(KMOV.com) -- The three day, 50 mile walk to benefit the Gateway Multiple Sclerosis Society will step off from the Washington University campus in St. Louis Friday morning.
The walk starts at 8 a.m. and 200 people are expected to participate. This year marks the 11th consecutive year for the benefit.
Most of those who walk have a friend or loved one with MS. They'll walk 20 miles on Friday and Saturday and then finish the 50 mile journey with a 10 mile trek on Sunday.
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