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Tania Rivas

F · Age 33 · Sacramento, CA

Runner Index

39.8

Participant

Average of your best 3 races in the past 3 years (any distance, by age-graded performance).

#1

Urban Cow Weekend

5K · 2026-09-26

41.4% AG

#2

Urban Cow Weekend

Half Marathon · 2026-09-26

39.2% AG

#3

Urban Cow Weekend

Half Marathon · 2025-09-27

38.8% AG

Predicted Times

Based on your Runner Index — the average of your three best age-graded performances in the last 3 years. Times reflect your peak level, not a typical race day.

5K

27:48

10K

57:32

Half Marathon

02:05:44

Marathon

04:19:52

Races

4

Total Distance

57.2 km

Best Age-Graded

41.4%

Best Distance

5K

Trophy Case

🏆

Best Overall Finish

403rd Overall at Kaiser Permanente Women's Fitness Festival · 2025-06-01

🥇

Best Age-Graded

41.4%Participant
⚡

Fastest Times

5K: 33:5810K: 01:18:47Half Marathon: 02:41:50

Tania Rivas

Sacramento, CA · Age 33

Runner Index

39.8

Participant

Total Races

4

Total KM

57.2 km

Career Podiums

0

Favorite Distance

5K

PB at Favorite

33:58

Best Year

2025 (2 races)

runclax — Community Local Athletes Index

Personal Bests

5K

33:58

Urban Cow Weekend

2026-09-26

41.4% AG

10K

01:18:47

Kaiser Permanente Women's Fitness Festival

2025-06-01

36.6% AG

Half Marathon

02:41:50

Urban Cow Weekend

2026-09-26

39.2% AG

Age-Graded Trend

Year by Year

YearRacesBest Age-GradedBest TimeDistance
2025238.8%01:18:4731.1 km
2026241.4%33:5826.1 km

Your peers

Runners close to you in age and ability, so you can line up your own little race series.

Race History

RaceDateDistanceTimeOverallAG PlaceAge-Graded
Urban Cow Weekend2026-09-26Half Marathon02:41:50286926239.2%
Urban Cow Weekend2026-09-265K33:586644341.4%
Urban Cow Weekend2025-09-27Half Marathon02:42:59240238.8%
Kaiser Permanente Women's Fitness Festival2025-06-0110K01:18:4740336.6%