Over 350 swimmers, including some of the top junior boys and girls like Kareena Shanka, Aaryan Bhosale, Aeka Chatra , Archit Morvekar, Akanksha Shah and Palak Dhami in will be vying for the top honours various age groups viz. Group I (15-17 yrs), Group II (12-14 yrs), Group III (11 yrs) and Group IV (9-10 yrs) in the 3-day Greater Mumbai Amateur Aquatic Association (GMAAA) Annual Junior And Sub-Junior Aquatic Meet-Cum- Selection Trials for the State meet, to be held at Tata Swimming Pool, Chembur, from today.