Grindstone Running Festival by UTMB
100K

100K

Saturday, September 19, 2026 at 6:00 AM · Natural Chimneys Park, VA

Route
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Segments

Start

Sat 06:00
Sat 06:00
Distance 0.0 km
Altitude 409 m
D+ 0 m
D- 0 m
9.2 km 187 m 61 m
17.82 km/h (3:22/km) 8.63 km/h (6:57/km)

Lick Run 1

Sat 06:31
Sat 07:04
Distance 9.2 km
Altitude 535 m
D+ 187 m
D- 61 m
9.4 km 228 m 211 m
15.22 km/h (3:57/km) 7.41 km/h (8:06/km)

Wolf Ridge

Sat 07:08
Sat 08:20
Sat 09:00
Distance 18.6 km
Altitude 553 m
D+ 415 m
D- 272 m
15.5 km 667 m 619 m
11.48 km/h (5:14/km) 5.31 km/h (11:18/km)

Sand Spring

Sat 08:29
Sat 11:15
Sat 11:45
Distance 34.1 km
Altitude 601 m
D+ 1083 m
D- 891 m
6.9 km 0 m 120 m
15.82 km/h (3:48/km) 7.61 km/h (7:53/km)

North River Gap 1

Sat 08:55
Sat 12:09
Sat 13:00
Distance 40.9 km
Altitude 485 m
D+ 1106 m
D- 1034 m
9.2 km 439 m 130 m
10.81 km/h (5:33/km) 5.52 km/h (10:52/km)

Lookout Mountain

Sat 09:46
Sat 13:49
Distance 50.1 km
Altitude 794 m
D+ 1549 m
D- 1164 m
11.5 km 311 m 398 m
11.32 km/h (5:18/km) 5.90 km/h (10:10/km)

Magic Moss

Sat 10:47
Sat 15:46
Sat 16:30
Distance 61.6 km
Altitude 707 m
D+ 1864 m
D- 1566 m
8.1 km 83 m 72 m
13.93 km/h (4:18/km) 6.59 km/h (9:06/km)

Camp Todd

Sat 11:22
Sat 17:00
Sat 18:00
Distance 69.8 km
Altitude 718 m
D+ 1947 m
D- 1638 m
15.7 km 763 m 990 m
8.62 km/h (6:58/km) 4.23 km/h (14:11/km)

North River Gap 2

Sat 13:11
Sat 20:42
Sat 21:00
Distance 85.4 km
Altitude 491 m
D+ 2710 m
D- 2628 m
12.4 km 271 m 227 m
10.62 km/h (5:39/km) 5.67 km/h (10:35/km)

Lick Run 2

Sat 14:21
Sat 22:53
Distance 97.8 km
Altitude 535 m
D+ 2991 m
D- 2865 m
7.1 km 21 m 147 m
11.25 km/h (5:20/km) 6.58 km/h (9:07/km)

Finish

Sat 14:59
Sat 23:58
Sat 00:00
Distance 104.9 km
Altitude 409 m
D+ 3012 m
D- 3012 m

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