Ronald Jefferson JEFFERSON

Half Marathon

10km Road

10,000m

1500m

3000mSC

Marathon

Brazil

Born17 MAR 1994 (32)

Ronald Jefferson's code14816399

Current World Rankings

#1747 Men's marathon

Personal bests

Result

1:05:48

Date

30 MAY 2026

Score

964

Competition & venue

Porto Alegre (BRA)

Result

30:01

Date

05 JUN 2026

Score

953

Competition & venue

Rio de Janeiro (BRA)

Result

30:02.74

Date

09 JUN 2019

Score

951

Competition & venue

Sao Bernardo do Campo (BRA)

Result

3:55.21

Date

05 MAY 2018

Score

912

Competition & venue

Campinas (BRA)

Result

9:26.69

Date

08 APR 2018

Score

886

Competition & venue

Sao Bernardo do Campo (BRA)

* Not legal

Season’s bests (2026)

* Not legal

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