reading previous reviews there is a diversity of opinion from very hard to nice chill hike. The cross country racing athletes frequently do this trail as a run/hike and would find it a standard workout - difficulty according to speed. If you don't hike much it would be hard. The trail is generally well groomed and is fairly continuous uphill but done in nice switchbacks. The trail dwindles away in the upper section but you can find your way to the col between the two peaks easily and then a little less stable footing and micro route finding for the 20-30 minute ascent to the top of Ha Ling. Spectacular views and you feel like you are (because you actually are) on top of a mountain - one that towers over Canmore, so a great objective for anyone - super athlete or new hiker with a goal to go uphill.
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