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2025 Ironman 70.3 Knokke-Heist

September 6, 2025 · Knokke-Heist, Belgium

Data: PTO Stats · Updated 5/21/2026 · Quality: partialHow data works

Race editions

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20252023
Distance
Half-Iron (70.3 miles)
Half-Iron
Field size
38
25 men · 13 women
Men SOF
79.61
Women SOF
68.47

Race story in the data

Men: Cameron Main won in 3:39:37 with a +4:14 margin. Cameron Main had the fastest run (1:11:55).

Women: Diede Diederiks won in 4:09:15 with a +4:21 margin. Sophie Delguste had the fastest run (1:23:48).

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Race summary

2025 Ironman 70.3 Knokke-Heist 2025 - Men

ProTriStats

Winner: Cameron Main in 3:39:37

Margin: +4:14

Fastest bike: Joe Skipper - 1:58:34

Fastest run: Cameron Main - 1:11:55

Top points: Cameron Main - 83.30 pts

Field: 22/25 finishers, SOF 79.61

Race summary

2025 Ironman 70.3 Knokke-Heist 2025 - Women

ProTriStats

Winner: Diede Diederiks in 4:09:15

Margin: +4:21

Fastest bike: Diede Diederiks - 2:11:51

Fastest run: Sophie Delguste - 1:23:48

Top points: Diede Diederiks - 78.75 pts

Field: 13/13 finishers, SOF 68.47

Men race summary

22 finishers from 25 starters · SOF 79.61

Winner
Cameron Main
3:39:37
Winning margin
+4:14
Gap to second place
Fastest swim
Cameron Main · 22:18
Fastest bike
Joe Skipper · 1:58:34
Fastest run
Cameron Main · 1:11:55
Top points
Cameron Main
83.30 pts

Women race summary

13 finishers from 13 starters · SOF 68.47

Winner
Diede Diederiks
4:09:15
Winning margin
+4:21
Gap to second place
Fastest swim
Molly Savill · 24:05
Fastest bike
Diede Diederiks · 2:11:51
Fastest run
Sophie Delguste · 1:23:48
Top points
Diede Diederiks
78.75 pts

Men split podiums

Fastest stored segment times. These are segment rankings, not cumulative race-position order.

Swim

  1. 1
    Cameron Main
    Finish 1
    22:18
  2. 2
    Paulin Philippe
    Finish 8
    22:20
  3. 3
    Simon Viain
    Finish 4
    22:23

T1

Split unavailable.

Bike

  1. 1
    Joe Skipper
    Finish 5
    1:58:34
  2. 2
    Dieter Comhair
    Finish 2
    2:00:17
  3. 3
    Cameron Main
    Finish 1
    2:01:09

T2

Split unavailable.

Run

  1. 1
    Cameron Main
    Finish 1
    1:11:55
  2. 2
    Dieter Comhair
    Finish 2
    1:15:04
  3. 3
    Pamphiel Pareyn
    Finish 3
    1:15:20
Off-bike and off-run position order needs cumulative split-position data. ProTriStats currently stores segment times and segment ranks, so this page reports the fastest bike split rather than who entered T2 first.

Women split podiums

Fastest stored segment times. These are segment rankings, not cumulative race-position order.

Swim

  1. 1
    Molly Savill
    Finish 6
    24:05
  2. 2
    Jasmine Holmes
    Finish 12
    24:51
  3. 3
    Abigail Bedwell
    Finish 10
    24:52

T1

Split unavailable.

Bike

  1. 1
    Diede Diederiks
    Finish 1
    2:11:51
  2. 2
    Katrine Græsbøll Christensen
    Finish 11
    2:15:25
  3. 3
    Justine Mathieux
    Finish 2
    2:17:25

T2

Split unavailable.

Run

  1. 1
    Sophie Delguste
    Finish 8
    1:23:48
  2. 2
    Justine Mathieux
    Finish 2
    1:24:26
  3. 3
    Diede Diederiks
    Finish 1
    1:24:32
Off-bike and off-run position order needs cumulative split-position data. ProTriStats currently stores segment times and segment ranks, so this page reports the fastest bike split rather than who entered T2 first.

PodiumMen

Winner time: 3:39:37
🥇#1
GB
Cameron Main
3:39:37
83.30 pts
🥈#2
BE
Dieter Comhair
3:43:51
77.33 pts
🥉#3
BE
Pamphiel Pareyn
3:43:56
74.91 pts

PodiumWomen

Winner time: 4:09:15
🥇#1
NL
Diede Diederiks
4:09:15
78.75 pts
🥈#2
FR
Justine Mathieux
4:13:36
73.11 pts
🥉#3
ZA
Bridget Theunissen
4:18:05
67.59 pts

Men · Split Rank Flow

Top finishers by stored split rank. Lower lines are worse ranks; this is not cumulative race position at each checkpoint.

Top 8
#1#5#10SwimBikeRunFinish#1#2#3#4#5#6#7#8
Cameron Main1Dieter Comhair2Pamphiel Pareyn3Simon Viain4Joe Skipper5Thomas Davis6Florent Lefebvre7Paulin Philippe8

Women · Split Rank Flow

Top finishers by stored split rank. Lower lines are worse ranks; this is not cumulative race position at each checkpoint.

Top 8
#1#5#10SwimBikeRunFinish#1#2#3#4#5#6#7#8
Diede Diederiks1Justine Mathieux2Bridget Theunissen3Marie Luyckx4Sofia Aguayo Mauri5Molly Savill6Kyra Meulenberg7Sophie Delguste8

Men · Finish Time Distribution

Women · Finish Time Distribution

Male Pro Results

25 participants

3:39:37
Swim
22:18
Bike
2:01:09
Run
1:11:55
3:43:51
Swim
24:17
Bike
2:00:17
Run
1:15:04
3:43:56
Swim
22:28
Bike
2:01:47
Run
1:15:20
3:45:31
Swim
22:23
Bike
2:02:01
Run
1:16:48
3:46:46
Swim
23:59
Bike
1:58:34
Run
1:18:27
3:47:17
Swim
22:26
Bike
2:04:53
Run
1:15:23
3:48:33
Swim
24:38
Bike
2:02:58
Run
1:16:08
3:48:56
Swim
22:20
Bike
2:01:52
Run
1:18:07
3:49:13
Swim
24:10
Bike
2:03:12
Run
1:17:05
3:49:19
Swim
24:15
Bike
2:03:36
Run
1:16:51
PosAthleteTimeGapSwimT1BikeT2RunPoints
1Cameron MainGB3:39:37Winner22:18—2:01:09—1:11:5583.30
2Dieter ComhairBE3:43:51—24:17—2:00:17—1:15:0477.33
3Pamphiel PareynBE3:43:56—22:28—2:01:47—1:15:2074.91
4Simon ViainFR3:45:31—22:23—2:02:01—1:16:4871.47
5Joe SkipperGB3:46:46—23:59—1:58:34—1:18:2768.47
6Thomas DavisGB3:47:17—22:26—2:04:53—1:15:2366.22
7Florent LefebvreFR3:48:33—24:38—2:02:58—1:16:0863.52
8Paulin PhilippeFR3:48:56—22:20—2:01:52—1:18:0761.66
9Julien HagenBE3:49:13—24:10—2:03:12—1:17:0560.00
10Antonio HernaertBE3:49:19—24:15—2:03:36—1:16:5158.61
11Oliver WaymarkGB3:54:32—25:40—2:03:32—1:19:4753.21
12Ryan LundUS3:58:18—23:15—2:11:17—1:18:0949.07
13Will MundayGB3:58:18—23:58—2:08:32—1:20:4449.07
14Sybren BaeldeBE3:59:36—24:10—2:08:40—1:21:4646.06
15Justus BennewitzDE4:00:52—24:43—2:08:21—1:20:2244.18
16Michiel StockmanBE4:01:32—28:12—2:12:57—1:15:3242.84
17Dylan NortjeZA4:02:09—22:41—2:12:18—1:19:4341.61
18Louis HeukemesBE4:02:30—24:13—2:14:26—1:16:5240.66
19Frederik MathiesenDK4:03:12—23:09—2:10:54—1:22:4539.47
20Pieter HeemeryckBE4:05:24—22:49—2:03:37—1:34:3737.13
21Clement MaretCH4:09:54—28:05—2:13:12—1:22:4333.00
22Nicolas QuenetteCA4:26:18—23:17—2:11:21—1:46:0629.44
DNFValentin RouvierFRDNF—22:30—————
DNFSimon DavisGBDNF—24:40—————
DNFMorten SchmidtDEDNF—22:22—————

Female Pro Results

13 participants

4:09:15
Swim
27:52
Bike
2:11:51
Run
1:24:32
4:13:36
Swim
27:01
Bike
2:17:25
Run
1:24:26
4:18:05
Swim
24:59
Bike
2:19:38
Run
1:28:13
4:18:19
Swim
27:03
Bike
2:17:37
Run
1:28:27
4:18:35
Swim
24:55
Bike
2:19:51
Run
1:28:41
4:19:48
Swim
24:05
Bike
2:20:43
Run
1:29:52
4:21:42
Swim
31:56
Bike
2:19:24
Run
1:24:32
4:23:16
Swim
29:29
Bike
2:24:09
Run
1:23:48
4:23:53
Swim
27:46
Bike
2:22:15
Run
1:28:16
4:28:09
Swim
24:52
Bike
2:20:29
Run
1:37:17
PosAthleteTimeGapSwimT1BikeT2RunPoints
1Diede DiederiksNL4:09:15Winner27:52—2:11:51—1:24:3278.75
2Justine MathieuxFR4:13:36—27:01—2:17:25—1:24:2673.11
3Bridget TheunissenZA4:18:05—24:59—2:19:38—1:28:1367.59
4Marie LuyckxBE4:18:19—27:03—2:17:37—1:28:2765.26
5Sofia Aguayo MauriES4:18:35—24:55—2:19:51—1:28:4163.08
6Molly SavillGB4:19:48—24:05—2:20:43—1:29:5260.39
7Kyra MeulenbergNL4:21:42—31:56—2:19:24—1:24:3257.35
8Sophie DelgusteBE4:23:16—29:29—2:24:09—1:23:4854.70
9Eloise Du LuartFR4:23:53—27:46—2:22:15—1:28:1652.83
10Abigail BedwellGB4:28:09—24:52—2:20:29—1:37:1748.50
11Katrine Græsbøll ChristensenDK4:29:11—28:26—2:15:25—1:40:3046.56
12Jasmine HolmesGB4:31:47—24:51—2:19:42—1:41:5043.62
13Katharina LoidlAT4:38:27—28:29—2:25:17—1:39:5037.88