I’ve raced my Puffin a few times now.
It’s 31lbs with a Bud and a Nate.
It’s slightly lighter now with Husker Düs but it’s still running tubes, BB7s, the original steel fork etc.
Scope to get under 30lbs but not a lot under.
If I were to go it again I would go Carbon or alloy as it would be easy weight lost. My Marge Lites on Hope Fatsno’s may not be light but have allowed a 100kg rider to run single digit tyre pressures without receiving any dings.