The 2002–03 National Division One (for sponsorship reasons known as the Jewson National Division One) was the 16th full season of rugby union within the second tier of the English league system, currently known as the RFU Championship. New teams to the division included Orrell and Plymouth Albion who were promoted from 2001–02 National Division Two while no team was relegated from the 2001-02 Zurich Premiership as Rotherham's ground was not deemed suitable for top flight games. For the second year in a row Rotherham, were champions, and this year they were promoted to the Zurich Premiership for season 2003–04 with Worcester finishing as runners–up for the third consecutive season. Moseley and Rugby were relegated to the 2003–04 National Division Two. Participating teams Table Results Round 1 Round 2 Round 3 Round 4 Round 5 Round 6 Round 7 Round 8 Round 9 Round 10 Round 11 Round 12 Round 13 Round 14 Postponed. Game rescheduled to 16 February 2003. Postponed. Game rescheduled to 16 February 2003. Postponed. Game rescheduled to 21 April 2003. Round 15 Postponed. Game rescheduled to 23 March 2003. Postponed. Game rescheduled to 16 February 2003. Postponed. Game rescheduled to 22 March 2003. Postponed. Game rescheduled to 8 March 2003. Postponed. Game rescheduled to 8 March 2003. Postponed. Game rescheduled to 16 February 2003. Round 16 Round 17 Postponed. Game rescheduled to 8 March 2003. Round 18 Postponed. Game rescheduled to 9 April 2003. Round 19 Round 14 & 15 (rescheduled games) Game rescheduled from 11 January 2003.. Game rescheduled from 4 January 2003. Game rescheduled from 11 January 2003. Game rescheduled from 4 January 2003. Round 21 (rescheduled game) Game brought forward from 1 March 2003. Round 20 Round 21 Game brought forward to 19 February 2003. Game postponed. Rescheduled to 8 March 2003. Postponed. Game rescheduled to 23 March 2003. Postponed. Game rescheduled to 5 April 2003. Round 15, 17 & 21 (rescheduled games) Game rescheduled from 25 January 2003. Game rescheduled from 1 March 2003. Game rescheduled from 11 January 2003. Game rescheduled from 11 January 2003. Round 22 Rounds 15 & 21 (rescheduled games) Game rescheduled from 11 January 2003. Game rescheduled from 11 January 2003. Game rescheduled from 1 March 2003. Round 23 Rounds 18, 21 & 26 (rescheduled games) Game brought forward from 26 April 2003. Game rescheduled from 1 March 2003. Game rescheduled from 1 February 2003. Round 24