Trail race guide
Chabot / Redtail Ridge: date, distances, elevation, and registration
Chabot / Redtail Ridge is a hard trail race organized by Inside Trail. It offers 5K, 10K, Half, 30K, 50K distances on Saturday, February 20, 2027.
- Date
- Saturday, February 20, 2027
- Location
- Lake Chabot Regional Park · Castro Valley
- Distances
- 5K · 10K · Half · 30K · 50K
- Elevation gain
- 5K 110′ · 10K 650′ · Half 1,800′ · 30K 2,800′ · 50K 4,500′
- Difficulty
- Hard
- Registration
- Check official page
- Official source
- Inside Trail · Verified Aug 30, 2026
Questions about Chabot / Redtail Ridge
When and where is Chabot / Redtail Ridge?
Chabot / Redtail Ridge is scheduled for Saturday, February 20, 2027 at Lake Chabot Regional Park · Castro Valley.
How do I register for Chabot / Redtail Ridge?
Use the official registration button on this page. Registration, payment, waivers, transfers, cancellations, and refunds are handled by Inside Trail.
What distances are available?
Chabot / Redtail Ridge currently lists 5K, 10K, Half, 30K, 50K.
Can I invite a friend?
Yes—use the prefilled text or email invitation. It includes the race date, a suggested distance, and this guide.