Registration is now open for the Cinco De Kilometer 5k Fun Walk to benefit improvements to Creve Coeur Lake Memorial Park. The walk, put on by the St. Louis County Parks Foundation, will take place at Creve Coeur Lake Memorial Park on Friday, May 3 at 6 p.m. The walk will start at the Tremayne shelter located at the Sailboat Cove, 13725 Marine Ave., Maryland Heights, MO 63043. The walk will follow the trail alongside of the lake. Participants are encouraged to register by April 25 to receive a discounted registration fee and a commemorative 5K t-shirt. All walkers will be provided with a bib number and free drink after the walk. Registration is available for $15 for those 12 and under, and $30 for those 13 and up. Those prices increase to $20 and $40 after April 25. To register, visit stlcpf.org/5kwalk