Heewon Seo
3x3x3 Cube
WCA ID: 2017SEOH01
Country: USA 
Active since: 2017
6.24s
Best Single7.29s
Best Average25
Competitions1
Best Position329
Official Solves67
Rounds#1,792
Single WR#507
Single CR
#420
Single NR#850
Average WR#240
Average CR
#203
Average NR94
Podiums21/02/2026
Last ResultEvents
3x3x3 Cube
2x2x2 Cube
4x4x4 Cube
5x5x5 Cube
6x6x6 Cube
7x7x7 Cube
3x3x3 One-Handed
Clock
Megaminx
Pyraminx
Skewb
Square-1
Competitions
Brown Cubing Day 2026
Rubik's x TheCubicle CubingUSA All-Stars 2025
Rubik's WCA World Championship 2025
Lexing-not-a-ton of NxNs 2024
Beach Bash Jacksonville 2024
FSUbers 5.0 2024
CubingUSA Nationals 2023
FSUbers 4.5 2023
CubingUSA Southeast Championship 2023
Tally Spring 2023
FSUbers 3.0 2022
CubingUSA Southeast Championship 2022
Rubik's WCA North American Championship 2022
FSUbers 2.0 2022
FSUbers 2022
Florida Big & Blind & Time 2022
Florida Spring A 2022
Baton Rouge Winter 2022
Florida Fall 2021
Cubing with Manatees 2020
Chipola 2019
Silent Summer Orlando 2019
Gator Cubing Spring Open 2019
Lion Pride 2019
Dunwoody Day Bash 2019
Windsor Classic 2018
STEM Educ8 2018
Winter Warmup 2018
Cubing Knights 2017
Florida Cubing Spring Qualifier 2017
For The Love Of Cubing 2017
Event Progression
Event PB Progression
Position Progression
Result Distribution
Competition Results Table
| Competition | Date | Round | Single | Average | Position |
|---|---|---|---|---|---|
| Brown Cubing Day 2026 | 21/02/2026 | Final | 7.66s | 8.49s | #3 |
| Rubik's WCA World Championship 2025 | 03/07/2025 | Second round | 6.92s | 9.09s | #391 |
| Lexing-not-a-ton of NxNs 2024 | 15/09/2024 | Final | 8.28s | 8.98s | #5 |
| Beach Bash Jacksonville 2024 | 10/08/2024 | Final | 7.07s | 9.06s | #6 |
| FSUbers 5.0 2024 | 06/01/2024 | Final | 8.19s | 8.61s | #5 |
| CubingUSA Nationals 2023 | 27/07/2023 | Semi Final | 7.34s | 10.05s | #99 |
| CubingUSA Southeast Championship 2023 | 15/04/2023 | Final | 8.14s | 8.56s | #9 |
| Tally Spring 2023 | 08/04/2023 | Final | 7.50s | 7.97s | #3 |
| CubingUSA Southeast Championship 2022 | 29/07/2022 | Semi Final | 7.70s | 8.45s | #19 |
| Rubik's WCA North American Championship 2022 | 07/07/2022 | Semi Final | 7.06s | 8.25s | #41 |
| FSUbers 2.0 2022 | 21/05/2022 | Final | 7.24s | 8.58s | #4 |
| FSUbers 2022 | 24/04/2022 | Final | 6.65s | 8.10s | #1 |
| Florida Spring A 2022 | 12/03/2022 | Final | 7.58s | 8.58s | #4 |
| Baton Rouge Winter 2022 | 22/01/2022 | Final | 6.83s | 8.02s | #5 |
| Florida Fall 2021 | 11/12/2021 | Final | 6.65s | 7.77s | #2 |
| Cubing with Manatees 2020 | 18/01/2020 | Final | 7.23s | 8.84s | #3 |
| Chipola 2019 | 09/11/2019 | Final | 7.75s | 9.66s | #3 |
| Gator Cubing Spring Open 2019 | 04/05/2019 | Final | 8.06s | 9.44s | #5 |
| Lion Pride 2019 | 09/03/2019 | Final | 9.71s | 10.76s | #6 |
| Dunwoody Day Bash 2019 | 02/02/2019 | Final | 7.83s | 9.38s | #5 |
| Windsor Classic 2018 | 16/06/2018 | Final | 10.14s | 11.58s | #8 |
| STEM Educ8 2018 | 24/02/2018 | Final | 9.87s | 12.46s | #8 |
| Cubing Knights 2017 | 29/07/2017 | Second round | 13.38s | 14.93s | #22 |
| Florida Cubing Spring Qualifier 2017 | 15/04/2017 | Second round | 14.06s | 17.05s | #20 |
| For The Love Of Cubing 2017 | 11/02/2017 | Second round | 14.26s | 18.04s | #19 |
Round Breakdown
| Competition | Date | Round | Single | Average | Position |
|---|---|---|---|---|---|
| Brown Cubing Day 2026 | 21/02/2026 | First round | 7.25s | 8.62s | #5 |
| Brown Cubing Day 2026 | 21/02/2026 | Final | 7.66s | 8.49s | #3 |
| Rubik's WCA World Championship 2025 | 03/07/2025 | First round | 7.44s | 8.60s | #301 |
| Rubik's WCA World Championship 2025 | 03/07/2025 | Second round | 6.92s | 9.09s | #391 |
| Lexing-not-a-ton of NxNs 2024 | 15/09/2024 | Final | 8.28s | 8.98s | #5 |
| Beach Bash Jacksonville 2024 | 10/08/2024 | First round | 7.18s | 8.46s | #4 |
| Beach Bash Jacksonville 2024 | 10/08/2024 | Second round | 6.24s | 7.29s | #2 |
| Beach Bash Jacksonville 2024 | 10/08/2024 | Final | 7.07s | 9.06s | #6 |
| FSUbers 5.0 2024 | 06/01/2024 | First round | 7.16s | 7.38s | #1 |
| FSUbers 5.0 2024 | 06/01/2024 | Second round | 6.99s | 7.36s | #2 |
| FSUbers 5.0 2024 | 06/01/2024 | Final | 8.19s | 8.61s | #5 |
| CubingUSA Nationals 2023 | 27/07/2023 | First round | 7.40s | 9.34s | #145 |
| CubingUSA Nationals 2023 | 27/07/2023 | Second round | 7.65s | 8.68s | #96 |
| CubingUSA Nationals 2023 | 27/07/2023 | Semi Final | 7.34s | 10.05s | #99 |
| CubingUSA Southeast Championship 2023 | 15/04/2023 | First round | 8.59s | 9.21s | #18 |
| CubingUSA Southeast Championship 2023 | 15/04/2023 | Second round | 7.73s | 8.62s | #12 |
| CubingUSA Southeast Championship 2023 | 15/04/2023 | Final | 8.14s | 8.56s | #9 |
| Tally Spring 2023 | 08/04/2023 | First round | 8.03s | 8.37s | #4 |
| Tally Spring 2023 | 08/04/2023 | Second round | 8.43s | 9.46s | #8 |
| Tally Spring 2023 | 08/04/2023 | Final | 7.50s | 7.97s | #3 |
| CubingUSA Southeast Championship 2022 | 29/07/2022 | First round | 7.76s | 8.28s | #15 |
| CubingUSA Southeast Championship 2022 | 29/07/2022 | Second round | 7.39s | 8.27s | #13 |
| CubingUSA Southeast Championship 2022 | 29/07/2022 | Semi Final | 7.70s | 8.45s | #19 |
| Rubik's WCA North American Championship 2022 | 07/07/2022 | First round | 7.86s | 8.75s | #66 |
| Rubik's WCA North American Championship 2022 | 07/07/2022 | Second round | 6.90s | 7.96s | #28 |
| Rubik's WCA North American Championship 2022 | 07/07/2022 | Semi Final | 7.06s | 8.25s | #41 |
| FSUbers 2.0 2022 | 21/05/2022 | First round | 6.96s | 7.78s | #2 |
| FSUbers 2.0 2022 | 21/05/2022 | Second round | 7.31s | 8.42s | #3 |
| FSUbers 2.0 2022 | 21/05/2022 | Final | 7.24s | 8.58s | #4 |
| FSUbers 2022 | 24/04/2022 | First round | 8.20s | 8.68s | #3 |
| FSUbers 2022 | 24/04/2022 | Second round | 7.31s | 8.51s | #3 |
| FSUbers 2022 | 24/04/2022 | Final | 6.65s | 8.10s | #1 |
| Florida Spring A 2022 | 12/03/2022 | First round | 6.97s | 8.25s | #3 |
| Florida Spring A 2022 | 12/03/2022 | Second round | 7.07s | 8.31s | #1 |
| Florida Spring A 2022 | 12/03/2022 | Final | 7.58s | 8.58s | #4 |
| Baton Rouge Winter 2022 | 22/01/2022 | First round | 7.09s | 8.56s | #8 |
| Baton Rouge Winter 2022 | 22/01/2022 | Second round | 7.93s | 9.21s | #10 |
| Baton Rouge Winter 2022 | 22/01/2022 | Final | 6.83s | 8.02s | #5 |
| Florida Fall 2021 | 11/12/2021 | First round | 7.63s | 9.20s | #4 |
| Florida Fall 2021 | 11/12/2021 | Final | 6.65s | 7.77s | #2 |
| Cubing with Manatees 2020 | 18/01/2020 | First round | 7.89s | 9.58s | #4 |
| Cubing with Manatees 2020 | 18/01/2020 | Second round | 8.41s | 9.64s | #6 |
| Cubing with Manatees 2020 | 18/01/2020 | Final | 7.23s | 8.84s | #3 |
| Chipola 2019 | 09/11/2019 | First round | 7.38s | 9.56s | #3 |
| Chipola 2019 | 09/11/2019 | Second round | 7.42s | 9.61s | #4 |
| Chipola 2019 | 09/11/2019 | Final | 7.75s | 9.66s | #3 |
| Gator Cubing Spring Open 2019 | 04/05/2019 | First round | 7.88s | 8.93s | #1 |
| Gator Cubing Spring Open 2019 | 04/05/2019 | Second round | 8.58s | 9.74s | #5 |
| Gator Cubing Spring Open 2019 | 04/05/2019 | Final | 8.06s | 9.44s | #5 |
| Lion Pride 2019 | 09/03/2019 | First round | 8.70s | 9.94s | #3 |
| Lion Pride 2019 | 09/03/2019 | Second round | 8.64s | 9.35s | #3 |
| Lion Pride 2019 | 09/03/2019 | Final | 9.71s | 10.76s | #6 |
| Dunwoody Day Bash 2019 | 02/02/2019 | First round | 8.21s | 9.17s | #5 |
| Dunwoody Day Bash 2019 | 02/02/2019 | Second round | 8.67s | 9.61s | #6 |
| Dunwoody Day Bash 2019 | 02/02/2019 | Final | 7.83s | 9.38s | #5 |
| Windsor Classic 2018 | 16/06/2018 | First round | 9.84s | 10.49s | #7 |
| Windsor Classic 2018 | 16/06/2018 | Second round | 10.72s | 12.24s | #10 |
| Windsor Classic 2018 | 16/06/2018 | Final | 10.14s | 11.58s | #8 |
| STEM Educ8 2018 | 24/02/2018 | First round | 9.76s | 12.04s | #7 |
| STEM Educ8 2018 | 24/02/2018 | Second round | 10.28s | 11.07s | #4 |
| STEM Educ8 2018 | 24/02/2018 | Final | 9.87s | 12.46s | #8 |
| Cubing Knights 2017 | 29/07/2017 | First round | 11.18s | 12.67s | #9 |
| Cubing Knights 2017 | 29/07/2017 | Second round | 13.38s | 14.93s | #22 |
| Florida Cubing Spring Qualifier 2017 | 15/04/2017 | First round | 15.54s | 16.92s | #21 |
| Florida Cubing Spring Qualifier 2017 | 15/04/2017 | Second round | 14.06s | 17.05s | #20 |
| For The Love Of Cubing 2017 | 11/02/2017 | First round | 14.83s | 16.38s | #16 |
| For The Love Of Cubing 2017 | 11/02/2017 | Second round | 14.26s | 18.04s | #19 |
✉️
Subscribe to Newsletter
Get updates about new features, analytics tools and WCA insights.
Stay updated with new features and analytics tools!
Subscribe to Newsletter
© 2026 SpeedCubeAnalytics | Official results and rankings provided by the World Cube Association (WCA) | Not affiliated with or endorsed by the WCA