The results are in for our 2026 Best Marathons poll.
See the best marathons in each state, as voted by runners.
New Brunswick has 1 active marathons this year. Races are most common in May. Course terrain for these courses is most often mostly flat. Typical race day temperatures range from 55°F to 55°F.
Popular races include the Fredericton Marathon. 1 certified courses can be great Boston qualifier options. Races with the best Boston qualifying percentages include the Fredericton Marathon — 24.2% BQ.
| New Brunswick Marathons |
Course
|
PR Score
|
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|---|---|---|---|---|---|---|---|
Fredericton MarathonFredericton, NB05/10/2026 |  Mostly Flat 368 Finishers |
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