Lladnaar

When I started cycling regularly I was about 15 beats below my running effort; only slightly less than the difference you've stated. These days I'm about even. So it looks like a good start, with room to improve as you get used to the different sport.

Do you have a HRM? If so just try and get a similar, or slightly lower (many people have a lower max HR cycling vs running), rate to your run training.

If you already have a smart phone which has bluetooth 4 / smart / low energy (iphone 4S+, recent android) then you could use one of the free apps and a BT smart HRM. They are about £45 / $50. Not sure if that will fit in your budget?

During the winter evenings I do intervals on a stationary bike. My standard set has my heart rate up at 90% for 1 minute of each of the 8 intervals. I started this routine largely to relieve the monotony of stationary exercise, as it has me changing effort every minute or two. But it's actually aided my regular outdoor…

I really like it, now. First couple of Bikram classes were hard, but I committed myself to twice a week for my first month to really try it out. Now it's part of my regular routine at once a week. The deep warm stretches and addition flexibility and balance have helped all my other exercise and recovery. I usually do it…