Jack Pfeifer

Region
WCA ID
Gender
Competitions
Completed Solves
United States 2016PFEI01 Male 102 5290

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 77 88 275 5.13 6.43 150 47 41
2x2x2 Cube 54 67 222 0.76 1.48 145 50 46
4x4x4 Cube 29 35 117 22.60 26.31 106 27 23
5x5x5 Cube 8 11 40 40.55 45.32 39 12 10
6x6x6 Cube 14 16 38 1:17.47 1:20.21 21 6 5
7x7x7 Cube 5 5 17 1:52.65 2:02.80 22 5 5
3x3x3 Blindfolded 66 86 366 29.52 37.46 306 65 53
3x3x3 Fewest Moves 118 132 596 26 31.00 613 142 125
3x3x3 One-Handed 62 75 289 9.19 11.77 254 65 55
Clock 410 482 1553 5.85 6.55 1102 353 300
Megaminx 48 59 215 36.72 43.09 267 64 54
Pyraminx 115 130 465 1.59 2.66 417 106 95
Skewb 61 68 235 1.52 2.92 203 55 46
Square-1 29 30 53 5.16 7.61 85 42 39
4x4x4 Blindfolded 120 146 618 6:54.38
5x5x5 Blindfolded 143 169 689 25:03.00
3x3x3 Multi-Blind 169 212 967 8/9 52:39

Medal Collection

Gold Silver Bronze
85 100 81
3x3x3 Cube
Michigan Mini 29 2025 Final 2 6.93 8.49 6.937.428.869.1810.56
Second round 2 5.13 6.93 6.995.136.906.917.29
First round 2 6.48 7.70 6.4810.178.528.096.48
Chicagoland Newcomers 2025 Final 2 5.17 7.06 7.717.067.506.625.17
Second round 3 6.91 7.83 10.389.087.036.917.37
First round 1 6.70 7.04 6.756.706.708.707.66
Green Winter 2025 Final 2 6.11 6.74 7.356.146.966.117.12
Second round 2 6.58 6.81 6.686.916.8510.136.58
First round 3 6.13 7.69 7.187.108.789.076.13
Barberton Mini 7 2025 Final 1 6.21 7.08 6.836.216.299.668.11
Second round 2 7.01 7.58 7.687.019.097.977.10
First round 2 6.30 7.96 7.028.828.04DNF6.30
NxNationwide Lewis Center 2025 Final 2 6.63 7.05 7.168.586.636.967.03
Second round 3 6.49 7.07 7.057.366.496.817.71
First round 3 6.50 6.90 6.507.446.696.579.89
Ohio State Winter 2025 Final 2 6.60 7.16 6.636.607.447.797.42
Second round 2 6.30 6.87 6.966.518.346.307.15
First round 5 6.32 8.40 7.466.3211.288.669.08
Gem City Ohio Showdown 2025 Final 4 6.46 7.75 6.466.578.678.019.47
Second round 3 6.41 7.22 6.416.958.536.728.00
First round 3 6.15 7.63 6.836.158.198.078.00
Ohio State Nearly New Years 2024 Final 9 7.37 8.83 7.9110.989.977.378.62
Second round 3 6.93 7.44 7.736.937.398.787.19
First round 3 5.59 7.46 7.007.497.895.598.55
Barberton Mini 5 2024 Final 1 7.14 8.29 8.247.147.279.459.36
Second round 1 6.11 7.93 7.9010.278.676.117.23
First round 1 6.87 7.92 8.346.877.647.7711.41
Michigan Mini 25 2024 Final 2 7.85 9.15 8.769.179.527.8510.03
First round 1 6.37 7.77 7.369.177.656.378.31
Ohio State Fall 2024 Final 3 6.47 6.99 7.158.797.236.476.59
Second round 2 5.74 6.79 7.256.795.746.766.82
First round 2 5.76 7.18 6.828.575.766.877.85
Green Fall 2024 Final 1 7.31 7.96 8.468.307.317.508.09
Second round 1 5.54 7.60 5.546.767.938.128.73
First round 1 7.12 7.43 7.679.627.267.377.12
CubingUSA Great Lakes Championship 2024 Final 9 6.52 7.21 8.166.526.776.7110.89
Semi Final 6 5.90 7.11 7.957.976.596.805.90
Second round 18 7.97 8.16 8.037.9711.388.258.21
First round 12 6.06 7.69 8.086.316.068.679.36
Michigan Mini 23 2024 Final 1 6.23 7.53 6.238.927.158.067.38
Second round 1 6.30 7.36 9.026.576.308.507.00
First round 2 7.04 8.06 7.137.049.948.788.28
Eastwood Mall Summer 2024 Final 4 6.80 7.56 6.809.917.977.257.45
Second round 10 6.56 8.86 9.3110.048.186.569.09
First round 5 7.12 7.39 7.437.617.127.1310.91
Rubik's WCA North American Championship 2024 Semi Final 54 6.18 8.28 8.979.427.788.086.18
Second round 67 8.04 8.11 8.049.788.138.098.10
First round 121 7.17 8.92 10.168.767.179.958.04
Washtenaw Autumn 2023 Final 2 7.40 7.91 7.407.498.648.747.60
Second round 2 6.55 7.98 13.037.396.557.618.93
First round 2 6.29 7.71 8.127.716.2910.277.31
Bulldog Fall 2023 Final 2 6.15 6.68 7.056.486.509.986.15
Second round 2 7.11 7.71 7.827.117.518.207.81
First round 1 6.33 7.36 7.577.537.696.996.33
Fort Wayne Favorites 2023 Final 7 6.69 8.39 9.736.698.227.2315.57
Second round 6 6.26 8.32 8.536.268.469.957.98
First round 6 5.61 7.50 5.617.157.308.168.04
Washtenaw Slow Summer 2023 Final 1 6.13 7.49 8.798.117.506.136.87
Second round 1 5.53 7.46 6.529.135.536.998.86
First round 1 6.56 7.79 7.848.626.567.498.03
CubingUSA Nationals 2023 Semi Final 59 6.51 8.09 9.286.517.118.388.79
Second round 23 6.35 7.25 6.357.248.037.227.29
First round 42 6.56 7.90 8.249.356.568.437.02
Flag City Summer 2023 Final 4 7.04 7.67 8.117.417.047.498.12
Second round 6 7.61 8.51 8.717.6110.868.818.01
First round 4 6.31 7.61 6.318.2910.737.656.88
Michigan 2023 Final 5 6.25 7.52 6.256.667.009.098.91
Semi Final 3 5.48 6.43 7.027.856.045.486.22
Second round 8 6.81 8.27 8.567.748.518.756.81
First round 8 6.40 9.01 10.7410.336.408.897.82
NA Stadium Series - Cleveland 2023 Final 7 6.86 8.42 9.459.107.456.868.70
First round 8 7.48 8.11 8.157.488.078.1010.41
Bulldog Winter 2023 Final 7 6.61 8.37 6.617.909.398.948.28
Second round 6 5.98 7.65 8.527.695.987.477.78
First round 5 7.44 8.10 8.327.937.448.618.04
Imagination Station A 2023 Final 2 7.10 8.50 7.839.037.108.968.72
Second round 3 7.62 9.04 14.628.247.6210.448.43
First round 2 5.93 7.43 7.605.9310.337.976.71
Pittsburgh Fall 2022 Final 8 6.76 7.81 6.769.097.2211.627.12
Second round 6 5.24 8.01 5.247.649.037.359.14
First round 6 6.27 7.52 7.946.277.978.936.65
Ohio State Fall Scarlet 2022 Final 2 6.80 7.74 7.866.808.417.557.81
First round 1 6.51 7.74 8.156.517.618.097.52
Lake Erie Cubing Clash 2022 Final 2 5.42 7.77 7.667.837.825.429.00
Second round 2 7.37 7.85 8.367.377.767.438.36
First round 2 7.67 8.17 8.388.437.677.718.71
Mt. Prospect Open 2022 Final 7 7.72 8.08 7.727.878.778.028.34
Second round 6 6.47 7.87 8.497.847.536.478.23
First round 4 6.56 7.84 7.748.557.258.546.56
CubingUSA Great Lakes Championship 2022 Final 9 7.46 8.36 8.768.609.957.737.46
Second round 12 7.76 8.81 9.197.768.928.329.54
First round 5 6.79 7.64 7.087.947.916.799.58
Pittsburgh Summer B 2022 Final 4 7.02 8.50 9.7712.947.787.957.02
Second round 4 8.11 8.58 8.178.808.779.618.11
First round 2 7.15 8.05 7.848.128.207.158.95
Howland Returns 2022 Final 4 6.85 7.78 21.898.507.216.857.64
Second round 5 7.85 7.99 7.878.179.857.857.93
First round 5 6.75 8.20 10.029.656.757.157.81
Rubik's WCA North American Championship 2022 Semi Final 53 8.25 9.04 9.008.4211.848.259.70
Second round 46 7.17 8.48 11.307.177.938.479.04
First round 68 7.34 8.84 7.3410.889.489.147.91
Michigan Cubing Club Alpha 2022 Final 1 6.90 7.53 7.347.286.908.217.97
First round 2 7.09 7.92 7.099.487.229.237.30
Puzzles at Wisconsin Spring 2022 Final 5 6.97 8.53 10.546.9712.987.827.23
Second round 5 7.84 8.16 8.119.118.128.247.84
First round 5 6.79 7.76 7.466.798.018.237.80
Bulldog Spring 2022 Final 2 7.78 7.99 8.277.978.177.787.83
Second round 2 6.42 7.31 6.427.326.987.627.76
First round 3 7.34 8.30 8.448.317.348.1410.39
Ohio State Expo Open 2022 Final 6 5.99 8.02 9.027.289.447.775.99
Second round 4 6.77 7.64 7.178.186.7711.997.57
First round 11 6.24 8.56 9.578.268.726.248.70
Bulldog Winter 2022 Final 4 7.20 7.86 7.568.008.828.027.20
Second round 5 7.60 8.39 8.967.608.787.698.69
First round 6 6.90 7.95 6.907.8510.047.068.94
Bulldog Holiday Bash 2021 Second round 16 7.88 9.60 9.8510.0510.587.888.90
First round 10 8.28 8.90 8.698.2810.318.709.31
Pittsburgh Fall 2021 Final 10 6.35 8.83 10.026.3510.026.719.76
Second round 13 7.77 8.92 10.669.497.779.337.94
First round 11 8.31 8.88 8.318.458.4510.729.73
Michigan Cubing Club Alpha 2020 Final 7 8.02 9.51 8.0210.7310.958.679.12
Semi Final 6 7.54 9.17 8.658.9212.689.947.54
Second round 8 7.86 9.97 12.0811.267.869.349.30
First round 12 7.84 10.88 10.217.8410.6611.7812.04
Garrettsville G-Men Classic 2020 Final 11 7.31 13.10 7.3120.029.35DNF9.92
Second round 10 10.80 11.37 13.6711.0510.8011.7711.30
First round 4 7.70 8.45 7.708.838.018.908.50
Imagination Station 2020 Final 2 7.22 9.69 10.017.229.8812.299.18
Second round 2 7.49 8.56 9.218.667.498.538.48
First round 3 7.45 9.62 12.157.4510.118.2510.50
Pittsburgh Fall 2019 Final 2 8.09 8.51 8.908.098.428.209.61
Second round 3 8.35 9.37 9.598.909.688.359.61
First round 3 8.50 9.66 13.129.478.508.8810.64
Kent Fall 2019 Final 3 7.18 8.15 7.637.189.167.6510.39
Second round 4 7.80 8.82 7.808.7711.518.669.03
First round 3 7.82 8.71 11.167.829.658.188.31
Flag City Fall 2019 Final 6 7.55 8.59 9.097.558.977.7010.11
Second round 6 7.72 8.49 8.9212.948.278.277.72
First round 8 7.78 9.35 11.169.7110.377.787.97
Michigan Cubing Club Gamma 2019 Final 5 8.14 10.12 9.718.9111.898.1411.74
Second round 6 6.66 9.71 12.699.799.3310.026.66
First round 6 9.30 10.01 9.3412.059.3010.4610.23
Cuyahoga Cubing 2019 Final 10 7.53 9.48 8.989.789.697.539.90
Second round 11 9.37 9.94 10.6510.009.799.3710.04
First round 10 7.90 10.29 15.6811.1810.279.437.90
CubingUSA Nationals 2019 Second round 86 8.44 9.73 11.588.6113.408.448.99
First round 57 8.34 8.90 9.668.349.668.508.53
Battle for Toledo 2019 Final 7 8.51 10.22 10.718.5110.829.6710.29
First round 5 7.36 9.03 7.3612.6310.568.198.34
Bulldog Qualifier 2019 Final 8 7.05 9.32 8.639.4910.107.059.83
Second round 8 7.52 10.15 9.357.5213.768.8112.28
First round 9 8.57 10.25 8.579.7210.6911.5910.33
CubingUSA Great Lakes Championship 2019 Final 6 8.22 8.83 8.6612.008.699.138.22
Semi Final 7 7.30 8.93 9.577.308.199.659.02
Second round 12 9.33 10.14 9.3312.6210.7710.279.37
First round 22 9.77 11.08 10.8210.6212.5911.799.77
Kent State Taco Bash 2019 Final 3 7.87 9.48 8.1514.9010.577.879.72
Second round 5 6.41 10.04 10.3710.529.236.4110.85
First round 3 7.62 8.96 9.5310.399.357.997.62
Flag City Spring 2019 Final 5 7.88 10.26 9.8511.1010.827.8810.12
Second round 4 9.36 9.74 10.2511.779.369.549.42
First round 4 9.73 9.89 10.579.739.889.859.94
Pittsburgh Spring 2019 Final 5 8.13 9.72 13.1211.328.809.038.13
Second round 4 7.32 9.04 7.328.689.8210.718.63
First round 5 8.25 9.10 8.599.648.259.0810.91
Garrettsville G-Men Classic 2019 Final 8 8.59 10.38 9.488.5911.1313.0910.53
Second round 6 7.79 9.15 7.7911.078.589.789.10
First round 4 8.12 9.24 8.799.629.3011.988.12
Imagination Station 2018 Final 4 9.44 10.82 9.6213.6012.339.4410.51
First round 2 8.91 10.58 11.359.3711.188.9111.19
Shaker Fall 2018 Final 7 8.88 11.04 11.7712.948.8811.3510.01
Second round 7 8.76 10.68 8.7611.039.9811.0311.03
First round 4 9.10 9.50 9.509.809.1011.169.21
Michigan Cubing Club Delta 2018 Final 6 9.23 10.21 15.1710.7710.099.789.23
Second round 6 8.77 10.06 8.779.1510.63DNF10.40
First round 8 9.20 10.86 9.309.20DNF10.6512.62
Flag City Fall 2018 Final 9 8.52 10.38 10.8212.118.529.9210.40
Second round 10 10.46 10.97 11.7112.5810.6310.4610.58
First round 6 8.70 9.96 9.9810.2713.478.709.64
Cubing For LLS Fall 2018 Final 7 9.56 10.77 10.0210.9411.3512.959.56
Second round 5 9.23 9.66 9.2310.4310.579.279.28
First round 6 9.21 10.02 10.0210.789.2113.709.26
CubingUSA Nationals 2018 First round 218 9.82 11.99 12.5813.169.8212.1011.30
Holy Toledo Summer 2018 Final 7 9.08 10.89 12.0610.7711.779.0810.13
Second round 7 10.71 11.54 10.9710.7111.8312.6711.83
First round 5 8.77 10.33 11.7111.318.7710.708.97
CubingUSA Great Lakes Championship 2018 Semi Final 22 9.33 13.04 15.7010.5115.5413.069.33
Second round 13 9.46 9.98 9.8510.039.4611.2010.06
First round 21 10.32 11.33 12.6410.3211.4611.3411.19
Kent State Taco Bash 2018 Final 9 11.67 12.50 12.5112.7211.6712.2818.71
Second round 12 10.07 12.62 12.5410.0713.9712.9012.41
First round 3 9.94 11.38 10.789.9411.7011.6616.91
Flag City Spring 2018 Second round 11 9.10 12.39 9.1011.3113.2616.3712.59
First round 13 9.14 13.08 13.42DNF11.469.1414.35
Shaker Spring 2018 Second round 19 10.03 12.44 10.0312.8613.0611.3913.16
First round 10 10.66 10.87 11.0510.6612.6810.8310.73
Husky Showdown 2018 Final 12 10.84 11.77 11.2414.3711.4610.8412.60
Second round 13 10.68 11.44 15.5911.7711.6010.6810.94
First round 17 10.04 13.30 10.0413.4412.8013.6617.68
Michigan Cubing Club Alpha 2018 Second round 19 11.99 13.16 12.3013.5513.6314.4511.99
First round 15 10.44 12.64 13.7113.8511.0713.1510.44
Shaker Fall 2017 Final 12 12.02 12.97 12.0214.2015.0912.5412.18
Second round 12 11.55 12.33 12.9412.12DNF11.9211.55
First round 20 12.10 13.58 13.4113.1816.5412.1014.14
Michigan Cubing Club Delta 2017 Final 14 9.74 14.15 13.0315.4314.0016.259.74
Second round 11 11.85 12.99 11.8513.7313.0313.3412.60
First round 12 12.37 13.32 14.0412.3716.0913.4512.46
Glass City Open 2017 Second round 13 10.45 12.78 13.1412.1110.4514.0713.08
First round 20 11.75 14.15 11.7514.6414.0114.3714.08
Howland High Fall 2017 Second round 15 12.78 13.65 13.8213.1712.7813.9717.57
First round 17 12.65 14.77 12.7515.5816.0212.6515.97
CubingUSA Nationals 2017 First round 243 12.06 14.24 14.6315.69DNF12.0612.39
Shaker Spring 2017 Second round 17 13.37 14.59 14.3913.3717.6014.1615.22
First round 26 11.56 15.70 16.3515.6815.0711.5620.44
Howland High Spring 2017 Second round 15 16.16 16.58 18.0916.6816.1616.3416.71
First round 15 14.60 16.19 14.6016.4817.8916.7915.30
Michigan Cubing Club Alpha 2017 Second round 36 16.80 18.66 18.7719.2116.8019.4017.99
First round 26 13.58 16.86 21.7516.1719.7413.5814.68
Shaker Fall 2016 First round 48 17.49 20.31 20.7317.4923.2721.9118.30
Michigan 2016 First round 114 20.90 25.63 30.7122.1720.9026.3928.32
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