Well, I've always seen it as "kg" and "km", so that's how I'd write it if so inclined. Runners are typically just interested in one unit--distance--and I think the capital K is standard for this context. (And American runners weigh themselves in pounds anyway.)
Re: Make that Km :-p
Date: 2006-02-13 04:42 pm (UTC)Runners are typically just interested in one unit--distance--and I think the capital K is standard for this context. (And American runners weigh themselves in pounds anyway.)