Maryann Koss
49 · Female · Tokyo · Japan ·
Age group 45-49
Elite in
11
Total races
88.4%
Best percentile
95.8%
Best AG percentile
49
Age
Performance trend
Stats this runner is willing to share
Demographics
- Income
- $114,713
- Education
- Graduate Degree
- Occupation
- Retail/Service
- Marital status
- DIVORCED
- Household size
- 4
- Home
- OWN
Training
- Years running
- 2.6
- Weekly mileage
- 67 km
- Days / week
- 6
Physiology
- Height
- 168 cm
- Weight
- 48.7 kg
- VO₂ max
- 31.0
- Resting HR
- 60 bpm
- Sleep
- 7.5 hr
Recent results
| Date | Race | Type | Time | Overall | AG | Percentile |
|---|---|---|---|---|---|---|
| Dec 20, 2026 | Canyons Endurance Runs 2026 | Marathon | 4:20:38 | 92nd | 6th | 47.4% |
| Sep 28, 2026 | Défi du Printemps Rouge et Or 2026 | 5K | 25:04 | 151st | 22nd | 40.9% |
| Apr 10, 2026 | Course Saint-Laurent 2026 | 10K | 53:17 | 66th | 10th | 55.5% |
| Mar 7, 2026 | North Perth Character Run 2026 | 5K | 25:21 | 61st | 10th | 57.4% |
| Sep 7, 2025 | Paris Harbor Challenge 2025 | 10K | 1:02:18 | 248th | 31st | 24.0% |
| Jul 21, 2025 | Aqua Warriors Halong Bay 2025 | Olympic Triathlon | 6:17:37 | 216th | 29th | 39.1% |
| May 21, 2025 | Black Canyon 50K 2025 | 50K Ultra | 4:56:18 | 22nd | 2nd | 88.4% |
| Sep 11, 2024 | Detroit Summer Invitational 2024 | Olympic Triathlon | 6:04:52 | 59th | 3rd | 37.6% |
| Apr 20, 2024 | Canyons Endurance Runs 2024 | Marathon | 3:26:20 | 42nd | 6th | 84.0% |
| Jun 18, 2023 | Nakkertok Trail Enduro 2023 | Half Marathon | 1:49:10 | 59th | 5th | 52.8% |
| Mar 17, 2023 | Les Classiques Capitale 2023 | Half Marathon | 2:23:38 | 241st | 29th | 8.4% |