I (unfortunately) live in this district, so heres my local insight/opinions. The incumbent for the district, Ken Buck, stepped down in March, so it’s all “new” challengers, 3 of which have been involved in state/local politics. The district has been Red since 2008. As another poster shared, 538 polling shows her losing to 2 of the three Dems running in the primary. Most of east rural Colorado is more '90s conservatives than tea party/MAGA conservatives, so they are likely to stay home and not vote for Boebert.
Lines were redrawn after 2022 election which caused Boeberts current district to become more blue, and I think Adam Frisch has a good chance of winning, which means boebert has a shot at flipping two districts from red to blue. 538 doesn’t have any polling data for district 3 yet so this may just be a Lefty’s dream.