Full name: Rolf Axel Einar Grönberg
Nickname(s): Acke
Gender: Male
Born: May 9, 1918 in Norberg, Västmanland, Sweden
Died: April 23, 1988 in Stockholm, Stockholm, Sweden
Affiliations: BK Athén, Stockholm (SWE)
Country:
Sweden
Sport: Wrestling
Medals: 2 Gold (2 Total)
| Games | Age | City | Sport | Event | Team | NOC | Rank | Medal | |
|---|---|---|---|---|---|---|---|---|---|
| 1948 Summer | 30 | London | Wrestling | Men's Middleweight, Greco-Roman | Sweden | SWE | 1 | Gold | |
| 1952 Summer | 34 | Helsinki | Wrestling | Men's Middleweight, Greco-Roman | Sweden | SWE | 1 | Gold |
| Games | Age | City | Sport | Team | NOC | Phase | Unit | Rank | Date | Result | BP | MR | MMR/RE |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1948 Summer | 30 | London | Wrestling | Sweden | SWE | Final Standings | 1 | 1948-08-03 | |||||
| 1948 Summer | 30 | London | Wrestling | Sweden | SWE | Final Round | Match #1 | 1 | 1948-08-06 | Grönberg (SWE) decision (3-0), Tayfur (TUR) | |||
| 1948 Summer | 30 | London | Wrestling | Sweden | SWE | Round Five | 1 | 1948-08-06 | 2 | ||||
| 1948 Summer | 30 | London | Wrestling | Sweden | SWE | Round Five | Match #1 | 1 | 1948-08-06 | Grönberg (SWE) fall (7:08), Benoy (BEL) | 0 | ||
| 1948 Summer | 30 | London | Wrestling | Sweden | SWE | Round Four | 1 | 1948-08-05 | 2 | ||||
| 1948 Summer | 30 | London | Wrestling | Sweden | SWE | Round Four | Match #2 | 1 | 1948-08-05 | Grönberg (SWE) decision (3-0), Németi (HUN) | 1 | ||
| 1948 Summer | 30 | London | Wrestling | Sweden | SWE | Round Three | 2T | 1948-08-05 | 1 | ||||
| 1948 Summer | 30 | London | Wrestling | Sweden | SWE | Round Three | Match #2 | 1 | 1948-08-05 | Grönberg (SWE) fall (4:29), Kinnunen (FIN) | 0 | ||
| 1948 Summer | 30 | London | Wrestling | Sweden | SWE | Round Two | 2T | 1948-08-04 | 1 | ||||
| 1948 Summer | 30 | London | Wrestling | Sweden | SWE | Round Two | Match #1 | 1 | 1948-08-04 | Grönberg (SWE) decision (3-0), Larsen (NOR) | 1 | ||
| 1948 Summer | 30 | London | Wrestling | Sweden | SWE | Round One | 1T | 1948-08-03 | 0 | ||||
| 1948 Summer | 30 | London | Wrestling | Sweden | SWE | Round One | Match #1 | 1 | 1948-08-03 | Grönberg (SWE) fall (17:36), Ahmad (EGY) | 0 | ||
| 1952 Summer | 34 | Helsinki | Wrestling | Sweden | SWE | Final Standings | 1 | 1952-07-24 | 2-0 | ||||
| 1952 Summer | 34 | Helsinki | Wrestling | Sweden | SWE | Final Round | Match #2 | AC | 1952-07-27 | Grönberg (SWE) | |||
| 1952 Summer | 34 | Helsinki | Wrestling | Sweden | SWE | Round Four | 2 | 1952-07-27 | 4 | ||||
| 1952 Summer | 34 | Helsinki | Wrestling | Sweden | SWE | Round Four | Match #1 | 1 | 1952-07-27 | Grönberg (SWE) decision (3-0), Belov (URS) | 1 | ||
| 1952 Summer | 34 | Helsinki | Wrestling | Sweden | SWE | Round Three | 3 | 1952-07-26 | 3 | ||||
| 1952 Summer | 34 | Helsinki | Wrestling | Sweden | SWE | Round Three | Match #2 | 1 | 1952-07-26 | Grönberg (SWE) decision (3-0), Gallegati (ITA) | 1 | ||
| 1952 Summer | 34 | Helsinki | Wrestling | Sweden | SWE | Round Two | 3T | 1952-07-25 | 2 | ||||
| 1952 Summer | 34 | Helsinki | Wrestling | Sweden | SWE | Round Two | Match #2 | 1 | 1952-07-25 | Grönberg (SWE) decision (3-0), Gocke (GER) | 1 | ||
| 1952 Summer | 34 | Helsinki | Wrestling | Sweden | SWE | Round One | 3T | 1952-07-24 | 1 | ||||
| 1952 Summer | 34 | Helsinki | Wrestling | Sweden | SWE | Round One | Match #2 | 1 | 1952-07-24 | Grönberg (SWE) decision (3-0), Rauhala (FIN) | 1 |