The importance of research come from the use of aerobic and anaerobic training (mixed order) to upgrade the record achievement of research samples the 3000 m hurdles runners, the research problem is training process of this group doesn’t contain this training requirement the aerobic and anaerobic training (mixed order), so that the researcher would prepare a training units that includes this training requirement for the research samples the two advanced champions hurdles runners the members of the national athletics team of Iraq.

The researcher choose experimental design for research procedures which contain the pre-test and post-test, and then the researcher display, analyzed and discussed the test results Which showed a significant difference in the record achievement between the pre-test and post-test in favor for the post-test, The researcher shows the conclusion there is a lack in nested Aerobic and anaerobic trainings of 3000 m Iraqi hurdles runners, and the positive impact of these trainings on the level of record achievement for this competition runners and the researcher recommended the training programs of 3000 m hurdles runners must contain suitable amounts of these trainings.