AMC 10 B

14 problems here, rated 3.7 to 5.8 on our scale (AMC 10/12 to AIME, harder).

Algebra 4Combinatorics 4Geometry 3Number theory 3

#	Topic	Diff	Type	Year
1	Number theory	3.7	answer	—	open
2	Algebra	4.0	answer	—	open
3	Number theory	4.4	answer	—	open
4	Geometry	4.4	answer	—	open
5	Geometry	4.4	answer	—	open
6	Algebra	4.4	answer	—	open
7	Algebra	4.5	answer	—	open
8	Algebra	4.5	answer	—	open
9	Combinatorics	4.5	answer	—	open
10	Geometry	4.8	answer	—	open
11	Number theory	5.0	answer	—	open
12	Combinatorics	5.1	answer	—	open
13	Combinatorics	5.4	answer	—	open
14	Combinatorics	5.8	answer	—	open

These are sorted by difficulty within the competition, but they aren't a course. The track is the route through, drawn from all the sources at once.