As said certainly enter a 3/4 race, 2/3/4 races are hard for obvious reasons, that and the winners are likely to be good level cat 2 riders looking to move up.
- Don't site at the back, top 1/3 at all times, and try not to let people pass, or before you know it you'll be at the back chasing to get back on.
- Learn how to corner low and quick
- Get aero
- Improve sprinting out of corners. I practice this alot and it helps
Also I don't think W/kg on Strava are that accurate. It has me at 6.6w/kg for this segment:
https://www.strava.com/segments/9111397?filter=overall
