Tuesday Night Twilights

April - Sept, 2020



Tuesday Night Twilight 2020 Schedule

April 14, 21 | May 5, 12, 19 | June 2, 9 | August 25 CX | September 8 CX

Nightly Schedule - New schedule for 2020!

Road races

5:30 to 5:55 pm: Mentor Training

25 min - Coaches present. All racers who want to learn how to crit

6:00 to 6:30 pm: C Race/Junior Race

30 min - Coaches present. Intended for Cat5 & new racers (including women)

6:35 to 7:10 pm: Women/B Race

35 min - No coaches. Intended for all Women and Cat3 & 4 Men

7:15 to 8:00 pm: A/Elite Race

45 min - No coaches. Intended for Cat2 & 3 and Pro, 1 & 2

CX races

5:30 to 6:30 pm: Clinic

60 min - All racers who want to learn how to cyclocross

6:35 - 7:10 pm: B Race

35 min - No coaches. Intended for Cat3, 4 & 5

7:15 - 8:00 pm: A Race

45 min - No coaches. Intended for Pro, 1 & 2


All races are at the Sonoma County Fairgrounds.

No license required.


In the event of rain, the road race events will be cancelled; wet pavement doesn't make for safe racing. But cyclocross races are still on, because mud pairs very well with CX.


We need volunteers for this event! If you can help us run this event please shoot an e-mail to javier_sanchez@keysight.com.


Registration is OPEN! Online or onsite; The last two dates on the calendar are CYCLOCROSS FORMAT!

Register for SoNoMas

Registration for SoNoMas opens on January 1st and is $79 per rider ($59 for the Little Piggy). For that you get stocked and staffed aid stations, a categorized competitive race environment on well-marked and technically demanding singletrack, a traffic-controlled mass-start, an amazing prize list, cash payouts for pro racers and a huge post-race meal to bring you back from whatever cave you found yourself in.