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

Aug 15 Sat
IOS #141 Oswego Open (MPO/MA2/MA4/FA2/FA4/MA40) PDGA C/B-tier · Sat, Aug 15, 2026 Eagle Ridge / Civic CenterOswego, IL 16 / 1052
C/B-tier
Aug 16 Sun
IOS #141 Oswego Open (All Others) PDGA C/B-tier · Sun, Aug 16, 2026 Eagle Ridge / Civic CenterOswego, IL 23 / 1052
C/B-tier
Sep 12 Sat
IOS #142 Northwood Open - MPO/MA2/MA4/FA2/FA4/MA40 PDGA B-tier · Sat, Sep 12, 2026 Northwood ParkMorton, IL 3 / 902
B-tier
Sep 13 Sun
IOS #142 Northwood Open (All Others) PDGA B-tier · Sun, Sep 13, 2026 Northwood ParkMorton, IL 5 / 902
B-tier
Oct 4 Sun
IOS #143 Illiana Open PDGA B-tier · Sun, Oct 4, 2026 Lemon Lake County ParkCrown Point, IN 12 / 2162
B-tier

Leagues

No current leagues listed.

About

Staff Contact ›

Scott Pitner Tournament Director Emeritus
Mike Krupicka Tour Director
Nate Heinold Tournament & Merchandise Director