The 2013 season of the National League, the third tier of British speedway was contested by eight teams.
Scunthorpe Saints and Rye House Cobras were both missing from the 2012 league. Two newcomers were the Coventry Storm and the newly formed Kent Kings.
The Dudley Heathens were champions.
<small>PL = Matches; W = Wins; D = Draws; L = Losses; Pts = Total Points</small>
Scoring system:<br /> Home loss by any number of points = 0<br /> Home draw = 1<br /> Home win by between 1 and 6 points = 2<br /> Home win by 7 points or more = 3<br /> Away loss by 7 points or more = 0<br /> Away loss by 6 points or fewer = 1<br /> Away draw = 2<br /> Away win by between 1 and 6 points = 3<br /> Away win by 7 points or more = 4
Top four teams race off in two-legged semi-finals and final to decide the championship. Dudley Heathens defeated King's Lynn Young Stars in the final.
Semi-finals
The 2013 National League Knockout Cup was the 16th edition of the Knockout Cup for tier three teams. Dudley Heathens were the winners.
First round
Semi-finals
Steve Boxall won the Riders' Championship for the second time. The final was held on 21 September at Rye House Stadium.
The National League Pairs Championship, was held at Mildenhall Stadium, on 30 June 2013. The event was won by Ashley Morris and Lewis Blackbird of the Mildenhall Fen Tigers.
Dudley won the National League Fours, held on 18 August 2013 at Loomer Road Stadium.