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runclaxCommunity Local Athletes Index · 5K · 10K · Half Marathon · MarathonSupport us

Seth Williams

M · Age 48 · Sacramento, CA

Runner Index

52.1

Participant

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

#1

Urban Cow Weekend

Half Marathon · 2026-09-26

54.4% AG

#2

Shamrock'n Weekend

Half Marathon · 2025-03-15

51.0% AG

#3

Urban Cow Weekend

Half Marathon · 2025-09-27

50.8% 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

25:38

10K

52:48

Half Marathon

01:55:02

Marathon

04:01:10

Races

4

Total Distance

68.3 km

Best Age-Graded

54.4%

Best Distance

Half Marathon

Trophy Case

🏆

Best Overall Finish

1004th Overall at Shamrock'n Weekend · 2025-03-15

🥇

Best Age-Graded

54.4%Participant
⚡

Fastest Times

5K: 43:32Half Marathon: 01:57:22

Seth Williams

Sacramento, CA · Age 48

Runner Index

52.1

Participant

Total Races

4

Total KM

68.3 km

Career Podiums

0

Favorite Distance

5K

PB at Favorite

43:32

Best Year

2025 (2 races)

runclax — Community Local Athletes Index

Personal Bests

5K

43:32

Urban Cow Weekend

2026-09-26

33.0% AG

Half Marathon

01:57:22

Urban Cow Weekend

2026-09-26

54.4% AG

Age-Graded Trend

Year by Year

YearRacesBest Age-GradedBest TimeDistance
2025251.0%02:02:5142.2 km
2026254.4%43:3226.1 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 Marathon01:57:2211356254.4%
Urban Cow Weekend2026-09-265K43:3211834033.0%
Urban Cow Weekend2025-09-27Half Marathon02:04:29110950.8%
Shamrock'n Weekend2025-03-15Half Marathon02:02:51100451.0%