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IM Switzerland

Ironman Switzerland 2026 – Analyzing Results

IMThunKona Qualifying

IM Switzerland had two Kona Pro slots for the women. These will be offered to

  • Julie Derron and
  • Imogen Simmonds.

The full list of Kona qualifiers can be found here.

Female Race Results

Rank Name Nation Swim Bike Run Time Diff to exp. Prize Money PTO Points
1 Julie Derron SUI 00:56:44 (2) 04:47:41 (1) 02:52:26 (2) 08:42:40 -02:58 US$ 15,000 86.91
2 Imogen Simmonds SUI 00:52:51 (1) 04:50:52 (2) 03:06:53 (9) 08:56:27 -14:52 US$ 9,000 79.73
3 Loanne Duvoisin SUI 00:59:14 (5) 05:07:05 (9) 02:51:06 (1) 09:03:32 n/a US$ 7,000 75.00
4 Leana Bissig SUI 00:58:07 (3) 05:00:05 (5) 03:02:36 (3) 09:06:17 n/a US$ 5,000 71.91
5 Merle Brunnee GER 01:05:20 (17) 04:53:41 (3) 03:05:34 (6) 09:10:51 03:50 US$ 4,000 68.39
6 Barbora Besperat CZE 01:05:18 (16) 05:00:27 (6) 03:04:08 (5) 09:16:02 -11:34 US$ 3,000 64.82
7 Jana Uderstadt GER 00:59:20 (7) 05:04:53 (8) 03:06:00 (8) 09:16:34 07:39 US$ 2,500 62.95
8 Eloise Du Luart FRA 00:59:18 (6) 05:08:36 (13) 03:05:46 (7) 09:20:21 n/a US$ 2,000 60.13
9 Mena Suter SUI 00:59:24 (8) 05:11:03 (14) 03:08:05 (10) 09:24:47 -08:35 US$ 1,500 57.22
10 Marit Lindemann GER 01:10:17 (19) 05:11:30 (15) 03:02:43 (4) 09:31:50 02:04 US$ 1,000 53.54
11 Michelle Krebs SUI 00:59:13 (4) 05:07:35 (10) 03:20:56 (13) 09:34:36 03:27   51.41
12 Jamie Besse SUI 01:05:10 (15) 05:11:54 (16) 03:11:27 (12) 09:35:03 -18:27   50.14
13 Joanna Ryter SUI 01:11:42 (20) 05:15:07 (18) 03:09:08 (11) 09:41:27 06:37   46.98
14 Stephanie Wunderle GER 01:05:25 (18) 05:14:18 (17) 03:22:24 (14) 09:49:09 24:29   43.46
15 Sina Ziegler SUI 01:02:57 (12) 05:07:59 (12) 03:34:06 (15) 09:51:07 n/a   41.93
  Diede Diederiks NED 01:02:44 (9) 04:57:39 (4)   DNF      
  Petra Eggenschwiler SUI 01:14:15 (23) 05:00:33 (7)   DNF      
  Kyra Meulenberg NED 01:12:14 (22) 05:07:35 (10)   DNF      
  Lisa Gerss GER 01:03:17 (13) 05:18:23 (19)   DNF      
  Cindy Lefebvre BEL 01:02:53 (10) 05:25:14 (21)   DNF      
  Kristina Grieger GER 01:04:35 (14) 05:23:59 (20)   DNF      
  Desiree Knecht SUI 01:02:53 (10) 05:52:05 (22)   DNF      
  Sarah Karpinski USA 01:11:55 (21) 06:14:33 (23)   DNF      

Ironman Switzerland (Thun) 2026 (July 5th) – Seedings

Previous Winners

Year Male Winner Time Female Winner Time
2021 Jan van Berkel (SUI) 07:39:40 Daniela Ryf (SUI) 08:32:35
2022     Daniela Ryf (SUI) 08:59:04
2023 Jan van Berkel (SUI) 08:05:01    
2025 Leonard Arnold (GER) 07:49:20    

Last Race’s TOP 3

Male Race Results

Rank Name Nation Swim Bike Run Time
1 Leonard Arnold GER 00:49:44 04:18:46 02:36:12 07:49:20
2 Marius Bjerkeset NOR 00:53:46 04:07:23 02:49:56 07:56:17
3 Frederic Funk GER 00:49:43 04:21:20 02:41:21 07:57:38

Female Race Results (2022)

Rank Name Nation Swim Bike Run Time
1 Daniela Ryf SUI 00:51:19 (1) 04:43:58 (1) 03:18:35 (7) 08:59:04
2 Alexandra Tondeur BEL 00:58:01 (4) 05:11:55 (6) 03:09:41 (3) 09:25:56
3 Heini Hartikainen FIN 01:02:37 (7) 05:01:57 (2) 03:16:49 (6) 09:27:00

Course Records

Leg Gender Record Athlete Date
Total overall 07:49:20 Leonard Arnold 2025-08-24
Swim overall 00:47:40 Ruben Zepuntke 2025-08-24
Bike overall 04:07:23 Marius Bjerkeset 2025-08-24
Run overall 02:36:12 Leonard Arnold 2025-08-24
Total female 08:59:04 Daniela Ryf 2022-07-10
Swim female 00:51:19 Daniela Ryf 2022-07-10
Bike female 04:43:58 Daniela Ryf 2022-07-10
Run female 03:07:41 Kristin Liepold 2022-07-10

Course Rating

The Course Rating for IM Switzerland is 00:23.

Race Adjustments for IM Switzerland

Year Adjustment Swim Adj. Bike Adj. Run Adj. # of Finishers Rating Swim Rating Bike Rating Run Rating
2021 21:47 15:31 03:51 02:26 28 of 35 21:47 15:31 03:51 02:26
2022 02:52 00:14 02:57 -00:19 9 of 11 02:52 00:14 02:57 -00:19
2023 -06:36 -05:47 06:25 -07:14 27 of 39 -01:51 -02:46 04:41 -03:46
2025 04:55 00:50 03:35 00:31 23 of 30 00:23 -01:34 04:18 -02:20

Kona slots and Prize Money

IM Switzerland has 2 Pro Kona slots. It has a total prize purse of 50.000 US$, paying 10 deep.

Female Race Participants

The strength of the field is 14% of a typical Kona field.

# Bib Name Nat Expected Rating ESwim EBike ET2 ERun Consistency
1 1 Julie Derron SUI 08:41:53 09:01:20 00:53:38 04:48:05 05:46:43 02:55:10 n/a (1 IM Pro race)
2 4 Merle Brunnee GER 09:12:53 09:17:51 01:08:06 04:48:52 06:01:58 03:10:55 63% +0% -37% (7)
3 3 Jana Uderstadt (KQ) GER 09:13:10 09:14:17 01:01:37 04:56:09 06:02:46 03:10:24 61% +19% -20% (8)
4 2 Diede Diederiks NED 09:14:19 09:12:36 01:01:29 04:55:08 06:01:37 03:12:42 80% +0% -20% (4)
5 5 Imogen Simmonds SUI 09:18:35 09:16:29 00:54:14 04:54:08 05:53:22 03:25:13 100% +0% -0% (4)
6 6 Skye Wallace (KQ) AUS 09:23:38 09:32:47 01:00:50 05:02:11 06:08:00 03:15:38 24% +76% -0% (3)
7 10 Barbora Besperat CZE 09:24:44 09:38:42 01:11:02 04:58:34 06:14:37 03:10:07 39% +0% -61% (5)
8 7 Lisa Gerss GER 09:31:16 09:48:28 01:00:42 05:10:28 06:16:10 03:15:06 42% +0% -58% (4)
9 23 Stephanie Wunderle GER 09:32:16 09:41:49 01:08:36 04:52:26 06:06:01 03:26:15 46% +0% -54% (5)
10 15 Joanna Ryter SUI 09:35:34 09:40:26 01:08:50 05:09:26 06:23:16 03:12:18 76% +2% -23% (18)
11 9 Marit Lindemann GER 09:37:44 09:52:43 01:08:08 05:11:53 06:25:00 03:12:44 51% +0% -49% (2)
12 8 Kyra Meulenberg NED 09:37:46 09:43:53 01:09:36 05:10:22 06:24:58 03:12:48 83% +0% -17% (5)
13 13 Mena Suter SUI 09:38:17 09:44:36 01:01:12 05:11:51 06:18:03 03:20:14 100% +0% -0% (5)
14 14 Michelle Krebs SUI 09:39:09 09:54:09 01:03:19 05:02:55 06:11:14 03:27:55 n/a (1 IM Pro race)
15 11 Petra Eggenschwiler SUI 09:40:53 09:57:12 01:12:31 05:06:56 06:24:27 03:16:26 50% +0% -50% (4)
16 19 Jamie Besse SUI 09:58:10 10:05:02 01:10:16 05:22:37 06:37:53 03:20:17 81% +19% -0% (5)
17 21 Sarah Karpinski USA 10:30:42 10:38:03 01:10:52 05:38:11 06:54:04 03:36:38 86% +3% -12% (19)
  12 Loanne Duvoisin SUI n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  16 Leana Bissig SUI n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  17 Eloise Du Luart FRA n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  18 Desiree Knecht SUI n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  20 Kristina Grieger GER n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  22 Sina Ziegler SUI n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  24 Cindy Lefebvre BEL n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)

Winning Odds

Female Race Participants

  • Julie Derron: 54% (1-1)
  • Jana Uderstadt: 15% (6-1)
  • Diede Diederiks: 12% (7-1)
  • Merle Brunnee: 10% (9-1)
  • Skye Wallace: 4% (27-1)
  • Imogen Simmonds: 2% (50-1)

Ironman Switzerland (Thun) 2025 – Analyzing Results

IMThunCourse Conditions

This year, conditions in Thun were probably the fastest we have seen (other than the short first edition in 2021). We have also seen a full set of new male course records. Ruben Zepuntke improved on the swim record set by Daniela Ryf (!) in 2022 by more than three minutes, then Marius Bjerkeset set a new bike course record (beating Zepuntke’s time from 2023 by ten minutes), finally winner Leonard Arnold set new run and overall course records. His 2:36 marathon and 7:49 finish were quicker than Jan van Berkel’s times from 2023 (2:40 and 8:05).

Kona Qualifying

IM Switzerland was the first race that offered two Pro slots for Kona 2026. These will be offered to:

  • Leonard Arnold,
    and
  • Marius Bjerkeset.

You can find the full list of qualifiers on the “Kona 2026” page.

Male Race Results

Rank Name Nation Swim Bike Run Time Diff to exp. Prize Money PTO Points
1 Leonard Arnold GER 00:49:44 (3) 04:18:46 (3) 02:36:12 (1) 07:49:20 -13:42 US$ 15,000 82.21
2 Marius Bjerkeset NOR 00:53:46 (25) 04:07:23 (1) 02:49:56 (7) 07:56:17 n/a US$ 9,000 77.04
3 Frederic Funk GER 00:49:43 (2) 04:21:20 (4) 02:41:21 (2) 07:57:38 08:29 US$ 7,000 74.18
4 Valentin Rouvier FRA 00:49:48 (6) 04:23:23 (7) 02:46:59 (4) 08:05:16 n/a US$ 5,000 69.15
5 Jari Claes SUI 00:50:15 (11) 04:21:56 (6) 02:51:29 (8) 08:08:47 n/a US$ 4,000 65.83
6 Ruben Zepuntke GER 00:47:40 (1) 04:18:35 (2) 03:00:53 (13) 08:12:55 -01:15 US$ 3,000 62.45
7 Zachary Bernier-Michaud CAN 00:52:27 (19) 04:29:58 (9) 02:47:48 (5) 08:15:54 00:11 US$ 2,500 59.64
8 Yvan Jarrige FRA 00:49:50 (7) 04:33:01 (15) 02:49:49 (6) 08:18:05 -05:32 US$ 2,000 57.27
9 Ernest Mantell USA 00:49:54 (10) 04:30:04 (10) 02:53:02 (10) 08:18:19 -06:07 US$ 1,500 55.75
10 Fabian Dutli SUI 00:57:34 (28) 04:31:42 (13) 02:46:03 (3) 08:20:54 -06:26 US$ 1,000 53.47
11 Lukas Stahl GER 00:52:26 (18) 04:31:53 (14) 02:55:50 (11) 08:26:16 05:13   50.25
12 Pierre Stieremans FRA 00:53:45 (24) 04:35:28 (16) 02:52:30 (9) 08:27:33 n/a   48.65
13 Patrick Cometta SUI 00:51:54 (13) 04:30:52 (11) 03:02:39 (15) 08:30:54 -15:21   46.37
14 Romain Aymon SUI 00:52:23 (16) 04:38:56 (19) 03:01:25 (14) 08:38:51 n/a   42.45
15 Maxence Castel Gautier FRA 00:52:24 (17) 04:39:10 (20) 03:08:51 (16) 08:47:45 n/a   38.24
16 Lorenzo Delco SUI 01:01:38 (30) 04:42:46 (23) 02:59:11 (12) 08:49:15 -14:55   36.88
17 Louis Naeyaert BEL 00:49:47 (5) 04:40:16 (21) 03:14:09 (18) 08:49:31 n/a   36.05
18 Jan Poplawski POL 00:53:44 (23) 04:38:10 (18) 03:15:56 (20) 08:53:34 11:41   33.85
19 James Scott-Farrington GBR 00:49:52 (8) 04:44:43 (24) 03:13:44 (17) 08:54:50 19:34   32.75
20 Jesse Vondracek USA 00:53:43 (21) 04:51:45 (26) 03:14:34 (19) 09:06:32 21:27   29.50
21 Kevin Brann SUI 00:56:03 (26) 04:42:36 (22) 03:26:52 (22) 09:19:00 n/a   28.98
22 Toby Nisbet GBR 00:52:20 (14) 05:03:31 (27) 03:17:27 (21) 09:19:48 25:10   28.49
23 Stefan Graf SUI 00:57:32 (27) 05:20:17 (28) 03:36:56 (23) 10:02:10 n/a   28.05
  Stenn Goetstouwers BEL 00:49:46 (4) 04:23:44 (8)   DNF      
  Jonathan Guisolan SUI 00:53:43 (21) 04:21:53 (5)   DNF      
  Kevin Rundstadler FRA 00:50:43 (12) 04:31:32 (12)   DNF      
  William Mennesson FRA 00:49:52 (8) 04:37:00 (17)   DNF      
  Loris Millot FRA 00:59:44 (29) 04:51:03 (25)   DNF      
  Florian Seifert GER 00:52:22 (15)     DNF      
  Michal Grabowski POL 00:53:35 (20)     DNF      

Ironman Switzerland Thun 2025 (MPro, Aug 24th) – Seedings

IMThunPrevious Winners

Year Male Winner Time Female Winner Time
2021 Jan van Berkel (SUI) 07:39:40 Daniela Ryf (SUI) 08:32:35
2022     Daniela Ryf (SUI) 08:59:04
2023 Jan van Berkel (SUI) 08:05:01    

Last Race’s TOP 3

Male Race Results

Rank Name Nation Swim Bike Run Time
1 Jan van Berkel SUI 00:54:03 04:25:16 02:40:48 08:05:01
2 Leonard Arnold GER 00:55:41 04:23:29 02:42:37 08:07:13
3 Andrea Salvisberg SUI 00:51:58 04:27:19 02:46:21 08:10:24

Female Race Results

Rank Name Nation Swim Bike Run Time
1 Daniela Ryf SUI 00:51:19 04:43:58 03:18:35 08:59:04
2 Alexandra Tondeur BEL 00:58:01 05:11:55 03:09:41 09:25:56
3 Heini Hartikainen FIN 01:02:37 05:01:57 03:16:49 09:27:00

Course Records

Leg Gender Record Athlete Date
Total overall 08:05:01 Jan van Berkel 2023-07-09
Swim overall 00:51:19 Daniela Ryf 2022-07-10
Bike overall 04:17:19 Ruben Zepuntke 2023-07-09
Run overall 02:40:48 Jan van Berkel 2023-07-09
Total female 08:59:04 Daniela Ryf 2022-07-10
Swim female 00:51:19 Daniela Ryf 2022-07-10
Bike female 04:43:58 Daniela Ryf 2022-07-10
Run female 03:07:41 Kristin Liepold 2022-07-10

Course Rating

The Course Rating for IM Switzerland is – 01:51.

Race Adjustments for IM Switzerland

Year Adjustment Swim Adj. Bike Adj. Run Adj. # of Finishers Rating Swim Rating Bike Rating Run Rating
2021 21:47 15:31 03:51 02:26 28 of 35 21:47 15:31 03:51 02:26
2022 02:52 00:14 02:57 -00:19 9 of 11 02:52 00:14 02:57 -00:19
2023 -06:36 -05:47 06:25 -07:14 27 of 39 -01:51 -02:46 04:41 -03:46

Kona slots and Prize Money

IM Switzerland has 2 Pro Kona slots for 2026. It has a total prize purse of 50.000 US$, paying 10 deep.

Male Race Participants

The strength of the field is 9% of a typical Kona field.

# Bib Name Nat Expected Rating ESwim EBike ET2 ERun Consistency
1 5 Frederic Funk GER 07:57:31 08:07:51 00:50:32 04:13:37 05:09:09 02:48:22 n/a (1 IM Pro race)
2 3 Cameron Wurf AUS 08:04:54 08:02:47 00:53:39 04:12:03 05:10:42 02:54:12 74% +21% -5% (38)
3 4 Joe Skipper GBR 08:06:07 08:10:58 00:54:58 04:17:52 05:17:50 02:48:17 53% +0% -47% (47)
4 2 Leonard Arnold GER 08:06:28 08:27:04 00:52:04 04:24:35 05:21:39 02:44:49 36% +0% -64% (6)
5 1 Dylan Magnien FRA 08:10:17 08:11:29 00:51:43 04:28:07 05:24:49 02:45:28 59% +25% -17% (10)
6 6 Stenn Goetstouwers BEL 08:17:33 08:17:06 00:53:11 04:25:58 05:24:09 02:53:24 58% +19% -23% (16)
7 9 Kevin Rundstadler FRA 08:20:53 08:27:36 00:51:57 04:22:04 05:19:00 03:01:53 69% +0% -31% (6)
8 7 Ruben Zepuntke GER 08:22:28 08:23:39 00:49:23 04:18:30 05:12:54 03:09:34 51% +0% -49% (3)
9 32 Zachary Bernier-Michaud CAN 08:24:28 08:35:23 00:55:54 04:29:46 05:30:40 02:53:48 n/a (1 IM Pro race)
10 8 William Mennesson FRA 08:26:16 08:35:29 00:52:45 04:21:37 05:19:23 03:06:53 46% +0% -54% (13)
11 26 Lukas Stahl GER 08:26:52 08:30:43 00:56:47 04:29:15 05:31:03 02:55:49 64% +0% -36% (7)
12 20 Yvan Jarrige FRA 08:27:29 08:33:14 00:52:38 04:34:06 05:31:45 02:55:44 61% +34% -5% (10)
13 31 Fabian Dutli SUI 08:28:56 08:37:02 00:57:31 04:30:31 05:33:02 02:55:54 70% +10% -21% (6)
14 10 Louis Richard FRA 08:29:06 08:36:13 01:13:10 04:25:30 05:43:40 02:45:26 100% +0% -0% (2)
15 17 Ernest Mantell USA 08:29:09 08:34:04 00:54:51 04:34:35 05:34:27 02:54:42 58% +26% -16% (5)
16 12 Jonathan Guisolan SUI 08:37:31 08:48:43 00:55:25 04:19:11 05:19:36 03:17:55 n/a (1 IM Pro race)
17 21 James Scott-Farrington GBR 08:43:59 08:45:20 00:52:32 04:33:04 05:30:37 03:13:22 100% +0% -0% (2)
18 23 Jesse Vondracek USA 08:50:50 08:55:22 00:55:28 04:37:46 05:38:14 03:12:36 80% +2% -17% (33)
19 24 Jan Poplawski POL 08:51:12 09:02:42 00:56:42 04:37:38 05:39:20 03:11:52 n/a (no IM Pro race)
20 29 Patrick Cometta SUI 08:55:09 09:01:35 00:56:07 04:39:32 05:40:39 03:14:30 100% +0% -0% (2)
21 16 Toby Nisbet GBR 08:58:24 09:05:08 00:55:17 04:42:03 05:42:20 03:16:04 69% +0% -31% (4)
22 18 Florian Seifert GER 08:58:31 09:10:11 00:53:01 04:37:56 05:35:57 03:22:34 n/a (1 IM Pro race)
23 15 Lorenzo Delco SUI 09:12:15 09:42:45 01:07:00 04:45:50 05:57:49 03:14:26 0% +0% -100% (3)
  11 Louis Naeyaert BEL n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  13 Marius Bjerkeset NOR n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  14 Nick Thijs BEL n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  25 Romain Aymon SUI n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  27 Nick Emde GER n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  28 Michal Grabowski POL n/a unrated unrated unrated unrated unrated n/a (1 IM Pro race)
  30 Stefan Graf SUI n/a unrated unrated unrated unrated unrated n/a (1 IM Pro race)
  33 Valentin Rouvier FRA n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  34 Kevin Brann SUI n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  35 Pierre Stieremans FRA n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  36 Maxence Castel Gautier FRA n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  37 Loris Millot FRA n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)
  38 Jari Claes SUI n/a unrated unrated unrated unrated unrated n/a (no IM Pro race)

Winning Odds

Male Race Participants

  • Cameron Wurf: 27% (3-1)
  • Joe Skipper: 23% (3-1)
  • Dylan Magnien: 16% (5-1)
  • Leonard Arnold: 16% (5-1)
  • Frederic Funk: 13% (7-1)
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