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Fredericton Marathon

Fredericton Marathon

Fredericton, Canada · Monday 10 May 2027

RoadFull Marathon

Running the Fredericton Marathon in May means you'll be working with one of Atlantic Canada's genuinely flat courses, though calling it completely flat would miss what actually makes it interesting to run. Yes, the elevation barely budges, sitting between 8 and 23 meters above sea level throughout the 42.2 kilometers, but there are gentle rolls that will feel like proper hills when you hit them around kilometer 30. The course follows roads through New Brunswick's capital, which means you'll spend much of the race on pavement that ranges from smooth to rough depending on the section. The landscape is very much Maritime spring: you'll see the Saint John River at points, tree-lined stretches that are just leafing out, and the kind of quiet residential neighborhoods that make you aware of your breathing more than the scenery. The temperature in late May can be genuinely pleasant for running, though Atlantic weather being what it is, you might encounter anything from sunshine to damp coolness to sudden wind off the river. What actually strikes you during this race is how the course feels deceptively harder than the elevation profile suggests. The flatness becomes monotonous, and without significant climbs to break up the mental sections, the middle miles require real discipline. You'll notice the road surface more than usual because there's nothing dramatic to distract from it. The final kilometers take you back toward the river, which is beautiful but doesn't do much for tired legs. This is the kind of race where your fitness matters more than terrain management, where a sub-three-hour runner might struggle if unprepared just because the pace feels relentless on a flat road. It's honest racing, rewarding strong aerobic fitness and honest pacing over mountaineering ability.

Difficulty Calculator

h
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m
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s

Adjusted Time

3:47:58

Very Easy

Time difference: -12.0 minutes compared to a flat, road, temperate course.

Course Details

Elevation Gain0m
Elevation High23m
Elevation Low8m

Weather Forecast

High11°C
Low7°C
Chance of Rain84%

How hard is Fredericton Marathon?

Very Easyharder than 1% of marathons
Flattest / easiestHardest

On our difficulty model, Fredericton Marathon plays about 5 minutes faster than an average road marathon - a genuine PB course for a 3:30 runner. It ranks #1144 hardest of 1150 marathons we analyse, and #50 of 51 in Canada. Use the calculator above to see the exact adjusted time for your own goal pace.

What will you run at Fredericton Marathon?

Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.

Average-course timeOn Fredericton MarathonDifference
3:00:002:51:12−08:48
3:30:003:19:40−10:20
4:00:003:47:58−12:02
4:30:004:16:07−13:53
5:00:004:44:06−15:54
5:30:005:11:57−18:03
6:00:005:39:41−20:19

Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.

Fredericton Marathon 2027 Course Analysis

Fredericton Marathon is a full marathon held in Fredericton, Canada. It is scheduled for Monday 10 May 2027. The course is run on road surface with 0m of total climbing, with its high point near 23m above sea level.

Elevation Profile

This is a very flat course, with only 0m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.

Expected Race Day Weather

Based on historical weather data for May, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 7°C to 11°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a high chance of rain (84%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.

Surface Type: Road

Fredericton Marathon is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.

Looking for an easier marathon or a tougher challenge? You can also compare Fredericton Marathon against other marathons to find the right race for your goals.

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