So here in Canada I see that there is one reputable company selling a CBD oil that has:
Total CBD - 16 - 24mg/ml
Total THC - 0.8 - 1.2mg/ml

With that amount of THC, would you be at risk to fail a drug screen if taken the day of a race??

Unlikely, but you might feel the effects of the THC. Not saying that's good or bad, but something to be aware of, depending on your tolerance.

My tolerance for THC is so low that a few mL of that oil would have me giggling on the side of the road and asking spectators for snacks.

I anecdotally note that in the world of reputable companies, products are either strictly CBD-only (barring contamination) or CBD+THC. If all you're looking for is CBD, then don't buy CBD+THC stuff.

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Eliot
blog thing - strava thing