Proper examination needs to be done to point out what structure is giving you pain. The area that you mentioned as your pain site dosent correlate with Tibialis anterior.
Next Steps
see a sports physiotherapist to get it assessed, Pain ointments are not the solution for your problem hence they wont help.
Health Tips
since you did not mention warm up or cool down, i would suggest you make sure you are doing that before and after your workout respectively. and buildup on your workout intensity gradually, do notbrush into increasing the number of rounds in a short span of days.