Fuel EX 9.8. Sunny cold - high 20's to low 30's, moderate SW winds not a factor in the woods. Solo ride at Atwood, started riding around 11 am but should have gotten there an hour earlier - Thaw was in full effect by an hour into the ride. Most of the trails were dry but had to be careful in turns and shady spots, which were muddy and slippery. Several riders out, all fat bikes. Started out with 2-1/2 loops on the Founders 56, then the Marsh trail over to the bridge and the North trails. Did 2 full laps, once in each direction. Took the Marsh trail up through the Praire and did two loops of the Big Wheel, then returned on the Prairie trail and a half loop on the Founders 56 to the finish. So nice getting an outdoor ride in after the crap cold weather we had this week. Not a fast ride by any means but I was wearing a lot of layers and had to take it slow with the freeze/thaw conditions. I dressed good, never got cold and even worked up a bit of a sweat. Always plenty of climbing at Atwood. Stopped at the Pub 64 in Sycamore for a snack and some rehydration.