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.
1 People shouldn't underestimate the challenge and just amble up to the start line.. 2  Commit to training. 3  Dixon says on average people put 16 weeks of structured preparation into running a marathon, and they will be running between four and six times a week, with a long run at the weekend.