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Isaac Leff

USAC ID: 27632420

Season	2026Current	2025Previous
Region	N/A
Category	N/A	Men
Team	N/A

Elite Overview

Elite

Boulder Lead All

Season	2025	2024	2023	2022	2021	2020	2019
Team Trial Boulder	8 8 17	-- -- --	-- -- --	-- 10 2	-- 14 7	-- -- --	N/A
Team Trial Lead	-- -- --	-- -- --	-- -- --	8 7 10	-- 11 10	-- -- --	N/A
Championship Boulder	-- -- --	4 4 9	-- -- --	-- 20 13	-- -- 35	-- -- 22	-- -- --
Championship Lead	-- -- --	-- -- --	-- -- --	-- -- 30	-- -- 33	N/A	-- -- --
NA Cup Series Boulder	10	4 9 6	4 -	11 9	22	N/A	20
NA Cup Series Lead	--	-	- 8	5	N/A	N/A	N/A

Youth Overview

Youth

Boulder Lead All

Season	2023	2022	2021	2020	2019	2018	2017	2016	2015
Category	MJR_-2	MJR_-1	MYA_-2	MYA_-1	MYB_-2	MYB_-1	MYC_-2	MYC_-1	MYD_-2
National Boulder	2 6	-- 16 1	5 2 7	-- 11 20	11 7 4	-- -- 35	-- 13 13	-- -- --	-- -- 21
National Lead	-- -- -	-- 12 5	6 4 1	N/A	4 9 8	10 11 19	6 4	-- -- --	-- -- --
Divisional Boulder	-- --	-- --	N/A	4	5	4 7	4 2	-- --	-- --
Divisional Lead	-- --	-- --	N/A	N/A	2	5 1	1	-- --	-- --
Regional Boulder	--				4			4	7
Regional Lead	--	--		N/A				--	--
QE/Local Boulder	--	--	1	--	--	--	--	--	--

U Series Category Youth Category Convert

Age	Season 2026	Season 2025	Season 2024 & pre
19	U20 ( JR_-1 )	U20 ( JR_-1 )	JR_-2
18	U19_-2 ( YA_-2 )	U19_-2 ( YA_-2 )	JR_-1
17	U19_-1 ( YA_-1 )	U19_-1 ( YA_-1 )	YA_-2
16	U17_-2 ( YB_-2 )	U17_-2 ( YB_-2 )	YA_-1
15	U17_-1 ( YB_-1 )	U17_-1 ( YB_-1 )	YB_-2
14	U15_-2 ( YC_-2 )	U15_-2 ( YC_-2 )	YB_-1
13	U15_-1 ( YC_-1 )	U15_-1 ( YC_-1 )	YC_-2
12	U13_-2 ( YD_-2 )	U13_-2 ( YD_-2 )	YC_-1
11	U13_-1 ( YD_-1 )	U13_-1 ( YD_-1 )	YD_-2
10	U11 ( U11 )	U13 ( YD )	YD_-1

World

Championships/Cup

Boulder Lead All

Season	Series	Discipline	Rank	Round	Event Name	Event Date	Event Link
2025	W.Cup	Boulder	53	Qualification	IFSC World Cup Salt Lake City 2025	2025-05-26	Link
2021	W.Champ	Lead	64	Qualification	IFSC - Climbing World Championships (B,L,S) - Moscow 2021	2021-09-21	Link
2021	W.Champ	Boulder	37	Qualification	IFSC - Climbing World Championships (B,L,S) - Moscow 2021	2021-09-21	Link
2021	W.Cup	Lead	40	Qualification	IFSC - Climbing World Cup (L) - Kranj (SLO) 2021	2021-09-04	Link

Youth

Championships

Boulder Lead All

Season	Discipline	Rank	Round	Category	Event Name	Event Date	Event Link
2023	Boulder	10	Semi-final	MJR	IFSC Youth World Championships Seoul 2023	2023-08-27	Link
2023	Boulder	16	Qualification	MJR	IFSC Youth World Championships Seoul 2023	2023-08-27	Link
2021	Lead	15	Semi-final	MYA	IFSC - Climbing Youth World Championships (B,L,S) - Voronezh (RUS) 2021	2021-08-31	Link
2021	Lead	19	Qualification	MYA	IFSC - Climbing Youth World Championships (B,L,S) - Voronezh (RUS) 2021	2021-08-31	Link
2021	Boulder	6	Final	MYA	IFSC - Climbing Youth World Championships (B,L,S) - Voronezh (RUS) 2021	2021-08-31	Link
2021	Boulder	3	Semi-final	MYA	IFSC - Climbing Youth World Championships (B,L,S) - Voronezh (RUS) 2021	2021-08-31	Link
2021	Boulder	2	Qualification	MYA	IFSC - Climbing Youth World Championships (B,L,S) - Voronezh (RUS) 2021	2021-08-31	Link

Region

Continental

Boulder Lead All

Season	Discipline	Rank	Event Name	Event Date	Event Link
2024	Boulder	22	FISU University Championships Koper 2024	2024-09-12	Link
2021	Lead	6	IFSC Pan Am - Continental Championships (B,S,L) - Ibarra (ECU) 2021	2021-12-06	Link
2021	Boulder	8	IFSC Pan Am - Continental Championships (B,S,L) - Ibarra (ECU) 2021	2021-12-06	Link
2021	Combined	9	IFSC Pan Am - Continental Championships (B,S,L) - Ibarra (ECU) 2021	2021-12-06	Link
2019	Lead	1	PanAmerican Youth Championships (L, S, B) - Ibarra (ECU) 2019	2019-12-08	Link
2019	Boulder	1	PanAmerican Youth Championships (L, S, B) - Ibarra (ECU) 2019	2019-12-08	Link

Elite

Championship

Boulder Lead All

Season /Year	Type	Rank	Round	Category	Event Name	Event Date	Event Link
2025	Boulder	8	Final	Men	2025 National Team Trials, Mesa Rim Climbing Centers - Austin Boulder Final	2025-03-12	Link
2025	Boulder	8	Semi-final	Men	2025 National Team Trials, Mesa Rim Climbing Centers - Austin Boulder Semi-final	2025-03-12	Link
2025	Boulder	17	Qualifier	Men	2025 National Team Trials, Mesa Rim Climbing Centers - Austin Boulder Qualifier	2025-03-12	Link
2024	Boulder	4	Final	Men	2024 Yeti National Championships Boulder Final	2024-10-12	Link
2024	Boulder	4	Semi-final	Men	2024 Yeti National Championships Boulder Semi-final	2024-10-12	Link
2024	Boulder	9	Qualifier	Men	2024 Yeti National Championships Boulder Qualifier	2024-10-12	Link
2022	Lead	30	Qualifier	Men	2022 YETI Climbing National Championships – The Spot/G-1 Lead Qualifier	2022-11-09	Link
2022	Boulder	20	Semi-final	Men	2022 YETI Climbing National Championships – The Spot/G-1 Boulder Semi-final	2022-11-09	Link
2022	Boulder	13	Qualifier	Men	2022 YETI Climbing National Championships - The Spot/G-1 Boulder Qualifier	2022-11-09	Link
2022	Lead	8	Final	Men	2022 National Team Trials, Stone Summit Lead/TR Final	2022-03-09	Link
2022	Lead	7	Semi-final	Men	2022 National Team Trials, Stone Summit Lead/TR Semi-final	2022-03-09	Link
2022	Lead	10	Qualifier	Men	2022 National Team Trials, Stone Summit Lead/TR Qualifier	2022-03-09	Link
2022	Boulder	10	Semi-final	Men	2022 National Team Trials, Stone Summit Bouldering Semi-final	2022-03-09	Link
2022	Boulder	2	Qualifier	Men	2022 National Team Trials, Stone Summit Bouldering Qualifier	2022-03-09	Link
2021	Lead	33	Qualifier	Men	2021 YETI National Championship Lead Qualifier	2021-11-13	Link
2021	Boulder	35	Qualifier	Men	2021 YETI National Championships Boulder Qualifier	2021-11-13	Link
2021	Lead	11	Semi-final	Men	2021 National Team Trials Lead Semi-final	2021-03-25	Link
2021	Lead	10	Qualifier	Men	2021 National Team Trials Lead Qualifier	2021-03-25	Link
2021	Boulder	14	Semi-final	Men	2021 National Team Trials Boulder Semi-final	2021-03-25	Link
2021	Boulder	7	Qualifier	Men	2021 National Team Trials Boulder Qualifier	2021-03-25	Link
2020	Boulder	22	Qualifier	Men	2020 Bouldering Open National Championships Qualifier	2020-01-31	Link
2020	Lead	18	Qualifier	Men	2020 Combined Invitational - Summit Plano LEAD/TR Qualifier	2020-01-10	Link
2020	Boulder	21	Qualifier	Men	2020 Combined Invitational - Summit Plano Boulder Qualifier	2020-01-10	Link

. . .

Elite

National Cup

Boulder Lead All

Season /Year	Type	Rank	Round	Category	Event Name	Event Date	Event Link
2025	Boulder	10	Semi-final	Men	2025 Elite NACS Greenville Boulder Semi-final	2025-04-05	Link
2025	Boulder	11	Qualifier	Men	2025 Elite NACS Greenville Boulder Qualifier	2025-04-05	Link
2024	Boulder	4	Final	Men	2024 CEC NACS Altitude Gym Boulder Final	2024-06-22	Link
2024	Boulder	1	Semi-final	Men	2024 CEC NACS Altitude Gym Boulder Semi-final	2024-06-22	Link
2024	Boulder	4	Qualifier	Men	2024 CEC NACS Altitude Gym Boulder Qualifier	2024-06-22	Link
2024	Boulder	9	Semi-final	Men	2024 Elite NACS Vail Boulder Semi-final	2024-06-06	Link
2024	Boulder	4	Qualifier	Men	2024 Elite NACS Vail Boulder Qualifier	2024-06-06	Link
2024	Lead		Qualifier	Men	2024 Elite NACS USA Climbing Training Center Lead Qualifier	2024-04-24	Link
2024	Boulder	6	Final	Men	2024 Elite NACS USA Climbing Training Center Boulder Final	2024-04-24	Link
2024	Boulder	3	Semi-final	Men	2024 Elite NACS USA Climbing Training Center Boulder Semi-final	2024-04-24	Link
2024	Boulder	9	Qualifier	Men	2024 Elite NACS USA Climbing Training Center Boulder Qualifier	2024-04-24	Link
2023	Lead		Qualifier	Men	2023 Elite NACS Sportrock Climbing Centers Lead Qualifier	2023-09-22	Link
2023	Lead	8	Final	Men	2023 CEC NACS Richmond Olympic Oval Lead Final	2023-09-08	Link
2023	Lead	7	Semi-final	Men	2023 CEC NACS Richmond Olympic Oval Lead Semi-final	2023-09-08	Link
2023	Lead	8	Qualifier	Men	2023 CEC NACS Richmond Olympic Oval Lead Qualifier	2023-09-08	Link
2023	Boulder	4	Final	Men	2023 CEC NACS Beta Bloc Boulder Final	2023-07-08	Link
2023	Boulder	3	Semi-final	Men	2023 CEC NACS Beta Bloc Boulder Semi-final	2023-07-08	Link
2023	Boulder	20	Qualifier	Men	2023 CEC NACS Beta Bloc Boulder Qualifier	2023-07-08	Link
2023	Boulder		Qualifier	Men	2023 Elite NACS GoPro Mountain Games Boulder Qualifier	2023-06-08	Link
2022	Lead		Final	Men	2022 Elite National Alta Climbing and Fitness Lead Final	2022-09-16	Link
2022	Lead	1	Semi-final	Men	2022 Elite National Alta Climbing and Fitness Lead Semi-final	2022-09-16	Link
2022	Lead	2	Qualifier	Men	2022 Elite National Alta Climbing and Fitness Lead Qualifier	2022-09-16	Link
2022	Boulder	11	Semi-final	Men	2022 Elite National GoPro Games Boulder Semi-final	2022-06-10	Link
2022	Boulder	1	Qualifier	Men	2022 Elite National GoPro Games Boulder Qualifier	2022-06-10	Link
2022	Lead	5	Final	Men	2022 Elite NACS Sportrock Climbing Centers Lead Final	2022-04-27	Link
2022	Lead	5	Semi-final	Men	2022 Elite NACS Sportrock Climbing Centers Lead Semi-final	2022-04-27	Link
2022	Lead	3	Qualifier	Men	2022 Elite NACS Sportrock Climbing Centers Lead Qualifier	2022-04-27	Link
2022	Boulder	9	Semi-final	Men	2022 Elite NACS Sportrock Climbing Centers Boulder Semi-final	2022-04-27	Link
2022	Boulder	6	Qualifier	Men	2022 Elite NACS Sportrock Climbing Centers Boulder Qualifier	2022-04-27	Link
2021	Boulder	22	Qualifier	Men	2021 NACS Salt Lake City Boulder Qualifier	2021-06-12	Link
2019	Boulder	20	Qualifier	Men	2019 National Cup Series - Stone Age Boulder Qualifier	2019-10-18	Link

. . .

Collegiate

National

Season /Year	Rank	Round	Category	Event Name	Event Date	Event Link
2024	2*	Final	MAdv	2024 Collegiate National Boulder Alta Climbing & Fitness Final	2024-05-24	Link
2024	6*	Qualifier	MAdv	2024 Collegiate National Boulder Alta Climbing & Fitness Qualifier	2024-05-24	Link

Collegiate

QE/Local

Season /Year	Rank	Category	Event Name	Format	Event Date	Event Link
2023	3	MAdv	2023 Collegiate QE Rocky Mountain The Front	Redpoint	2023-01-14	Link

Youth

National

Boulder Lead All

Season /Year	Type	Rank	Round	Category	Event Name	Event Date	Event Link
2023	Lead		Qualifier	MJR_-2	2023 Youth National The Front/USAC Training Center Lead/TR Qualifier	2023-07-09	Link
2023	Boulder		Final	MJR_-2	2023 Youth National The Front/USAC Training Center Boulder Final	2023-07-09	Link
2023	Boulder	2	Semi-final	MJR_-2	2023 Youth National The Front/USAC Training Center Boulder Semi-final	2023-07-09	Link
2023	Boulder	6	Qualifier	MJR_-2	2023 Youth National The Front/USAC Training Center Boulder Qualifier	2023-07-09	Link
2022	Lead	12	Semi-final	MJR_-1	2022 Youth National Championships FA Arlington Heights Lead/TR Semi-final	2022-07-25	Link
2022	Lead	5	Qualifier	MJR_-1	2022 Youth National Championships FA Arlington Heights Lead/TR Qualifier	2022-07-25	Link
2022	Boulder	16	Semi-final	MJR_-1	2022 Youth National Championships FA Arlington Heights Boulder Semi-final	2022-07-25	Link
2022	Boulder	1	Qualifier	MJR_-1	2022 Youth National Championships FA Arlington Heights Boulder Qualifier	2022-07-25	Link
2021	Lead	6	Final	MYA_-2	2021 Youth Nationals Lead/TR Final	2021-07-13	Link
2021	Lead	4	Semi-final	MYA_-2	2021 Youth Nationals Lead/TR Semi-final	2021-07-13	Link
2021	Lead	1	Qualifier	MYA_-2	2021 Youth Nationals Lead/TR Qualifier	2021-07-13	Link
2021	Boulder	5	Final	MYA_-2	2021 Youth Nationals Boulder Final	2021-07-13	Link
2021	Boulder	2	Semi-final	MYA_-2	2021 Youth Nationals Boulder Semi-final	2021-07-13	Link
2021	Boulder	7	Qualifier	MYA_-2	2021 Youth Nationals Boulder Qualifier	2021-07-13	Link
2020	Boulder	11	Semi-final	MYA_-1	2020 Bouldering Youth National Championships Semi-final	2020-02-07	Link
2020	Boulder	20	Qualifier	MYA_-1	2020 Bouldering Youth National Championships Qualifier	2020-02-07	Link
2019	Lead	4	Final	MYB_-2	2019 Sport & Speed Youth National Championships - Reach Climbing + Fitness Final	2019-07-11	Link
2019	Lead	9	Semi-final	MYB_-2	2019 Sport & Speed Youth National Championships - Reach Climbing + Fitness Semi-final	2019-07-11	Link
2019	Lead	8	Qualifier	MYB_-2	2019 Sport & Speed Youth National Championships - Reach Climbing + Fitness Qualifier	2019-07-11	Link
2019	Boulder	11	Final	MYB_-2	2019 Bouldering Youth National Championships Final	2019-02-08	Link
2019	Boulder	7	Semi-final	MYB_-2	2019 Bouldering Youth National Championships Semi-final	2019-02-08	Link
2019	Boulder	4	Qualifier	MYB_-2	2019 Bouldering Youth National Championships Qualifier	2019-02-08	Link
2018	Lead	10	Final	MYB_-1	2018 Sport & Speed Youth National Championships Final	2018-07-12	Link
2018	Lead	11	Semi-final	MYB_-1	2018 Sport & Speed Youth National Championships Semi-final	2018-07-12	Link
2018	Lead	19	Qualifier	MYB_-1	2018 Sport & Speed Youth National Championships Qualifier	2018-07-12	Link
2018	Boulder	35	Qualifier	MYB_-1	2018 Bouldering Youth National Championship Qualifier	2018-02-09	Link
2017	Lead		Final	MYC_-2	2017 Sport & Speed Youth Nationals - Stone Summit Climbing & Fitness Final	2017-07-13	Link
2017	Lead	6	Semi-final	MYC_-2	2017 Sport & Speed Youth Nationals - Stone Summit Climbing & Fitness Semi-final	2017-07-13	Link
2017	Lead	4	Qualifier	MYC_-2	2017 Sport & Speed Youth Nationals - Stone Summit Climbing & Fitness Qualifier	2017-07-13	Link
2017	Boulder	13	Semi-final	MYC_-2	2017 Bouldering Youth National Championship Semi-final	2017-02-10	Link
2017	Boulder	13	Qualifier	MYC_-2	2017 Bouldering Youth National Championship Qualifier	2017-02-10	Link
2016	Boulder	8		MYC_-1	2016 Bouldering Youth National Championship (ABS 17 Comp)	2016-02-02	Link
2015	Boulder	21	Qualifier	MYD_-2	2015 Bouldering Youth National Championships (ABS 16 Comp)	2015-02-13	Link

. . .

Youth

Divisional

Boulder Lead All

Season /Year	Type	Rank	Round	Category	Event Name	Event Date	Event Link
2020	Boulder		Final	MYA_-1	2020 Bouldering Divisional Championships - Beta Climbing + Fitness D8 Final	2020-01-18	Link
2020	Boulder	4	Qualifier	MYA_-1	2020 Bouldering Divisional Championships - Beta Climbing + Fitness D8 Qualifier	2020-01-18	Link
2019	Lead		Final	MYB_-2	2019 Sport & Speed Divisional - CRG Randolph D8 Final	2019-06-15	Link
2019	Lead	2	Qualifier	MYB_-2	2019 Sport & Speed Divisional - CRG Randolph D8 Qualifier	2019-06-15	Link
2019	Boulder		Final	MYB_-2	2019 Bouldering Divisional - BETA Climbing + Fitness D8 Final	2019-01-12	Link
2019	Boulder	5	Qualifier	MYB_-2	2019 Bouldering Divisional - BETA Climbing + Fitness D8 Qualifier	2019-01-12	Link
2018	Lead	5	Final	MYB_-1	2018 Sport & Speed Divisional - Central Rock Gym D8 Final	2018-06-16	Link
2018	Lead	1	Qualifier	MYB_-1	2018 Sport & Speed Divisional - Central Rock Gym D8 Qualifier	2018-06-16	Link
2018	Boulder	4	Final	MYB_-1	2018 Bouldering Divisional - Central Rock Gym D8 Final	2018-01-13	Link
2018	Boulder	7	Qualifier	MYB_-1	2018 Bouldering Divisional - Central Rock Gym D8 Qualifier	2018-01-13	Link
2017	Lead		Final	MYC_-2	2017 Sport & Speed Divisional - Central Rock Gym D8 Final	2017-06-17	Link
2017	Lead	1	Qualifier	MYC_-2	2017 Sport & Speed Divisional - Central Rock Gym D8 Qualifier	2017-06-17	Link
2017	Boulder	4	Final	MYC_-2	2017 Bouldering Divisional - Central Rock Gym D8 Final	2017-01-14	Link
2017	Boulder	2	Qualifier	MYC_-2	2017 Bouldering Divisional - Central Rock Gym D8 Qualifier	2017-01-14	Link
2016	Boulder	7		MYC_-1	2016 Division 8 Championship (ABS 17 Comp)	2016-01-09	Link
2015	Boulder	6		MYD_-2	2015 Divisional 5 Championship (ABS 16 Comp) Central Rock	2015-01-10	Link

. . .

Youth

Regional

Boulder Lead All

Season /Year	Type	Rank	Category	Event Name	Event Date	Event Link
2022	Boulder		MJR_-1	2022 Youth Regional R91 MetroRock Williamsburg	2022-01-22	Link
2021	Lead		MYA_-2	2021 R91 Regionals Lead/TR	2021-05-30	Link
2021	Boulder		MYA_-2	2021 R91 Regionals Bouldering	2021-05-29	Link
2020	Boulder		MYA_-1	2020 Youth Regional R801 - Rock Climb Fairfield Boulder	2019-12-14	Link
2019	Lead		MYB_-2	2019 Youth Regional R801 - Gravity Vault Poughkeepsie LEAD/TR	2019-05-18	Link
2019	Boulder	4	MYB_-2	2019 Youth Regional R801 - CRG Hadley Boulder	2018-12-08	Link
2018	Lead		MYB_-1	2018 Youth Regional R801 - Rock Climb Fairfield LEAD/TR	2018-05-12	Link
2018	Boulder		MYB_-1	2018 Youth Regional R801 - The Gravity Vault, Melville Boulder	2017-12-09	Link
2017	Lead		MYC_-2	2017 Youth Regional R801 - Rock Climb Fairfield LEAD/TR	2017-05-13	Link
2017	Boulder		MYC_-2	2017 Youth Regional R801 - The Gravity Vault, Poughkeepsie Boulder	2016-12-10	Link
2016	Boulder	4	MYC_-1	2016 801 Regional Championship (ABS 17 Comp)	2015-12-12	Link
2015	Boulder	7	MYD_-2	2015 Regional Championship (ABS 16 Comp) Gravity Vault	2014-12-06	Link

Youth

QE/Local

Boulder Lead All

Season /Year	Type	Rank	Category	Event Name	Format	Event Date	Event Link
2021	Boulder	1	MYA_-2	2021 Youth QE VQ0043	Virtual	2020-12-31	Link

Team History

Year	Team	Alt. Name
2024	U of Utah
2019	Team Rock
2018	Team Rock
2017	Team Rock
2015	Team Rock

IFSC data last synced on 2025-09-28.

USAC data last synced on 2025-12-07.

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Isaac Leff

Season

Elite Overview

Youth Overview

World

Youth

Region

Elite

Elite

Collegiate

Collegiate

Youth

Youth

Youth

Youth

Team History