Using 2019 D1 Softball Run Expectancy Charts provided by
@643charts
the Break Even % for stealing 2B (% you need to steal from 1B to 2B safely for it to generate runs for your team as opposed to cost your team runs) is 72.8% with 0 Outs, 70.7% with 1 Out, and 65.5% with 2 Outs.