Preheat oven to 385°F. Wrap washed, trimmed beets in foil and roast 35-45 minutes until tender. Cool, peel, and cube into ½-inch pieces.
Bring broth to boil, add farro, reduce heat and simmer 15-25 minutes until tender. Drain and set aside.
Heat olive oil until warm, remove from heat. Add chives, sage, 1 teaspoon salt, lemon juice, and black pepper. Whisk and let rest.
Toast pecans in a skillet, add maple syrup and cayenne. Stir until coated and bubbling, then cool on greased foil.
Combine farro, beets, feta, and pecans in a bowl. Add dressing, toss gently, and season to taste.