Tessa Sanderson for heptathlon

1981, Tessa decided to once again explore her potential in multi-event competition, achieving immediate success when she set two Commonwealth records in the heptathlon, firstly scoring 5906 points in June,only throw a terrible 57.76m javelin,well below-par her SB 68.86 on 30.5, and then 6110 points at Brussels in July,setting a heptathlon best 64.64m.
13.72-1.63-12.78_24.89-5.97-64.64-2.26.20 6110/6125[according to 1985 new system until now.
One deserves our attention is that her javelin performance is unconsistencily,despite javelin is indeed a high technical event.the following list proves the point.
1981
63.72 1 Auckland 24.1.
57.00 1 Wellington 28.1.
61.56 1 Christchurch 1.2.
62.66 2 Melbourne 4.2.
62.58 2 Sydney 8.2.
65.32 1 Birmingham 2.5.
62.84 1 Hornchurch 4.5.
60.60 H Birmingham 10.5.
68.86 1 Fürth 30.5.
57.76 H Saskatoon 14.6.
65.28 1 London 24.6.
65.04 1 Edinburgh 5.7.
64.64 H Bruxelles 12.7.
67.24 1 Spalding 2.8.
65.94 2 Zagreb 15.8.
68.60 1 London 31.8.
68.72 1 London 11.9.
65.96 1 Birmingham 13.9.
63.84 1 Birmingham 19.9
However, after suffering a severe Achilles tendon injury during the 1982 indoor season, which caused her to miss the whole of that yearís outdoor campaign, Sanderson decided to concentrate solely on the javelin for the remainder of her. Sanderson decided to concentrate solely on the javelin for the remainder of her career. This strategy quickly brought results, as Tessa improved her Commonwealth javelin record twice in 1983, firstly to 70.82m on 5 June, and then a career best of 73.58m three weeks later. However, at the inaugural World Championships at Helsinki on 13 August, Sanderson finished 4th with a best throw of 64.76m, having been well beaten by Tiina Lillak (Finland), and Tessa's younger compatriot Fatima Whitbread, who had emerged during 1983 to challenge Sanderson's domestic dominance of the event. The following year in Los Angeles, competing in her third Olympics, Sanderson threw an Olympic record of 69.56m in the first roundThis remained the best throw of the competition, winning Sanderson the gold medal.More respectable messages certainly belongs to her prolong career beyond 20 years until 1997 when 41 years old.
Last but not the least,her individual PB is worthy of reaserching.
Javelin 73.58 (1983), 200m 24.89 (1981), 400m 57.3 (1972), 800m 2:26.20 (1981), 100mh 13.46 (1981), 400mh 60.46 (1977), HJ 1.69 (1973), LJ 5.97 (1981), SP 13.27 (1981), Hep 6125 (1981).
Indoors: 60mh 8.5 (1977), Pen 3623 (1973).