▁milk ▁cart ons . ▁Ent ries ▁always ▁range ▁from ▁those ▁carefully ▁sh aped ▁for ▁speed ▁and ▁stability ▁to ▁those ▁designed ▁for ▁maximum ▁am usement . ▁The ▁Derby ▁is ▁usually ▁associated ▁with ▁a ▁variety ▁of ▁activities ▁for ▁children ▁and ▁families ▁on ▁the ▁sh ores ▁of ▁Green ▁Lake . ▁ ▁The ▁Se af air ▁Half ▁Mar athon ▁was ▁added ▁in ▁ 2 0 0 2 , ▁follow ▁three ▁years ▁later ▁by ▁the ▁full ▁Se af air ▁Mar athon . ▁Part icip ants ▁can ▁run ▁or ▁walk ▁the ▁ ▁and ▁ ▁courses . ▁If ▁a ▁shorter ▁distance ▁is ▁more ▁appe aling , ▁participants ▁can ▁run ▁or ▁walk ▁a ▁ 5   km ▁course . ▁The ▁ 2 0 0 8 ▁Se af air ▁Half ▁Mar athon ▁and ▁Se af air ▁Mar athon ▁began ▁at ▁Hus ky ▁Stadium , ▁crossed ▁the ▁Ever green ▁Point ▁Flo ating ▁Bridge , ▁and ▁ended ▁at ▁Belle vue , ▁Washington ' s ▁Belle vue ▁Dow nt own ▁Park . ▁After ▁the ▁race , ▁live ▁music ▁was ▁performed . ▁In ▁ 2 0 0 9 , ▁the ▁Se af air ▁Mar athon ▁and ▁Half ▁Mar athon ▁were ▁replaced ▁with ▁the ▁Rock ▁' n ' ▁Roll ▁Seattle ▁Mar athon ▁and ▁Half ▁Mar athon . ▁ ▁In ▁ 2 0 1 3 , ▁an ▁Independ ence ▁Day ▁fire works ▁show ▁at ▁Lake ▁Union ▁known ▁as ▁the ▁Se af air ▁Summer ▁Four th ▁was ▁added . ▁The ▁event ▁serves ▁as ▁a ▁successor ▁to ▁the ▁Family ▁Four th ▁event ▁that ▁was ▁also ▁held ▁at ▁Lake ▁Union ,