Marathon · Lima, start and finish at Parque Kennedy, Miraflores (2026 route), Peru

Lima Marathon (Lima 42K)

What Lima Marathon (Lima 42K) demands, pillar by pillar, and when to start training each one.

Distance: 42.2 km
Elevation gain: 306 m
Descent: 306 m
High point: 146 m
Typical date: Late May, Sunday (2026 edition: May 24, 2026)
Next edition: Late May 2027 (date TBC)
Typical high: 22°C
Humidity: Humid, overcast mornings. On past race mornings humidity was 81 to 93% at 6 am and 64 to 79% at noon, with dew points around 13 to 17°C and no rain (2022 to 2026, Open-Meteo). Monthly: near 90% early, about 80% at noon (SENAMHI via ICAO).
Terrain: Road marathon on asphalt run as two 21K loops from Parque Kennedy in Miraflores, through San Isidro and Lince and down to the Malecón by the Pacific. Rolling, not flat: about 306 m of climbing and descent, from about 146 m near km 8 to about 30 m on the coast. World Athletics and AIMS certified.

Check your readiness for Lima Marathon (Lima 42K)

What this race demands

HeatLowMay race mornings from 2023 to 2026 ran 16 to 23°C (16 to 23°C) between 5 am and noon, under our 27°C line.
GutMediuma 3 to 6 hour road marathon needs a practiced carb plan, though less than an ultra.
TerrainMediumabout 306 m of climbing and descent, with two drops to the coast and two climbs back, the last one in the final 2.7 km.
DurabilityMediumstandard marathon demand with a 6 hour limit, plus a climb to the finish on tired legs.
PacingMediumthe first 8 km climb and the last 2.7 km climb again, so hold back early.
TaperMediumstandard marathon taper.
HydrationMediumrace mornings start at 81 to 93% humidity, so sweat evaporates slowly.

When to train each part

Weeks counting back from race day. Tap or hover a row for its window.

Key course sections

Course profile

km · m

1
Km 0 to 8: steady climb of about 56 m from Parque Kennedy (about 90 m) north on Av. Arequipa and Petit Thouars to the high point (about 146 m)
2
Km 16 to 21.6: about 78 m of descent to the coast via Av. Pardo and Comandante Espinar to the Malecón, low point about 30 m
3
Km 21.6 to 25: climb of about 64 m back up past Armendáriz and Av. La Paz to Parque Kennedy, steepest stretch about 45 m in 1 km
4
Km 39.3 to the finish: after the second drop to the coast near Bajada Balta, about 61 m of climbing in the last 2.7 km

Race-day weather history

Forecast: No forecast yet: the 2027 date isn't announced and reliable forecasts start about 14 days out.

Questions runners ask

When is the Lima Marathon 2027?

The 2027 date isn't announced yet. The race is usually held on a Sunday in late May; the 2026 edition was May 24.

Is the Lima Marathon hot?

Usually not. On race mornings from 2023 to 2026 it was 16 to 19°C at 6 am and 19 to 23°C by noon, with high humidity and no rain.

Is the Lima 42K course flat?

No. The 2026 course climbs and descends about 306 m, from about 146 m near km 8 down to about 30 m on the coast, and the last 2.7 km climb about 61 m to the finish.

What is the time limit for the Lima Marathon?

6 hours for the marathon under the 2026 rules.

When should I start training for Lima?

If the race stays in late May, your 16-week prep block starts around early February 2027. Gut training starts 12 weeks out and goal-pace work 10 weeks out.

Sources

Know if you're ready for Lima Marathon (Lima 42K)