown, forecast and your saved races.

About this race

WELCOME!

We are excited to present the 7th Annual Crystal Lake Half Marathon & 12K on Sunday, September 5, 2027.

Event Details

  • Date: September 5, 2027
  • Location: 300 Lakeshore Drive, Crystal Lake, IL
  • Start Times: 7:30 a.m. - Half Marathon, 8:00 a.m. - 12K (7.44 miles)
  • Course Highlights: Iconic Crystal Lake Main Beach, Lippold Park, Dole Mansion, Prairie Path, and downtown Crystal Lake

Race Experience

  • Transportation: Buses will transport runners to the START, just a 5-minute ride
  • Facilities: Indoor and beach-side warm-up areas are available
  • Hydration: Water stations every 1.5 miles and fueled aid at select locations
  • Post-Race: Enjoy a beverage ticket and food ticket at the Smith Running Academy After Party

Other Important Information

  • Restrooms: Located at the start, Mile 5, Mile 11, and Finish Line
  • First Aid: Available throughout the course
  • Course Safety: Marked with turn arrows and course marshals
  • Awards: Age group awards for top finishers at the After Party

Packet Pick-Up Information

All days/times are race week only (9/3-9/5).

Race Day Schedule

The Half Marathon Course is USATF Certified!

After Party Information

  • Opening Time: Depot Park opens at 8:30 a.m. for spectators
  • First Finishers: Expected around 9:00 a.m.
  • Awards Ceremony: Approximately at 10:30 a.m.
  • Food and Drink: Provided tickets attached to bibs for racers

Kids Run This Town

Do you have an elementary aged kiddo who loves to run? Here's their chance to run their own Half Marathon! This 4-week program challenges kids to run 12 miles over 4 weeks with a running buddy. On race day, they run their 13th mile and earn their Half Marathon finisher medal.

Sponsorship Opportunities

Interested in sponsoring the Crystal Lake Half Marathon? Contact Melissa at [email protected] or click HERE for more info.

Race URL

For more information, visit here.

Course map

Your race? Boost it to #1 in every search, $1/day →

Suggested Races

Chilly Chili 2K

Schaumburg, IL

Saturday, December 5th, 2026

View details for race Chilly Chili 2K
Kick'n The Kilt 5K & 8K logo

Kick'n The Kilt 5K & 8K

St. Charles, IL

Saturday, March 20th, 2027

5K
View details for race Kick'n The Kilt 5K & 8K
2027 Mother's Day 5K Run/Walk logo

2027 Mother's Day 5K Run/Walk

St. Charles, IL

Saturday, May 8th, 2027

5K
View details for race 2027 Mother's Day 5K Run/Walk
The Longest Day Run logo

The Longest Day Run

Geneva, IL

Saturday, June 19th, 2027

5K
10K
View details for race The Longest Day Run
Running of the Elves....A Very Merry Huntley Event logo

Running of the Elves....A Very Merry Huntley Event

Huntley, IL

Saturday, December 5th, 2026

5K
View details for race Running of the Elves....A Very Merry Huntley Event
West Chicago Step Into Spring 5K logo

West Chicago Step Into Spring 5K

West Chicago, IL

Saturday, April 10th, 2027

5K
View details for race West Chicago Step Into Spring 5K
Hillstriders March Madness Half Marathon logo

Hillstriders March Madness Half Marathon

Cary, IL

Sunday, March 14th, 2027

10K
View details for race Hillstriders March Madness Half Marathon
Chilly Chili 5K/2K logo

Chilly Chili 5K/2K

Schaumburg, IL

Saturday, December 5th, 2026

5K
View details for race Chilly Chili 5K/2K
Thanksgiving Day 5K Run and Walk logo

Thanksgiving Day 5K Run and Walk

Crystal Lake, IL

Thursday, November 26th, 2026

View details for race Thanksgiving Day 5K Run and Walk
McHenry County Santa Run For Kids logo

McHenry County Santa Run For Kids

Crystal Lake, IL

Sunday, December 6th, 2026

5K
View details for race McHenry County Santa Run For Kids
Geneva Park District's Super Shuffle 5K logo

Geneva Park District's Super Shuffle 5K

Geneva, IL

Sunday, February 14th, 2027

5K
View details for race Geneva Park District's Super Shuffle 5K
Frozen Oaks 5K logo

Frozen Oaks 5K

West Dundee, IL

Saturday, February 6th, 2027

5K
View details for race Frozen Oaks 5K
Arlington Heights Turkey Trot logo

Arlington Heights Turkey Trot

Arlington Heights, IL

Thursday, November 26th, 2026

5K
View details for race Arlington Heights Turkey Trot
Rotary Santa Run Walk & Reindeer Dash logo

Rotary Santa Run Walk & Reindeer Dash

Arlington Heights, IL

Saturday, December 5th, 2026

5K
View details for race Rotary Santa Run Walk & Reindeer Dash
Dash for the Dogs 14th Annual 5K Run/Walk logo

Dash for the Dogs 14th Annual 5K Run/Walk

Barrington, IL

Sunday, May 16th, 2027

5K
1 Mile
View details for race Dash for the Dogs 14th Annual 5K Run/Walk
Ross Bogue Memorial Run the Hills 5k logo

Ross Bogue Memorial Run the Hills 5k

Barrington Hills, IL

Saturday, June 5th, 2027

5K
View details for race Ross Bogue Memorial Run the Hills 5k
Barrington Mother's Day 5K Run/Walk logo

Barrington Mother's Day 5K Run/Walk

Barrington, IL

Sunday, May 9th, 2027

5K
View details for race Barrington Mother's Day 5K Run/Walk

Ugly Sweater Dash 2026

Bloomingdale, IL

Sunday, December 6th, 2026

View details for race Ugly Sweater Dash 2026

Carol Stream Veterans 5K Walk/Run

Carol Stream, IL

Sunday, November 8th, 2026

5K
View details for race Carol Stream Veterans 5K Walk/Run
2nd Annual Duke's Alehouse Spirits Run logo

2nd Annual Duke's Alehouse Spirits Run

Crystal Lake, IL

Sunday, April 11th, 2027

5K
10K
View details for race 2nd Annual Duke's Alehouse Spirits Run

Organize this race?

Claim it free to manage your listing — and get it featured for free, while spots last.

Find The Run Newsletter