Course comparison
Grandma's Marathon vs Tamarack Ottawa Marathon
Two closely-matched courses — Tamarack Ottawa Marathon edges it for difficulty (5.2 vs 5.1 / 10).
Duluth, US
5.1/ 10 · Hard
Grandma's Marathon: driven by a flat, fast course with mild conditions.
Ottawa, CA
5.2/ 10 · Hard
Tamarack Ottawa Marathon: driven by a flat, fast course with mild conditions.
| Metric | Grandma's Marathon | Tamarack Ottawa Marathon |
|---|---|---|
| Difficulty | 5.1 · Hard | 5.2 · Hard |
| Distance | 42.20 km | 42.20 km |
| Elevation gain | 101 m | 122 m |
| Elevation loss | 137 m | 134 m |
| Highest point | 229 m | 86 m |
| Typical temp | 8–18 °C | 10–20 °C |
| Usual month | June | May |
| Cutoff | 7:00:00 | 7:00:00 |
Grandma's Marathon — elevation
227 m203 m179 m
climbflatdescent
227 m
179 m
0 km10 km20 km30 km40 kmTamarack Ottawa Marathon — elevation
77 m58 m38 m
climbflatdescent
77 m
38 m
0 km10 km20 km30 km40 km