RACE REGISTRATION, MARCH 2-31

Healdsburg: Register for the Healdsburg Running Company’s 5K and 10K Rio Lindo Trail Run along the Russian River on the Rio Lindo Adventist Academy property on April 2. $50 for the 5K and $60 for the 10K runs. Race day registration is $60 and $70. Races begin at 9 a.m. Register at healdsburgrunningcompany.com and call 707-395-0372.

NATURE WALKS, MARCH 4

Glen Ellen: Guided nature walks on Saturdays through Spring begin at Bouverie Preserve, 13935 Sonoma Highway about six miles north of Sonoma. The 2- to 5-mile walks through oak and evergreen woodlands and grassland are 9:30 a.m. to 1:30 p.m. $20 for non-members. Reservations are first come, first served at rsvp@egret.org and may be made a month in advance. Call 707-938-4554 or visit bouverie@egret.org.

INCREDIBLE PLANTS, MARCH 4

Santa Rosa: Retired SRJC instructor Steve Barnhart leads an introductory class on the incredible structure, function and ecology of plants followed by a 1- to 3-mile moderate walk, Saturday, 9 a.m. to 3 p.m. at Pepperwood Preserve, 2130 Pepperwood Preserve Road. Meet at the Dwight Center. Visit pepperwoodpreserve.org to register. More information at 707-591-9310 ext. 121.

LOG LIFE, MARCH 5

Forestville: Interactive stories and games teach kids 5-12 about the critters that live under a fallen tree and in the mico-habitat at Wohler Bridge, 10 a.m. to noon, Sunday at the Wohler Bridge Russian River access, 9765 Wohler Road. Parking $7 for non-Sonoma County Regional Parks members. Call 707-565-3080 for information.

SUNDOWN SETTLE DOWN, MARCH 9

Sebastopol: Settle down at sundown with relaxation exercise or a meditation walk, 5:30 to 7 p.m. Ragle Ranch Regional Park, 500 Ragle Road. Parking $7. Sonoma County Regional Parks 707-565-7888.