Sign In
Sign Up
Tournaments
Leagues
Courses
Clubs
Series
Contact
Help
Clubs
Illinois Open Series
Est 2003 · Round Lake, IL
About
Tournaments
Leagues
Members
Comments
News
Contact
More
News
Contact
Illinois Open Series
Established 2003
illinoisopenseries.com
Home courses (5)
Lemon Lake County Park
Crown Point, IN
Eagle Ridge / Civic Center
Oswego, IL
Anna Page Park
Rockford, IL
Fairfield Park
Round Lake, IL
Sinnissippi Park
Sterling, IL
Tournaments
May
2-3
Sat-Sun
IOS #137 Forest City Frenzy presented by Discraft
PDGA A-tier · Sat-Sun, May 2-3, 2026
Anna Page Park
Rockford, IL
58 / 288
4
A-tier
May
23
Sat
IOS #138 Case Jackson Memorial (MPO/MA2/MA4/FA2/FA4/MA40) Presented by Discontinuum and Play It Again Sports Mundelein
PDGA B-tier · Sat, May 23, 2026
Fairfield Park
Round Lake, IL
2
Wed, Mar 4 at 7:00pm CST
B-tier
May
24
Sun
IOS #138 Case Jackson Memorial (All Others) Presented by Discontinuum and Play It Again Sports Mundelein
PDGA B-tier · Sun, May 24, 2026
Fairfield Park
Round Lake, IL
2
Wed, Mar 4 at 7:00pm CST
B-tier
Jun
13
Sat
IOS #139 Sinnissippi Open in cooperation with Rock River Disc Golf (MPO/MA2/MA4/FA2/FA4/MA40)
PDGA B-tier · Sat, Jun 13, 2026
Sinnissippi Park
Sterling, IL
2
Wed, Mar 4 at 7:00pm CST
B-tier
Jun
14
Sun
IOS #139 Sinnissippi Open in cooperation with Rock River Disc Golf (All Others)
PDGA B-tier · Sun, Jun 14, 2026
Sinnissippi Park
Sterling, IL
2
Wed, Mar 4 at 7:00pm CST
B-tier
Jul
10-12
Fri-Sun
IOS #140 Forsyth Open presented by Discraft
PDGA A-tier · Fri-Sun, Jul 10-12, 2026
Forsyth DGC
Forsyth, IL
3
Sun, Mar 1 at 6:00pm CST
A-tier
More tournaments ›
Leagues
No current leagues listed.
About
Staff
Contact ›
Scott Pitner
Tournament Director Emeritus
Mike Krupicka
Tour Director
Nate Heinold
Tournament & Merchandise Director
×
We use cookies to improve user experience.
Allow All
Only Necessary
Policy ›
Hello!
We are retiring the "Classic" desktop version of Disc Golf Scene. You may continue to use the Classic version for a short time.
Ok
Use Classic version