2027 Hamburg Marathon - Apr 25

2027 Hamburg Marathon - Apr 25 Countdown

-- DAYS
-- HRS
-- MIN
-- SEC

Want personality modes & weather integration? Try the full countdown experience

Race Information

Race2027 Hamburg Marathon - Apr 25
CityHamburg
Date2027-04-25 at 08:30
Field Size~11,000 runners
Time Limit6 hours
Cutoff pace8:32/km
Course speed
Fast course Speed index 0.9 — median of the last 5 winners' times against the global same-year median. Winner times track elite fields and prize money, so this reads the course as a proxy, not a pure measurement.
TimezoneEurope/Berlin
Official SiteMarathon Hamburg Veranstaltungs GmbH
RegistrationRegister · 95 EUR

One email when it opens. Unsubscribe anytime. · Privacy

Race Day Weather

Average Temperature9.8°C / 50°F
Humidity77%
Wind21.6 km/h
Rain Chance29%
Typical ConditionsCool, breezy spring morning by the Elbe. Race-day temperatures average around 10°C (50°F) at the 8:30 start, climbing to the mid-teens by midday. Humidity sits near 76% and there is roughly a 30% daily chance of light rain.

What to Prepare: Ideal marathon weather for a PR. Start in a throwaway layer at your assigned corral, then race in singlet and shorts. Pack a light rain shell in your bag drop for the spring showers. Standard road racing shoes are fine; the course runs on mostly smooth city road past the historic Speicherstadt brick warehouses.

Based on historical averages for race week. Use our Weather Score Calculator and What to Wear Guide for personalized advice.

Wind Impact on Race Day

Wind at 21.6 km/h can affect your marathon pace by 5-15 seconds per kilometer. Headwinds slow you down exponentially — a 20 km/h wind costs more than twice a 10 km/h wind.

Calculate your wind-adjusted pace →

Race-Week Climate

Based on 20 years of race-week weather (2005-2024), MERRA-2 reanalysis

Cooler Typical Warmer
Temperature 5.9°C 9.4°C 14°C
Dew point 1.2°C 4.9°C 9.9°C
Wet-day chance: 29% Runnability: 74/100

Data: NASA POWER (MERRA-2 reanalysis), NASA Langley Research Center

Course Profile

Course TypeOne big loop with two start areas (Karolinenstraße by Hamburg Messe for the earlier blocks, and Bei den Kirchhöfen for the later blocks) that merge into a common finish on Karolinenstraße, with no repeated sections.
Elevation Gain40m
TerrainAlmost entirely smooth city asphalt through the Alster lakes, harbour and parks, passing the historic Speicherstadt brick warehouse district, with a few gentle bridge ramps over the canals.
ProfileFlat and fast: the whole 42.195km route stays within a roughly 40m elevation band, rising only about 40m above its lowest point. There is no real climb anywhere, just gentle ramps over the canal bridges.
Boston QualifierYes — Check your BQ time

Finisher Trend

Year Finishers vs prev.
2025 11,683 —
2026 15,550 +33.1%

Runners who crossed the line, not the registered field size.

Prepare for 2027 Hamburg Marathon - Apr 25

Use our free training tools to get race-ready:

View all running tools

Frequently Asked Questions

How do I register for the 2027 Hamburg Marathon?

Entry is first-come, first-served with no lottery. Register directly on the official Haspa Marathon Hamburg site. Prices are tiered by bib number, starting at EUR 95 for the first 2,500 entries, then rising to EUR 115, EUR 125 and EUR 135 as the field fills. The marathon typically sells out by around September, so sign up early to lock in the cheapest tier.

Is the Hamburg Marathon course flat?

Yes. The course is genuinely flat and fast: the entire 42.195km route stays within a roughly 40m elevation band, rising only about 40m above its lowest point. There are no hills, just gentle ramps over the canal bridges. It is one of the flatter big-city marathons in Germany and a strong choice for a personal best.

Is the Hamburg Marathon a Boston qualifier?

Yes. The course carries a World Athletics Label and the organiser is a full AIMS member, so the route is certified and BQ-eligible. A finish time here can be used to qualify for the Boston Marathon. You do not need a qualifying time to enter Hamburg itself.

What is the time limit for the Hamburg Marathon?

The official cutoff is 6 hours, a pace of roughly 8:30 per kilometre, which comfortably accommodates first-timers and run-walkers. Note the limit is generous: the race officially ends 6 hours after the last runner crosses the start line, so every starter gets a full six hours and the earlier start blocks effectively get even more personal time. The field starts in waves from two start areas (roughly 08:30 to 09:15).

What is the weather like in Hamburg in late April?

Expect cool, changeable spring weather. Race-morning temperatures average about 10°C (50°F), warming into the mid-teens by midday, with humidity near 76% and around a 30% chance of light rain. These near-ideal racing temperatures are a big reason runners post fast times here.

Where does the Hamburg Marathon start and finish?

The finish for everyone is on Karolinenstraße by the Hamburg Messe exhibition grounds, near the Heinrich-Hertz TV tower, which is also where the expo and bib pickup are held. The start, however, uses two areas: the earlier blocks start on Karolinenstraße, while the later blocks start nearby at Bei den Kirchhöfen. Both routes merge and return to the same finish, so bag drop and meeting friends afterwards is simple.

What should I wear and bring for race day?

Dress for cool conditions: a singlet and shorts for racing, plus an old throwaway layer for the corral. Bring a light rain shell in your bag drop given the spring showers. Standard road racing shoes are fine; the route is almost entirely smooth city asphalt, passing the historic Speicherstadt brick warehouse district rather than running over it.

How big is the Hamburg Marathon?

The full marathon draws roughly 11,000-12,000 finishers (about 11,266 in 2024 and 11,683 in 2025). You may see a figure near 46,000 quoted, but that is the all-events total including the half marathon and the four-person relay, not the full-marathon field.

More Marathon Countdowns

View all marathons