Combine brown rice and water in a large pot; bring to a boil.
Reduce heat, cover, and let simmer for 15 minutes.
In a separate pan, heat olive oil over medium heat.
Add ground turkey to the pan; cook until browned.
Stir in chopped carrots and cook for 5 minutes.
Add peas and spinach; cook for an additional 5 minutes.
Combine the turkey mixture with the cooked rice.
Stir in the pumpkin puree until well mixed.
Allow the mixture to cool before serving.
Store any leftovers in an airtight container.