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2018 Ironman Boulder

June 9, 2018 · Boulder, CO, United States

Data: Ironman™ · Updated 7/4/2025 · Quality: unknownHow data works

Race editions

Switch year or compare this race across stored editions.

2019201820172014
Distance
Iron (140.6 miles)
Middle Distance
Field size
39
24 men · 15 women
Men SOF
Unavailable
Women SOF
Unavailable

Race story in the data

Men: Chris Leiferman won in 8:07:55 with a +5:21 margin. Patrick Mckeon had the fastest run (2:58:42).

Women: Kirsty Jahn won in 9:16:12 with a +3:08 margin. Kirsty Jahn had the fastest run (3:21:59).

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Race summary

2018 Ironman Boulder 2018 - Men

ProTriStats

Winner: Chris Leiferman in 8:07:55

Margin: +5:21

Fastest bike: Sam Long - 4:09:49

Fastest run: Patrick Mckeon - 2:58:42

Top points: Chris Leiferman - 86.07 pts

Field: 17/24 finishers

Race summary

2018 Ironman Boulder 2018 - Women

ProTriStats

Winner: Kirsty Jahn in 9:16:12

Margin: +3:08

Fastest bike: Angela Naeth - 4:39:04

Fastest run: Kirsty Jahn - 3:21:59

Top points: Kirsty Jahn - 74.98 pts

Field: 11/15 finishers

Men race summary

17 finishers from 24 starters

Winner
Chris Leiferman
8:07:55
Winning margin
+5:21
Gap to second place
Fastest swim
Kevin Collington · 49:50
Fastest bike
Sam Long · 4:09:49
Fastest run
Patrick Mckeon · 2:58:42
Top points
Chris Leiferman
86.07 pts

Women race summary

11 finishers from 15 starters

Winner
Kirsty Jahn
9:16:12
Winning margin
+3:08
Gap to second place
Fastest swim
Katy Evans · 54:29
Fastest bike
Angela Naeth · 4:39:04
Fastest run
Kirsty Jahn · 3:21:59
Top points
Kirsty Jahn
74.98 pts

Men split podiums

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

Swim

  1. 1
    Kevin Collington
    Finish 4
    49:50
  2. 2
    Justin Metzler
    Finish 13
    49:52
  3. 3
    Joe Gambles
    Finish 2
    49:55

T1

Split unavailable.

Bike

  1. 1
    Sam Long
    Finish 5
    4:09:49
  2. 2
    Chris Leiferman
    Finish 1
    4:09:55
  3. 3
    Jonathan Shearon
    Finish 6
    4:13:26

T2

Split unavailable.

Run

  1. 1
    Patrick Mckeon
    Finish 3
    2:58:42
  2. 2
    Chris Leiferman
    Finish 1
    2:59:02
  3. 3
    Joe Gambles
    Finish 2
    3:00:46
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
    Katy Evans
    Finish 2
    54:29
  2. 2
    Dede Griesbauer
    Finish 3
    54:34
  3. 3
    Emma-Kate Lidbury
    Finish 10
    58:34

T1

Split unavailable.

Bike

  1. 1
    Angela Naeth
    Finish 6
    4:39:04
  2. 2
    Dede Griesbauer
    Finish 3
    4:44:21
  3. 3
    Kirsty Jahn
    Finish 1
    4:47:31

T2

Split unavailable.

Run

  1. 1
    Kirsty Jahn
    Finish 1
    3:21:59
  2. 2
    Katy Evans
    Finish 2
    3:24:41
  3. 3
    Ashley Paulson
    Finish 8
    3:26:30
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: 8:07:55
🥇#1
US
Chris Leiferman
8:07:55
86.07 pts
🥈#2
AU
Joe Gambles
8:13:16
78.61 pts
🥉#3
US
Patrick Mckeon
8:20:48
68.10 pts

PodiumWomen

Winner time: 9:16:12
🥇#1
CA
Kirsty Jahn
9:16:12
74.98 pts
🥈#2
US
Katy Evans
9:19:20
71.09 pts
🥉#3
US
Dede Griesbauer
9:36:55
49.22 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
Chris Leiferman1Joe Gambles2Patrick Mckeon3Kevin Collington4Sam Long5Jonathan Shearon6Justin Daerr7Steve Mantell8

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
Kirsty Jahn1Katy Evans2Dede Griesbauer3Erin Green4Kimberly Goodell5Angela Naeth6Sarah Jarvis7Ashley Paulson8

Men · Finish Time Distribution

Women · Finish Time Distribution

Male Pro Results

24 participants

8:07:55
Swim
54:34
Bike
4:09:55
Run
2:59:02
8:13:16
Swim
49:55
Bike
4:17:40
Run
3:00:46
8:20:48
Swim
54:37
Bike
4:21:55
Run
2:58:42
8:26:16
Swim
49:50
Bike
4:23:41
Run
3:08:33
8:29:56
Swim
55:11
Bike
4:09:49
Run
3:20:54
8:34:31
Swim
54:40
Bike
4:13:26
Run
3:20:55
8:39:30
Swim
54:31
Bike
4:28:04
Run
3:11:27
8:40:11
Swim
54:40
Bike
4:33:38
Run
3:04:52
9:00:49
Swim
53:24
Bike
4:39:42
Run
3:22:44
9:04:20
Swim
1:01:58
Bike
4:42:17
Run
3:13:47
PosAthleteTimeGapSwimT1BikeT2RunPoints
1Chris LeifermanUS8:07:55Winner54:34—4:09:55—2:59:0286.07
2Joe GamblesAU8:13:16—49:55—4:17:40—3:00:4678.61
3Patrick MckeonUS8:20:48—54:37—4:21:55—2:58:4268.10
4Kevin CollingtonUS8:26:16—49:50—4:23:41—3:08:3360.48
5Sam LongUS8:29:56—55:11—4:09:49—3:20:5455.36
6Jonathan ShearonUS8:34:31—54:40—4:13:26—3:20:5548.97
7Justin DaerrUS8:39:30—54:31—4:28:04—3:11:2742.02
8Steve MantellUS8:40:11—54:40—4:33:38—3:04:5241.07
9AJ BauccoUS9:00:49—53:24—4:39:42—3:22:4412.28
10Douglas MacLeanUS9:04:20—1:01:58—4:42:17—3:13:477.38
11Trevor DelsautFR9:04:53—54:37—4:50:51—3:13:426.61
12Mike SchifferleCH9:13:18—1:02:01—4:32:07—3:31:30—
13Justin MetzlerUS9:18:13—49:52—4:32:55—3:50:51—
14Chris McDonaldAU10:11:23—55:13—4:50:18—4:20:30—
15Jonathan FecikUS10:28:44—58:04—4:42:05—4:42:09—
16Brian FoltsUS10:55:44—1:03:00—5:01:13—4:44:20—
17Steven ZawaskiUS11:10:56—54:31—4:30:09—5:40:49—
DNFKennett PetersonUSDNF—54:32—4:21:41———
DNFJason PohlCADNF—1:03:34—————
DNFRob ChalfantUSDNF—59:09—————
DNFPaul AmbroseAUDNF—54:31—————
DNFChris SchroederUSDNF—54:30—————
DNFRobbie WadeIEDNF—55:52—4:37:45———
DNFColin LaugheryUSDNF—59:08—4:33:29———

Female Pro Results

15 participants

9:16:12
Swim
1:00:25
Bike
4:47:31
Run
3:21:59
9:19:20
Swim
54:29
Bike
4:55:18
Run
3:24:41
9:36:55
Swim
54:34
Bike
4:44:21
Run
3:51:25
9:49:18
Swim
1:00:29
Bike
5:06:22
Run
3:35:44
9:52:51
Swim
1:03:45
Bike
5:01:26
Run
3:42:16
9:55:18
Swim
1:00:23
Bike
4:39:04
Run
4:10:01
9:59:45
Swim
1:00:20
Bike
5:05:01
Run
3:48:35
10:01:42
Swim
1:14:08
Bike
5:14:58
Run
3:26:30
10:17:19
Swim
1:13:36
Bike
5:05:36
Run
3:52:22
10:21:20
Swim
58:34
Bike
4:58:16
Run
4:15:16
PosAthleteTimeGapSwimT1BikeT2RunPoints
1Kirsty JahnCA9:16:12Winner1:00:25—4:47:31—3:21:5974.98
2Katy EvansUS9:19:20—54:29—4:55:18—3:24:4171.09
3Dede GriesbauerUS9:36:55—54:34—4:44:21—3:51:2549.22
4Erin GreenUS9:49:18—1:00:29—5:06:22—3:35:4433.82
5Kimberly GoodellUS9:52:51—1:03:45—5:01:26—3:42:1629.41
6Angela NaethUS9:55:18—1:00:23—4:39:04—4:10:0126.36
7Sarah JarvisDE9:59:45—1:00:20—5:05:01—3:48:3520.82
8Ashley PaulsonUS10:01:42—1:14:08—5:14:58—3:26:3018.40
9Palmira AlvarezMX10:17:19—1:13:36—5:05:36—3:52:22—
10Emma-Kate LidburyGB10:21:20—58:34—4:58:16—4:15:16—
11Monica FoltsUS11:21:41—1:13:34—5:28:21—4:32:01—
DNFAdelaide PerrUSDNF—1:04:25—————
DNFUli BrommeUSDNF—1:05:33—————
DNFAmanda WendorffUSDNF—58:38—4:46:42———
DNFAnne BassoFRDNF—1:04:37—5:17:05———