Norwegian Single Distance Championships 2013
02. - 04.11.2012
FosenHallen (NOR)
1000 meter (Women), 03.11.2012
POS NAME AG NAT TIME DIFF RECORD
1 Hanne.91 Haugland Neo NOR 1:21.89 TR
2 Hege Bøkko Neo NOR 1:21.99 +0.100
3 Sofie Karoline Haugen A1 NOR 1:25.81 +3.920
4 Camilla Helene Hallås Farestveit Neo NOR 1:25.89 +4.000
5 Martine Ripsrud B2 NOR 1:26.01 +4.120
6 Marit Fjellanger Bøhm Senior NOR 1:26.15 +4.260
7 Ellen Bjertnes A1 NOR 1:26.30 +4.410
8 Anne Gulbrandsen A2 NOR 1:26.37 +4.480
9 Marte Vatn A1 NOR 1:26.85 +4.960
10 Rikke Jeppsson Senior NOR 1:27.40 +5.510
11 Inga Anne Vasaasen B1 NOR 1:27.91 +6.020
12 Camilla Lund A1 NOR 1:27.95 +6.060
13 Nille Martha Norhaug Faleide Neo NOR 1:28.14 +6.250
14 Merethe Tvedt A1 NOR 1:29.48 +7.590
15 Martine Lilløy Bruun B1 NOR 1:29.54 +7.650
16 Hilde Røgeberg Pedersen M30 NOR 1:29.63 +7.740
17 Maren Charlotte Søfteland Jørgensen Neo NOR 1:31.22 +9.330
18 Henriette Lilløy Bruun Neo NOR 1:31.40 +9.510
19 Siri Moseng Reiersen Neo NOR 1:33.28 +11.390
20 Thea Vestrheim Skavhellen A1 NOR 1:34.15 +12.260
WDR Ida Njåtun Neo NOR -
3000 meter (Women), 03.11.2012
POS NAME AG NAT TIME DIFF RECORD
1 Mari Hemmer Senior NOR 4:25.05
2 Ida Njåtun Neo NOR 4:25.26 +0.210
3 Sofie Karoline Haugen A1 NOR 4:36.38 +11.330
4 Marit Fjellanger Bøhm Senior NOR 4:36.79 +11.740
5 Camilla Helene Hallås Farestveit Neo NOR 4:37.37 +12.320
6 Marte Vatn A1 NOR 4:45.44 +20.390
7 Camilla Lund A1 NOR 4:48.20 +23.150
8 Inga Anne Vasaasen B1 NOR 4:49.63 +24.580
9 Martine Ripsrud B2 NOR 4:51.74 +26.690
10 Anne Gulbrandsen A2 NOR 4:52.75 +27.700
11 Thérèse Verheyleweghen A2 GER 4:54.05 +29.000
12 Maren Charlotte Søfteland Jørgensen Neo NOR 5:06.85 +41.800
WDR Hege Bøkko Neo NOR -
DNS Maiken Nervik Neo NOR -
DNF Ellen Bjertnes A1 NOR -
DNF Silje Kristine Borgersen B2 NOR -
1500 meter (Men), 03.11.2012
POS NAME AG NAT TIME DIFF RECORD
1 Håvard Bøkko Senior NOR 1:50.22 TR
2 Sverre Lunde Pedersen Neo NOR 1:51.12 +0.900
3 Christoffer Fagerli Rukke Senior NOR 1:53.99 +3.770
4 Espen Tveit Neo NOR 1:54.50 +4.280
5 Fredrik van der Horst Neo NOR 1:54.85 +4.630
6 Kjetil Stiansen Neo NOR 1:55.19 +4.970
7 Pål Holmefjord Lorentzen Neo NOR 1:55.34 +5.120
8 Simen Spieler Nilsen A2 NOR 1:55.88 +5.660
9 Einar Døving Agdestein Neo NOR 1:55.92 +5.700
10 Mikael Flygind Larsen Senior NOR 1:56.27 +6.050
11 Henrik Hvesser Neo NOR 1:56.76 +6.540
12 Even S. Johansen Senior NOR 1:56.86 +6.640
13 Sindre Henriksen Neo NOR 1:57.19 +6.970
14 Terje Almås Senior NOR 1:58.21 +7.990
15 Anders Bjerkreim Furnée A2 NOR 1:58.40 +8.180
16 Andreas Holmen Minge Neo NOR 1:58.60 +8.380
17 Håvard Bergland Leknes Neo NOR 1:59.21 +8.990
18 Ole Bjørnsmoen Næss Neo NOR 1:59.66 +9.440
19 Viktor Nybråten A2 NOR 1:59.97 +9.750
20 Eirik Skavhaug Nergård Neo NOR 2:00.04 +9.820
21 Runar Njåtun Krøyer A1 NOR 2:00.23 +10.010
22 Sindre Hofsøy Mollan Neo NOR 2:00.42 +10.200
23 Magnus Nordby A1 NOR 2:01.72 +11.500
24 Johann Jørgen F. Sæves A1 NOR 2:01.87 +11.650
DQ Aleksander Waagenes Neo NOR -
WDR Martin Bjertnes Neo NOR -
DNF Magnus Myhren Kristensen B2 NOR -
5000 meter (Men), 03.11.2012
POS NAME AG NAT TIME DIFF RECORD
1 Håvard Bøkko Senior NOR 6:44.97
2 Fredrik van der Horst Neo NOR 6:52.54 +7.570
3 Tormod Bjørnetun Haugen Senior NOR 6:55.56 +10.590
4 Simen Spieler Nilsen A2 NOR 6:57.76 +12.790
5 Thomas Henrik Søfteland Neo NOR 7:02.69 +17.720
6 August Teodor Haugen Neo NOR 7:04.91 +19.940
7 Einar Døving Agdestein Neo NOR 7:07.44 +22.470
8 Andreas Holmen Minge Neo NOR 7:12.82 +27.850
9 Ståle Fagerheim Senior NOR 7:13.18 +28.210
10 Ole Bjørnsmoen Næss Neo NOR 7:13.25 +28.280
11 Aleksander Waagenes Neo NOR 7:15.64 +30.670
12 Håvard Bergland Leknes Neo NOR 7:18.71 +33.740
13 Terje Almås Senior NOR 7:20.98 +36.010
14 Anders Bjerkreim Furnée A2 NOR 7:21.62 +36.650
15 Lars Marius Østreng Nes B2 NOR 7:27.83 +42.860
16 Robin Nicolai Oppi Gruben A2 NOR 7:31.05 +46.080
17 Eirik Magnus Bakken Neo NOR 7:36.84 +51.870
18 Kristian Aabakken B2 NOR 7:44.19 +59.220
19 Kristian Vårvik Neo NOR 7:46.62 +1.01.650
20 Johann Jørgen F. Sæves A1 NOR 7:49.01 +1.04.040
WDR Sverre Lunde Pedersen Neo NOR -
WDR Viktor Nybråten A2 NOR -
WDR Martin Bjertnes Neo NOR -
WDR Sindre Henriksen Neo NOR -
DQ Sindre Hofsøy Mollan Neo NOR -
WDR Magnus Myhren Kristensen B2 NOR -
1500 meter (Women), 04.11.2012
POS NAME AG NAT TIME DIFF RECORD
1 Ida Njåtun Neo NOR 2:04.60 TR
2 Mari Hemmer Senior NOR 2:07.43 +2.830
3 Hege Bøkko Neo NOR 2:08.22 +3.620
4 Hanne.91 Haugland Neo NOR 2:08.55 +3.950
5 Marit Fjellanger Bøhm Senior NOR 2:11.63 +7.030
6 Camilla Helene Hallås Farestveit Neo NOR 2:11.71 +7.110
7 Sofie Karoline Haugen A1 NOR 2:15.02 +10.420
8 Anne Gulbrandsen A2 NOR 2:16.16 +11.560
9 Camilla Lund A1 NOR 2:16.59 +11.990
10 Marte Vatn A1 NOR 2:17.55 +12.950
11 Inga Anne Vasaasen B1 NOR 2:17.88 +13.280
12 Thérèse Verheyleweghen A2 GER 2:21.21 +16.610
13 Maiken Nervik Neo NOR 2:21.28 +16.680
14 Martine Lilløy Bruun B1 NOR 2:21.86 +17.260
15 Henriette Lilløy Bruun Neo NOR 2:22.50 +17.900
16 Thea Vestrheim Skavhellen A1 NOR 2:25.66 +21.060
17 Merethe Tvedt A1 NOR 2:27.46 +22.860
WDR Ellen Bjertnes A1 NOR -
DQ Martine Ripsrud B2 NOR -
5000 meter (Women), 04.11.2012
POS NAME AG NAT TIME DIFF RECORD
1 Mari Hemmer Senior NOR 7:46.92
2 Camilla Helene Hallås Farestveit Neo NOR 8:04.46 +17.540
3 Sofie Karoline Haugen A1 NOR 8:09.00 +22.080 TRJ
4 Marit Fjellanger Bøhm Senior NOR 8:18.25 +31.330
5 Marte Vatn A1 NOR 8:19.37 +32.450 SB
6 Camilla Lund A1 NOR 8:24.05 +37.130
7 Thérèse Verheyleweghen A2 GER 9:06.88 +1.19.960
1000 meter (Men), 04.11.2012
POS NAME AG NAT TIME DIFF RECORD
1 Håvard Bøkko Senior NOR 1:12.83
2 Sverre Lunde Pedersen Neo NOR 1:13.23 +0.400
3 Christoffer Fagerli Rukke Senior NOR 1:14.23 +1.400
4 Kjetil Stiansen Neo NOR 1:14.26 +1.430
5 Even S. Johansen Senior NOR 1:14.47 +1.640
6 Fredrik van der Horst Neo NOR 1:14.58 +1.750
7 Simen Spieler Nilsen A2 NOR 1:14.82 +1.990
8 Espen Tveit Neo NOR 1:14.83 +2.000
9 Pål Holmefjord Lorentzen Neo NOR 1:15.20 +2.370
10 Henrik Hvesser Neo NOR 1:15.69 +2.860
11 Simen Kroken Neo NOR 1:16.71 +3.880
12 Sindre Henriksen Neo NOR 1:17.26 +4.430
13 Kim Lund Håvardsrud Neo NOR 1:17.44 +4.610
14 Johann Jørgen F. Sæves A1 NOR 1:17.83 +5.000
15 Eirik Skavhaug Nergård Neo NOR 1:17.84 +5.010
16 Runar Njåtun Krøyer A1 NOR 1:17.94 +5.110
17 Ole Bjørnsmoen Næss Neo NOR 1:18.12 +5.290
18 Viktor Nybråten A2 NOR 1:18.20 +5.370
19 Anders Tandberg Nummedal Senior NOR 1:18.36 +5.530
20 Håvard Bergland Leknes Neo NOR 1:18.64 +5.810
21 Mii Erik Haugård A2 NOR 1:18.84 +6.010
22 Sindre Hofsøy Mollan Neo NOR 1:19.61 +6.780
DNF Espen Aarnes Hvammen Senior NOR -
10.000 meter (Men), 04.11.2012
POS NAME AG NAT TIME DIFF RECORD
1 Håvard Bøkko Senior NOR 13:57.22
2 Fredrik van der Horst Neo NOR 14:19.15 +21.930
3 Tormod Bjørnetun Haugen Senior NOR 14:24.79 +27.570 SB
4 Thomas Henrik Søfteland Neo NOR 14:38.28 +41.060
5 August Teodor Haugen Neo NOR 14:41.45 +44.230
6 Einar Døving Agdestein Neo NOR 14:54.05 +56.830
7 Ståle Fagerheim Senior NOR 15:04.35 +1.07.130 SB
8 Andreas Holmen Minge Neo NOR 15:10.07 +1.12.850 SB
9 Aleksander Waagenes Neo NOR 15:28.25 +1.31.030
10 Ole Bjørnsmoen Næss Neo NOR 15:28.49 +1.31.270
11 Håvard Bergland Leknes Neo NOR 15:39.10 +1.41.880 SB
DQ Terje Almås Senior NOR -
2x500 meter (Men), 02. - 04.11.2012
POS NAME AG NAT 500M 1. RACE 500M 2. RACE POINTS DIFF RECORDS
1 Espen Aarnes Hvammen Senior NOR 36.42 (1) 36.22 (1) TR 72.640 TR
2 Håvard Bøkko Senior NOR 36.87 (3) 36.58 (2) 73.450 +0.810 SB
3 Christoffer Fagerli Rukke Senior NOR 36.73 (2) 36.90 (3) 73.630 +0.990 SB
4 Even S. Johansen Senior NOR 37.19 (4) 37.18 (5) 74.370 +1.730
5 Simen Spieler Nilsen A2 NOR 37.45 (5) 37.04 (4) 74.490 +1.850 TRJ, SB
6 Mikael Flygind Larsen Senior NOR 37.64 (6) 37.82 (7) 75.460 +2.820 SB
7 Simen Kroken Neo NOR 37.80 (7) 37.81 (6) 75.610 +2.970 SB
8 Pål Holmefjord Lorentzen Neo NOR 38.12 (8) 37.99 (8) 76.110 +3.470
9 Andreas Holmen Minge Neo NOR 38.48 (10) 38.45 (10) 76.930 +4.290 SB
10 Henrik Hvesser Neo NOR 38.55 (11) 38.39 (9) 76.940 +4.300 SB
11 Eirik Skavhaug Nergård Neo NOR 38.82 (13) 38.53 (11) 77.350 +4.710 SB
12 Kim Lund Håvardsrud Neo NOR 38.86 (15) 38.60 (12) 77.460 +4.820 SB
13 Johann Jørgen F. Sæves A1 NOR 38.72 (12) 38.78 (13) 77.500 +4.860
14 Martin Bjertnes Neo NOR 38.84 (14) 38.87 (15) 77.710 +5.070 SB
15 Sindre Henriksen Neo NOR 39.08 (17) 38.83 (14) 77.910 +5.270 PB
16 Viktor Nybråten A2 NOR 38.98 (16) 39.04 (16) 78.020 +5.380 SB
17 Magnus Myhren Kristensen B2 NOR 39.14 (18) 39.20 (17) 78.340 +5.700 SB
18 Sander Søndrål A1 NOR 39.30 (19) 39.80 (19) 79.100 +6.460 SB
19 Espen Brask Nordfonn Neo NOR 39.98 (21) 39.35 (18) 79.330 +6.690 SB
20 Magne Notland Neo NOR 39.88 (20) 39.80 (20) 79.680 +7.040 SB
Espen Tveit Neo NOR - - -
Anders Tandberg Nummedal Senior NOR 38.19 (9) - -
2x500 meter (Women), 02. - 04.11.2012
POS NAME AG NAT 500M 1. RACE 500M 2. RACE POINTS DIFF RECORDS
1 Ida Njåtun Neo NOR 40.70 (1) TR 40.85 (1) 81.550 TR, SB
2 Hanne.91 Haugland Neo NOR 41.22 (2) 40.92 (2) 82.140 +0.590 SB
3 Hege Bøkko Neo NOR 41.54 (3) 41.33 (3) 82.870 +1.320 SB
4 Rikke Jeppsson Senior NOR 41.78 (4) 42.21 (4) 83.990 +2.440 SB
5 Martine Ripsrud B2 NOR 42.38 (5) 42.25 (5) 84.630 +3.080
6 Mari Hemmer Senior NOR 42.50 (7) 42.43 (6) 84.930 +3.380 SB
7 Sofie Karoline Haugen A1 NOR 42.42 (6) 42.76 (9) 85.180 +3.630 SB
8 Marte Vatn A1 NOR 42.72 (8) 42.72 (8) 85.440 +3.890 SB
9 Hilde Røgeberg Pedersen M30 NOR 42.85 (9) 42.62 (7) 85.470 +3.920 SB
10 Ingvild Hellem A2 NOR 43.01 (10) SB 43.01 (10) SB 86.020 +4.470 SB
11 Nille Martha Norhaug Faleide Neo NOR 43.05 (11) 43.16 (11) 86.210 +4.660 SB
12 Ellen Bjertnes A1 NOR 43.37 (12) 43.36 (12) 86.730 +5.180 SB
13 Merethe Tvedt A1 NOR 43.76 (14) 43.62 (13) 87.380 +5.830
14 Martine Lilløy Bruun B1 NOR 43.87 (15) 44.26 (14) 88.130 +6.580 SB
15 Marit Fjellanger Bøhm Senior NOR 43.90 (17) 44.32 (16) 88.220 +6.670 SB
16 Siri Moseng Reiersen Neo NOR 43.88 (16) 44.37 (17) 88.250 +6.700 SB
17 Inga Anne Vasaasen B1 NOR 44.28 (18) 44.26 (15) 88.540 +6.990 SB
18 Thea Vestrheim Skavhellen A1 NOR 44.70 (19) 44.66 (18) 89.360 +7.810 SB
19 Maiken Nervik Neo NOR 45.42 (20) 45.50 (19) 90.920 +9.370 SB
Anne Gulbrandsen A2 NOR 43.51 (13) - -
Norwegian Single Distance Championships 2013
02. - 04.11.2012
FosenHallen (NOR)
NAME AG 500M (1. RACE) 500M (2. RACE) 1500M 5000M 10.000M 1000M
02.11.2012 02.11.2012 03.11.2012 03.11.2012 04.11.2012 04.11.2012
Håvard Bøkko Senior 36.87 (3) 36.58 (2) 1:50.22 (1) 6:44.97 (1) 13:57.22 (1) 1:12.83 (1)
Andreas Holmen Minge Neo 38.48 (10) 38.45 (10) 1:58.60 (16) 7:12.82 (8) 15:10.07 (8)
Simen Spieler Nilsen A2 37.45 (5) 37.04 (4) 1:55.88 (8) 6:57.76 (4) 1:14.82 (7)
Viktor Nybråten A2 38.98 (16) 39.04 (16) 1:59.97 (19) WDR 1:18.20 (18)
Sindre Henriksen Neo 39.08 (17) 38.83 (14) 1:57.19 (13) WDR 1:17.26 (12)
Johann Jørgen F. Sæves A1 38.72 (12) 38.78 (13) 2:01.87 (24) 7:49.01 (20) 1:17.83 (14)
Martin Bjertnes Neo 38.84 (14) 38.87 (15) WDR WDR
Magnus Myhren Kristensen B2 39.14 (18) 39.20 (17) DNF WDR
Christoffer Fagerli Rukke Senior 36.73 (2) 36.90 (3) 1:53.99 (3) 1:14.23 (3)
Pål Holmefjord Lorentzen Neo 38.12 (8) 37.99 (8) 1:55.34 (7) 1:15.20 (9)
Henrik Hvesser Neo 38.55 (11) 38.39 (9) 1:56.76 (11) 1:15.69 (10)
Even S. Johansen Senior 37.19 (4) 37.18 (5) 1:56.86 (12) 1:14.47 (5)
Espen Tveit Neo WDR 1:54.50 (4) 1:14.83 (8)
Eirik Skavhaug Nergård Neo 38.82 (13) 38.53 (11) 2:00.04 (20) 1:17.84 (15)
Mikael Flygind Larsen Senior 37.64 (6) 37.82 (7) 1:56.27 (10)
Anders Tandberg Nummedal Senior 38.19 (9) DQ 1:18.36 (19)
Espen Aarnes Hvammen Senior 36.42 (1) 36.22 (1) DNF
Kim Lund Håvardsrud Neo 38.86 (15) 38.60 (12) 1:17.44 (13)
Simen Kroken Neo 37.80 (7) 37.81 (6) 1:16.71 (11)
Espen Brask Nordfonn Neo 39.98 (21) 39.35 (18)
Magne Notland Neo 39.88 (20) 39.80 (20)
Sander Søndrål A1 39.30 (19) 39.80 (19)
Fredrik van der Horst Neo 1:54.85 (5) 6:52.54 (2) 14:19.15 (2) 1:14.58 (6)
Ole Bjørnsmoen Næss Neo 1:59.66 (18) 7:13.25 (10) 15:28.49 (10) 1:18.12 (17)
Håvard Bergland Leknes Neo 1:59.21 (17) 7:18.71 (12) 15:39.10 (11) 1:18.64 (20)
Einar Døving Agdestein Neo 1:55.92 (9) 7:07.44 (7) 14:54.05 (6)
Terje Almås Senior 1:58.21 (14) 7:20.98 (13) DQ
Aleksander Waagenes Neo DQ 7:15.64 (11) 15:28.25 (9)
Sverre Lunde Pedersen Neo 1:51.12 (2) WDR 1:13.23 (2)
Sindre Hofsøy Mollan Neo 2:00.42 (22) DQ 1:19.61 (22)
Anders Bjerkreim Furnée A2 1:58.40 (15) 7:21.62 (14)
Kjetil Stiansen Neo 1:55.19 (6) 1:14.26 (4)
Runar Njåtun Krøyer A1 2:00.23 (21) 1:17.94 (16)
Magnus Nordby A1 2:01.72 (23)
Tormod Bjørnetun Haugen Senior 6:55.56 (3) 14:24.79 (3)
Ståle Fagerheim Senior 7:13.18 (9) 15:04.35 (7)
August Teodor Haugen Neo 7:04.91 (6) 14:41.45 (5)
Thomas Henrik Søfteland Neo 7:02.69 (5) 14:38.28 (4)
Kristian Vårvik Neo 7:46.62 (19)
Robin Nicolai Oppi Gruben A2 7:31.05 (16)
Eirik Magnus Bakken Neo 7:36.84 (17)
Lars Marius Østreng Nes B2 7:27.83 (15)
Kristian Aabakken B2 7:44.19 (18)
Mii Erik Haugård A2 1:18.84 (21)
NAME AG 500M (1. RACE) 500M (2. RACE) 1000M 3000M 1500M 5000M
02.11.2012 02.11.2012 03.11.2012 03.11.2012 04.11.2012 04.11.2012
Marit Fjellanger Bøhm Senior 43.90 (17) 44.32 (16) 1:26.15 (6) 4:36.79 (4) 2:11.63 (5) 8:18.25 (4)
Marte Vatn A1 42.72 (8) 42.72 (8) 1:26.85 (9) 4:45.44 (6) 2:17.55 (10) 8:19.37 (5)
Sofie Karoline Haugen A1 42.42 (6) 42.76 (9) 1:25.81 (3) 4:36.38 (3) 2:15.02 (7) 8:09.00 (3)
Hege Bøkko Neo 41.54 (3) 41.33 (3) 1:21.99 (2) WDR 2:08.22 (3)
Ida Njåtun Neo 40.70 (1) 40.85 (1) WDR 4:25.26 (2) 2:04.60 (1)
Anne Gulbrandsen A2 43.51 (13) WDR 1:26.37 (8) 4:52.75 (10) 2:16.16 (8)
Ellen Bjertnes A1 43.37 (12) 43.36 (12) 1:26.30 (7) DNF WDR
Martine Ripsrud B2 42.38 (5) 42.25 (5) 1:26.01 (5) 4:51.74 (9) DQ
Inga Anne Vasaasen B1 44.28 (18) 44.26 (15) 1:27.91 (11) 4:49.63 (8) 2:17.88 (11)
Hanne.91 Haugland Neo 41.22 (2) 40.92 (2) 1:21.89 (1) 2:08.55 (4)
Merethe Tvedt A1 43.76 (14) 43.62 (13) 1:29.48 (14) 2:27.46 (17)
Thea Vestrheim Skavhellen A1 44.70 (19) 44.66 (18) 1:34.15 (20) 2:25.66 (16)
Martine Lilløy Bruun B1 43.87 (15) 44.26 (14) 1:29.54 (15) 2:21.86 (14)
Rikke Jeppsson Senior 41.78 (4) 42.21 (4) 1:27.40 (10)
Hilde Røgeberg Pedersen M30 42.85 (9) 42.62 (7) 1:29.63 (16)
Siri Moseng Reiersen Neo 43.88 (16) 44.37 (17) 1:33.28 (19)
Nille Martha Norhaug Faleide Neo 43.05 (11) 43.16 (11) 1:28.14 (13)
Mari Hemmer Senior 42.50 (7) 42.43 (6) 4:25.05 (1) 2:07.43 (2) 7:46.92 (1)
Maiken Nervik Neo 45.42 (20) 45.50 (19) DNS 2:21.28 (13)
Ingvild Hellem A2 43.01 (10) 43.01 (10)
Camilla Helene Hallås Farestveit Neo 1:25.89 (4) 4:37.37 (5) 2:11.71 (6) 8:04.46 (2)
Camilla Lund A1 1:27.95 (12) 4:48.20 (7) 2:16.59 (9) 8:24.05 (6)
Maren Charlotte Søfteland Jørgensen Neo 1:31.22 (17) 5:06.85 (12)
Henriette Lilløy Bruun Neo 1:31.40 (18) 2:22.50 (15)
Thérèse Verheyleweghen A2 4:54.05 (11) 2:21.21 (12) 9:06.88 (7)
Silje Kristine Borgersen B2 DNF