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

David Griffard

M · Age 40 · Elk Grove, CA

Runner Index

55.5

Participant

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

#1

Urban Cow Weekend

Half Marathon · 2025-09-27

57.8% AG

#2

Shamrock'n Weekend

Half Marathon · 2026-03-14

54.8% AG

#3

California International Marathon

Marathon · 2025-12-07

54.1% 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

24:21

10K

49:19

Half Marathon

01:47:26

Marathon

03:41:53

Races

5

Total Distance

147.7 km

Best Age-Graded

57.8%

Best Distance

Half Marathon

Trophy Case

🏆

Best Overall Finish

341st Overall at Urban Cow Weekend · 2025-09-27

🥇

Best Age-Graded

57.8%Participant
⚡

Fastest Times

Half Marathon: 01:43:17Marathon: 03:47:47

David Griffard

Elk Grove, CA · Age 40

Runner Index

55.5

Participant

Total Races

5

Total KM

147.7 km

Career Podiums

0

Favorite Distance

Half Marathon

PB at Favorite

01:43:17

Best Year

2024 (2 races)

runclax — Community Local Athletes Index

Personal Bests

Half Marathon

01:43:17

Urban Cow Weekend

2025-09-27

57.8% AG

Marathon

03:47:47

California International Marathon

2025-12-07

54.1% AG

Age-Graded Trend

Year by Year

YearRacesBest Age-GradedBest TimeDistance
2024253.6%01:50:2363.3 km
2025257.8%01:43:1763.3 km
2026154.8%01:48:5921.1 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
Shamrock'n Weekend2026-03-14Half Marathon01:48:5959954.8%
California International Marathon2025-12-07Marathon03:47:47438154.1%
Urban Cow Weekend2025-09-27Half Marathon01:43:1734157.8%
California International Marathon2024-12-08Marathon03:53:22468252.4%
Urban Cow Weekend2024-10-05Half Marathon01:50:2348453.6%