2023 Season
NIERDC-r2-MAY-2023-sup-regs-APPROVED-1 (Taupo)
NIERDC R2 Hampton 2023 Supplementary Regs Part Two Approved[6027] (Amended 18/4) (Hampton Downs)
2023 1-Hour Endurance – NIERDC, SIERDC and NZ Championship
2023 3-Hour Endurance – NIERDC, SIERDC and NZ Championship