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Ski speed comparison: First trimester 2019–20 vs. First trimester 2020–21

Posted on 2021-01-05 | by real biathlon

In the past, I often compared changes in ski speed to the entire previous season, which might be slightly deceiving, especially at the beginning of a season. Some athletes start particularly strong before Christmas, others might do better late in a season, when parts of the field are already tired. Potentially, it’s a better idea to only compare the same World Cup period. Here I did this specifically for World Cup trimester 1 (roughly December 2019 vs. December 2020).

I used the percentage back from the top 30 median for this. Comparisons against the entire field are problematic this year, because of temporary rule changes (each National Federation can register two athletes who have not fulfilled the qualification criteria). That makes the whole field slightly slower.

If you can’t find a specific athlete, you can always look up the complete World Cup field (also available per trimester) for the ongoing season (as well as all previous seasons) here:

  • Ski speed: Men | Women

Note: Only athletes with at least 5 non-team races in trimester 1 of both the previous and the current season are included in the tables below. “Back from Top30 median” is the percentage back from each race’s top 30 median Course Time (arithmetic mean per season).


Men

Martin Ponsiluoma and Sebastian Samuelsson are the most improved overall. Both lowered their average ski rank by at least 24 positions, plus they are skiing 3.5% and 3.0% faster respectively (compared to their speed last December). Veteran Jakov Fak (his 15th World Cup season) is currently on his best ski form in 5 years. World Cup leader, Johannes Thingnes Bø, is very close to his level from last December (he is slightly ahead).

Quentin Fillon Maillet started the season as one of the favorites, but he is not at his peak form yet; his hit rate is at a career high right now, but his speed has declined a lot compared to December 2019 (average ski rank almost doubled). For this pre-Christmas period, Germany and France have only one athlete each who improved season-to-season: Erik Lesser (only started in 4 races in December 2019) and Fabien Claude, respectively.

Changes in Ski Speed compared to 2019–20 season | World Cup Trimester 1

NoFamily NameGiven NameNationRacesSki Rank
(avg)
Changeback from
Top30 median
(in %)
Change
NoFamily NameGiven NameNationRacesSki Rank
(avg)
Changeback from
Top30 median
(in %)
Change
1PonsiluomaMartinSWE
95.7-24.3-1.66-3.49
2SamuelssonSebastianSWE
98.2-25.9-1.13-2.99
3LatypovEduardRUS
918.9-26.3+0.40-2.78
4BocharnikovSergeyBLR
827.5-21.8+1.06-2.49
5FakJakovSLO
920.0-17.5+0.46-1.84
6ChristiansenVetle SjaastadNOR
913.3-12.8-0.63-1.67
7DaleJohannesNOR
96.1-8.9-1.97-1.61
8LangerThierryBEL
751.7-8.7+3.72-1.48
9NelinJesperSWE
912.2-14.2-0.44-1.44
10DombrovskiKarolLTU
761.1-11.5+4.84-1.40
11DohertySeanUSA
849.6-11.7+3.64-1.17
12EliseevMatveyRUS
935.8+4.3+2.15-1.14
13WegerBenjaminSUI
920.2-7.8+0.58-0.87
14LoginovAlexanderRUS
913.7-5.9-0.25-0.76
15GuzikGrzegorzPOL
756.4-11.2+4.29-0.73
16NordgrenLeifUSA
651.8-3.3+3.60-0.67
17GaranichevEvgeniyRUS
533.8-8.2+2.27-0.60
18TrsanRokSLO
667.0-12.8+5.98-0.41
19BoeJohannes ThingnesNOR
92.4-2.1-2.66-0.24
20VaclavikAdamCZE
643.8-1.0+2.78-0.22
21PrymaArtemUKR
836.0+1.0+2.13-0.13
22ClaudeFabienFRA
910.2-1.8-0.68-0.13
23DovzanMihaSLO
678.7+2.5+7.08-0.13
24HiidensaloOlliFIN
647.3-0.7+3.27-0.12
25BoeTarjeiNOR
94.6-1.4-1.79-0.08
26GuigonnatAntoninFRA
931.0+1.7+1.60+0.06
27FemlingPeppeSWE
851.9-2.1+3.65+0.11
28BormoliniThomasITA
544.4+2.0+2.75+0.15
29BjoentegaardErlendNOR
512.6+0.5-0.43+0.19
30PeifferArndGER
718.0+2.2+0.17+0.20
31JacquelinEmilienFRA
910.2+0.9-0.81+0.22
32StvrteckyJakubCZE
733.0+4.0+1.69+0.23
33SeppalaTeroFIN
830.3+4.8+1.39+0.31
34BauerKlemenSLO
747.9-0.9+4.05+0.33
35RastorgujevsAndrejsLAT
820.6+4.1+0.49+0.54
36KrcmarMichalCZE
932.1+9.7+1.59+0.57
37HoferLukasITA
913.3+1.8-0.25+0.62
38DudchenkoAntonUKR
660.2+7.3+4.55+0.75
39EderSimonAUT
939.2+6.2+2.58+0.78
40LeitnerFelixAUT
736.4+8.4+2.00+0.79
41ClaudeFlorentBEL
646.0+14.3+3.05+0.79
42DollBenediktGER
916.0+5.6+0.00+0.84
43SinapovAntonBUL
668.2-1.3+6.13+0.91
44StroliaVytautasLTU
749.4+5.6+3.83+0.94
45Fillon MailletQuentinFRA
911.0+4.1-0.64+1.28
46WindischDominikITA
534.4+13.7+1.87+1.46
47EberhardJulianAUT
821.6+10.8+0.70+1.51
48ErmitsKalevEST
858.0+10.0+4.88+1.67
49KuehnJohannesGER
821.6+14.3+0.57+1.74
50PidruchnyiDmytroUKR
843.5+20.9+2.99+1.82
51DesthieuxSimonFRA
919.6+11.0+0.45+1.98
52TkalenkoRuslanUKR
575.4+20.4+6.16+2.22
53IlievVladimirBUL
641.8+23.3+2.61+2.39


Women

Among regular starters, Dzinara Alimbekava is by far the most improved, 5.0% faster than last season (plus her average ski rank is now an incredible 44.8 positions lower!). Lisa Theresa Hauser and Franziska Preuß stood out more for their (fast) shooting in the past, but they are both among the top 15 skiers at the moment. Hauser’s transformation is particularly remarkable (over 2% faster than any of her previous 7 seasons), Preuß was close to this level before (five years ago).

World Cup leader and overall fastest skier, Marte Olsbu Røiseland, is missing in the table below, because she only appeared in 4 races in December 2019. She is actually slower compared to her speed at the start of the 2019–20 season (+0.5%). Last year’s top skier, Denise Herrmann, is struggling to get going; her average ski rank in trimester 1 last season was 4.5, now it’s 8.3. Dorothea Wierer was the 9th fastest skier last season, now she’s ranked 23rd.

Changes in Ski Speed compared to 2019–20 season | World Cup Trimester 1

NoFamily NameGiven NameNationRacesSki Rank
(avg)
Changeback from
Top30 median
(in %)
Change
NoFamily NameGiven NameNationRacesSki Rank
(avg)
Changeback from
Top30 median
(in %)
Change
1AlimbekavaDzinaraBLR
914.2-44.8-0.33-5.02
2BeaudrySarahCAN
758.9-21.1+4.54-4.11
3ChevalierChloeFRA
822.6-34.7+0.99-3.25
4BlashkoDaryaUKR
943.9-12.1+3.64-2.65
5HauserLisa TheresaAUT
912.7-24.0-0.36-2.47
6OebergElviraSWE
96.7-12.3-1.64-2.33
7PreussFranziskaGER
912.1-8.4-0.56-1.01
8GasparinElisaSUI
745.6-9.2+3.09-0.99
9SchwaigerJuliaAUT
742.9-8.7+2.89-0.94
10EganClareUSA
928.1-8.7+1.25-0.93
11BescondAnaisFRA
916.0-10.5+0.16-0.85
12KnottenKaroline OffigstadNOR
932.9-3.7+1.89-0.79
13CadurischIreneSUI
667.2-2.8+6.03-0.53
14OebergHannaSWE
912.0-1.8-0.72-0.49
15ColomboCarolineFRA
828.4-5.5+1.43-0.41
16TandrevoldIngrid LandmarkNOR
97.1-4.6-1.28-0.29
17PerssonLinnSWE
919.3-3.1+0.33-0.28
18LunderEmmaCAN
937.1-3.7+2.41-0.26
19GasparinSelinaSUI
619.7-1.7+0.44-0.14
20GasparinAitaSUI
747.6+5.1+3.48-0.06
21DavidovaMarketaCZE
96.9-1.1-1.43-0.02
22CharvatovaLucieCZE
722.8+1.1+0.84+0.08
23JislovaJessicaCZE
752.0+3.5+3.77+0.16
24SimonJuliaFRA
919.3+5.6-0.15+0.17
25VoroninaTamaraRUS
568.8+7.4+5.44+0.23
26TalihaermJohannaEST
655.7+0.2+4.88+0.30
27BrorssonMonaSWE
828.9+2.7+1.55+0.35
28InnerhoferKatharinaAUT
821.8+1.4+0.83+0.39
29Braisaz-BouchetJustineFRA
95.8-0.2-1.62+0.48
30ZukKamilaPOL
734.9+6.9+1.99+0.58
31EckhoffTirilNOR
95.6+1.3-1.94+0.73
32VittozziLisaITA
931.4+8.0+1.82+0.84
33OjaReginaEST
576.0+11.0+6.70+0.89
34KryukoIrynaBLR
737.5+11.8+2.20+1.02
35HerrmannDeniseGER
98.3+3.8-1.25+1.09
36ZbylutKingaPOL
761.4+8.9+5.21+1.25
37TachizakiFuyukoJPN
848.3+7.5+3.91+1.33
38EderMariFIN
618.7+7.2+0.30+1.35
39KocerginaNataljaLTU
583.0+14.0+7.64+1.35
40WiererDorotheaITA
921.1+12.0+0.61+1.66
41HinzVanessaGER
745.0+17.0+3.03+1.77
42MironovaSvetlanaRUS
625.5+15.1+1.02+1.79
43SanfilippoFedericaITA
550.8+12.6+4.02+1.85
44SemerenkoValentinaUKR
555.5+17.5+4.22+2.04
45PidhrushnaOlenaUKR
543.6+19.0+3.21+2.14
46HaeckiLenaSUI
832.3+22.7+1.86+2.62
47PuskarcikovaEvaCZE
752.4+27.4+4.42+3.39

One thing that stands out is how well Norway and Sweden are doing (both men and women). Every athlete of those two nations either improved (often significantly), or at least managed to maintain their previous level; not a single athlete got notably worse.

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real biathlon

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Posted in Statistical analysis | Tagged 2019–20 season, 2020–21 season, skiing

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Shooting Efficiency comparison: First trimester 2019–20 vs. First trimester 2020–21

2 comments

  • RJ says:
    2021-01-06 at 16:50

    This is very interesting. I downloaded the data and looked at it some more, and I noticed that you can actually see that whole national teams show certain trends. For example, other than Preuss who gained 12 positions, all Germans (men and women) lost positions compared to last year’s time period. French man stayed the same or lost, women stayed the same or gained (Julia Simon is the exception). Other than Brorsson all Swedes gained positions, and the Norwegians, well they just got even stronger. They didn’t gain many positions because they were high up last year already. Lastly, I’m impressed with Jakov Fak. I believe he is one of the older racers yet he significantly improved where generally you see ski speed go down as athletes age.

    Reply
    • real biathlon says:
      2021-01-06 at 18:21

      Yeah, it seems there are clear trends for some of the major teams, probably more so than you would expect. Possibly pandemic-related differences in season preparations between nations, but something like that is difficult to pinpoint or quantify.

      Reply

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