Ruth McKenzie Preserve Half Marathon | 10k | 5k | Kids Race

Sun April 2, 2023 Friant, CA 93626 US Directions


Half Marathon

$85 8:00AM PDT - 12:00PM PDT Registration ends March 31, 2023 at 11:59pm PDT

10k Run/Walk

$60 8:00AM PDT - 10:00AM PDT Registration ends March 31, 2023 at 11:59pm PDT

5k Run/Walk

$50 8:05AM PDT - 10:10AM PDT Registration ends March 31, 2023 at 11:59pm PDT

Kids 1/2 Mile Run

$10 9:05AM PDT - 10:15AM PDT Registration ends March 31, 2023 at 11:59pm PDT
Open to ages 12 and under.

Kids 1/4 Mile Run (Ages 6 & Under)

$10 9:05AM PDT - 10:15AM PDT Registration ends March 31, 2023 at 11:59pm PDT
Open to ages 7 and under.

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Finisher Medals for Half Marathon, 10k, & 5k



The Ruth McKenzie Table Mountain Preserve (2960 acres) is located between Friant and Prather, on the north side of Auberry Road. The main gate is 3.3 miles uphill from the intersection of Auberry Road and Millerton Road.

The McKenzie Preserve was acquired in trust from The Nature Conservancy in 1998. The property had previously been placed in a trust by its owner, Ruth Bea McKenzie, who wanted it to remain in ranching and open space after her death.The McKenzie Preserve is primarily grassland and oak woodland that slopes upward toward the basalt lava table lands that give the preserve its name.

The preserve includes a significant portion of one of the flat-topped tables that are visible from the road. In spring, rain water collects in the table’s low spots, forming vernal pools. Since the basalt is impermeable, these pools hold water for several weeks or months until it eventually evaporates. The pools provide habitat for rare plants and crustaceans that “come to life” in the presence of the water. When the pools dry up in late spring, these crustaceans become seeds or cysts in order to survive the rest of the year. On the far side of the table formations, out of sight of Auberry Road, the land slopes steeply down to the San Joaquin River. These north-facing slopes sustain an excellent mix of pine forest and chaparral. The preserve also includes a 47-acre parcel along the creek on the south side.


36.996469, -119.593370
Friant, CA US 93626

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Sierra Foothill Conservancy

The Sierra Foothill Conservancy honors our natural and cultural heritage by protecting these resources and ensuring that present and future generations will continue to experience and enjoy the land in this region.

From the snow-capped Sierra to the Central Valley floor, expansive landscapes, important habitats, and clean water resources are conserved and managed to ensure continuing public benefits. SFC supports a thriving land-based economy while promoting a conservation ethic that spans generations.

Loyal members are the cornerstone of SFC’s ability to do good work. Not only does a  large membership provide financial stability, but it also gives the organization the necessary credibility for important decision makers such as local and state governments, granting agencies, other organizations in the land trust arena and with the community at large.

The membership is an indispensable asset that includes many volunteers who give their time, energy, and expertise. Hikes, classes, field trips, and events are supported by dedicated members. Preserve crews and highway clean-up crews are also member driven. Members also offer their expertise in the office or with writing and editing documents, articles and other media put out by the organization. In addition, members send photos that appear on the website, in the e-Newsletter, on our photo boards at booth events, and in public presentations.

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