Speedskating
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Sieb Wiersma

Netherlands (NED) October 1969 (M50)

Personal Records

500m	43,65	14 October 2007	Den Haag (NED)
1000m	1.27,33	25 March 2008	Den Haag (NED)
1500m	2.09,20	22 January 2008	Heerenveen (NED)
3000m	4.37,32	4 November 2007	Den Haag (NED)
5000m	8.03,20	6 January 2008	Den Haag (NED)

Season Bests

500m	47,42	15 March 2015	Den Haag (NED)
1500m	2.25,35	15 March 2015	Den Haag (NED)

500m	46,80	16 March 2014	Den Haag (NED)
1500m	2.22,60	16 March 2014	Den Haag (NED)

500m	46,06	5 November 2011	Den Haag (NED)
1000m	1.30,97	5 November 2011	Den Haag (NED)
1500m	2.22,00	14 January 2012	Den Haag (NED)

500m	45,12	11 December 2010	Den Haag (NED)
1000m	1.29,66	11 December 2010	Den Haag (NED)
1500m	2.19,22	20 March 2011	Den Haag (NED)
3000m	4.52,13	12 February 2011	Utrecht (NED)

500m	44,82	12 December 2009	Den Haag (NED)
1000m	1.28,31	14 March 2010	Eindhoven (NED)
1500m	2.14,79	31 January 2010	Den Haag (NED)
3000m	4.49,70	15 November 2009	Den Haag (NED)

500m	44,81	19 October 2008	Den Haag (NED)
1500m	2.14,91	19 October 2008	Den Haag (NED)
3000m	4.43,61	27 March 2009	Den Haag (NED)

500m	43,65	14 October 2007	Den Haag (NED)
1000m	1.27,33	25 March 2008	Den Haag (NED)
1500m	2.09,20	22 January 2008	Heerenveen (NED)
3000m	4.37,32	4 November 2007	Den Haag (NED)
5000m	8.03,20	6 January 2008	Den Haag (NED)

Results

500m	15 March 2015	47,42	SB
1500m	15 March 2015	2.25,35	SB

500m	16 March 2014	46,80	SB
1500m	16 March 2014	2.22,60	SB

500m	14 January 2012	46,19
1500m	14 January 2012	2.22,00	SB

500m	5 November 2011	46,06	SB
1000m	5 November 2011	1.30,97	SB

1000m

22 March 2011

1.30,35

Native Language Names

Records

Results

Season Category Location

Distances

Season Distance Location Sort