The Chainlink

#OptOutside at Big Marsh


#OptOutside at Big Marsh

Time: November 25, 2016 from 10am to 3pm
Location: Calumet's Big Marsh
City/Town: Chicago, IL
Website or Map:…
Event Type: opening, big marsh, big marsh bike park, trail day, cyclocross, cx, bike trail, prep work
Organized By: Friends of Big Marsh & The Bonebell
Latest Activity: Nov 21, 2016

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#OptOutside on Black Friday by joining Friends of Big Marsh and partners for the inaugural race at the newly completed BIG MARSH BIKE PARK! 

This race is a fundraiser with all proceeds benefitting Friends of Big Marsh for continued buildout of park features.

Start the day by experiencing a free walking tour of the park highlighting its history, ecology, features, bike access, & discussion of future phase buildout. 

Strap on your helmet (required for riders) and race through the park on a variety of the expert-designed features! There are race categories for all skill levels (including kids and first-timers) of an approximate 1.5 mile course based on skill level. Races are suitable for any type of off-road worthy bike (cyclocross, mountain, fat bike, bmx, dirt jumper, etc).


  • 5 second race lead for purchase of a Big Marsh cycling kit #bigmarshstyle
  • 10 second race lead for general donation of $100 or more #buildbigmarsh
  • 20 second race lead for chainring donation by an individual #putaringonit

Donate or purchase a chainring here:
Big Marsh Cycling Kits can be purchased here:

  • Pre-registration is requested for the walking tour, and preferred for all races. Race day registration will be available. 
  • Existing owners of Big Marsh cycling kits may wear them on race day for a 5 second race lead.
  • Previous individual chainring donors will receive a 20 second race lead - and special recognition at the starting line!
  • Bring cash on race day as we will be holding a fundraising raffle of high end sponsor goods, and we're arranging for onsite food vendors (will announce when confirmed). 
  • All participants will receive a goody bag from our generous event sponsors. 
  • List your intention to #OptOutside @ BIG MARSH here:
  • Use the hashtag #OptOutsideBigMarsh in your social media

Register here by 11/22

Photo by John Gatto

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