Johaug led home a Norwegian 1-2-3 on the second stage of the competition and now leads the Tour de Ski by 4.5 seconds.
Ingvild Flugstad Oestberg came second and Heidi Weng third.
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Results
1. JOHAUG Therese 41:26.4
2. OESTBERG Ingvild Flugstad 42:04.3 +37.9
3. WENG Heidi 42:42.6 +1:16.2
4. KYLLOENEN Anne 42:59.1 +1:32.7
5. NISKANEN Kerttu 42:59.3 +1:32.9
6. KALLA Charlotte 43:00.0 +1:33.6
7. MONONEN Laura 43:45.7 +2:19.3
8. STADLOBER Teresa 43:48.0 +2:21.6
9. HAGA Ragnhild 43:50.3 +2:23.9
10. PARMAKOSKI Krista 43:57.1 +2:30.7