Fundraising for the campaign to save the three threatened breeds has been given a boost with some of the trust's partners saying they will match any donations made by the public.
When a runner goes out fast, it forces the rest of the field to match his pace for fear of falling behind, or else trust that he will blow up down the road and be easily catchable.
The Anthony Nolan Trust estimates that people from Asian backgrounds have only a 40% chance of finding a match, compared with 90% of people of a white European background.