Isle du Bois Trail Run
December 5th 2026
Pilot Point, TX
50 KM
Join us for the Isle Du Bois Trail Run located on the east side of Lake Ray Roberts, approximately one hour north of Dallas and Fort Worth. Isle Du Bois Trail Run was first put on by Endurance Buzz and then picked up by the Denton Area Running Club. We are excited to continue this North Texas tradition. The trails are a mix of well-groomed single track with some technical sections with roots and rocks and less than 1,000 feet of gain for each full loop.
Upcoming Races
Dec 5 2026
50 KM
Join us for the Isle Du Bois Trail Run located on the east side of Lake Ray Roberts, approximately one hour north of Dallas and Fort Worth. Isle Du Bois Trail Run was first put on by Endurance Buzz and then picked up by the Denton Area Running Club. We are excited to continue this North Texas tradition. The trails are a mix of well-groomed single track with some technical sections with roots and rocks and less than 1,000 feet of gain for each full loop.
600
600
ft.
Multiple Loop
8 Aid
Stations
9:30 Cutoff
2
Elevation Rating
Rolling, ~2500 feet in 50 miles
3
Surface Rating
Some rocks, root, and/or ruts
Additional Distances
This event also has the following sub ultra distances
20 Miles
4 Miles
10 Miles
Results
50 KM
| Date | Finishers | Top Result (F) | Top Result (M) |
|---|---|---|---|
| 12/06/25 | 33 | 7:10:38 | 4:56:28 |
| 12/07/24 | 37 | 5:28:46 | 5:05:24 |
| 12/02/23 | 42 | 6:36:38 | 5:18:44 |
| 12/03/22 | 19 | 7:21:01 | 5:22:17 |
| 12/08/12 | 58 | 5:29:10 | 4:37:01 |
| 12/10/11 | 36 | 5:55:57 | 5:05:19 |
55 KM
| Date | Finishers | Top Result (F) | Top Result (M) |
|---|---|---|---|
| 12/07/19 | 14 | 7:55:03 | 5:42:12 |
| 12/01/18 | 23 | 6:55:03 | 5:34:32 |
| 12/02/17 | 19 | 6:28:50 | 6:08:37 |
| 12/05/15 | 48 | 6:41:43 | 4:27:45 |
| 12/06/14 | 46 | 4:38:56 | 5:01:22 |
52 KM
| Date | Finishers | Top Result (F) | Top Result (M) |
|---|---|---|---|
| 12/03/16 | 44 | 6:03:22 | 4:59:22 |