Trail is comprised of two loops - East and West. West is beginner friendly, very smooth and flowing. Lots of open trail Which is good for getting up some speed and very fast smooth turns. This trail is very good for the beginner, and very fast and fun for the more skilled rider. Trail takes riders thru lots of woods. There are a few small /semi steep hill climb's but they are fairly short.
The East is more difficult, intermediate to advanced in overall skill. Lots of climbs of various length, significant drops, and a few rock gardens here n' there. It should be noted that this section is an "out-and-back" style loop. Enter from 1st street, take the first right onto "River trail", then left onto the "East Loop" section. From here, there's the optional "Opening Soon" section, or you can take the East loop back to the entrance.
It should be noted that the section of the "East Loop" that runs along I-30 is closed (between the Trinity River low water crossing, up to junction with the "River Trail") There is a map on the FWBMA's website that makes it look as though this section is open, but it's currently too overgrown to bike.