The spurge family contains a large variety of phytotoxins, often with a milky sap or latex. 5,735 Found mostly in the tropics, distinctive leaves typically with strong longitudinal veins and tertiary veins at right angles to the midrib.
Most marathon training plans range from 12 to 20 weeks. Beginning marathoners should aim to build their weekly mileage up to 50 miles over the four months leading up to race day. Three-to-five runs per week is sufficient. The vast majority of these runs should be done at a relaxed pace.
Hold yourself back to a pace about 90 seconds or 2 minutes per mile slower than your current 10K pace. Finally, the pre-training schedule. You should be able to run this schedule for four to five weeks without much discomfort before starting the half marathon program. If not, give yourself some time to build up to that level gradually, or you may risk injury.