Grindstone Running Festival by UTMB
100M

100M

Friday, September 18, 2026 at 6:00 PM · Natural Chimneys Park

167.8 KM
Distance
5,700 M D+
Elevation Gain
5,700 M D-
Elevation Loss
Route
Profile
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  • Longest and steepest descents
  • Effort split by thirds and hardest km
  • Longest stretch without aid and spacing stats
  • Runnable sections and terrain mix
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Segments

Start

Fri 18:00
Fri 18:00
Distance 0.0 km
Altitude 408 m
D+ 0 m
D- 0 m
9.2 km 188 m 61 m
14.87 km/h (4:02/km) 7.86 km/h (7:38/km)

Lick Run 1

Fri 18:37
Fri 19:10
Distance 9.2 km
Altitude 535 m
D+ 188 m
D- 61 m
9.4 km 228 m 211 m
13.41 km/h (4:28/km) 7.04 km/h (8:31/km)

Wolf Ridge

Fri 19:19
Fri 20:30
Fri 21:30
Distance 18.6 km
Altitude 553 m
D+ 416 m
D- 272 m
14.2 km 842 m 91 m
9.57 km/h (6:16/km) 5.26 km/h (11:24/km)

Reddish Knob

Fri 20:48
Fri 23:12
Sat 00:30
Distance 32.8 km
Altitude 1,295 m
D+ 1259 m
D- 363 m
6.4 km 102 m 189 m
11.60 km/h (5:10/km) 5.89 km/h (10:11/km)

Little Bald Knob

Fri 21:21
Sat 00:17
Distance 39.1 km
Altitude 1,208 m
D+ 1361 m
D- 561 m
13.8 km 291 m 1008 m
10.19 km/h (5:53/km) 5.06 km/h (11:51/km)

North River Gap 1

Fri 22:42
Sat 03:00
Sat 04:00
Distance 52.9 km
Altitude 491 m
D+ 1652 m
D- 1569 m
9.1 km 434 m 131 m
8.69 km/h (6:54/km) 4.93 km/h (12:10/km)

Lookout Mountain

Fri 23:45
Sat 04:51
Distance 62.0 km
Altitude 794 m
D+ 2087 m
D- 1701 m
12.1 km 280 m 466 m
8.67 km/h (6:55/km) 5.13 km/h (11:42/km)

Dowell’s Draft 1

Sat 01:09
Sat 07:13
Sat 09:00
Distance 74.2 km
Altitude 612 m
D+ 2371 m
D- 2171 m
10.9 km 595 m 414 m
7.13 km/h (8:25/km) 3.75 km/h (16:00/km)

Dry Branch Gap 1

Sat 02:41
Sat 10:08
Sat 11:00
Distance 85.1 km
Altitude 793 m
D+ 2966 m
D- 2581 m
10.9 km 601 m 669 m
6.60 km/h (9:05/km) 3.46 km/h (17:20/km)

Cold Springs

Sat 04:20
Sat 13:17
Distance 96.0 km
Altitude 725 m
D+ 3573 m
D- 3256 m
8.9 km 228 m 167 m
9.74 km/h (6:10/km) 4.87 km/h (12:19/km)

Dry Branch Gap 2

Sat 05:15
Sat 15:07
Sat 15:30
Distance 104.9 km
Altitude 786 m
D+ 3801 m
D- 3423 m
10.9 km 394 m 589 m
7.80 km/h (7:42/km) 3.90 km/h (15:23/km)

Dowell’s Draft 2

Sat 06:39
Sat 17:55
Sat 18:00
Distance 115.8 km
Altitude 609 m
D+ 4195 m
D- 4012 m
8.6 km 320 m 223 m
8.16 km/h (7:21/km) 4.08 km/h (14:42/km)

Magic Moss

Sat 07:42
Sat 20:01
Sat 20:00
Distance 124.4 km
Altitude 706 m
D+ 4533 m
D- 4235 m
8.1 km 82 m 71 m
10.32 km/h (5:49/km) 5.16 km/h (11:38/km)

Camp Todd

Sat 08:29
Sat 21:35
Sat 21:30
Distance 132.5 km
Altitude 717 m
D+ 4615 m
D- 4306 m
15.8 km 764 m 992 m
6.70 km/h (8:57/km) 3.55 km/h (16:54/km)

North River Gap 2

Sat 10:50
Sun 02:01
Sun 01:45
Distance 148.2 km
Altitude 489 m
D+ 5379 m
D- 5298 m
12.3 km 273 m 227 m
8.61 km/h (6:58/km) 4.52 km/h (13:16/km)

Lick Run 2

Sat 12:16
Sun 04:45
Distance 160.6 km
Altitude 535 m
D+ 5660 m
D- 5533 m
7.2 km 21 m 147 m
10.25 km/h (5:51/km) 6.06 km/h (9:54/km)

Finish

Sat 12:58
Sun 05:56
Sun 06:00
Distance 167.8 km
Altitude 409 m
D+ 5681 m
D- 5680 m

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100M