Trail
Half Marathon
21.1 km
Start: Sep 13, 04:00 AM
Ned Ned Run
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Trail in United States, Nederland
Distances
Trail
10K
10 km
Start: Sep 15, 05:00 AM
Trail
5K Road Run
5 km
Start: Sep 15, 05:30 AM
About
A 44‑year trail running tradition in Nederland, Colorado, featuring a Half Marathon on dirt roads and single‑track trails plus 10K and 5K road runs through Old Town Nederland.
Catering & aid stations
On-course aid stations with water, sports drink, and light food (e.g., fruit, gels); please carry your own bottle and consider additional hydration needs at altitude.
Pacers
Pacemaker groups (“Pacerflaggen”) will lead the Half Marathon at target times aligned with start waves shown on the “Renntag für Laufende” schedule. Pacers are required to maintain announced times and will be positioned at key splits; follow pacers only if matching your target pace.
Results
View official resultsTypical weather in Nederland
Monthly averages based on historical data (2000–present).
Jan61°46°
↑ 07:13
↓ 17:39
Feb64°50°
↑ 06:57
↓ 18:05
Mar70°56°
↑ 07:26
↓ 19:25
Apr76°63°
↑ 06:49
↓ 19:44
May82°70°
↑ 06:23
↓ 20:03
Jun87°76°
↑ 06:16
↓ 20:19
Jul89°77°
↑ 06:26
↓ 20:19
Aug89°77°
↑ 06:45
↓ 19:58
Sep86°73°
↑ 07:02
↓ 19:22
Oct79°65°
↑ 07:19
↓ 18:46
Nov70°56°
↑ 06:42
↓ 17:21
Dec63°49°
↑ 07:05
↓ 17:19
Route maps
What's included in entry
- Bib pickup at TEENS, Inc. and Runner’s Roost Boulder
- Race timing chips included
- Finisher medal
- Event T-shirt
- On-course aid stations (water, sports drink, light food)
FAQ
Q: Where and when can I pick up my bib?
We offer early packet pickup at Runner’s Roost Boulder on Wednesday Sept. 10 from 3-7pm. Packets will also be available for pick-up the night before (Fri) at TEENS, Inc. from 4-7 pm. Packets will also be handed out during pre-race check-in at TEENS, Inc. between 7:15 am – 7:45 am. For the 10K / Half – and between 8:00 am – 8:45 am on September 14th.
Q: Can I register on race day?
Yes, you can register at TEENS, Inc. between 7:15 am – 7:45 am on September 13th. Cash or check (to TEENS, Inc.) only. You’ll need to sign a waiver so make sure to give yourself time.
Q: Where can we park?
Parking is available at various places around town. Please see the map provided by the Town of Nederland Suggested Parking Locations: GOOGLE MAP (blue drop pins)
Q: Do you accept money donations on race day?
Yes, The Ned*Ned warmly accepts your donations for TEENS, Inc. at any time of the year, including on race day.
Q: Is this a green event?
We encourage runners to carry their own bottle for aid station fill-ups and post race hydration. We also encourage car pooling as parking may be limited. If you are coming from Boulder, please also consider using RTD for transportation.
Schedule of Events
7:15 am – 7:45 am: Bib pick up and race day registration for Half Marathon8:00 am – 9:00 am: Bib pick up and race day registration for 5k /10K 8:00am – HM start 9:00am – 10k Start 9:30am – 5k Start 11am(ish) – Awards
Last updated: Jun 6, 2026, 12:15:17 AM
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