Andy’s options for on-the-        Andy does not want to 
         When he isn’t cycling, Andy      Andy’s bicycle has holders           road snacks are:          consume more than 250 kcal        500 ml of energy drink 
        likes to solve maths problems      which carry up to three        bananas, energy bars,          an hour on rides of less than    contains 190 kcal and costs 
                                          1-litre water/drinks bottles   energy gels, cheap cereal                  5 hours                          £1.39 
                                                                           bars or energy drinks. 
            A big meal contains                                             A REALLY BIG meal              An energy bar contains           A pack of energy gel 
           approximately 800 kcal             1 mile = 1.61 km             contains approximately           220 kcal, costs £1 and        contains 110 kcal, costs £1 
                                                                                  1000 kcal                       weighs 65g                    and weighs 42g 
                                                                                                          Andy’s cycling jersey has 8 
           An average adult male        A cheap cereal bar contains                                       pockets. Each pocket holds          A banana contains  
            who does not do lots           100 kcal, costs 16p and             1 kcal = 4.19 kJ                   1 banana,                 120 kcal, costs 10p and 
             of physical activity                weighs 25g                                                     1 energy bar,                 weighs about 120g 
           needs 2500 kcal a day                                                                              3 energy gels or  
                                                                                                            2 cheap cereal bars 
             Andy likes to eat a                                                                         On a ride that takes several 
             big meal before a              Andy cycles at 14 mph                                           days, Andy eats three         As well as his meals, Andy 
            short training ride.              on rides that take          Andy is a 20-year-old man      REALLY BIG meals a day:          can have up to 1000 kcal of 
         The energy for this meal is         more than one day                                                  in the morning,           off-the-road snacks a day if 
           released during his ride                                                                        after he finishes cycling,             he needs to 
                                                                                                              and in the evening 
                                              The distance from          On the road, Andy can stop                                         Andy does not want to 
        Andy drinks about 500 ml of            Land’s End to                  to re-fill his bottles     Andy won’t be able to top-up    consume more than 350 kcal 
          fluids per hour of cycling           John o’ Groats           (with water only). He doesn’t    with snacks or energy drinks      an hour on rides of more 
                                                 is 1407 km               want to do this more than            while on the road                 than 5 hours 
                                                                            once every two hours 
        Andy doesn’t like to average      Andy uses about 100 kJ of                                         Andy cycles at 19 mph         Andy doesn’t eat anything 
        more than 7 hours of cycling        energy to cycle 1 km           A typical short training           on rides that take          while cycling that he can’t 
        a day on rides that take more     (in addition to his normal         ride is 2 hours long             less than one day               carry in his pockets 
                than one day                     energy use) 
        	
  
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