Progressive 24km Marathon Long Run
Workout - Progressive 24km Marathon Long Run
- 10min @ 7'00''/km
- 8.0km @ 6'36''/km
- 8.0km @ 6'03''/km
- 8.0km @ 5'30''/km
- 10min @ 7'00''/km
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Intro: This overview draws from Lee Grantham’s video The Power of the 15-Mile Long Run: Transform Your Marathon Training. The content below translates directly to action this weekend. For the complete context, watch the full video.
Key Points:
- Mileage quality matters far more than mileage volume; a deliberately designed 15-mile session can meaningfully advance marathon readiness.
- Three progressive long-run structures are detailed, each emphasizing speed, endurance, or mental strength—with target paces calibrated to your goal marathon pace and listed in minutes per kilometer.
- Proper preparation requires 5–15 minutes of walking, dynamic movement, and accelerations; a structured cool-down minimizes injury risk and preserves session quality.
- These sessions work best when scheduled for weekends (Sunday is common), positioned after a mid-week interval or tempo effort.
Workout Example 1 – Progressive 8‑8‑8 km Run (24 km total):
- Warm‑up: 5–10 min walk, light jog, dynamic movement, and a few accelerations.
- First 8 km: 20 % slower than marathon pace (≈4 min/km).
- Middle 8 km: 10 % slower than marathon pace (≈3:40 min/km).
- Final 8 km: Marathon pace (≈3:20 min/km for a 2:20 hr target, adjust to match your goal).
- Cool‑down: Easy jog, then static stretches, then walking.
Example 2 – Alternating 2 km @ MP + 1 km @ +20 % (8 repeats, 24 km total):
- Repeat 8 times:
- 2 km at marathon pace (e.g., 3:20 min/km for a 2:20 target).
- 1 km at 20 % slower (≈4 min/km).
- Apply the warm-up and cool-down from above. This pattern stabilizes heart rate and makes recovery segments feel manageable, while strengthening your pace discipline at goal effort.
Example 3 – 5‑15‑5 km Structure (25 km total):
- 5 km at 4 min/km (easy introductory pace).
- 15 km at marathon pace (3:20 min/km for a 2:20 target).
- 5 km at marathon pace or slightly faster (e.g., half‑marathon pace) to finish strong.
- Use the same warm-up and cool-down protocol.
Practical Tips:
- Convert percentage-based paces to absolute minutes per kilometer using a pacing app or simple math.
- Give yourself adequate warm-up time (10–20 min minimum) to condition your system without abrupt loading.
- After you finish, bring your heart rate down gradually with a reverse warm-up, then eat soon (such as a fruit smoothie) to replenish energy stores.
- Work toward 22 quality sessions within 11 weeks (a 13-week training block), with 80 % consistency as your target.
Closing Note: Pick one of these 15-mile templates to run this week, dial in paces for your target, and log it in the Pacing app. You’re establishing the aerobic capacity and resilience that marathon races demand.