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RD
Richard Diefenbach
MaleTexas2008–2026
21
Total Finishes
20
Different Races
10
States (20%)
1:45:19
PR (8:02/mi)
2:09:03
Average
+0:27:00
Slower (first to last)
Medal House
2021
Saguaro Half Marathon
2:24:32
#420 overall#226 gender
2021
Mount Rushmore Half Marathon
2:35:55
#655 overall#290 gender
2017
Sea Turtle & Sweetheart Running Festival
2:04:19
#79 overall
2012
31st Annual Tom King Classic Half Marathon Run and 5K Run/Walk
1:48:52
#385 overall#290 gender
2012
Rock n Roll Nashville
1:59:13
#3085 overall#1920 gender
2011
Lincoln Memorial Half Marathon
2:05:38
#644 overall#428 gender
2010
Geist Half Marathon, 10K, 5K & 1 Mile
1:45:19
#324 overall#274 gender
2010
Second Wind Christie Clinic Illinois Race Weekend Training Program
1:50:04
#590 overall#446 gender
2009
Borgess Run For The Health Of It!
1:48:15
#189 overall#163 gender
2009
Fallsburg Marathon Half Marathon
1:51:03
#19 overall#14 gender
2009
Capital City River Run
1:52:54
#471 overall#331 gender
2008
Fallsburg Marathon Half Marathon
1:50:39
#31 overall#26 gender
Performance Timeline
Complete Race Log
| Year | Race | State | Time | Place |
|---|---|---|---|---|
| 2026 | RUN THE ALAMOSan Antonio | TX | 2:17:39 | #1615 |
| 2024 | Yosemite Half MarathonBass Lake | CA | 2:12:21 | #1052 |
| 2024 | Zion Half MarathonSpringdale | UT | 2:18:50 | #474 |
| 2023 | Mount Rainier Half Marathon & Trail EventsEnumclaw | WA | 2:22:32 | #540 |
| 2023 | Rocky Mountain Half Marathon & 5KEstes Park | CO | 2:36:56 | #622 |
| 2022 | Grand Teton Half MarathonJackson | WY | 2:10:30 | #362 |
| 2022 | Everglades Half MarathonMiami | FL | 2:13:16 | #192 |
| 2022 | Texas Bluebonnet HalfMcKinney | TX | 2:16:48 | #125 |
| 2022 | Great Smoky Mountains Half Marathon & 5KTownsend | TN | 2:20:27 | #537 |
| 2022 | Yellowstone Half Marathon WeekendWest Yellowstone | MT | 2:23:17 | #353 |
| 2021 | Saguaro Half MarathonTucson | AZ | 2:24:32 | #420 |
| 2021 | Mount Rushmore Half MarathonKeystone | SD | 2:35:55 | #655 |
| 2017 | Sea Turtle & Sweetheart Running FestivalGulf Shores | AL | 2:04:19 | #79 |
| 2012 | 31st Annual Tom King Classic Half Marathon Run and 5K Run/WalkNashville | TN | 1:48:52 | #385 |
| 2012 | Rock n Roll NashvilleNashville | TN | 1:59:13 | #3085 |
| 2011 | Lincoln Memorial Half MarathonSpringfield | IL | 2:05:38 | #644 |
| 2010 | Geist Half Marathon, 10K, 5K & 1 MileFishers | IN | 1:45:19 | #324 |
| 2010 | Second Wind Christie Clinic Illinois Race Weekend Training ProgramChampaign | IL | 1:50:04 | #590 |
| 2009 | Borgess Run For The Health Of It!Kalamazoo | MI | 1:48:15 | #189 |
| 2009 | Fallsburg Marathon Half MarathonLowell | MI | 1:51:03 | #19 |
| 2009 | Capital City River RunLansing | MI | 1:52:54 | #471 |
| 2008 | Fallsburg Marathon Half MarathonLowell | MI | 1:50:39 | #31 |
States Raced
1 race 2 races 3-4 races 5+ races
State Breakdown
MIMichigan
4 racesTNTennessee
3 racesILIllinois
2 racesTXTexas
2 racesALAlabama
1 raceAZArizona
1 raceINIndiana
1 raceMTMontana
1 raceSDSouth Dakota
1 raceWYWyoming
1 race50-State Challenge
10/ 51 states + DC
41 states to go