Kanstantsin Sivtsov (or Siutsou ( be, Канстанцін Віктаравіч Сіўцоў;
Łacinka
The Belarusian Latin alphabet or Łacinka (from be, лацінка or łacinka, BGN/PCGN: ''Latsinka'', ) for the Latin script in general is the common name for writing Belarusian using Latin script. It is similar to the Sorbian alphabet a ...
: Kanstancin Viktaravič Siŭcoŭ; born 9 August 1982) is a
Belarusian former professional
road bicycle racer
Road bicycle racing is the cycle sport discipline of road cycling, held primarily on paved roads. Road racing is the most popular professional form of bicycle racing, in terms of numbers of competitors, events and spectators. The two most common ...
, who rode professionally between 2001 and 2018 for the Itera, Lokomotiv, , , , , , and squads. He retired after provisionally being suspended from the sport following an adverse analytical finding for
erythropoietin
Erythropoietin (; EPO), also known as erythropoetin, haematopoietin, or haemopoietin, is a glycoprotein cytokine secreted mainly by the kidneys in response to cellular hypoxia; it stimulates red blood cell production (erythropoiesis) in the bo ...
(EPO).
Career
Sivtsov was born in the
Belarusian
Belarusian may refer to:
* Something of, or related to Belarus
* Belarusians, people from Belarus, or of Belarusian descent
* A citizen of Belarus, see Demographics of Belarus
* Belarusian language
* Belarusian culture
* Belarusian cuisine
* Byelor ...
city of
Gomel in 1982. He won the
under-23 road race at the
UCI Road World Championships. Sivtsov joined for the 2007 season, and rode the
Tour de France, finishing 32nd overall.
Team High Road (2008–11)
Siutsou moved to for 2008, where he took his first stage race overall victory at the
Tour de Georgia
The Tour de Georgia was a U.S. professional road cycling stage race across the state of Georgia. The race began in 2003 and was contested six times until 2008. It was one of the three events in North America ranked as Hors Classe ( 2.HC) stage r ...
, and came 16th overall in the
Tour de France. In the
2009 Giro d'Italia
9 (nine) is the natural number following and preceding .
Evolution of the Arabic digit
In the beginning, various Indians wrote a digit 9 similar in shape to the modern closing question mark without the bottom dot. The Kshatrapa, Andhra and ...
, Sivtsov won his first two Grand Tour stages, the team time trial on stage one and a successful solo breakaway in stage eight.
Sivtsov enjoyed his most successful year in 2011. He finished tenth overall in the
Giro d'Italia – again winning the team time trial stage – with an eighth-place finish in the
Critérium du Dauphiné, and won the
Belarusian National Time Trial Championships for the first time.
Team Sky (2012–15)

Sivtsov moved to for the 2012 season. He was part of the teams that helped
Richie Porte win the
Volta ao Algarve,
Bradley Wiggins win
Paris–Nice
Paris–Nice is a professional cycling stage race in France, held annually since 1933. Raced over eight days, the race usually starts with a prologue in the Paris region and ends with a final stage either in Nice or on the Col d'Èze overlookin ...
, the
Tour de Romandie and
Critérium du Dauphiné, and
Michael Rogers win
Bayern–Rundfahrt
The International Bayern Rundfahrt ( en, Tour of Bavaria) was a stage race cycling race held each year in Bavaria, Germany, between 1980 and 2015. The race was held as an amateur race between 1980 and 1988, and from 2005 to 2015, the race was orga ...
. Sivtsov was selected to ride the
Tour de France as one of Wiggins' main domestiques, but crashed out on stage three with remaining with a fractured left
tibia, the first retirement of the 2012 Tour.
Sivtsov claimed a solo win on stage two of the
2013 Giro del Trentino
The 2013 Giro del Trentino was the 37th edition of the Giro del Trentino cycling stage race. It started on 16 April in Lienz (Austria) and ended on 19 April in Sega di Ala. The race, that was officially presented on 8 April in Trento, consisted o ...
.
Team Dimension Data (2016)
In October 2015, he announced that he would be leaving Team Sky after four seasons to join for 2016.
Doping case
On 5 September 2018, the UCI announced that an out of competition test had resulted in an adverse analytical finding of
Erythropoietin
Erythropoietin (; EPO), also known as erythropoetin, haematopoietin, or haemopoietin, is a glycoprotein cytokine secreted mainly by the kidneys in response to cellular hypoxia; it stimulates red blood cell production (erythropoiesis) in the bo ...
in a sample collected 31 July 2018. Siutsou was provisionally suspended pending the result of any B sample test. This followed his back injury sustained whilst carrying out a recon of the time trial at the Giro earlier that year.
On 23 June 2020, he was given a four-year ban for doping using EPO.
Major results
;2000
: 6th Time trial,
UCI Junior Road World Championships UCI most commonly refers to:
* University of California, Irvine, a public university in Irvine, California, United States
* Union Cycliste Internationale, the world governing body for the sport of cycling
UCI may also refer to:
* Uganda Cancer ...
;2002
: National Road Championships
::2nd
Time trial
::3rd
Road race
;2003
: 2nd

Points race,
UEC European Under-23 Track Championships
: National Road Championships
::2nd
Road race
::3rd
Time trial
;2004
: 1st

Road race,
UCI Under-23 Road World Championships
: 1st
Time trial, National Road Championships
: 2nd Overall
Volta a Lleida
The Volta a Lleida was a road bicycle racing, road cycling stage race held in the Lleida (province), Lleida region of Spain. It was a 2.2 category race on the UCI Europe Tour between 2005 and 2008.
List of overall winners
{, class="wikitable"
, ...
: 4th
Ruota d'Oro
;2005
: 7th
Trofeo Melinda
Trofeo Melinda was a single-day road bicycle race held annually in Trentino-Alto Adige/Südtirol, Italy. After 2005, the race was organised as a 1.1 event on the UCI Europe Tour. It was created after the disappearance of Giro dell'Umbria, held b ...
;2006
: 1st
Road race, National Road Championships
: 2nd
Subida al Naranco
Subida al Naranco is a professional cycle road race held in Spain in early June each year. The event was first run in 1941 but was not held consistently until 1981. Between 2005 and 2010, the race has been organised as a 1.1 event on the UCI Euro ...
: 3rd
Gran Premio Industria e Commercio Artigianato Carnaghese
: 4th Overall
Course de la Paix
::1st Young rider classification
::1st Stage 5
: 4th
Gran Premio Nobili Rubinetterie
: 9th
Giro di Toscana
: 10th
Giro dell'Emilia
;2007
: 2nd
Giro dell'Appennino
: 3rd
Gran Premio Città di Camaiore
: 3rd
Tre Valli Varesine
: 4th
Giro del Lazio
: 5th
Coppa Placci
: 8th
Gran Premio di Lugano
The Gran Premio di Lugano ( en, Grand Prix of Lugano) is a road bicycle race held annually in Lugano, Switzerland. Prior to 1981 it was held as an individual time trial but in recent years it has been organised as a 1.1 event on the UCI Europe ...
: 8th
Gran Premio di Chiasso
: 9th Overall
Settimana Internazionale di Coppi e Bartali
;2008
: 1st

Overall
Tour de Georgia
The Tour de Georgia was a U.S. professional road cycling stage race across the state of Georgia. The race began in 2003 and was contested six times until 2008. It was one of the three events in North America ranked as Hors Classe ( 2.HC) stage r ...
::1st Stage 6
;2009
:
Giro d'Italia
::1st Stages 1 (
TTT) & 8
: 9th Overall
Tirreno–Adriatico
: 10th Overall
Tour de Romandie
::1st Stage 3 (
TTT)
;2010
: 1st Stage 1 (
TTT)
Vuelta a España
;2011
: National Road Championships
::1st
Time trial
::2nd
Road race
: 8th Overall
Critérium du Dauphiné
: 9th Overall
Giro d'Italia
::1st Stage 1 (
TTT)
;2012
: 5th Overall
Bayern–Rundfahrt
The International Bayern Rundfahrt ( en, Tour of Bavaria) was a stage race cycling race held each year in Bavaria, Germany, between 1980 and 2015. The race was held as an amateur race between 1980 and 1988, and from 2005 to 2015, the race was orga ...
;2013
: 1st
Time trial, National Road Championships
:
Giro del Trentino
The Tour of the Alps is an annual professional cycling stage race in Italy and Austria. First held in 1962, it was named Giro del Trentino ( en, Tour of Trentino) until 2016, and run over four stages in the Trentino-Alto Adige/Südtirol region o ...
::1st Stages 1b (
TTT) & 2
: 1st Stage 2 (
TTT)
Giro d'Italia
:
UCI Road World Championships
::3rd
Team time trial
A team time trial (TTT) is a road bicycle race in which teams of cyclists race against the clock (see individual time trial for a more detailed description of ITT events).
The winning team in a TTT is determined by the comparing the times of ( ...
::10th
Time trial
: 8th Overall
Route du Sud
;2014
: 1st
Time trial, National Road Championships
: 4th Overall
Route du Sud
;2015
: 6th Overall
Settimana Internazionale di Coppi e Bartali
: 7th
Trofeo Andratx-Mirador d'es Colomer
: 8th Overall
Vuelta a Andalucía
;2016
: National Road Championships
::1st
Road race
::1st
Time trial
: 10th Overall
Giro d'Italia
;2017
: 6th Overall
Tour of Croatia
;2018
: 1st

Overall
Tour of Croatia
::1st Stage 3
: 3rd
Time trial, National Road Championships
: 9th Overall
Vuelta a San Juan
Grand Tour general classification results timeline
References
External links
Kanstantsin Siutsou profileat Team Sky
*
*
{{DEFAULTSORT:Sivtsov, Kanstantsin
1982 births
Living people
Sportspeople from Gomel
Belarusian male cyclists
Belarusian Giro d'Italia stage winners
Cyclists at the 2008 Summer Olympics
Cyclists at the 2016 Summer Olympics
Olympic cyclists of Belarus
Belarusian sportspeople in doping cases
Doping cases in cycling