The Dirty Feet Heartbreak 100km, 50km and Relay returns to Thompson-Nicola in British Columbia on August 15th. This ultra trail running event will take place at Stake Lake, known for its challenging terrain and scenic beauty. On race morning, the air is crisp with a coolness that hints at the early summer heat to come. The area around Stake Lake offers a serene setting, surrounded by dense forest and rolling hills. Participants can expect to start their journey under clear skies, but be prepared for unexpected changes as conditions shift throughout the day. The event has been running since 2016, supported by local communities and participants who have grown to appreciate its significance in the region. In recent years, it has attracted over a hundred runners each year, with both solo competitors and relay teams eager to push their limits on this demanding course. The race supports scholarships for young athletes and raises funds for community development projects. The 100km Relay Team Member and Solo races will cover eight legs of varying distances: Legs 1,3,4 - 10km each; Leg 2 - 15km; twice around all 8 legs for the full distance. For those seeking a shorter challenge, there are options with 50km Solo and Relay Team Member races as well. The 25km Night Race will wind through the same challenging terrain after dark. Course venue is Stake Lake in Thompson-Nicola, British Columbia; it features diverse surfaces ranging from rocky trails to forest paths, offering a mix of elevation gains and declines. Start times for the event are set at 7:00am sharp for the 100km & Relay Team Members and Solo runners, followed by the 50km/Relay teams and solo participants at 9:00am. The night race will begin its unique journey at the same time. Aid stations will be strategically placed to provide support throughout. Weather on August 15th typically ranges from a minimum of 14.5C to a maximum of 29.3C, with an average temperature around 21.9C and humidity levels at 63%. The wind is usually light, averaging about 3.5 km/h, but participants should be prepared for variable conditions.
100 km Relay Team Member 100km • Start: 07:00:00 • Fee: $139.14
100 km Solo 100km • Start: 07:00:00 • Fee: $199.91
25km Night Race 25km • Start: 07:00:00 • Fee: $139.14
25km Solo 25km • Start: 07:00:00 • Fee: $139.14
50 km Solo 50km • Start: 07:00:00 • Fee: $139.14
50km Relay Team Member 50km • Start: 07:00:00 • Fee: $139.14
Races Offered
100 km Relay Team Member
Aug 15, 2026
straighten
Distance —
100km
terrain
Type —
Running
timer
07:00
sell
$139.14
100 km Solo
Aug 15, 2026
straighten
Distance —
100km
terrain
Type —
Running
timer
07:00
sell
$199.91
25km Night Race
Aug 15, 2026
straighten
Distance —
25km
terrain
Type —
Running
timer
07:00
sell
$139.14
25km Solo
Aug 15, 2026
straighten
Distance —
25km
terrain
Type —
Running
timer
07:00
sell
$139.14
50 km Solo
Aug 15, 2026
straighten
Distance —
50km
terrain
Type —
Running
timer
07:00
sell
$139.14
50km Relay Team Member
Aug 15, 2026
straighten
Distance —
50km
terrain
Type —
Running
timer
07:00
sell
$139.14
Weather History
These values represent the 3-year monthly averages for August in Thompson-Nicola.
thermostatTemperature
14.3° / 28.3°
wb_sunnyFeels like
14.7° / 27.8°
light_mode
Avg sunshine hours
11h 46m
water_drop
Avg rainfall
1.2 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
3.5 km/h (Light breeze)
opacity
Sweat loss rate
High
terrain
Course conditions
Hard and dry surface
sunny
Max UV Index
Moderate (4.9)
humidity_mid
Humidity
63.2%
wb_twilight
Sunrise
05:48
nightlight
Sunset
20:18
About Thompson-Nicola
Learn more about the host city, Thompson-Nicola.
Thompson-Nicola is a region in the central interior of British Columbia, Canada. It is a sparsely populated area that follows the Thompson River to its headwaters near Wells Gray Park in the north and includes the Nicola River valley to the south.
