📡 Hamfest Season 2026 — Ham radio flea markets, swap meets, and conventions are where the community comes together to buy/sell gear, attend technical forums, sit for license exams, and swap stories. Below is a curated list of events within approximately 200 miles of Longmont, CO for 2026. Always verify details with the host club before you make the drive.
📅 2026 At-a-Glance Calendar
| Date | Event | Location | ~Distance | Admission | VE Testing |
|---|---|---|---|---|---|
| Jan 17 | NCARC Hamfest | Loveland, CO | 20 mi | $7 | ✅ 9:30am |
| Feb 15 | RMHAM Winter Swapfest | Brighton, CO | 45 mi | $6 | ✅ 10:00am |
| Apr 4 | LARCfest 2026 ⭐ | Longmont, CO | Local! | $7 | ✅ 8:00am |
| Jul 25 | Megafest 2026 | Monument, CO | 75 mi | $5 | ✅ Yes |
| Aug 23 | RMHAM Summer Swapfest | Brighton, CO | 45 mi | $6 | ❓ TBD |
| Aug 28–30 | Wyoming HamCon (ARRL Division Convention) | Casper, WY | ~200 mi | TBD | ✅ Yes |
| Oct 4 | BARCfest 2026 | Longmont, CO | Local! | $5 | ❓ TBD |
⭐ = LARC-hosted event | Past | Upcoming
🗓️ Upcoming Events
Upcoming — 2026
Megafest 2026
📅 Saturday, July 25, 2026
75 miles
Upcoming
📍Lewis-Palmer High School
1776 Woodmoor Dr, Monument, CO 80132
1776 Woodmoor Dr, Monument, CO 80132
⏰8:00 AM – 1:00 PM (Vendors 6:00 AM)
💵$5 admission · Tables from $15
🎓VE License Exams available
🎰Grand Prize: Transceiver raffle · $1/ticket
📻Hourly door prizes
🏢Sponsor: Pikes Peak Radio Amateur Association (PPRAA)
RMHAM Summer Swapfest 2026
📅 Sunday, August 23, 2026
45 miles
Upcoming
📍Adams County Riverdale Regional Park & Fairgrounds
9755 Henderson Rd, Brighton, CO 80601
9755 Henderson Rd, Brighton, CO 80601
⏰9:00 AM – 1:00 PM
💵$6 admission · Tables: $13 advance / $20 at door
💳PayPal or major credit card accepted
📻Talk-in: RMHAM DMR System, Rocky Mountain Wide TG 700
🏢Sponsor: Rocky Mountain Ham Radio, Inc. (RMHAM)
Same venue as the Winter Swapfest — an easy 45-minute drive from Longmont via I-25 S and E-470.
Wyoming HamCon 2026
📅 Friday–Sunday, August 28–30, 2026
~200 miles
ARRL Division Convention
Upcoming
📍Best Western Hotel & Convention Center
123 W E Street, Casper, WY 82601
123 W E Street, Casper, WY 82601
⏰Multi-day event (Fri–Sun)
🏆Grand Prize: Icom IC-7300 MK2 transceiver
📻Talk-in: 146.940 MHz, 123 Hz CTCSS
🎓VE exams, forums, vendors, flea market
🏢Sponsor: Casper Amateur Radio Club (CARC)
ARRL Rocky Mountain Division Convention
ARRL Rocky Mountain Division Convention
📞Garth Crowe — 307-689-1340
BARCfest 2026
📅 Sunday, October 4, 2026
Right Here!
Upcoming
📍Boulder County Fairgrounds Exhibit Building
9595 Nelson Rd, Longmont, CO 80501
9595 Nelson Rd, Longmont, CO 80501
⏰9:00 AM – 1:00 PM
💵$5 adults · Under 18 FREE w/ paid adult
🛒Tables: $15 (before Oct 2) · $20 at door
💳PayPal, credit card, or personal check
🏢Sponsor: Boulder Amateur Radio Club (BARC, W0DK)
Same venue as LARCfest — Boulder County Fairgrounds, right here in Longmont!
📂 Earlier in 2026
Already Happened — 2026These events are over for this year, but bookmark them for 2027!
LARCfest 2026 ⭐ (Our Event!)
📅 Saturday, April 4, 2026
LARC Hosted
Past
📍Boulder County Fairgrounds Exhibit Center
9595 Nelson Rd, Longmont, CO 80501
9595 Nelson Rd, Longmont, CO 80501
⏰9:00 AM – 1:00 PM
💵$7 admission · Under 16 FREE
🎓Laurel VE Testing: 8:00–10:00 AM
📻GOTA (Get On The Air) station
🏢Sponsor: Longmont Amateur Radio Club (W0ENO)
RMHAM Winter Swapfest 2026
📅 Sunday, February 15, 2026
45 miles
Past
📍Adams County Riverdale Regional Park & Fairgrounds
9755 Henderson Rd, Brighton, CO 80601
9755 Henderson Rd, Brighton, CO 80601
⏰9:00 AM – 1:00 PM
💵$6 admission · Tables: $13 advance / $20 door
🎓ARRL Mile High VE Testing at 10:00 AM
📻Talk-in: RMHAM DMR, Rocky Mountain Wide TG 700
🏢Sponsor: Rocky Mountain Ham Radio, Inc. (RMHAM)
📞Wayne Heinen N0POH — 303-699-6335
NCARC Hamfest 2026
📅 Saturday, January 17, 2026
20 miles
Past
📍Larimer County Fairgrounds
700 S Railroad Ave, Loveland, CO 80537
700 S Railroad Ave, Loveland, CO 80537
⏰8:00 AM – 1:00 PM (Vendors 7:00 AM)
💵$7 admission · Space for 100 vendors
🎓Free VE license testing at 9:30 AM
🎰Raffle drawing at 12:15 PM
📻Talk-in: 448.025 MHz, 100 Hz CTCSS
🏢Sponsor: Northern Colorado Amateur Radio Club (NCARC)
🔍 Find More Hamfests
Not finding what you’re looking for? These resources list hamfests across the Rocky Mountain region and beyond:
- 🌐 ARRL Hamfest & Convention Calendar — Search by ZIP code (use 80501 for Longmont-area events)
- 🌐 HamCall Hamfest Search — Comprehensive nationwide hamfest database
- 🌐 Rocky Mountain Ham Radio (RMHAM) — Colorado/Wyoming/New Mexico events and Swaplist
- 🌐 ARRL Rocky Mountain Division — Division-level events and convention info
- 📻 W0ENO Nets — Upcoming hamfest announcements are shared on the Tuesday Hamlet Net (7:00 PM, 147.270 MHz) and Thursday LARC Net (8:00 PM)
Page last updated June 2026. Hamfest details change — always verify with the host club before attending.
Know of an event we missed? Email info@w0eno.org and we’ll add it!
The Custom Facebook Feed plugin
