- Weather
- 54°Ftypical start
- Field size
- ~2,000 runners
- Course
- Rolling
- Elevation
- 400 ft gain · 0 ft net
Event: 2026 - Marathon
PR7.2Weather8.7Experience6.9
All marathons
Early December · Southwest · Loop
Rock 'n' Roll San Antonio
San Antonio, TX
Alamo and River Walk corridor
Opens the race organizer's website
- Typical start temp
- 54°F(estimated)
- Field size
- ~2,000 runners(estimated)
- Course
- Rolling
- Elevation
- 400 ft gain(estimated)
Why runners choose this race
A loop course around San Antonio, TX, with steady rollers that reward even pacing.
Good fit if
- Not enough verified data yet.
Think twice if
- No notable warnings in the data.
Course and logistics
- Course type
- Loop
- Surface
- Road
- Total gain
- 400 ft(estimated)
- Field size
- ~2,000 runners(estimated)
- Crowd support
- Pockets of spectators
- Entry
- Data coming soon
- Start / finish
- Start and finish in the same area
Race details
- Typical timing
- Early December
- Region
- Southwest
- Editorial tier
- Featured
- Data last reviewed
- 2026-08-26
Alamo and River Walk corridor
Good to know
- Loop course
- Destination race
Race-day weather
Modelled from location, month and coastal proximity — not verified race history.
ExcellentGoodWarmHeat risk
Typical start sits at 54°F — good conditions.
Similar races
- Weather
- 52°Ftypical start
- Field size
- ~2,500 runners
- Course
- Rolling
- Elevation
- 500 ft gain
"Run to Remember" memorial tribute
PR7.3Weather8.9Experience7.7
- Weather
- 48°Ftypical start
- Field size
- ~1,500 runners
- Course
- Rolling
- Elevation
- 700 ft gain
"Center of the Universe" detour option
PR7.3Weather9.0Experience7.4