Sylwester Janiszewski (born 24 January 1988) is a Polish
racing cyclist, who last rode for
UCI Continental team .
Janiszewski was suspended for testing positive to
Androstenedione
Androstenedione, or 4-androstenedione (abbreviated as A4 or Δ4-dione), also known as androst-4-ene-3,17-dione, is an endogenous weak androgen steroid hormone and intermediate in the biosynthesis of estrone and of testosterone from dehydroepia ...
after winning the 2012
Memoriał Henryka Łasaka
Memoriał Henryka Łasaka is a single-day road bicycle race held annually in August in Lesser Poland Voivodeship and Silesian Voivodeship, Poland. It was first held in 1999 and from 2005 to 2007, the race was organized as a 1.1 event on the UCI ...
, and was stripped of his win. He won the
Coupe des Carpathes
The Coupe des Carpathes is a one-day cycling race held annually in the Subcarpathian Voivodeship, Poland. It was first held in 2002, and since 2005 has been part of the UCI Europe Tour as a 1.2
The Union Cycliste Internationale (UCI), the world' ...
the following day, but was allowed to retain the victory.
Major results
;2006
: 10th Junior race,
UCI Cyclo-cross World Championships
The UCI Cyclo-cross World Championships are the world championships for cyclo-cross organised by the Union Cycliste Internationale (UCI). Starting in 2020, six events are organized each year – men's elite, women's elite, men's under 23, wome ...
;2008
: 5th Overall
Tour du Loir-et-Cher
: 7th
Memoriał Henryka Łasaka
Memoriał Henryka Łasaka is a single-day road bicycle race held annually in August in Lesser Poland Voivodeship and Silesian Voivodeship, Poland. It was first held in 1999 and from 2005 to 2007, the race was organized as a 1.1 event on the UCI ...
;2009
: 5th
Prague–Karlovy Vary–Prague
;2010
: 2nd
Szlakiem Grodów Piastowskich
The Szlakiem Grodów Piastowskich, officially known as the CCC Tour - Grody Piastowskie, is a road bicycle racing stage race held annually in Lower Silesian Voivodeship, Poland. It was first held in 1966 and since 2005, it has been organised as a ...
Criterium
: 6th
Puchar Ministra Obrony Narodowej
The Puchar Ministra Obrony Narodowej is a bicycle race held in Masovian Voivodeship, Poland. It was first held in 1958 and since 2005, the race has been organised as a 1.2 event on the UCI Europe Tour
The UCI Continental Circuits are a series of r ...
: 7th
Tour du Finistère
Tour du Finistère is a single-day road bicycle race held annually in April around the city of Quimper, France. Since 2005, the race is organized as a 1.1 event on the UCI Europe Tour, also being part of the Coupe de France de cyclisme sur route ...
: 7th
Tallinn–Tartu GP
: 9th Overall
Szlakiem Walk Majora Hubala
The Szlakiem Walk Majora Hubala is a multi-day road cycling race held annually in Poland. It was first held in 2000 and was part of the UCI Europe Tour in category 1.2 in 2005 and 2.2 from 2007 to 2010. The race was discontinued in 2010 until 2016 ...
;2011
: 8th
Puchar Ministra Obrony Narodowej
The Puchar Ministra Obrony Narodowej is a bicycle race held in Masovian Voivodeship, Poland. It was first held in 1958 and since 2005, the race has been organised as a 1.2 event on the UCI Europe Tour
The UCI Continental Circuits are a series of r ...
;2012
: 1st
Coupe des Carpathes
The Coupe des Carpathes is a one-day cycling race held annually in the Subcarpathian Voivodeship, Poland. It was first held in 2002, and since 2005 has been part of the UCI Europe Tour as a 1.2
The Union Cycliste Internationale (UCI), the world' ...
: 1st Prologue
Dookoła Mazowsza
: 1st Stage 4
Bałtyk–Karkonosze Tour
The Bałtyk–Karkonosze Tour is a cycling race in West Poland that runs between the Baltic Sea and the Karkonosze. The first edition was held in 1993 as an amateur race as the Karkonosze Tour with stages in the Wałbrzych Voivodeship and Jelenia ...
: 3rd
Road race, National Road Championships
: 3rd
Memoriał Andrzeja Trochanowskiego
The Memoriał Andrzeja Trochanowskiego (''Andrzej Trochanowski Memorial'') is a one-day cycling race held annually on 1 May in the Masovian Voivodeship, Poland. It was first held in 1989 and since 2005 has been part of the UCI Europe Tour as a 1. ...
:
1st Memoriał Henryka Łasaka
Memoriał Henryka Łasaka is a single-day road bicycle race held annually in August in Lesser Poland Voivodeship and Silesian Voivodeship, Poland. It was first held in 1999 and from 2005 to 2007, the race was organized as a 1.1 event on the UCI ...
:
7th Puchar Ministra Obrony Narodowej
The Puchar Ministra Obrony Narodowej is a bicycle race held in Masovian Voivodeship, Poland. It was first held in 1958 and since 2005, the race has been organised as a 1.2 event on the UCI Europe Tour
The UCI Continental Circuits are a series of r ...
;2015
: 1st Stage 4
Szlakiem Grodów Piastowskich
The Szlakiem Grodów Piastowskich, officially known as the CCC Tour - Grody Piastowskie, is a road bicycle racing stage race held annually in Lower Silesian Voivodeship, Poland. It was first held in 1966 and since 2005, it has been organised as a ...
: 6th
Memoriał Romana Siemińskiego
The Memoriał Romana Siemińskiego is a one-day cycling race held in the Masovian Voivodeship, Poland. It was first held in 1998 and has been part of the UCI Europe Tour
The UCI Continental Circuits are a series of road bicycle racing competition ...
: 6th
Memoriał Andrzeja Trochanowskiego
The Memoriał Andrzeja Trochanowskiego (''Andrzej Trochanowski Memorial'') is a one-day cycling race held annually on 1 May in the Masovian Voivodeship, Poland. It was first held in 1989 and since 2005 has been part of the UCI Europe Tour as a 1. ...
;2016
: 2nd
Memoriał Henryka Łasaka
Memoriał Henryka Łasaka is a single-day road bicycle race held annually in August in Lesser Poland Voivodeship and Silesian Voivodeship, Poland. It was first held in 1999 and from 2005 to 2007, the race was organized as a 1.1 event on the UCI ...
: 3rd
Road race, National Road Championships
: 4th Overall
Dookoła Mazowsza
: 5th
Puchar Ministra Obrony Narodowej
The Puchar Ministra Obrony Narodowej is a bicycle race held in Masovian Voivodeship, Poland. It was first held in 1958 and since 2005, the race has been organised as a 1.2 event on the UCI Europe Tour
The UCI Continental Circuits are a series of r ...
: 8th
Memoriał Romana Siemińskiego
The Memoriał Romana Siemińskiego is a one-day cycling race held in the Masovian Voivodeship, Poland. It was first held in 1998 and has been part of the UCI Europe Tour
The UCI Continental Circuits are a series of road bicycle racing competition ...
;2017
: 1st Stage 4
Bałtyk–Karkonosze Tour
The Bałtyk–Karkonosze Tour is a cycling race in West Poland that runs between the Baltic Sea and the Karkonosze. The first edition was held in 1993 as an amateur race as the Karkonosze Tour with stages in the Wałbrzych Voivodeship and Jelenia ...
: 2nd
Memoriał Henryka Łasaka
Memoriał Henryka Łasaka is a single-day road bicycle race held annually in August in Lesser Poland Voivodeship and Silesian Voivodeship, Poland. It was first held in 1999 and from 2005 to 2007, the race was organized as a 1.1 event on the UCI ...
:
Visegrad 4 Bicycle Race
::2nd GP Czech Republic
::3rd Grand Prix Poland
: 3rd Overall
East Bohemia Tour
: 3rd
Memorial Grundmanna I Wizowskiego
The Memorial Grundmanna I Wizowskiego is a one-day cycling race held in Poland. It was previously part of the UCI Europe Tour as a category 1.2
The Union Cycliste Internationale (UCI), the world's governing body in the sport of bicycle racing, c ...
: 3rd
Puchar Ministra Obrony Narodowej
The Puchar Ministra Obrony Narodowej is a bicycle race held in Masovian Voivodeship, Poland. It was first held in 1958 and since 2005, the race has been organised as a 1.2 event on the UCI Europe Tour
The UCI Continental Circuits are a series of r ...
: 6th
Race Horizon Park Classic
: 8th
Coupe des Carpathes
The Coupe des Carpathes is a one-day cycling race held annually in the Subcarpathian Voivodeship, Poland. It was first held in 2002, and since 2005 has been part of the UCI Europe Tour as a 1.2
The Union Cycliste Internationale (UCI), the world' ...
;2018
: 1st
Course de Solidarność et des Champions Olympiques
The Course de la Solidarité Olympique ( pl, Wyścig Solidarności i Olimpijczyków; en, Race of Solidarity and Olympics) is a road bicycle racing stage race held annually in Poland. From 1991 until 1995, it was a race for amateurs, becoming a pro ...
::1st

Points classification
::1st Stages 1 & 5
: 2nd
Memoriał Andrzeja Trochanowskiego
The Memoriał Andrzeja Trochanowskiego (''Andrzej Trochanowski Memorial'') is a one-day cycling race held annually on 1 May in the Masovian Voivodeship, Poland. It was first held in 1989 and since 2005 has been part of the UCI Europe Tour as a 1. ...
: 5th
Memorial Grundmanna I Wizowskiego
The Memorial Grundmanna I Wizowskiego is a one-day cycling race held in Poland. It was previously part of the UCI Europe Tour as a category 1.2
The Union Cycliste Internationale (UCI), the world's governing body in the sport of bicycle racing, c ...
: 6th Grand Prix Poland,
Visegrad 4 Bicycle Race
: 7th
Road race, National Road Championships
: 7th
Minsk Cup
The Minsk Cup is a one-day cycling race held annually in Minsk, Belarus. It is part of UCI Europe Tour in category 1.2
The Union Cycliste Internationale (UCI), the world's governing body in the sport of bicycle racing, classifies races according ...
: 8th
Memoriał Romana Siemińskiego
The Memoriał Romana Siemińskiego is a one-day cycling race held in the Masovian Voivodeship, Poland. It was first held in 1998 and has been part of the UCI Europe Tour
The UCI Continental Circuits are a series of road bicycle racing competition ...
: 9th Overall
Okolo Jižních Čech Okolo is a surname. Notable people with the surname include:
* Bartho Okolo, Nigerian biologist
*Courtney Okolo
Courtney Okolo (born March 15, 1994) is an American track and field sprinter who usually competes in the 400 metres. She starred at ...
;2019
: 1st
Memorial Grundmanna I Wizowskiego
The Memorial Grundmanna I Wizowskiego is a one-day cycling race held in Poland. It was previously part of the UCI Europe Tour as a category 1.2
The Union Cycliste Internationale (UCI), the world's governing body in the sport of bicycle racing, c ...
: 3rd
Memoriał Romana Siemińskiego
The Memoriał Romana Siemińskiego is a one-day cycling race held in the Masovian Voivodeship, Poland. It was first held in 1998 and has been part of the UCI Europe Tour
The UCI Continental Circuits are a series of road bicycle racing competition ...
: 4th Overall
Course de Solidarność et des Champions Olympiques
The Course de la Solidarité Olympique ( pl, Wyścig Solidarności i Olimpijczyków; en, Race of Solidarity and Olympics) is a road bicycle racing stage race held annually in Poland. From 1991 until 1995, it was a race for amateurs, becoming a pro ...
: 7th
Korona Kocich Gór
The Korona Kocich Gór is a one-day cycling race held in Poland. It was first held in 2013 and has been part of the UCI Europe Tour in category 1.2
The Union Cycliste Internationale (UCI), the world's governing body in the sport of bicycle racin ...
;2020
: 1st Stage 4
Belgrade–Banja Luka
: 2nd Overall
Course de Solidarność et des Champions Olympiques
The Course de la Solidarité Olympique ( pl, Wyścig Solidarności i Olimpijczyków; en, Race of Solidarity and Olympics) is a road bicycle racing stage race held annually in Poland. From 1991 until 1995, it was a race for amateurs, becoming a pro ...
::1st Stage 4
: 6th GP Slovakia,
Visegrad 4 Bicycle Race
References
External links
*
{{DEFAULTSORT:Janiszewski, Sylwester
1988 births
Living people
Polish male cyclists
Sportspeople from Katowice
21st-century Polish sportsmen