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VELO COSMOS
BICYCLE LIFESTYLE, ART & HISTORY


at the Holbrooke Hotel in
Grass Valley, CA

January 16th - 18th 2026

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  • Bicycle Exhibition & Concours d’Elegance 

 

  • Bicycle Art

 

  • Swap Meet

 

  • Group Rides

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  • Famous Guests and Industry Legends

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  • Presentations and Guest Speakers

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  • Kids Coloring and Jewelry Making

 

  • World Class Food, Bar & After-Party

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  • Custom Awards for Concours Winners

 

  • Vendors

 

  • Raffle with Great Prizes to Win  

 

  • Historic Venue

THE VENUE

 

For a third consecutive year, Dirty Sundays is partnering again with the Holbrooke Hotel, to bring this exciting event back to our small Victorian Town in Grass Valley, CA.

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The Holbrooke Hotel is a newly renovated California State Landmark with a 170 year old history that started with the Gold Rush era.

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Grass Valley, CA has transformed from a rough mining town to a modern, beautiful place for the whole family, while still preserving its authentic charm and characteristics. 

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Use Promo Code VELO15 to get 15% off!

(Offer only available for a 3 night stay)​

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EVENT GOALS

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Our long term goal is to create gatherings where all kind of cyclists - or future cyclists of all ages, can meet and learn about the exciting culture and history on two wheels.

 

Showcasing bicycle themed art and giving guests the opportunity to directly purchase from our amazing vendors.

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We also like to connect visitors with our variety of bike trails, stunning nature and historical towns.

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Cycling is a lifestyle, like a family on two wheels and we'd love to have you join us!

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EVENT SCHEDULE 2026

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FRIDAY, January 16

12.00 pm - 06.00 pm - Set up Bikes for Concours Exhibition

06.00 pm - 09.00 pm - Bicycle Concours d'Elegance Exhibition open

06.00 pm - 08.00 pm - Dinner at the Concours Exhibition Room â€‹

08.00 pm - 09.00 pm - Presentation Bicycles Concours d'Elegance

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SATURDAY, January 17

08.00 am - 08.00 pm - Bicycle Concours d'Elegance Exhibition open

10.00 am - 12.00 pm - MTB / Gravel ride from The Holbrooke Hotel

12.00 pm - 02.30 pm - BBQ at the Outside Patio

12.00 pm - 06.00 pm - Vendors

12.00 pm - 06.00 pm - Kids Table with Bike Coloring Templates

03.00 pm - 04.00 pm - Presentation from Debra Banks "Iron Door" Bar

04.00 pm - 05.00 pm - Presentation from Julie Gavrilis "Iron Door" Bar

05.00 pm - 06.00 pm - Presentation from Chelsea Kimball "Iron Door" Bar

08.00 pm - 11.00 pm - After-Party at the Holbrooke "Iron Door" Bar

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SUNDAY, January 18

08.00 am - 06.00 pm - Bicycle Concours d'Elegance Exhibition open

09.00 am - 12.00 am - Swap Meet

10.00 am - 11.30 am - Road Ride led by Camellia City Vintage L.C.C.

10.00 am - 11.30 am - MTB ride led by SAC FROM THE DEAD 26"

10.00 am - 06.00 pm - Vendors

12.00 pm - 04.00 pm - Kids Bike Jewelry Making with Miners HS MTB Team

02.00 pm - 03.00 pm - Presentation from Robin Farina "Iron Door" Bar

03.00 pm - 04.00 pm - Presentation from Jacquie Phelan "Iron Door" Bar

05.00 pm - 06.00 pm - Concours d'Elegance Awards 

06.00 pm - 08.00 pm - Tear Down 

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SUNDAY, January 19

MLK Holiday

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RAFFLE AND VOTING TICKETS

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Buy raffle tickets for $5 each to support the future of our event and the chance to win a weekend at The Holbrooke Hotel and other prices!

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The Raffle Ticket will also get you a Voting Sheet where you can determine your favorite bikes.

Voting will open on Friday, January 16 at 6pm and close on Sunday, January 18 at 4pm.

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Winners will be drawn after the Concours d'Elegance awards. (5-6pm on Sunday 18th).

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The entrance to the Hotel, Exhibition and Presentations is free, so are the group rides!

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INFO FOR EXHIBITORS AND VENDORS

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CONCOURS D'ELEGANCE:

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We'll have 50 display spots available for bicycles of different styles. 

Categories will be determined before the event. (Road, MTB, Cruiser, BMX, Race, Modern Handbuilt etc)

Bicycles should be in complete and original or period correct condition, custom bikes are allowed (example: old frame with modern parts).

Please clean your bicycle, unless the dirt and patina are part of their history.

Best bicycle of each category will be determined by a jury.

Category winners will receive a custom hand-made award.

People's choice award for best bike overall will be determined by public voting.

 

Please bring your own bike stands!

 

Price is $20 per bike.

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VENDORS:

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Indoors:

We're looking for any kind of art, made with bicycle parts or that are bicycle themed.

Jewelry, Paintings, Drawings, Stickers, Sculptures, Lights, Clocks, Clothes, Belts, Bags, Patches, Hats etc.

Indoor Vendor space is limited to one 4ft to 6ft table maximum and/or 1-2 display panels.

Max. 10 Vendors inside the Hotel Lobby and Restaurant.

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Outdoors:

Bikes and EZ-UP's will be at the Outside Patio or Parking Lot if necessary.

In case of really bad weather we will open the downstairs bar for Outdoor Vendors.

Outdoor Vendor space is max. 10x10.

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Price is $75 per booth (indoor or Outdoor)

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SWAP MEET:

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Outdoors in the Parking Lot.

Please contact us and let us know that you're participating, so we can plan accordingly.

Try to keep your items limited to vintage, collectible parts, although modern parts can be displayed as well. Don't bring "Walmart bikes" or similar low quality items.

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Please e-mail for any further questions.

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EVENT PARKING

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Please note that the Holbrooke Hotel parking lot is reserved for Hotel guests only!

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Vendors and Exhibitors will be able to use the parking lot temporarily during unloading and loading.

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Use the following address to enter parking lot: 

119 N Church St, Grass Valley, CA 95945

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There are public parking lots in walking distance

(marked in yellow on the map).

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On-street parking in close proximity to the Hotel is available as well. â€‹â€‹

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@ dirtysundays 2015-2026. All rights reserved

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