In a small bowl, toss the beets with 2 Tablespoons of the olive oil, 1/4 teaspoon salt and 1/4 teaspoon pepper. Place beets on a aluminium foil lined baking sheet, and roast in the oven at 425°F for 25 minutes.
In a large bowl, toss the spinach with the wine vinegar, honey and the remaining oil, salt and pepper. Mix in the roasted beets and sprinkle with the feta cheese.