What's the top ten times for 2018 for US men excluding Rupp. Here's Yuki Kawauchi 2018 marathon times so far this year.
2018 Marshfield Road Runners New Years Day Marathon Marshfield, United States 1st Marathon 2:18:59[31]
2018 Kitakyushu Marathon Kitakyushu, Japan 1st Marathon 2:11:46
2018 New Taipei City Wan Jin Shi Marathon New Taipei City, Taiwan 1st Marathon 2:14:12
2018 Boston Marathon Boston, Massachusetts 1st Marathon 2:15:58
2018 Stockholm Marathon Stockholm, Sweden 4th Marathon 2:22:57
2018 Gold Coast Marathon Gold Coast, Australia 9th Marathon 2:14:51
2018 New Caledonia International Marathon Noumea, New Caledonia 1st Marathon 2:18:18
2018 Wakkanai Heiwa Marathon Wakkanai, Hokkaido 2nd Marathon 2:24:55
2018 2018 Chicago Marathon
Plus here are the ultras he has done this year.
2018 Yatsugatake Nobeyama Highland Ultramarathon Nagano, Japan 1st 71 km 4:41:55
2018 Okinoshima Ultramarathon Shimane, Japan 1st 50 km 2:52:55
Plus here is Yuki Kawauchi half marathons he has done this year.
2018 Okukuma Road Race Kumamoto, Japan 7th Half Marathon 1:03:28
2018 Fukaya City Half Marathon Saitama, Japan 1st Half Marathon 1:04:26
2018 Kanaguri Hai Tamana Half Marathon Kumamoto, Japan 12th Half Marathon 1:04:49
2018 Yoshinogawa Riverside Half Marathon Tokushima, Japan 1st Half Marathon 1:05:50
2018 Kuki Half Marathon Saitama, Japan 2nd Half Marathon 1:10:03 - wore panda costume
2018 Gifu Seiryu Half Marathon Gifu, Japan 14th Half Marathon 1:04:35
2018 Kawauchi no Sato Kaeru Half Marathon Fukushima, Japan 1st Half Marathon 1:05:56
2018 Kasukabe Otako Half Marathon Saitama, Japan 2nd Half Marathon 1:05:45
2018 Toyohiragawa Half Marathon Hokkaido, Japan 1st Half Marathon 1:06:39
2018 Sendai International Half Marathon Miyagi, Japan 7th Half Marathon 1:03:41
2018 Kinshuko Half Marathon Iwate, Japan 1st Half Marathon 1:07:49
2018 Nemuro Seaside Half Marathon Hokkaido, Japan 1st Half Marathon 1:06:39
https://en.m.wikipedia.org/wiki/Yuki_Kawauchi