Red Peloton presents the TNT Criterium Series in Santa Rosa, California, held on select Tuesday nights throughout the racing season. You do not need a license to race in TNT. There are races for all levels of riders, from beginners who want to learn the basics in the Mentor Training Race to the Elite A Race which includes top riders from the region including pros at some races. Photo by Steven Curtis.
Tuesday Night Twilights (TNT!) Criteriums
A Northern California Bike Race Series Presented by Red Peloton
Sponsored by
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The TNT’s have been a staple of the North Bay for more than 20 years.
Red Peloton is proud to have taken over stewardship as the primary force behind the continuation of this amazing series.
Special thanks to Sonoma County Event Center at the Fairgrounds for supporting the TNT Criterium and Sonoma County bike racing!
Tuesday Night Twilight 2025 Schedule
The 2025 season will have 11 races at the Sonoma County Fairgrounds
The TNT criterium series is an annual bike racing series that is a Sonoma County tradition. Now presented by Red Peloton bike racing team and cycling club at the Sonoma County Fairgrounds April through September. 2024 TNT poster design by Jeff Braunstein.
April – September 2025
DATES:
April 1, 22
May 6, 13, 20
June 3, 10, 17
August 19, 26
September 9
No racing license required.
Rain
In the event of rain, the road race events will be cancelled; wet pavement doesn’t make for safe racing. Rained out dates may be rescheduled. Visit this page for updates.
Nightly Schedule
NOTE: There have been multiple updates to the TNT schedule for 2025, including adding a Women’s Race as well as a Women-specific Mentor ride at the same time as the standard Mentor Ride, but on a separate part of the course!
5:20 to 5:40 pm: Mentor Training
20 min – Coaches present. All racers who want to learn how to crit.
5:20 to 5:40 pm: Women’s Mentor Training
20 min – Coaches present. All women racers who want to learn how to crit (held on a separate part of the course).
5:45 to 6:05 pm: C Race
20 min – Coaches present. Intended for Cat 5 & new racers.
6:10 to 6:35 pm: Women’s Race
25 min – No coaches. Women racers of all skill levels welcome!
6:40 to 7:10 pm: B Race
30 min – No coaches. Intended for Cat 3 & 4 Men
7:15 to 7:50 pm: A Race
35 min – No coaches. Intended for Cat 2 & 3 and Pro, 1 & 2
* Race durations may be adjusted to longer or shorter based on daylight availability.
Women’s criterium podium at Tuesday Night Twilights criterium bike race series in Northern California.
Longtime Red Peloton member and leader – including past President – Javier Sanchez competing at Tuesday Night Twilights criterium series. Javi has played a critical role in the continuation of many Northern California cycling events including TNT.
Location
All races are at the Sonoma County Fairgrounds.
Park in the Northeast parking lot off Bennett Valley Road or by entering Gate 4 off of Brookwood Ave.
Registration
Registration is OPEN!
Registration through Bike Monkey
Volunteers
Volunteers are vital for the success of bike racing! If you can help us run this event please contact us.
Volunteer help is needed with:
- Corner marshaling
- 1. Set up and tear down
- 2. Advertising, and equipment maintenance
