井原知一
100マイルのリザルト

これまでの100マイルレース／チャレンジの戦績。
| No>  | Date | Race | Time | Result |
| --- | --- | --- | --- | --- |
| 001 | 2010.11 | T.D.T.100MILE（多摩川河川敷の160KM走） | 25:03:00 | ── |
| 002 | 2011.04 | T.D.T. 100MILE | 21:40:19 | ── |
| 003 | 2011.07 | おんたけウルトラトレイル100MILE | 18:49:51 | 4th |
| 004 | 2011.11 | CHIMERA 100MILE | 19:30:33 | 3rd |
| 005 | 2012.02 | ROCKY ROAD 100MILE | 16:52:59 | 4th |
| 006 | 2012.05 | BORN TO RUN 100MILE | 17:50:00 | 1st |
| 007 | 2012.07 | おんたけウルトラトレイル100MILE | 17:06:31 | 2nd |
| 008 | 2012.11 | CHIMERA 100MILE | 20:08:21 | 5th |
| 009 | 2013.01 | H.U.R.T 100M | 24:49:00 | 6th |
| 010 | 2013.03 | ANTELOPE BUFFALO RUN 100MILE | 17:47:00 | 4th |
| 011 | 2013.06 | T.D.T. 100MILE | 23:41:00 | ── |
| 012 | 2013.08 | ANGELES CREST 100MILE | 22:28:35 | 5th |
| 013 | 2013.10 | PINHOTI 100MILE | 20:30:03 | 9th |
| 014 | 2013.11 | HK168KM | 27:25:28 | 3rd |
| 015 | 2014.01 | H.U.R.T 100MILE | 26:02:00 | 7th |
| 016 | 2014.03 | ANTELOPE BUFFALO RUN 100MILE | 17:17:12 | 2nd |
| 017 | 2014.07 | ツール・ド・八ヶ岳（八ヶ岳の周りを走るファンラン）160KM | 29:09:01 | ── |
| 018 | 2014.08 | ANGELES CREST 100MILE | 31:19:27 | 75th |
| 019 | 2014.11 | T.D.T. 100MILE | 23:12:00 | ── |
| 020 | 2015.01 | H.U.R.T 100M | 23:21:07 | 4th |
| 021 | 2015.04 | T.D.T. 100MILE | 21:28:00 | ── |
| 022 | 2015.07 | おんたけウルトラトレイル100MILE | 17:55:38 | 4th |
| 023 | 2015.09 | UTMF | 25:24:59 | 15th |
| 024 | 2015.11 | T.D.T. 100MILE | 21:26:00 | ── |
| 025 | 2016.01 | H.U.R.T 100MILE | 25:44:33 | 8th |
| 026 | 2016.02 | ORCAS ISLAND 100MILE | 22:40:42 | 3rd |
| 027 | 2016.03 | FORT CLINCH 100MILE | 19:23:20 | 2nd |
| 028 | 2016.04 | T.D.T. 100MILE | 21:24:00 | ── |
| 029 | 2016.06 | 天狗24耐（高尾山ファンラン） | 23:14:47 | ── |
| 030 | 2016.08 | ANGELES CREST 100MILE | 25:43:09 | 28th |
| 031 | 2016.08 | CASCADE CREST 100MILE | 21:37:00 | 8th |
| 032 | 2016.09 | IMTUF 100MILE | 26:23:29 | 12th |
| 033 | 2016.10 | T.D.T. 100MILE | 22:49:00 | ── |
| 034 | 2017.01 | H.U.R.T 100MILE | 25:43:23 | 6th |
| 035 | 2017.03 | COYOTE COHORTS BACKBONE TRAIL 100MILE | 21:47:13 | 1st |
| 036 | 2017.04 | 天狗24耐 | 23:31:00 | ── |
| 037 | 2017.05 | T.D.T. 100MILE | 22:36:00 | ── |
| 038 | 2017.06 | OLD MARKET 100MILE（400Mトラック×400周） | 21:30:00 | ── |
| 039 | 2017.07 | おんたけウルトラトレイル100MILE | 19:07:10 | 9th |
| 040 | 2017.08 | PRECOR 100MILE（トレッドミルで100MILE） | 16:51:00 | ── |
| 041 | 2017.09 | MOUNTAIN LAKES 100MILE | 21:14:41 | 5th |
| ── | 2018.03 | Barkley Marathons | 1LOOP | DNF |
| 042 | 2017.04 | 天狗60耐 | 58:03:00 | ── |
| 043 | 2017.05 | T.D.T 100MILE | 23:10:00 | ── |
| 044 | 2017.09 | 信越五岳100MILE | 21:02:41 | 7th |
| 045 | 2017.10 | TTK100MILE（高尾から笠取山ピストン） | 37:07:00 | ── |
| 046 | 2017.12 | 天狗100MILE | 38:30:00 | ── |
| 047 | 2019.01 | H.U.R.T 100MILE | 24:21:19 | 4th |
| 048 | 2019.02 | HK4TUC | 57:30:00 | 8th Ever Finisher |
| ── | 2019.03 | Barkley Marathons | FUNRUN | DNF |
| 049 | 2019.04 | SEOUL TRAIL 100MILE | 26:30:00 | ── |
| 050 | 2019.05 | T.D.T. 100MILE | 22:30:00 | ── |
| 051 | 2019.07 | おんたけウルトラトレイル100MILE | 19:13:17 | 6th |
| 052 | 2019.09 | 信越五岳100MILE | 20:20:18 | 4th |
| 053 | 2019.11 | HACHIKOKU 100MILE | 35:50:00 | ── |
| 054 | 2019.12 | 穂坂100MILE | 35:30:00 | ── |
| 055 | 2020.01 | H.U.R.T 100MILE | 23:57:20 | 4th |
| 056 | 2020.10 | からすてんぐ100 | 32:58:00 | ── |
| 057 | 2020.12 | WTK100 | 23:50:00 | ── |
| 058 | 2021.10 | 東海自然歩道FKT | 417km | DNF |
| 059 | 2021.12 | フクロウ100 | 23:08:00 | ── |
| ── | 2022.03 | Barkley Marathons | 2LOOPS | DNF |
| 060 | 2022.05 | 彩の国100MILE | 26:24:41 | 2nd |
| 061 | 2022.06 | まちなかトレラン釧路大会24時間耐久レース | ── | ── |
| 062 | 2022.09 | 信越五岳100MILE | 20:58:56 | 3rd |
| 063 | 2022.11 | Backyard Ultra Last Samura Standing | 42hrs | Winner |
| 064 | 2022.12 | DOI INTHANON BY UTMB - SUMMIT160 | 29:19:12 | 22nd |
| 065 | 2023.01 | HK4TUC | 54:02:00 | 1st Ever Finisher |
| ── | 2023.03 | Barkley Marathons | FUNRUN | DNF |
| 066 | 2023.06 | Old Dominion100 | 18:52:27 | 2nd |
| 067 | 2023.01 | Western States100 | 20:19:58 | 39th |
| ── | 2023.07 | Vermont 100 | CANCELLED | ── |
| 068 | 2023.07 | Devil's Gulch100 | 23:54:44 | 1st |
| 069 | 2023.08 | Leadville100 | 23:31:18 | 40th |
| 070 | 2023.09 | Wasatch100 | 23:17:17 | 6th |
| ── | 2024.01 | Revenant | 1 LOOP | DNF |
| ── | 2024.03 | Barkley Marathons | FUNRUN | DNF |
| 071 | 2024.04 | TDT II 100M | 21:52:55 | ── |
| 072 | 2024.05 | Massanutten Mountain Trails 100M | 24:06:09 | 15th |
| 073 | 2024.06 | Deep Japan 100M | 28:56:32 | 3rd |
| 074 | 2024.07 | Hardrock 100M | 45:30:00 | Pacer |
| 075 | 2024.09 | Plain100M | 25:57:17 | 2nd |
| 076 | 2024.11 | FTR100M | 24:42:22 | 1st |
| 077 | 2024.12 | Chiang Mai Thailand by UTMB 100M | 28:45:30 | 23rd |