Masanao Kobayashi (M40)

2025

1 Race | 62 mi.

Dinosaur Valley Endurance Run

Nov 22nd 2025
| Glen Rose, TX
Distance
100 KM
Overall
172 / 227
Division (M)
135 / 171
20:12:01

2024

4 Races | 262 mi.

Brazos Bend 100

Dec 7th 2024
| Needville, TX
Distance
100 Miles
Overall
74 / 120
Division (M)
58 / 95
28:01:58

Wild Hare

Nov 16th 2024
| Warda, TX
Distance
50 Miles
Overall
11 / 28
Division (M)
9 / 22
11:47:20

Quicksilver

May 11th 2024
| San Jose, CA
Distance
100 KM
Overall
104 / 121
Division (M)
86 / 101
16:17:31

Brazos Bend 50

Apr 6th 2024
| Needville, TX
Distance
50 Miles
Overall
31 / 151
Division (M)
27 / 113
9:47:02

2023

3 Races | 124 mi.

Black Canyon Ultras

Feb 18th 2023
| Mayer, AZ
Distance
100 KM
Overall
458 / 704
Division (M)
341 / 517
15:49:20

Montara Mountain

Feb 12th 2023
| Pacifica, CA
Distance
50 KM
Overall
17 / 27
Division (M)
14 / 22
6:28:39

Golden Gate (Winter)

Feb 4th 2023
| Rodeo Beach, CA
Distance
50 KM
Overall
32 / 42
Division (M)
25 / 33
7:25:57

2022

2 Races | 62 mi.

Crystal Springs - Summer

Sep 4th 2022
| Woodside, CA
Distance
50 KM
Overall
13 / 17
Division (M)
11 / 12
7:15:40

South Hills Single Track Trail Run - Spr...

Mar 26th 2022
| San Jose, CA
Distance
50 KM
Overall
10 / 23
Division (M)
7 / 18
5:55:44
10
Races
3y 7m 2d
Longevity
511
Lifetime Miles

Personal Bests

50k (4)
5:55:44
2022
50m (2)
9:47:02
2024
100k (3)
15:49:20
2023
100m (1)
28:01:58
2024

Distance by Year

2025
62 Miles
1 Race
2024
262 Miles
4 Races
2023
124 Miles
3 Races
2022
62 Miles
2 Races

Multiple Performances

Weekly Newsletter

A roundup of the week's content and most recent race results. Sent once a week on Thursday.

Recent Results

Great Mansfield Outdoors
Mansfield, ON - 56 finishers
100 KM | 50 KM
Hoof It on the Hill
Cherry Creek, NY - 9 finishers
52 KM
Smith Rock Classic
Terrebonne, OR - 185 finishers
50 Miles | 50 KM
Mohican Trail Run
Loudonville, OH - 251 finishers
100 Miles | 50 Miles
Kettlefoot
Mountain City, TN - 28 finishers
50 KM
Chesterfield Gorge Ultra
West Chesterfield, MA - 120 finishers
100 Miles | 100 KM | 50 Miles | 50 KM
Blackfoot Ultra
Edmonton, AB - 124 finishers
100 KM | 50 Miles | 50 KM
Lake to Ocean 100K
Port Mayaka, FL - 19 finishers
100 KM
Backyard Ultra of Northern Utah
Mantua, UT - 73 finishers
Backyard
South Ridge Trail Challenge
Allison Park, PA - 18 finishers
50 KM
View All Results