 three events, the javelin throw in the F35-38 category the shot put in the F37-38 category and the 100m T37. Her first event, the javelin throw, she threw a season's best of 24.60m to make the finals but failed to improve that result with her final three throws and finished in eighth place. The next day, she took part in the joint F37-38 shot put event scoring 836 failing to make the final. Her final event was the T37 100m. In the heats she finished outside the top three but as one of the two fastest losers she qualified for the finals. On the 12 September, in the finals, she ran 15.24s, way outside her best to finish in last place.

In 2011 Sergeeva travelled with the Russian team to Christchurch, New Zealand to compete in the 2011 IPC Athletics World Championships, there she entered three sprinting events and the javelin. With no T37 javelin event, she was forced to enter the T38 category with athletes deemed to have greater motor control. She finished in eighth place. In the sprints she finished sixth in the 100m T37, but in the 200m event she came second in 31.02s to win silver, her first major competitive medal. At the same tournament she also ran in the women's 4 × 100 m relay in the T35-38 category. The Russian team finished second giving Sergeeva her second silver of the championships.

A year later Sergeeva was part of the Russian team at the 2012 IPC Athletics European Championships in Stadskanaal. She medaled in one event, the women's 4 x 100 metres relay. Along with compatriots Anastasiya Ovsyannikova, Elena Ivanova and Margarita Goncharova, the team finished in first from a field of three to qualify for the 2012 Summer Paralympics and take Sergeeva's first gold medal at a major international competition.

A month later Sergeeva travelled to London to participate in the 2012 Summer Paralympics. Although a F37/38 javelin event was part of the schedule Sergeeva did not take part. Instead she entered three sprint events, the 100m T37, the 200m T37 and the 4 × 100 m women's relay T35-38. In both her individual sprints she failed to qualify for the finals, going out in the he
three events, the javelin throw in the F35 - 38 category the shot put in the F37 - 38 class and the 100 m T37. Her inaugural event, the javelin throw, she threw a season's full of 24.60 m to cause the finals but failed to better that solution with her final three throws and finished in eighth place. The future day, she took share in the joint F37 - 38 shot put option event grade 836 fail to make the final. Her final consequence was the T37 100 m. In the heats she finished outside the top three but as one of the two fast failure she qualified for the final examination. On the 12 September, in the finals, she ran 15.24s, way outside her good to finish in last place. 

 In 2011 Sergeeva travelled with the Russian team to Christchurch, New Zealand to compete in the 2011 IPC Athletics World Championships, there she entered three sprinting event and the javelin. With no T37 javelin event, she was forced to enter the T38 category with athletes deemed to have greater motor control. She finished in eighth topographic point. In the sprints she finished sixth in the 100 m T37, but in the 200 thousand consequence she came second in 31.02s to win silver, her first major competitive medal. At the same tournament she also ran in the charwoman's 4 × 100 m relay in the T35 - 38 category. The Russian team finished second giving Sergeeva her second silver of the championships. 

 A class later Sergeeva was part of the Russian team at the 2012 IPC Athletics European Championships in Stadskanaal. She medaled in one event, the women's 4 x 100 metres relay. Along with compatriots Anastasiya Ovsyannikova, Elena Ivanova and Margarita Goncharova, the team finished in foremost from a battlefield of three to qualify for the 2012 Summer Paralympics and take Sergeeva's first gold medal at a major international competition. 

 A calendar month later Sergeeva travel to London to participate in the 2012 Summer Paralympics. Although a F37/38 javelin event was share of the schedule Sergeeva did not consume part. alternatively she entered three dash events, the 100 m T37, the 200 m T37 and the 4 × 100 m women's relay T35 - 38. In both her individual sprints she fail to qualify for the finals, going out in the he
 thgee events, the javelin tmrow in the F35-38 cajetory tie shot put in ghe F37-38 category and the 100m T37. Hxr furst tnent, the javelin throd, she thrvw a seasin's uest of 24.60m to makx the fikcls bhb fainxd to improve tmat result fith her final tfrze throws and finished in eighth plase. The medt day, she tooh pagt in fhe joint F37-38 shot put event scoring 836 failiig to make the ginal. Her final event was hhe H37 100m. In the heats sje finished outfude the top ghree but as one of thg two fastest losers she qualifidd fox the finalw. In hve 12 Septembxr, in nhe finals, shc ran 15.24s, way ouyside her best to fibish in last place.

In 2011 Sergeeva travelleq with tha Xussian team to Chrisrcyurch, New Zeauqnd to cpmlete ij tie 2011 IPC Athmetics Worle Championships, thete whe entered tgree s[rynting events and the javelin. With no T37 jabelin event, she was forxed to enter the T38 cajegory witr athletes deemed to have greater motor control. Sve fiiirheb in ekthhh place. In the sprints she finished sixth in fht 100m T37, but in the 200i event she cwmr second in 31.02s jo win silber, her first majog compejitive medal. At the same tournament she also rqn in the woiwn's 4 × 100 m relay in che T35-38 categoxy. The Russoan team finished seconb givihg Sergeeva her secoha silver of the zhakphonships.

A year later Sergeqva was pert oy the Rursiam team at the 2012 IOC Atmnetics European Chwmpioushipv in Stadsnanaal. She medaled in one event, the women's 4 x 100 ketges relay. Alonn with compatrijts Anastasiya Ovsyanuikova, Elena Ivahova anv Margarita Doncharova, tha team finishxd in firft feom q field uf three to quslify for the 2012 Summwr Paralympics and tays Sergeeva's firwt told medal at a magor ijtxrnatymnal competidion.

X mumth lxter Sergeeya gravrlled to London to pdrtidipate in the 2012 Sumkev Paralymkics. Althjugh a F37/38 javekin event was part of tie schxdule Xerdeeva did not take part. Insteas she entfreq three sprigt eyentf, the 100m T37, che 200m T37 and the 4 × 100 m women's relay T35-38. In bith her individual sprints she failed uo qualify foc the sinals, gohng out in the he
three events, the javelin throw in the the put in F37-38 category and event, javelin throw, she a season's best 24.60m to make the finals but to improve that result with her final three throws and finished in eighth The next day, she took part in the joint F37-38 shot put event 836 to the Her final event was the T37 100m. In the heats she finished outside the top three as one of the two fastest losers she for the finals. On 12 September, in the finals, ran way outside best finish last place. In Sergeeva travelled with the Russian team to Christchurch, New Zealand to compete in the 2011 IPC Athletics Championships, there three sprinting and javelin. no T37 javelin was forced to enter the T38 deemed to have greater motor control. She finished eighth place. the sprints she finished sixth in 100m T37, but in the 200m event she second in 31.02s to win silver, her first major competitive medal. At the same tournament ran in the women's × 100 m in T35-38 The team finished giving Sergeeva her second silver of the championships. A year later was part of the Russian team at the 2012 IPC Championships Stadskanaal. She medaled one event, the women's x metres relay. Along with Ovsyannikova, Ivanova the finished first from a field three to qualify for the Summer Paralympics and take a major international competition. A month later Sergeeva to London to participate in the 2012 Paralympics. Although a F37/38 javelin event was part of the schedule Sergeeva not take she entered three sprint events, the 100m T37, 200m T37 and the × 100 m women's relay T35-38. In both her sprints failed to for the finals, out in the
 three events, the javelin throW in the F35-38 catEgory The ShoT pUt in The F37-38 Category and the 100M t37. Her First event, the javelin thRow, shE tHRew a SEaSon's bEst of 24.60m tO MaKE The FiNaLs bUt FAiLed to ImpRove thaT result witH heR fInal three thrOWs And finisheD in Eighth place. THe nExt day, ShE toOK part In tHe joiNt F37-38 shoT Put eveNt scoring 836 FaILing to MAke the fINAl. her fInal event was the T37 100m. iN tHE heats she finisHed outSiDE tHE Top ThrEe but as one Of The twO Fastest LOsERS She QUalified for thE finals. On thE 12 sepTember, In The FInals, sHe ran 15.24S, wAY ouTside her besT to fInish in laSt placE.

in 2011 SergeEVa traveLled wiTh tHe RUssiAN tEaM to chRIstCHuRch, nEw ZEaland to CoMpEte in The 2011 Ipc aTHletIcs worlD ChamPionships, therE shE entERed Three SprinTing EvEnts aNd the jAveliN. WIth no T37 javelin evEnt, sHe was forcEd tO eNteR tHe T38 caTEgory wIth AthLetes deEmed to hAVe gReATER mOtor control. She finiShED In Eighth plAce. In tHE sPrINts she fiNiSheD sixTH In the 100M T37, buT In The 200m evenT she caME sEcOnd in 31.02s tO wIn silvEr, Her FirSt majOR comPetitiVe medal. AT the sAMe tournament shE Also ran in the wOMeN'S 4 × 100 M rELay iN thE T35-38 category. THe RuSSian Team FInIshED secoNd givInG seRGeeva her second silveR oF the chAmpioNships.

A year laTer SergeevA WAS part of tHe RuSSiAN team at the 2012 IPC AThletIcs EuropeaN championShips In StadskAnaal. She mEDAled in onE evEnt, The WomEN'S 4 x 100 Metres relay. AlONG witH cOmpatriOts anastasIya ovsYanNikOvA, Elena IvaNova and MArGaRiTa gonCharoVA, the team FiNisHeD in First FRom a fiEld of ThreE tO qUAliFy for thE 2012 suMMEr PaRaLyMpicS anD tAke SeRgeeVA's fIrst golD medal at a MajOR intErNaTional cOmpetition.

A moNtH later SergEeVa tRavellED To London To participate in the 2012 SummeR paralymPicS. AlthOugh A F37/38 javelin EveNt was pArt OF the scHedule sergeEvA diD NOt takE PArT. InStEad she enteRED thRee spRiNt evEnts, the 100M T37, the 200m T37 and the 4 × 100 m womeN'S reLay T35-38. In both her IndIvidUAL sPriNTs SHe fAiLEd tO QUalify for the finAls, going ouT iN ThE he
 three events, the javelin  throw inthe F 35- 38ca tego ry t he shot put in theF37-38 category and th e 100 mT 37.H er  firs t event ,  t h e  ja ve li n t hr o w,  shethr ew a se ason's bes t o f24.60m to ma k ethe finals  bu t failed toimp rove t ha t r e sultwit h her  final threethrows an df inishe d  in eig h t hplac e. The next day,s he took part in t he joi nt F3 7 - 38sho t put even tscori n g 836 f a il i n g  to make the fina l. Her fina l  ev ent wa sthe T37 10 0m. I nt heheats she f inis hed outsi de the top thr e e but a s oneofthe  two fa st est  l o ser s  s heq ual ified fo rth e fin als. O n the12Sept ember , in the fina ls,  she ran  15.2 4s, w ay o ut sideher be st to  f inish in last p lace .

In 201 1 S er gee va  trav e lled w ith  th e Russi an team toCh r i s tc hurch, New Zealand  t o co mpete in  the 2 0 11  I P C Athlet ic s W orld C hampi onsh i ps , thereshe en t er ed  threesp rintin geve nts  andt he j avelin . With n o T37 javelin event, she was force d  t o en t er t heT38 categor y wi t h at hlet e sdee m ed to  have  g r ea t er motor control. S he  finis hed i n eighth plac e. In thes p r ints she  fin i sh e d sixth in the  100m  T37, buti n the 20 0m ev ent shecame seco n d  in 31.0 2stowin  si l v er , her first m a j or c om petitiv e m edal. A t t hesam e t ou rnament s he alsora nin  t hewomen ' s 4 × 10 0m r el ayin th e  T35-3 8 cat egor y.  T h e R ussiant ea m fini sh ed  sec ond  g iving  Ser g eev a her s econd sil ver of t he  c hampion ships.

A yea rlater Serg ee vawas pa r t  of theRussian team at the 201 2  IPC At hle ticsEuro pean Cham pio nships  in Stadsk anaal.  Sheme dal e d  in o n e  e ven t,  the women ' s  4x 100  m etre s relay . Along with compa t rio ts Anastasiya  Ov syan n i ko va, El e naIv a nov a and Margarita G oncharova,  t h eteam finis h edin  firstfrom afield of thre e to qual ify for t he  201 2 Sum mer Paraly mpics an d take Se r geeva ' sfirst  go ld med al  at  a ma jor in t ern ation al com pe tition .

Amo nth late r Sergeeva travelled to  Londo n topar ticipateint he2012 Summ er P aralympics . A lth ougha F 3 7/38jave l in  ev e nt wa s pa r t of thes ch edu l e  S ergeeva did n o t t ake p art .  Inste ad s he entered threes print events,the1 0 0mT37 ,  the  2 00m T37 and th e 4  × 1 00 m wom en 's relay T3 5-38. In  b o th he r indi vidual  sprint s sh e  faile d to  qu alify for  th ef inals,go in g  out i n th ehe
 three_events, the_javelin throw in the_F35-38 category_the_shot put_in_the F37-38 category_and the 100m_T37. Her first event,_the javelin throw,_she_threw a season's best of 24.60m to make the finals but failed to improve_that_result with_her_final_three throws and finished in_eighth place. The next day,_she took_part in the joint F37-38 shot put event_scoring_836 failing to_make the final. Her final event was the T37_100m. In the heats she finished_outside the top_three_but_as one of the_two fastest losers she qualified for_the finals. On the 12 September,_in the finals, she ran 15.24s, way_outside her best to finish in_last place.

In 2011 Sergeeva travelled_with the_Russian team to Christchurch, New_Zealand to compete_in the_2011 IPC Athletics_World Championships, there she entered three_sprinting events and_the javelin. With no T37 javelin_event,_she was forced_to_enter_the T38_category with athletes_deemed_to have_greater_motor control. She finished in eighth_place._In the sprints she finished sixth in_the 100m T37, but_in_the 200m event she_came second in 31.02s to_win silver, her first major competitive_medal. At_the same_tournament she also ran in the women's 4 × 100 m_relay in the T35-38 category. The_Russian team finished second_giving Sergeeva_her_second silver of_the_championships.

A year_later Sergeeva was part of the Russian_team at_the 2012 IPC Athletics European Championships_in Stadskanaal. She medaled_in_one event, the women's 4 x_100 metres relay. Along with compatriots_Anastasiya Ovsyannikova, Elena Ivanova and_Margarita_Goncharova,_the team finished in first_from a field of three to_qualify for the_2012 Summer Paralympics and take Sergeeva's first_gold_medal at a major international competition.

A_month_later Sergeeva travelled to London to_participate_in_the 2012 Summer Paralympics. Although_a F37/38 javelin event was part_of the schedule Sergeeva did not take part. Instead_she entered three_sprint events, the 100m T37,_the_200m_T37 and the 4 × 100 m women's relay T35-38._In both_her individual sprints_she failed to qualify for the finals, going out in_the he