Redtail Ridge
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Chabot Redtail Ridge Trail Run
The Chabot Redtail Ridge Trail Run is an in person trail running event at Lake Chabot Regional Park in Castro Valley, CA, organized by Inside Trail Racing and scheduled for February 20, 2027. The event offers multiple distances:
- 50K
- 30K
- Half Marathon
- 10K
- 5K
The park includes eucalyptus forest, grassy meadows, lakeside paths, and hilltop vistas. Lake Chabot provides more than 20 miles of trails that connect to about 70 miles of trails in the adjoining Anthony Chabot Regional Park. The course includes some paved sections and generally less elevation compared with other trail events run by the organizer, and it is presented for runners aiming to set personal records as well as for participants newer to trail racing.
Aid stations supply a variety of foods and drinks such as energy gels and chews, stroopwafels, trail mix, pretzels, chips, cookies, soda, water, sports hydration mix, sandwiches, fruit, salt tablets, and basic first aid items; anti inflammatory medicine is not provided. Runners are encouraged to carry at least one 20 ounce bottle. The 50K has an 8.5 hour time limit. Race capacity is 500 runners across all distances.
All finishers receive a custom medal and the 50K finisher receives a pint glass with the race logo. Top finishers receive trophies and sponsor items. Age group awards are given three deep across specified age categories. Volunteers receive a race shirt, food, and credit toward future events for hours worked. Entry fees are non refundable; a 50 percent credit toward a future Inside Trail Racing event may be issued for cancellations made at least three weeks before the race. To be guaranteed a race shirt and size register by February 6, 2027. Registration opens September 1, 2026. Visit the organization's website for the most recent information.
