Prize Purse of over $7,000 with 50+ riders per field

Race Day Registration opens at 7AM, Sunday May 19th

A fun and challenging Road Race on a rolling 22-mile course with an 18-mile repeated loop, winding through the beautiful rural landscape north of O’Fallon, Illinois; starting and finishing by Bike Surgeon in downtown O’Fallon, Illinois.

Click Here for the Official Race Flyer

Race Day Registration

Day-of registration will be available and open at 7:00am at O’Fallon Station, 212 E. 1st Street, O’Fallon, Illinois, right next door to Bike Surgeon O’Fallon. $55 per race. Registration will close 20 minutes prior to the start of each race. $20 entry fee for a racers second race available day of ONLY and as field sizes allow.


Set your GPS to 212 E. 1st Street, O’Fallon, IL, the brand-new O’Fallon Station, right next to Bike Surgeon. This is the location for primary parking. Secondary parking will be on residential surface streets (please do not park on 1st street) or at the American Legion Post at 109 N. Penn St. O’Fallon, IL. Volunteers will be on hand to direct you to the best parking.

Course Map:

Full Course Here.   Half Lap Here.  There is a always a chance the route will have to change the day of due to unforeseen issues.  Official final route will be available at registration if any changes are necessary.

USAC Licenses:

All Racers must possess a valid USA Cycling license. Annual and 1-Day license applications available race-day at registration. Or you can purchase an annual license now at www.usacycling.org. Held under USAC permit 2019-848.

Want to Volunteer to Help Out?

Click HERE to go to our Volunteer page and sign up!  HUGE THANKS!!


Original Gangsta Challenge

You got a squad, right? Bring the whole gang to the Original Gangsta OG ThrowDown Team Challenge. A super cool challenge for braggin’ rights for you and your homies.


This will separate the chumps from the champs, how many of your crew can you hustle up, the more of your squad that lines up, the more points you get. Numbers matter, but so does speed, think your outfit is faster than the rest, you get points for podiums too!

Scores will be completely team based and prizing will be HUGE!

How do you score?

•First up, Get in touch with Bike Surgeon at info@bikesurgeon.com for a custom hookup on your team’s registration $$’s!
•Second, get at least Five (5) of your team’s riders pre-registered online for the O’Fallon Grand Prix by 5/17/19 so your team is in on the OG Throwdown.


•20 Points for each member of your Team that toes the line at the O’Fallon Grand Prix
o 10 Bonus points for any of your team’s riders who race a second race the same day
•Podium points awarded for any podium secured by your team
o 1st 10 points
o 2nd 8 points
o 3rd 6 points
o 4th 4 points
o 5th 2 points
•Points will be tallied at the completion of the O’Fallon Grand Prix and the highest scoring team will take home the bling! Three completely custom 1.5KaratGoLdio Poly Carbonate Chains each with a custom one of a kind Original Gangsta Medallion

DO IT! Grab your entire squad, bring them all out for this great day of racing and WIN!






Questions??: Hit Bike Surgeon @ 618.622.1693 or info@bikesurgeon.com