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WOC Sprint 2021: Maps, Results and Splits Analysis


Big day for Sweden: Isac von Krusenstierne and Tove Alexandersson (both Sweden) took the gold medals in today’s World Orienteering Championships (WOC) Sprint.

In the men’s class Kasper Fosser (Norway) and Tim Robertson (New Zealand) took the other medals, while Natalia Gemperle (Russia) and Maja Alm (Denmark) were closest to Alexandersson in the women’s class.

von Krusenstierne: Bad qualification – excellent final

Von Krusenstierne did a bad race in this morning’s qualification race (due to a problem with the course overprint), and barely managed to qualify for the final. This meant an early start in the final – were von Krusenstierne set a strong leading time which nobody could beat. Runner after runner came in behind the Swede – in the end Kasper Fosser was closest, finishing only 7 seconds behind. In the splits browser illustration below for Top 10 you see how von Krusenstierne runs a good race from start until finish. A 5 second miss to control 22 lets the competitors get closer towards the end, but von Krusenstierne’s finish is faster than everybody else.

plot (2)

The below splits browser illustration shows the four fastest in the end – with quite big changes on the route choice legs towards the end – especially controls 21, 22 and 23 seem to give big time differences. Based on the big oscillations, it looks like it might have been difficult for the runners to consistently understand which route was fastest – in the end they just had to make a choice based on intuition and run as fast as possible.

plot (5)

The runners who was closest out on the terrain was Emil Svensk (Sweden, gold at EOC 2021), leading the race until control 12. Svensk did a big mistake in the tricky sprint terrain and finished far down on the results list – see the split browser illustration below.

plot (4)

Women: Alexandersson in another league

Tove Alexandersson took her 11th WOC gold medal – but the first in the Sprint discipline. Alexandersson was in another league than the others physically, but lost more than 40 seconds on a route choice (which may have been due to the map not giving clear information about possible route choices) and thus made the race exciting for the viewers. At the second TV control Alexandersson was suddenly behind Gemperle after having a 32 second lead a few controls earler. After a very strong finish, Alexandersson managed to put some distance between herself and Gemperle in second place, winning with 9 seconds margin. Maja Alm, reigning champion and unbeaten in WOC Sprint since 2014, finished in third place in her comeback – the same result as in her break-through WOC back in 2014.

The below splits browser illustration shows just how much faster Tove Alexandersson was today – and how much time she lost on the routechoice leg to control 12. From a 32(!) second lead on control 11, Alexandersson was 12(!) seconds behind on ontrol 12. And it took the Swede only four controls to take the lead in the competition again. What a race by Alexandersson!

plot (3)

Taking Alexandersson out of the comparison we get a very complex picture showing the battle for the medals. The big surprise from Great Britain, Alice Leake, was actually closest to the silver medal four controls before the finish, but losing time towards the end. Maja Alm had the lead in the battle for silver the four controls before, but was also not strong enough towards the end. Veera Klementtinen and Simona Aebersold were also up there leading the chasing pack for a while earlier in the race. With all these changes, it will be very interesting to take a deep look at the GPS-data and see if that will explain more about how the battle for the medals was decided.

plot (6)

Black day for Switzerland

For the Swiss runners, this was a black day. Switzerland has never been without medals at WOC sprint before – this time the Swiss runners did not win medals in either the men’s or the women’s class. Simona Aebersold (4th) and Florian Howald (6th) had the best results. The Swiss are still the big favourites on tomorrow’s Sprint Relay along with Sweden, though.


See maps and GPS-tracking here:

WOC 2021 Sprint F Women

» See map in omaps.worldofo.com



1 Isac von Krusenstierna Sweden 13:46
2 Kasper Harlem Fosser Norway 13:53 +0:07
3 Tim Robertson New Zeeland 13:59 +0:13
4 Yannick Michiels Belgium 14:02 +0:16
5 Max Peter Bejmer Sweden 14:05 +0:19
6 Florian Howald Swizerland 14:06 +0:20
7 Riccardo Rancan Swizerland 14:08 +0:22
8 Matthias Kyburz Swizerland 14:10 +0:24
9 Jakub Glonek Czech Republic 14:12 +0:26
10 Daniel Hubmann Swizerland 14:17 +0:31
11 Vojtech Kral Czech Republic 14:18 +0:32
12 Havard Sandstad Eidsmo Norway 14:20 +0:34
13 Gaute Steiwer Norway 14:23 +0:37
14 Peter Hodkinson United Kingdom 14:29 +0:43
15 Algirdas Bartkevicius Lithuania 14:34 +0:48


1 Tove Alexandersson Sweden 14:03
2 Natalia Gemperle Neutral 14:12 +0:09
3 Maja Alm Denmark 14:20 +0:17
4 Simona Aebersold Swizerland 14:24 +0:21
4 Alice Leake United Kingdom 14:24 +0:21
6 Elena Roos Swizerland 14:25 +0:22
7 Aleksandra Hornik Poland 14:29 +0:26
8 Veera Klemettinen Finland 14:33 +0:30
9 Karolin Ohlsson Sweden 14:39 +0:36
10 Andrine Benjaminsen Norway 14:42 +0:39
11 Cecilie Friberg Klysner Denmark 14:49 +0:46
12 Grace Molloy United Kingdom 15:01 +0:58
13 Cecile Calandry France 15:03 +1:00
14 Tereza Janosikova Czech Republic 15:07 +1:04
15 Lina Strand Sweden 15:13 +1:10

Maps Sprint Qualification

See maps and GPS-tracking below. See also results qualification here.

WOC 2021 Sprint Q Women C

» See map in omaps.worldofo.com
WOC 2021 Sprint Q Women B

» See map in omaps.worldofo.com
WOC 2021 Sprint Q Women A

» See map in omaps.worldofo.com
WOC 2021 Sprint Q Men C

» See map in omaps.worldofo.com
WOC 2021 Sprint Q Men B

» See map in omaps.worldofo.com
WOC 2021 Sprint Q Men A

» See map in omaps.worldofo.com

About Jan Kocbach

Jan Kocbach is the founder of WorldofO.com - taking care of everything from site development to writing articles, photography and analysis.

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  1. What would had happened if Alexandersson had ran through her original route choice to control 12; running against the finish?

  2. Sven Alexandersson

    Josefine Lind, Denmark ran from 11 to 12 backwards towards the start. She is not one of the fastest but she was not dsqualified, so …

    • Thanks for the observation, I guess it would be hard to disqualify anyone taking that route. Maybe it was intended as a possible choice? :-)

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