PACEPLOTTER

Preparing a half marathon

half marathon plan for 1:45:00

Running 1:45:00 over the half marathon means holding 5:00/km from start to finish. It's a demanding goal: this plan assumes a real training base and consistent quality sessions.

What this time implies

Equivalent times (Riegel formula); if your current times are far off, pick an intermediate goal:

  • 5k 22:50
  • 10k 47:35
  • Marathon 3:38:55

The plan, week by week

Complete 12-week example, calibrated for a 1:45:00 goal (4 sessions/week). For a plan at YOUR paces aligned with YOUR race date: Personalize this plan

Training paces for this plan

01 Base 38 km
  • Tuesday 8 × 400 m at 5K pace (4:35/km), 1:15 jog recovery, 15 min warm-up and cool-down
  • Wednesday Easy run 10 km (6:05/km)
  • Thursday 2 × 8 min at threshold (4:55/km), 3 min recovery, 15 min warm-up and cool-down
  • Sunday Long run 12 km (6:05/km)
02 Base 41 km
  • Tuesday 10 × 400 m at 5K pace (4:35/km), 1:15 jog recovery, 15 min warm-up and cool-down
  • Wednesday Easy run 10 km (6:05/km)
  • Thursday 20 min at threshold (4:55/km), 15 min warm-up and cool-down
  • Sunday Long run 13 km (6:05/km)
03 Base 41 km
  • Tuesday 6 × 600 m at 5K pace (4:35/km), 1:30 jog recovery, 15 min warm-up and cool-down
  • Wednesday Easy run 10 km (6:05/km)
  • Thursday 2 × 10 min at threshold (4:55/km), 3 min recovery, 15 min warm-up and cool-down
  • Sunday Long run 14 km (6:05/km)
04 Base · recovery 35 km
  • Tuesday 8 × 400 m at 5K pace (4:35/km), 1:15 jog recovery, 15 min warm-up and cool-down
  • Wednesday Easy run 8 km (6:05/km)
  • Thursday 2 × 8 min at threshold (4:55/km), 3 min recovery, 15 min warm-up and cool-down
  • Sunday Long run 11 km (6:05/km)
05 Build 46 km
  • Tuesday 6 × 800 m at 5K pace (4:35/km), 1:45 jog recovery, 15 min warm-up and cool-down
  • Wednesday Easy run 10 km (6:05/km)
  • Thursday 2 × 15 min at threshold (4:55/km), 3 min recovery, 15 min warm-up and cool-down
  • Sunday Long run 16 km with 3 km at marathon pace (5:10/km)
06 Build 47 km
  • Tuesday 5 × 1000 m at 5K pace (4:35/km), 2:00 jog recovery, 15 min warm-up and cool-down
  • Wednesday Easy run 10 km (6:05/km)
  • Thursday 2 × 12 min at threshold (4:55/km), 3 min recovery, 15 min warm-up and cool-down
  • Sunday Long run 18 km with 4 km at marathon pace (5:10/km)
07 Build 48 km
  • Tuesday 8 × 600 m at 5K pace (4:35/km), 1:30 jog recovery, 15 min warm-up and cool-down
  • Wednesday Easy run 10 km (6:05/km)
  • Thursday 25 min at threshold (4:55/km), 15 min warm-up and cool-down
  • Sunday Long run 19 km with 5 km at marathon pace (5:10/km)
08 Build · recovery 44 km
  • Tuesday 6 × 1000 m at 5K pace (4:35/km), 2:00 jog recovery, 15 min warm-up and cool-down
  • Wednesday Easy run 8 km (6:05/km)
  • Thursday 3 × 10 min at threshold (4:55/km), 3 min recovery, 15 min warm-up and cool-down
  • Sunday Long run 15 km (6:05/km)
09 Build 51 km
  • Tuesday 6 × 800 m at 5K pace (4:35/km), 1:45 jog recovery, 15 min warm-up and cool-down
  • Wednesday Easy run 10 km (6:05/km)
  • Thursday 30 min at threshold (4:55/km), 15 min warm-up and cool-down
  • Sunday Long run 21 km with 6 km at marathon pace (5:10/km)
10 Build 52 km
  • Tuesday 5 × 1000 m at 5K pace (4:35/km), 2:00 jog recovery, 15 min warm-up and cool-down
  • Wednesday Easy run 10 km (6:05/km)
  • Thursday 2 × 15 min at threshold (4:55/km), 3 min recovery, 15 min warm-up and cool-down
  • Sunday Long run 22 km with 3 km at marathon pace (5:10/km)
11 Taper 37 km
  • Tuesday 6 × 400 m at 5K pace (4:35/km), 1:15 jog recovery, 15 min warm-up and cool-down
  • Wednesday Easy run 10 km (6:05/km)
  • Thursday 15 min at threshold (4:55/km), 15 min warm-up and cool-down
  • Sunday Long run 12 km (6:05/km)
12 Taper 31 km
  • Tuesday 4 × 300 m at 5K pace (4:35/km), 1:15 jog recovery, 15 min warm-up and cool-down
  • Friday Easy run 4 km (6:05/km)
  • Sunday RACE DAY: 21.1 km. Enjoy it!

This plan is generated by a published method from the information you provided. It is not medical advice: see a doctor before (re)starting running, listen to your body, and skip a session if something hurts.