Dai, William

Born 19692012 – 2026

Events

2012 – 2026

Best pace

12.459

km/h · 2016

Best finish

1st

of 42 · 2015

Distance raced

7,574

km · splits not double-counted

Pace over time

km/h · higher is faster

Actual pace
Age-graded pace

Results

Results 51 to 97 of 97 for this runner, in date order. Splits of a race are indented and are not counted again in the distance total.
Date	Event	Distance	Result	Pace km/h	Placing
2018-09-15	Folsom Lake Ultra TrailUnited States*San Francisco, CA	110km	14:39:01 h	7.508	10/47
2018-11-03	Rio Del Lago 100 Mile Endurance RunUnited States*San Francisco, CA	100mi	23:24:14 h	6.876	49/250
2018-11-24	Quad Dipsea Trail RunUnited States*San Francisco, CA	28mi	5:53:23 h	7.651	52/279
2018-12-08	Hunter S. Thompson Fear & Loathing 50 kmUnited States*San Francisco, CA	50km	6:45:00 h	7.407	18/47
2019-02-02	Jed Smith Ultra Classic - 50 km RaceUnited States*San Francisco, CA	50km	4:31:02 h	11.069	14/50
2019-02-16	FOURmidable 50KUnited States*San Francisco, CA	50km	5:24:28 h	9.246	46/188
2019-03-02	Way Too Cool 50K Endurance RunUnited States*San Francisco, CA	50km	4:57:40 h	10.078	84/612
2019-04-06	American River 50 Mile Endurance RunUnited States*San Francisco, CA	50mi	8:58:03 h	8.973	37/363
2019-05-04	Miwok 100k Trail RaceUnited States*San Francisco, CA	100km	11:29:00 h	8.708	31/271
2019-05-11	Quicksilver 100 km Endurance RunUnited States*San Francisco, CA	100km	14:15:06 h	7.017	52/148
2019-05-19	Ohlone 50K Wilderness RunUnited States*San Francisco, CA	50km	6:27:44 h	7.737	19/111
2019-07-20	Tahoe Rim Trail 100M Endurance RunUnited States*San Francisco, CA	100mi	31:08:54 h	5.167	77/156
2019-08-24	Tamalpa Headlands 50KUnited States*San Francisco, CA	31.5mi	5:32:18 h	9.153	24/143
2019-09-14	Headlands Hundred 100 Mile Endurance RunUnited States*San Francisco, CA	100mi	26:45:19 h	6.015	16/48
2019-10-05	Dick Collins Firetrails 50 MileUnited States*San Francisco, CA	50mi	9:39:49 h	8.327	12/80
2019-10-12	Ruth Anderson Ultra 100kmUnited States	100km	10:31:37 h	9.499	1/4
2019-11-30	Quad Dipsea Trail RunUnited States*San Francisco, CA	28mi	5:51:15 h	7.697	62/274
2020-02-01	Jed Smith Ultra Classic - 50 km RaceUnited States*San Francisco, CA	50km	4:11:55 h	11.909	10/60
2020-02-15	FOURmidable 50KUnited States*San Francisco, CA	50km	5:22:26 h	9.304	35/200
2020-03-07	Way Too Cool 50K Endurance RunUnited States*San Francisco, CA	50km	4:37:56 h	10.794	69/572
2020-03-14	Pioneer Spirit 50MUnited States*San Francisco, CA	50mi	9:25:22 h	8.540	27/67
2022-08-07	Skyline 50k Endurance RunUnited States*San Francisco, CA	50km	5:32:59 h	9.009	37/197
2022-09-24	Dick Collins Firetrails 50 MileUnited States*San Francisco, CA	50mi	10:41:45 h	7.523	19/96
2022-10-08	Ruth Anderson Ultra 50kmUnited States	50km	4:55:39 h	10.147	12/54
2022-11-05	Rio Del Lago 100 Mile Endurance RunUnited States*San Francisco, CA	100mi	22:09:16 h	7.264	22/194
2023-02-18	FOURmidable 50KUnited States*San Francisco, CA	50km	5:33:46 h	8.988	53/209
2023-04-08	Lake Sonoma 50 Mile RaceUnited States	50mi	10:26:42 h	7.704	57/215
2023-05-13	Quicksilver 100 km Endurance RunUnited States*San Francisco, CA	100km	14:46:01 h	6.772	38/99
2023-07-15	Tahoe Rim Trail 100M Endurance RunUnited States*San Francisco, CA	100mi	27:46:39 h	5.794	24/115
2023-09-03	Crystal Springs 50 km Summer Trail RunUnited States*San Francisco, CA	50km	5:18:00 h	9.434	5/43
2023-09-30	Dick Collins Firetrails 50 MileUnited States*San Francisco, CA	50mi	9:28:54 h	8.487	10/98
2023-10-14	Ruth Anderson Ultra 50kmUnited States	50km	4:29:31 h	11.131	14/60
2023-11-25	Quad Dipsea Trail RunUnited States*San Francisco, CA	28mi	5:52:06 h	7.679	97/338
2024-03-02	North Marin Ridge 50km RunUnited States*San Francisco, CA	50km	5:28:30 h	9.132	3/25
2024-05-04	Miwok 100k Trail RaceUnited States*CA	100km	12:49:40 h	7.796	56/222
2024-07-19	Cascade Crest Classic 100 MileUnited States*San Francisco, CA	100mi	27:49:47 h	5.783	48/124
2024-09-29	Dick Collins Firetrails 50 MileUnited States*San Francisco, CA	50mi	10:08:56 h	7.929	13/75
2024-11-30	Quad Dipsea Trail RunUnited States	28mi	5:38:38 h	7.984	65/265
2024-12-21	Woodside Ramble 50K - WinterUnited States*San Francisco, CA	50km	5:22:00 h	9.317	17/76
2025-02-22	Montara Mountain 50 km Trail RunUnited States*San Francisco, CA	50km	5:30:27 h	9.079	9/38
2025-05-10	Quicksilver 100 km Endurance RunUnited States*San Francisco, CA	100km	13:34:43 h	7.365	30/128
2025-06-06	San Diego 100 Mile Endurance RunUnited States*San Francisco, CA	100mi	28:11:18 h	5.709	46/135
2025-06-28	Western States 100 Mile Endurance RunUnited States	100mi	23:33:00 h	6.834	80/285
2025-10-11	Ruth Anderson Ultra 50miUnited States*San Francisco, CA	50mi	8:06:37 h	9.922	4/18
2025-11-29	Quad Dipsea Trail RunUnited States*San Francisco, CA	28.4mi	5:41:43 h	8.025	62/259
2026-03-14	Marin Ultra Challenge 50 Mile RaceUnited States*San Francisco, CA	50mi	9:26:02 h	8.530	26/175
2026-05-09	Quicksilver 100 km Endurance RunUnited States*San Francisco, CA	100km	14:21:03 h	6.968	82/179

Showing 51–97 of 97

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