Intervals and other types of speed work are essential to improve running speed.

Picture Quotes Maker

Top Authors

• Napoleon Hill

  Author

  Friday, Oct 26, 1883
  Sunday, Nov 08, 1970

• Nelson Mandela

  Former President Of South Africa

  Thursday, Jul 18, 1918
  Thursday, Dec 05, 2013

• Abraham Lincoln

  16Th U.S. President

  Sunday, Feb 12, 1809
  Saturday, Apr 15, 1865

• Heraclitus

  Philosopher

  Thursday, Jan 01, 1970
  Thursday, Jan 01, 1970

• Henry David Thoreau

  Author

  Saturday, Jul 12, 1817
  Tuesday, May 06, 1862

• Niccolo Machiavelli

  Historian

  Monday, May 03, 1469
  Tuesday, Jun 21, 1527

• John Lewis

  U.s. Representative

  Wednesday, Feb 21, 1940
  

• Lucy Larcom

  Poet

  Friday, Mar 05, 1824
  Monday, Apr 17, 1893

• Thomas Sowell

  Economist

  Monday, Jun 30, 1930
  

• Theodore Roosevelt

  26Th U.s. President

  Wednesday, Oct 27, 1858
  Monday, Jan 06, 1919

• Stephen Hawking

  Physicist

  Thursday, Jan 08, 1942
  

• Billy Graham

  Professional Wrestler

  Monday, Jun 07, 1943
  

• Robin Williams

  Actor

  Saturday, Jul 21, 1951
  Monday, Aug 11, 2014

• Albert Camus

  Author

  Friday, Nov 07, 1913
  Monday, Jan 04, 1960

• W. Edwards Deming

  Statistician

  Sunday, Oct 14, 1900
  Monday, Dec 20, 1993