Black run credentials: you can't beat practising with the real thing and the 170m main slope will break you in gently..
Cost and contact: £21 per hour. Xscape Milton Keynes, 602 Marlborough Gate, MK9, 0871 222 5670, www.snozonemiltonkeynes.com.
SKILATES
What is it? A low-intensity calorieburning workout using Pilates and yoga techniques to work every major muscle group.
Black run credentials: it will strengthen injury-prone areas such as the knees and shoulders, correct your hip-knee-foot alignment and increase your spinal mobility and core strength. Breathing exercises will also help you to adapt to the high-altitude environment.
Cost and contact: £15 per drop in class or £130 for 10. Venues vary across south London, www.palecekprinciples.co.uk/ski_lates.htm.
NORDIC WALKING
What is it? An enhancement of ordinary walking using poles to propel you along. It works your legs and the upper body muscles simultaneously.
Black run credentials: the use of poles makes Nordic walking twice as effective as ordinary walking, burning 46 per cent more calories, reducing the pressure on the knees and joints and building your fitness and endurance.
Cost and contact: from £15 for an introductory session, £65 for a four to six-week technique course and £8 for drop-in classes thereafter. Visit the website to find your nearest instructor. 0845 260 9339, www.nordicwalking.co.uk.