| 2021-05-19 19:30:32Wednesday, May 19, 2021 | Leicester Lion Cubs v Eastbourne Seagulls | 19:30:327:30 pm | 47 - 43 | National Development League | Paul Chapman & Sons Arena |
| 2021-05-29 19:00:32Saturday, May 29, 2021 | Leicester Lion Cubs v Armadale Devils | 19:00:327:00 pm | 50 - 40 | National Development League | Paul Chapman & Sons Arena |
| 2021-06-05 20:00:08Saturday, June 5, 2021 | Berwick Bullets v Leicester Lion Cubs | 20:00:088:00 pm | 53 - 36 | National Development League | Shielfield Park |
| 2021-06-06 18:00:32Sunday, June 6, 2021 | Leicester Lion Cubs v Berwick Bullets | 18:00:326:00 pm | 45 - 45 | National Development League | Paul Chapman & Sons Arena |
| 2021-06-16 19:30:32Wednesday, June 16, 2021 | Leicester Lion Cubs v Mildenhall Fen Tigers | 19:30:327:30 pm | 45 - 45 | National Development League | Paul Chapman & Sons Arena |
| 2021-07-02 19:30:34Friday, July 2, 2021 | Armadale Devils v Leicester Lion Cubs | 19:30:34Abandoned | 7 - 4 | National Development League | Armadale Stadium |
| 2021-07-18 17:00:57Sunday, July 18, 2021 | Eastbourne Seagulls v Leicester Lion Cubs | 17:00:575:00 pm | 32 - 54 | National Development League | Arlington Stadium |
| 2021-07-29 19:30:38Thursday, July 29, 2021 | Belle Vue Colts v Leicester Lion Cubs | 19:30:387:30 pm | 47 - 42 | National Development League | National Speedway Stadium |
| 2021-09-12 15:00:50Sunday, September 12, 2021 | Mildenhall Fen Tigers v Leicester Lion Cubs | 15:00:503:00 pm | 47 - 41 | National Development League | Mildenhall Stadium |
| 2021-09-24 19:30:48Friday, September 24, 2021 | Armadale Devils v Leicester Lion Cubs | 19:30:487:30 pm | 50 - 40 | National Development League | Armadale Stadium |
| 2021-09-25 19:45:32Saturday, September 25, 2021 | Leicester Lion Cubs v Kent Royals | 19:45:327:45 pm | 45 - 45 | National Development League | Paul Chapman & Sons Arena |
| 2021-10-05 00:05:00Tuesday, October 5, 2021 | Kent Royals v Leicester Lion Cubs | 00:05:00Postponed | P - P | National Development League | Central Park Stadium |
| 2021-10-12 18:30:59Tuesday, October 12, 2021 | Kent Royals v Leicester Lion Cubs | 18:30:596:30 pm | 59 - 31 | National Development League | Central Park Stadium |
| 2021-10-23 19:00:47Saturday, October 23, 2021 | Leicester Lion Cubs v Belle Vue Colts | 19:00:477:00 pm | 54 - 36 | National Development League | Paul Chapman & Sons Arena |
