Ottawa, Canada

Tamarack Homes Ottawa International Marathon

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Distances: Marathon (42.195 km)

42 Index

Marathon (42.195 km)

How is Index 42 calculated?

No data

Next edition

May 30, 2027

Start time

07:00

Registration · 2027

Opening: date unknown

Closing: date unknown

Following

About the event

Tamarack Homes Ottawa International Marathon is a marathon in Ottawa, Canada, listed in the Abbott World Marathon Majors race directory. Dates and the status of individual editions are recorded separately.

Distances in this edition

Marathon
May 30, 202707:00to confirm

Weather forecast

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Weather around the start window — Marathon, 07:00 — recent editions

2026

Temperature: 14°C
Dew point: 8°C
Humidity: 69%
Wind: 12 km/h
Index 2026: 5.6

This race's Index

Averaged from the last 3 years of weather data.

No data

Route (T)No data — no route uploaded (GPX)

Climate (C)No data — no weather data for this race yet

Elevation (ASL)—

Course

Route map

Route map — coming soon

Elevation profile

Elevation profile — coming soon

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