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2026 McDonald Forest 50K Full Course Description

May 2, 2026

Rev. 1.0 (4/23/2026)

Mile Mi2Nxt Elevation Directions  
0.00 0.13 544 START Forestry Cabin, STRAIGHT on Road 500. 6.24 to Aid
0.13 0.19 591 Jct Roads 500 & 540. Stay RIGHT on Road 540.  
0.32 0.05 596 Turn LEFT on Section 36 Loop Trail Connector.  
0.37 0.84 596 Trail Junction. Turn RIGHT on Section 36 Loop Trail.  
1.21 0.23 946 Trail Junction. Stay RIGHT on Powderhouse Trail.  
1.44 0.24 1107 Cross Road 560. Continue STRAIGHT on Powderhouse Trail.  
1.68 0.04 1098 Trail Junction. Stay RIGHT on Powderhouse Trail.  
1.72 0.19 1076 Trail Junction. Turn RIGHT on Lower Dave's Trail.  
1.91 0.01 998 Trail Junction. Continue STRAIGHT on Lower Dave's Trail.  
1.92 0.57 996 Cross Road 582. Continue STRAIGHT on Lower Dave's Trail.  
2.49 0.76 909 Cross Road 580. Continue STRAIGHT on Dave's Trail.  
3.25 0.01 1204 Cross Road 500. Continue STRAIGHT on Upper Dave's Trail.  
3.26 0.40 1201 Trail Junction. Continue STRAIGHT on Upper Dave's Trail.  
3.66 0.74 1276 Cross Road 590. Continue STRAIGHT on Upper Dave's Trail.  
4.40 0.01 1388 Turn RIGHT on Road 500 Link.  
4.41 0.04 1374 Turn LEFT on Road 500.  
4.45 0.01 1367 Jct Roads 500 & 5010. Turn LEFT on Road 5010.  
4.46 0.35 1368 Turn RIGHT on Upper Vineyard Mountain Trail.  
4.81 0.53 1437 Trail Junction. Turn RIGHT on Vineyard Mountain Trail.  
5.34 0.36 1222 Trail Junction. Turn LEFT on Vineyard Mountain Trail.  
5.70 0.16 1060 Continue STRAIGHT on Vineyard Mountain Spur Road.  
5.86 0.34 1038 Turn LEFT on Vineyard Mountain Trail.  
6.20 0.02 962 Turn LEFT on Road 500.  
6.22 0.02 958 Cross Sulphur Springs Road. Continue STRAIGHT on Road 600.  
6.24 0.01 964 Saddle Aid Station #1. Continue STRAIGHT on Road 600. 3.04 to Aid
6.25 0.07 968 Jct Roads 600 & 610. Stay RIGHT on Road 600.  
6.32 0.45 988 Turn RIGHT on Ridge Trail.  
6.77 0.16 1290 Trail Junction. Continue STRAIGHT on Ridge Trail.  
6.93 0.35 1206 Cross Road 620. Continue STRAIGHT on Bombs Away Plus Trail.  
7.28 0.02 1285 Turn RIGHT on Road 640.  
7.30 0.03 1287 Turn LEFT on Old Bombs Away Trail.  
7.33 0.18 1335 Trail Junction. Stay RIGHT on Old Bombs Away Trail (skip all switchbacks).  
7.51 0.14 1492 Trail Junction. Turn LEFT on New Bombs Away Trail.  
7.65 0.39 1475 Trail Junction. Continue STRAIGHT on High Horse Trail.  
8.04 0.11 1493 Cross Road 622. Continue STRAIGHT on Hansel & Gretel Trail.  
8.15 0.03 1513 Cross Road 660. Continue STRAIGHT on Hansel & Gretel Trail.  
8.18 0.25 1537 Trail Junction. Turn LEFT on Beautiful/Hydra Trail.  
8.43 0.06 1472 Trail Junction. Stay RIGHT on Beautiful/Hydra Trail.  
8.49 0.05 1450 Trail Junction. Stay RIGHT on Beautiful/Hydra Trail.  
8.54 0.36 1436 Cross Road 660. Continue STRAIGHT on Beautiful/Hydra Trail.  
8.90 0.03 1355 Turn LEFT on Road 660.  
8.93 0.14 1343 Jct Roads 600, 650 & 660. Continue STRAIGHT on Road 650.  
9.07 0.01 1370 Turn LEFT on Dan's Trail Connector.  
9.08 0.20 1372 Trail Junction. Turn RIGHT on Into the Wardrobe Trail.  
9.28 0.14 1478 Dimple Aid Station #2. Turn LEFT on Upper Dan's Trail. 4.78 to Aid
9.42 0.05 1393 Trail Junction. Turn LEFT on Dan's Trail Connector.  
9.47 0.01 1372 Trail Junction. Stay RIGHT on Dan's Trail Connector.  
9.48 0.14 1370 Turn RIGHT on Road 650.  
9.62 1.43 1343 Jct Roads 600, 650 & 660. Turn LEFT on Road 600.  
11.05 0.30 885 Jct Roads 600 & 680. Turn RIGHT on Road 680.  
11.35 0.26 1057 Jct Roads 680 & 681. Turn LEFT on Road 681.  
11.61 0.02 1053 Turn RIGHT on Extendo Trail Connector.  
11.63 0.14 1050 Trail Junction. Turn LEFT on Extendo Trail.  
11.77 0.20 1058 Trail Junction. Continue STRAIGHT on Extendo Trail.  
11.97 0.67 1006 Trail Junction. Stay RIGHT on Extendo Trail.  
12.64 0.02 541 Turn LEFT on Road 6020.  
12.66 0.31 531 Jct Roads 6020 & 6021. Turn RIGHT on Road 6021.  
12.97 0.16 581 Jct Roads 6021 & 770. Continue STRAIGHT on Road 6021.  
13.13 0.37 573 Continue STRAIGHT on Road 6021.  
13.50 0.56 757 Jct Roads 6021 & 6021.3. Continue STRAIGHT on Road 6021.  
14.06 0.22 841 Narnia Aid Station #3. Continue STRAIGHT on Narnia Trail. 5.77 to Aid
14.28 0.05 771 Trail Junction. Stay LEFT on Narnia Forest Trail.  
14.33 0.01 717 Trail Junction. Stay LEFT on Narnia Forest Trail.  
14.34 0.03 708 Trail Junction. Stay RIGHT on Narnia Forest Trail.  
14.37 0.39 699 Cross Road. Continue STRAIGHT on As You Wish Trail.  
14.76 0.92 879 Cross Road. Continue STRAIGHT on As You Wish Trail.  
15.68 0.46 1173 Continue STRAIGHT on Word to Your Mother Trail.  
16.14 0.38 1500 Trail Junction. Stay RIGHT on Word to Your Mother Trail.  
16.52 0.13 1653 Cross Road 770. Continue STRAIGHT on Southridget Connector.  
16.65 0.15 1694 Cross Road 770. Continue STRAIGHT on New Southridget Trail.  
16.80 0.07 1841 Trail Junction. Continue STRAIGHT on New Southridget Trail.  
16.87 0.03 1898 Trail Junction. Continue STRAIGHT on New Southridget Trail.  
16.90 0.13 1906 Turn RIGHT on Southridget Trail.  
17.03 0.02 1951 Turn LEFT on Clearcut Logging Road.  
17.05 0.45 1947 Turn RIGHT on Clearcut Logging Road.  
17.50 0.27 1624 Turn RIGHT on Skillings Road.  
17.77 0.17 1868 Stay RIGHT on Skillings Road.  
17.94 0.09 2005 Stay LEFT on Skillings Road.  
18.03 0.03 2082 Turn RIGHT on Southridget Top Trail Connector.  
18.06 0.12 2106 Trail Junction. Turn RIGHT on Southridget Top Trail.  
18.18 0.02 1975 Trail Junction. Stay LEFT on Southridget Top Trail.  
18.20 0.12 1956 Trail Junction. Turn LEFT on Lupine Letdown Trail.  
18.32 0.02 1948 Trail Junction. Continue STRAIGHT on Lupine Letdown Trail.  
18.34 0.06 1945 Trail Junction. Continue STRAIGHT on Lupine Letdown Trail.  
18.40 0.18 1922 Trail Junction. Continue STRAIGHT on Lupine Letdown Trail.  
18.58 0.52 1874 Trail Junction. Continue STRAIGHT on Login Trail.  
19.10 0.02 1740 Turn LEFT on Road 700.  
19.12 0.17 1749 Jct Roads 700 & 7040. Stay LEFT on Road 700.  
19.29 0.09 1898 Jct Roads 700 & Gravel Peak Road. Stay LEFT on Road 700.  
19.38 0.14 1967 Jct Roads 700, 790 & Gravel Peak Road. Turn LEFT on Road 790.  
19.52 0.28 2053 Continue STRAIGHT on Road 790.  
19.80 0.03 2133 Turn RIGHT on McCulloch Peak Connector Trail.  
19.83 0.04 2161 McCulloch Peak Aid Station #4. Continue STRAIGHT on Road 790. 6.63 to Aid
19.87 0.02 2128 Turn RIGHT on Southridget Top Trail.  
19.89 0.19 2126 Trail Junction. Turn RIGHT on No Secret Trail.  
20.08 0.62 2032 Trail Junction. Stay LEFT on No Secret Trail.  
20.70 0.25 1798 Trail Junction. Stay RIGHT on Secret's Out Trail.  
20.95 0.49 1811 Cross Road 700. Continue STRAIGHT on Playtime Trail.  
21.44 0.37 1839 Trail Junction. Continue STRAIGHT on Playtime Trail.  
21.81 0.02 1700 Trail Junction. Continue STRAIGHT on Playtime Trail.  
21.83 0.49 1686 Trail Junction. Continue STRAIGHT on Playtime Trail.  
22.32 0.02 1446 Turn LEFT on Road 700.  
22.34 0.49 1439 Jct Roads 680 & 700. Stay RIGHT on Road 680.  
22.83 0.38 1290 Jct Roads 680 & 682. Stay RIGHT on Road 680.  
23.21 1.11 1088 Jct Roads 680 & 870. Turn LEFT on Road 870.  
24.32 0.07 746 Jct Roads 800 & 870. Turn RIGHT on Road 800.  
24.39 0.10 696 Jct Roads 800 & 850. Continue STRAIGHT on Road 800.  
24.49 0.24 640 Jct Roads 800 & 840. Continue STRAIGHT on Road 800.  
24.73 0.28 558 Jct Roads 800 & 830. Continue STRAIGHT on Road 800.  
25.01 0.39 629 Jct Roads 800 & 810. Turn RIGHT on Road 810.  
25.40 0.06 907 Jct Roads 810 & Beehive Spur Road. Continue STRAIGHT on Road 810.  
25.46 0.07 954 Jct Roads 810 & 811. Continue STRAIGHT on Road 810.  
25.53 0.26 973 Continue STRAIGHT on Alpha Trail.  
25.79 0.14 1199 Trail Junction. Turn LEFT on New Alpha Trail.  
25.93 0.45 1290 Trail Junction. Turn LEFT on Ridge Trail.  
26.38 0.08 988 Turn LEFT on Road 600.  
26.46 0.02 964 Saddle Aid Station #5. Continue STRAIGHT on Road 600. 5.30 to Finish
26.48 0.02 958 Cross Sulphur Springs Rd. Stay RIGHT on Road 500.  
26.50 0.34 962 Turn RIGHT on Vineyard Mountain Trail.  
26.84 0.16 1038 Turn RIGHT on Vineyard Mountain Spur Road.  
27.00 0.36 1060 Continue STRAIGHT on Vineyard Mountain Trail.  
27.36 0.53 1222 Trail Junction. Turn RIGHT on Vineyard Mountain Trail.  
27.89 0.35 1437 Trail Junction. Turn LEFT on Upper Vineyard Mountain Trail.  
28.24 0.01 1368 Turn LEFT on Road 5010.  
28.25 0.04 1367 Turn RIGHT on Road 500.  
28.29 0.01 1374 Turn RIGHT on Road 500 Link.  
28.30 0.74 1388 Turn LEFT on Upper Dave's Trail.  
29.04 0.40 1276 Cross Road 590. Continue STRAIGHT on Upper Dave's Trail.  
29.44 0.01 1201 Trail Junction. Continue STRAIGHT on Upper Dave's Trail.  
29.45 0.21 1204 Turn RIGHT on Road 500.  
29.66 0.20 1148 Jct Roads 500 & 570. Continue STRAIGHT on Road 500.  
29.86 0.29 1137 Jct Roads 500 & 550. Continue STRAIGHT on Road 500.  
30.15 0.20 1110 Turn RIGHT on Powderhouse Trail.  
30.35 0.45 1257 Turn RIGHT on Section 36 Loop Trail.  
30.80 0.35 994 Trail Junction. Continue STRAIGHT on Section 36 Loop Trail.  
31.15 0.13 791 Trail Junction. Continue STRAIGHT on Section 36 Loop Trail.  
31.28 0.38 747 Trail Junction. Continue STRAIGHT on Section 36 Loop Trail.  
31.66 0.10 591 Trail Junction. Continue STRAIGHT on Section 36 Loop Trail.  
31.76   545 FINISH Forestry Cabin  
Totals Aid Station Distances
Trail 21.37 miles Start to Saddle AS --- 6.24 mi
Road 10.39 miles Saddle to Dimple AS --- 3.04
Gain ~6500 feet Dimple to Narnia AS --- 4.78 mi
Narnia to McCulloch AS --- 5.77 mi
McCulloch to Saddle AS --- 6.63 mi
Saddle to Finish --- 5.30 mi
Cutoffs
Lewisburg Saddle #1 (6.24) ~7:45 AM earliest
Dimple (9.28) ~8:30 AM earliest
Narnia (14.06) ~9:45 AM earliest
McCulloch (19.83 - DROP BAG) ~10:45 AM earliest, 2:00 PM cutoff
Lewisburg Saddle #2 (26.46) ~11:30 AM earliest, 4:30 PM cutoff


50k Race Directors

Anne Miller and Mike Rosling, co-RDs
macforest50k@gmail.com
McDonald Forest 50K
4345 SW AGATE AVENUE, CORVALLIS, OR 97333