| ID | ROUTE | LOCALITY | COUNTRY | CREATED | USED FOR | DISTANCE (km) | ASCENT (m) | TERRAIN | VIEWS |
|---|---|---|---|---|---|---|---|---|---|
| 1074667 | Epic 50K Over Poor Mountain And 12 O'clock Knob | Salem | US | 5 years ago | Running | 49.930 | 1369 | Mixed | 22 |
| 289690 | Harriman-30-miles-loop | Tomkins Cove | US | 9 years ago | Running | 49.930 | 1509 | Off-Road | 53 |
| 2582413 | Sanitas To Resolute | Boulder | US | 1 year ago | Running | 49.928 | 2141 | Mixed | 14 |
| 3021685 | 2025 Thunder Mountain Race 50K | US | 5 months ago | Running | 49.926 | 2364 | Mixed | 23 | |
| 1448836 | Terrapin Mountain 50k | Big Island | US | 4 years ago | Running | 49.925 | 2239 | Off-Road | 176 |
| 1246252 | To Lake Wapello #1 | Ottumwa | US | 5 years ago | Running | 49.924 | 461 | Mixed | 30 |
| 1114319 | 50k Option 2 | Ocean City | US | 5 years ago | Running | 49.921 | 78 | Road | 13 |
| 1021855 | TCTRUNS Sierra Azul 50K | Los Gatos | US | 5 years ago | Running | 49.920 | 2628 | Off-Road | 58 |
| 1223902 | Afton 50KM Race Course | Hastings | US | 5 years ago | Running | 49.913 | 1217 | Off-Road | 106 |
| 2990492 | FC25 50k | US | 6 months ago | Running | 49.911 | 971 | Mixed | 1002 | |
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| 1770249 | Kailua 50k Training Run | Kailua | US | 3 years ago | Running | 49.909 | 634 | Mixed | 22 |
| 2346823 | 2024 50K RED CLIFFS RACE - 8/5 | US | 2 years ago | Running | 49.904 | 1726 | Mixed | 30 | |
| 2337546 | Grandfather Mountain Park 50K Fastpack | US | 2 years ago | Running | 49.903 | 2335 | Off-Road | 19 | |
| 1395286 | START AT PARADISE | Paradise Inn | US | 4 years ago | Running | 49.903 | 1136 | Mixed | 32 |
| 620019 | Peekamoose Woodland Valley Loop | Peekamoose | US | 7 years ago | Running | 49.898 | 3088 | Off-Road | 32 |
| 1711574 | TCTRUNS Mt Umunhum Trail Conquest 50K | San Jose | US | 4 years ago | Running | 49.897 | 1938 | Off-Road | 3108 |
| 1780353 | Mt. Umum. 50K | San Jose | US | 3 years ago | Running | 49.896 | 1944 | Mixed | 10 |
| 1417433 | Steep Rock/HV/Macricostas 50K | Washington | US | 4 years ago | Running | 49.895 | 1103 | Off-Road | 5 |
| 2863258 | TCTRUNS New 2025 Folsom South Side 50K | El Dorado Hills | US | 10 months ago | Running | 49.894 | 1259 | Mixed | 176 |
| 2009511 | Acadia Ultra | Bar Harbor | US | 3 years ago | Running | 49.890 | 713 | Off-Road | 19 |
| 2423055 | Trail Of Terror 50k/Relay | Lone Mountain | US | 2 years ago | Running | 49.882 | 983 | Mixed | 452 |
| 368952 | HST French Creek East 50K | Elverson | US | 8 years ago | Running | 49.879 | 1246 | Off-Road | 32 |
| 580295 | Killington 50K | Killington Village | US | 7 years ago | Running | 49.876 | 2949 | Mixed | 96 |
| 2178535 | MST-50K-BlueJayPoint | US | 2 years ago | Running | 49.874 | 855 | Off-Road | 16 | |
| 1084512 | Sweetwater 50k Makeup-Legacy Park Via Kennesaw Mtn | Kennesaw | US | 5 years ago | Running | 49.872 | 757 | Mixed | 62 |
| 2632661 | Gov Dodge 50K 2025 | Town of Dodgeville | US | 1 year ago | Running | 49.870 | 1353 | Off-Road | 1258 |
| 2926757 | Trail 50K Camp Alt 2 | Lyndon Township | US | 8 months ago | Running | 49.863 | 818 | Off-Road | 34 |
| 1699212 | HR2PM-50K | Westfield | US | 4 years ago | Running | 49.862 | 1118 | Mixed | 32 |
| 571253 | [alternate] RFA 50K | Portola Valley | US | 7 years ago | Running | 49.861 | 1805 | Off-Road | 20 |
| 3063865 | Wyeast Trailfest 50K | US | 3 months ago | Running | 49.848 | 2261 | Off-Road | 13 | |