DateExpected
Mid September 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
14174 N Ranch Rd 783, Doss, TX 78618
Harper, Gillespie County
Countdown
September
The long one at Doss Gravel: 170 km of unmarked gravel with a modest 1,548 m of climbing. It's a big day on the bike, but the real work is distance and finding your own way.
Key facts
01Routes are unmarked, so GPS navigation is required
02Bring a loaded GPS route; don't count on signs or marshals
Create a free training plan for the Doss Gravel 170 km
7-day free trial, no card required
The course
The route
Harper
Distance170km
Total climb1,548m
StartElevation
0 kmDrag map to rotate167.7 km
Weather
Mid-September, Harper
32°CTypical high
21°CTypical low
10°CColdest in 20 years
32%Days with rain
Highs around 32°C and lows around 21°C, but it has dropped to 10°C. Rain on 32% of days.
NASA POWER data, 2006-2025, the week either side of race day
2025 results
Who finishes, and how
#RiderTimeAvg speed
01William Hegedusich2:03:4282.5 km/h
02Brett Conway2:08:5079.2 km/h
03Thomas Sherwood2:11:0377.9 km/h
144
Finishers
4:20:11
Median time
39.2 km/h
Median speed
Overall · 2025 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
OrganiserDoss Gravel (presented by Jack & Adam's Fredericksburg; listed under the Rattlesnake Gravel 2027 Ride with GPS event account)
Websitedossgravel.com
Instagram@dossgravel
Running since2025
Training
Training for the Doss Gravel 170 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Doss Gravel 170 km plan targets
Typical sessions
170 km with 1,548 m of climbing
Endurance and fatigue resistance over the full distance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long endurance rides building toward the full distance
Threshold and sweet-spot work for sustained power
Sustained climbing repeats on real gradients
Group rides for drafting and bunch-riding skills
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Doss Gravel 170 km plan.
7-day free trial, no card required.
Other races at Doss Gravel
More events in September in United States
Bighorn RoadExpected Early September 2027 · Gypsum→Booneville Backroads UltraExpected Early September 2027 · Iowa→Cherry Hill Farm UltraExpected Early September 2027 · Gorham→Down For Gravel / DFGExpected Early September 2027 · Newfield→Gray Duck GritExpected Early September 2027 · Cannon Falls→Shenandoah Mountain 100Expected Early September 2027 · Mount Solon→
