Krister Hägg Lahti

Born : 1973 Cat. M50 Ultrarunner since 2016

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details

Countries visited ?

Finland

Sweden

28,7%

Rank quotient ?This runner's calculation uses 21 eligible race(s): Σ(rank − 1) = 1 050; Σ finishers = 3 661. 1 050 / 3 661 × 100 = 28.68%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed21

Km — ultra races2 608 km

> 100 km13

> 160 km8

> 200 km1

> 24h15

Longest race201,2 km

Kvinnersta Backyard Ultra — 5/10/2019

Km per year (ultra races)

268

2022

322

2023

101

2024

2025

2026

Race types (share of distance)

Road2,3%

Trail13,4%

Elim.82,3%

?2,0%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M1

🏅 Top 37

🏅 Top 3 M7

Longest winning streak1

Current streak0

Records

50 mi14h12'15 6 h60,96 km Backyard30 loops

HISTORY

21 race(s)

Date		Race	Perf.	Rk
2025
29.05	31h	Säfsbygdens BU	67.060 km	5
2024
15.06	Backyard Ultra	6 Älvdalen Backyard Ultra	100.590 km (15h)	18
2023
15.07	Backyard Ultra	Borlänge Backyard	127.414 km (19h)	6
10.06	6h	2 Sala stadsparks Ultralopp - 6h	60.957 km	1 🏆
06.05	Backyard Ultra	5 Vinkbo Backyard Ultra	134.120 km (20h)	7
2022
26.05	Backyard Ultra	Örebro Backyard Ultra	100.590 km (15h)	8
07.05	Backyard Ultra	4 Vinkbo Backyard Ultra	167.650 km (25h)	2 🥈
2021
23.10	Backyard Ultra	Kvinnersta Backyard Ultra	160.944 km (24h)	3 🥉
17.07	Backyard Ultra	Borlänge Backyard	87.100 km	16
19.06	Backyard Ultra	5 Älvdalen Backyard Ultra - race 1	160.944 km (24h)	9
2020
05.09	Backyard Ultra	Strömkarlens Bakgård Ultra	181.062 km (27h)	2 🥈
01.08	Backyard Ultra	Säfsen Sommarbackyard	160.944 km (24h)	2 🥈
05.01	6h	Marieberg Galleria 6h	51.066 km	20
2019
05.10	Backyard Ultra	Kvinnersta Backyard Ultra	201.180 km (30h)	2 🥈
03.08	Backyard Ultra	Säfsen Sommarbackyard	181.062 km (27h)	5
30.05	Backyard Ultra	Örebro Backyard Ultra	140.826 km (21h)	11
2018
18.08	90km	5th Ultravasan90	9:11:16 h	149
26.05	80km	5 NUTS Karhunkierros 80km Trail Ultra	14:12:15 h	197
10.05	Backyard Ultra	Örebro Backyard Ultra	174.356 km (26h)	3 🥉
2017
19.08	90km	4th Ultravasan90	9:23:41 h	179
2016
20.08	90km	3rd Ultravasan90	10:50:15 h	426

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	5/10/2019	Kvinnersta Backyard Ultra	201,18	×4
✓ 2	5/9/2020	Strömkarlens Bakgård Ultra	181,06	×4
✓ 3	3/8/2019	Säfsen Sommarbackyard	181,06	×4
✓ 4	10/5/2018	Örebro Backyard Ultra	174,36	×3
✓ 5	7/5/2022	4 Vinkbo Backyard Ultra	167,65	×3
✓ 6	23/10/2021	Kvinnersta Backyard Ultra	160,94	×3
✓ 7	19/6/2021	5 Älvdalen Backyard Ultra - race 1	160,94	×3
✓ 8	1/8/2020	Säfsen Sommarbackyard	160,94	×3
✓ 9	30/5/2019	Örebro Backyard Ultra	140,83	×3
✓ 10	6/5/2023	5 Vinkbo Backyard Ultra	134,12	×2
✓ 11	15/7/2023	Borlänge Backyard	127,41	×2
✓ 12	15/6/2024	6 Älvdalen Backyard Ultra	100,59	×2
✓ 13	26/5/2022	Örebro Backyard Ultra	100,59	×2
✓ 14	18/8/2018	5th Ultravasan90	90,00	×2
✓ 15	19/8/2017	4th Ultravasan90	90,00	×2
✓ 16	20/8/2016	3rd Ultravasan90	90,00	×2
✓ 17	17/7/2021	Borlänge Backyard	87,10	×1
✓ 18	26/5/2018	5 NUTS Karhunkierros 80km Trail Ultra	80,00	×1
✓ 19	29/5/2025	Säfsbygdens BU	67,06	×1
✓ 20	10/6/2023	2 Sala stadsparks Ultralopp - 6h	60,96	×1
✓ 21	5/1/2020	Marieberg Galleria 6h	51,07	×1