Ranked from data

Largest duathlons in the US

Duathlons in the US ranked by finishers in each race's most recent scored edition.

races ranked

states with their own list

#	Race	Where	Next date	Finishers	Median finish
1	Columbia Duathlon2026 edition	Columbia, Maryland	Apr 11, 2027	227	1:18:51
2	Navy Seal Swim2026 edition	Rochelle Park, New Jersey	TBA	191	5:10:53
3	Tri 4 Schools Madison Bike + Run2025 edition	Madison, Wisconsin	TBA	183	19:33
4	Tidewater Striders Duathlon2026 edition	Chesapeake, Virginia	TBA	155	1:23:14
5	CEDAR CREEK FALL DUATHLON2025 edition	Seaford, New York	Oct 10, 2026	150	1:02:43
6	CEDAR CREEK SPRING DUATHLON2026 edition	Seaford, New York	Apr 10, 2027	150	1:08:05
7	Spring Classic Duathlon, Half, 10k & 5k2026 edition	Vancouver, Washington	May 1, 2027	144	1:50:09
8	Racin' the Station Duathlon2025 edition	Huntsville, Alabama	Oct 10, 2026	125	1:27:19
9	Mighty Mother's Day Du and Time Trial2026 edition	East Islip, New York	TBA	124	1:15:58
10	The Fox River Challenge2026 edition	Wrightstown, Wisconsin	TBA	121	1:36:02
11	42nd Annual Central Park Duathlon/Team Boat Relay2024 edition	New York, New York	Oct 4, 2026	102	1:16:21
12	Northeast Park Duathlon2026 edition	Gibsonville, North Carolina	TBA	101	1:08:08
13	Erie Duathlon in support of the Erie Cancer Wellness Center2026 edition	Girard, Pennsylvania	TBA	97	1:51:30
14	SOUTH FORK DUATHLON2026 edition	Whitehouse, Ohio	TBA	90	1:15:57
15	Pleasant Prairie Triathlon2026 edition	Pleasant Prairie, Wisconsin	Jun 27, 2027	83	1:49:53
16	Cherrylake Farm Races presented by Orlando Health2026 edition	Groveland, Florida	Feb 6, 2027	79	1:22:13
17	Super Bowl Duathlon2026 edition	Clermont, Florida	Feb 14, 2027	79	1:17:08
18	Ordinary Mortals Duathlon2025 edition	Pueblo, Colorado	TBA	77	1:56:58
19	Kennett Run2026 edition	Kennett Square, Pennsylvania	TBA	76	28:53
20	Tulsa Area Triathletes Chris Brown Tulsa DU 20262026 edition	Tulsa, Oklahoma	TBA	76	29:27
21	DOOBY DU DUATHLON2026 edition	Sylvania, Ohio	TBA	74	1:32:00
22	Lake Montclair Triathlon & Duathlon2025 edition	Montclair, Virginia	TBA	73	1:33:05
23	Mohawk Towpath Byway Duathlon2024 edition	Rexford, New York	Oct 18, 2026	71	1:17:00
24	The Bill Bone Tropical Triathlon2025 edition	Lake Worth, Florida	Oct 18, 2026	70	1:18:15
25	Cocoa Beach Triathlon & Duathlon2026 edition	Cocoa Beach, Florida	Apr 11, 2027	67	1:30:18
26	Game On! Key Largo Triathlon Summer2026 edition	Key Largo, Florida	TBA	64	1:30:48
27	Wisconsin Women's Triathlon2026 edition	Pleasant Prairie, Wisconsin	TBA	64	1:41:22
28	THE DOVER DUATHLON 20262026 edition	Dover, Delaware	TBA	61	1:16:14
29	35TH DAVE REYNOLDS BIATHLON, 2-PERSON RELAY & Kid's Mini Biathlon2026 edition	Rehoboth Beach, Delaware	TBA	60	39:55
30	Edinburg Dirty Duathlon2026 edition	Edinburg, Texas	TBA	58	53:26
31	Pinnacle Peak Duathlon2025 edition	Enumclaw, Washington	TBA	51	1:40:21
32	AdventHealth Cool Sommer Mornings Triathlon\Duathlon\5K Series #32026 edition	Clermont, Florida	Aug 8, 2027	50	1:20:28
33	SPRINT AND SPLASH2026 edition	Chesterfield, Michigan	TBA	50	1:11:58
34	Summer Kickoff Kids Duathlon 20262026 edition	Colorado Springs, Colorado	TBA	48	15:09
35	PINE BARRENS TRAIL DUATHLON2025 edition	Ridge, New York	TBA	47	1:24:48
36	Spring Duathlon Series2025 edition	Anchorage, Alaska	TBA	47	19:21
37	Beast of Burden2025 edition	Fayetteville, Arkansas	Oct 31, 2026	45	24:27
38	Game On! ManateeMan Triathlon2026 edition	Cape Coral, Florida	TBA	45	1:21:28
39	AdventHealth Cool Sommer Mornings Triathlon\Duathlon\5K Series #42026 edition	Clermont, Florida	Sep 12, 2027	43	1:18:13
40	AdventHealth Great Clermont Triathlon2026 edition	Clermont, Florida	Mar 7, 2027	43	1:12:52
41	Nic's Race 5k, Kids 2k, & Duathlon2025 edition	Anchorage, Alaska	TBA	43	17:31
42	AdventHealth Cool Sommer Mornings Triathlon\Duathlon\5K Series #22026 edition	Clermont, Florida	Jul 11, 2027	42	1:20:15
43	AdventHealth Great Floridian Multisport Festival2025 edition	Clermont, Florida	Oct 17, 2026	42	1:12:00
44	The Great Peace Valley 5 Miler, 5k, 2 Mile Run/Walk & DUATHLON!2026 edition	Chalfont, Pennsylvania	TBA	42	1:18:51
45	Cypress Sprint and Youth Triathlon2026 edition	Cypress, Texas	TBA	41	1:20:14
46	Nat Greene's Revenge Triathlons and Duathlon2025 edition	Greensboro, North Carolina	Oct 3, 2026	41	1:34:37
47	New River Splash Triathlon, Duathlon & 5k2025 edition	Jacksonville, North Carolina	TBA	41	1:50:41
48	Rev3 Mighty Matapeake2025 edition	Stevensville, Maryland	Oct 17, 2026	40	1:25:10
49	Spring Ahead Duathlon & Bike Race #2025 edition	Woodstown, New Jersey	May 8, 2027	40	1:30:35
50	Columbia River Triathlon2025 edition	Vancouver, Washington	Jul 9, 2027	38	1:55:01

By state

More rankings

Rankings use each race's most recent scored edition from the last 24 months and refresh as results are posted. Races without published results are not ranked.