Rest needed already!

I just joined the Eupraxia Gym on Ward Ave. My My My only 30 min work out but it was crazy hard. Using  kettle bells, tall steps and a 40lb ball full of sand. I thought this would be a cake walk lifting a little weight and moving on to something else. Yaaaaaaa not so much. I did the first four stations ok but the fifth for some reason I couldn't catch my breath. I also forgot to bring water so yes I am a novice. I did however get a break today. Didn't think I needed but wow my back and legs are sore. My second day will be tomorrow night. We will see how hard this one is.