I agree with others, although I'd make sure you've been focusing on MP/doing marathon training and not half marathon training to ensure you don't bonk:
- 6 x 4000m at 102% RP, 1000m recovery at 89% RP
- 5 x 5000m at 101% RP, 1000m recovery at 89% RP
- 4 x 6000m at 101% RP, 1000m recovery at 89% RP
- 4 x 7000m at 99% RP, 1000m recovery at 91% RP
- 5 x 2000m at 105% RP during a 35km (22mi) long run at 91% RP
- 25 km (15.5mi) long run at 102% RP
- 30 km (18.5mi) long run at RP
- 35 km (22mi) long run at 97% RP
- 40 km (25mi) long run at 92% RP
Specific (Extension)
40k at 90 to 95% mp.
30 to 40k 80-85% mp + 5x2k or 10x1k w/ 400m rest @ ~ 90%mp. You can actually start those sessions in the base phase.
mp tempo extension/progression
20k; 25k; 30k; 40k @ 90% mp (every other week, repeat some at 95% if you have time) prep for specific work