Marathons in North America in August 2027
3 marathons, 2 half marathons and 5 ultras in North America in August 2027.
The flattest is the Santa Rosa Half Marathon (60 m of climbing); the hilliest is the Leadville Trail 100 Run (4,070 m).
For cool racing conditions, the Leadville Trail 100 Run usually starts around 5°C.
UTMB
Borealys Mont-Tremblant Odyssee 100K
Mont-Tremblant, Canada
14 Aug 2027est.In 10 months
Gain
3,600 m
Start temp
15°C
Entry
$250
Top 10, men 40–49: No data
81 kmTrailOpen entryhilly
Squamish 50 Mile
Squamish, Canada
14 Aug 2027In 10 months
Gain
3,500 m
Start temp
16°C
Entry
$210
Top 10, men 40–49: No data
79.5 kmTrailOpen entryhilly
UTMB
Borealys Mont-Tremblant Tremblante 50K
Mont-Tremblant, Canada
15 Aug 2027est.In 10 months
Gain
2,400 m
Start temp
16°C
Entry
$170
Top 10, men 40–49: No data
46.4 kmTrailOpen entryhilly
Edmonton Marathon
Edmonton, Canada
15 Aug 2027est.In 10 months
Gain
150 m
Start temp
13°C
Entry
$130
Top 10, men 40–49: No data
MarathonOpen entry
Edmonton Half Marathon
Edmonton, Canada
15 Aug 2027est.In 10 months
Gain
80 m
Start temp
13°C
Entry
$115
Top 10, men 40–49: No data
Half marathonOpen entry
Squamish 50K
Squamish, Canada
15 Aug 2027In 10 months
Gain
2,500 m
Start temp
15°C
Entry
$195
Top 10, men 40–49: No data
52 kmTrailOpen entryhilly
Leadville Trail 100 Run
Leadville, United States
21 Aug 2027In 10 months
Gain
4,070 m
Start temp
5°C
Entry
$495
Top 10, men 40–49: No data
160.4 kmTrailLottery + qualifyingaltitude
Santa Rosa Marathon
Santa Rosa, United States
22 Aug 2027In 10 months
Gain
126 m
Start temp
15°C
Entry
$115
Top 10, men 40–49: No data
MarathonOpen entryfastscenic
Santa Rosa Half Marathon
Santa Rosa, United States
22 Aug 2027In 10 months
Gain
60 m
Start temp
14°C
Entry
$95
Top 10, men 40–49: No data
Half marathonOpen entryfast
Mexico City Marathon
Mexico City, Mexico
29 Aug 2027est.In 10 months
Gain
130 m
Start temp
13°C
Entry
$45
Top 10, men 40–49: No data
MarathonOpen entryaltitudebig city