Review 4x100m and 4x400m Relays at Daegu 2011 and Moscow 2013

A glance at the 4x100m and 4x400m  medal winners  at the IAAF World Championships at Daegu 2011 and Moscow 2013

M 4x100m - Daegu 2011 -------- Moscow 2013
Gold -------- JAM 37.04 (WR) --- JAM 37.36 (WL)
Silver ------- FRA 38.20 (SB) ----- USA 37.66
Bronze ----- SKN 38.49 ----------- CAN 37.92
DNF -------- USA

W 4x100m - Daegu 2011 -------- Moscow 2013
Gold -------- USA 41.56 (WL) --- JAM 41.29 (CR) (WL) (NR)
Silver ------- JAM 41.70 (NR) ---- USA 42.75
Bronze ------ UKR 42.51 (SB) ---- GBR 42.87


M 4x400m - Daegu 2011 -------- Moscow 2013
Gold -------- USA 2:59.31-------- USA 2:58.71 (WL)
Silver ------- RSA 2:59.87 -------- JAM 2:59.88  (SB)
Bonze ------ JAM 3:00.10 --------- RUS 2:59.90 (SB)

W 4x400m - Daegu 2011 --------- Moscow 2013
Gold -------- USA 3:18.09 (WL) -- RUS 3:20.19 (WL)
Silver ------- JAM 3:18.71 (NR) --- USA 3:20.41 (SB)
Bronze ------ RUS 3:19.36 (SB) --- GBR 3:22.61 (SB)
Finished 2nd in Heat and disqualified - JAM


Statistics :
4x100m
Men
WR 36.84 - Jamaica - London 2012
WL 37.36 - Jamaica - Moscow 18 Aug

Women
WR 40.82 - United States - London 2012
WL 41.29 - Jamaica - Moscow 18 Aug

4x400m
Men
WR 2:54.29 - United States 1993 Stuttgart
WL 2:58.71 - United States - Moscow 16 Aug

Women
WR 3:15:17 - Soviet Union 1988 Seoul
WL 3:20:19 - Russia - Moscow 17 Aug