Sudbury Rocks Marathon
Sudbury, Canada · Monday 24 May 2027
RoadFull Marathon
Sudbury, Ontario sits in the heart of Canada's mining country, a working city in the boreal landscape of northern Ontario. The area has a genuine, no-frills character, with lakes and forests defining the region. Running through Sudbury in May means dealing with spring weather that can still be unpredictable in Canada, so runners should come prepared for variable conditions. The race takes advantage of the local terrain and community, offering a straightforward racing experience without pretense. The Sudbury Rocks Marathon course is flat to gently rolling, which makes it a solid option for runners chasing time or working toward a personal best. You'll stay between 257 and 272 metres of elevation throughout the race, so there are no major climbs to contend with. The route follows roads through the city and surrounding areas, giving you a feel for the landscape and community. Expect a course that lets you settle into a rhythm early and maintain it, though the spring roads and any lingering cool temperatures typical of northern Ontario in May are worth accounting for in your training and pacing strategy.
Difficulty Calculator
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:m
:s
Adjusted Time
3:49:08
Time difference: -10.9 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain0m
Elevation High272m
Elevation Low257m
Weather Forecast
High12°C
Low10°C
Chance of Rain88%
How hard is Sudbury Rocks Marathon?
Very Easyharder than 1% of marathons
Flattest / easiestHardest
On our difficulty model, Sudbury Rocks Marathon plays about 4 minutes faster than an average road marathon - a genuine PB course for a 3:30 runner. It ranks #1136 hardest of 1150 marathons we analyse, and #49 of 51 in Canada. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Sudbury Rocks 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 time | On Sudbury Rocks Marathon | Difference |
|---|---|---|
| 3:00:00 | 2:51:56 | −08:04 |
| 3:30:00 | 3:20:37 | −09:23 |
| 4:00:00 | 3:49:08 | −10:52 |
| 4:30:00 | 4:17:29 | −12:31 |
| 5:00:00 | 4:45:43 | −14:17 |
| 5:30:00 | 5:13:49 | −16:11 |
| 6:00:00 | 5:41:48 | −18:12 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Sudbury Rocks Marathon 2027 Course Analysis
Sudbury Rocks Marathon is a full marathon held in Sudbury, Canada. It is scheduled for Monday 24 May 2027. The course is run on road surface with 0m of total climbing, with its high point near 272m 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 10°C to 12°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 (88%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Surface Type: Road
Sudbury Rocks 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 Sudbury Rocks Marathon against other marathons to find the right race for your goals.
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