| IMGA | International Masters Games Association |
| Indoor | Those athletic events that are held indoors |
| Master | Another term for Veteran (in many countries and sports) |
| Mountain | Those events held in the mountains |
| Non-Stadia | Those athletic events that are held outside of the Stadium |
| Stadia | Those athletic events that are held within the Stadium |
| TCFPA | Torsten Carlius Fair Play Award |
| Veteran/Master | Womens of age 35 + and Men of age 35 + (birth date and not birth year is applied) |
| WA | World Athletics |
| WMA | World Masters Athletics |
| WMACI | World Masters Athletics Championships Indoor |
| WMACS | World Masters Athletics Championships Stadia |
| WMG | World Master Games |
| WMMRC | World Masters Mountain Running Championships |
| WMRA | World Mountain Running Association |