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BOSTON MARATHON 2023

Collin Klomp

Bib: 2790•M

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 23%
Gender (Male)
#0 / 15176
Top 36%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:35
Rank: #3068
Start → 5K
20:35 | 6:38/mi
10K· 6.21 mi
41:37
Rank: #3957 (-889)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:02:43
Rank: #4308 (-351)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:23:59
Rank: #4428 (-120)
15K → 20K
21:16 | 6:51/mi
Half· 13.11 mi
1:28:32
Rank: #4397 (+31)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:45:13
Rank: #4432 (-35)
Half → 25K
16:41 | 6:53/mi
30K· 18.64 mi
2:07:02
Rank: #4439 (-7)
25K → 30K
21:49 | 7:01/mi
20M
2:16:46
Rank: #4495 (-56)
30K → 20M
9:44 | 7:10/mi
21M
2:24:36
Rank: #4625 (-130)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:29:50
Rank: #4649 (-24)
21M → 35K
5:14 | 7:00/mi
23M
2:39:21
Rank: #4770 (-121)
35K → 23M
9:31 | 7:36/mi
24M
2:47:03
Rank: #4925 (-155)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
2:54:40
Rank: #5211 (-286)
24M → 40K
7:37 | 8:54/mi
25.2M
2:58:45
Rank: #5524 (-313)
40K → 25.2M
4:05 | 11:50/mi
Finish· 26.22 mi
3:08:56
Rank: #6174 (-650)
25.2M → Finish
10:11 | 10:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:32
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:40:24
Pace7:40 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3420:356:3820:35
6:38
-
10K
6.21 mi10:42:3641:376:4221:02
6:46
+0:08
15K
9.32 mi11:03:421:02:436:4421:06
6:47
+0:01
20K
12.43 mi11:24:581:23:596:4521:16
6:51
+0:04
Half
13.11 mi11:29:311:28:326:454:33
6:40
-0:11
25K
15.53 mi11:46:121:45:136:4616:41
6:53
+0:13
30K
18.64 mi12:08:012:07:026:4921:49
7:01
+0:08
20M
20.00 mi12:17:452:16:466:509:44
7:10
+0:09
21M
21.00 mi12:25:352:24:366:537:50
7:50
+0:40
35K
21.75 mi12:30:492:29:506:535:14
7:00
-0:50
23M
23.00 mi12:40:202:39:216:569:31
7:36
+0:36
24M
24.00 mi12:48:022:47:036:587:42
7:42
+0:06
40K
24.85 mi12:55:392:54:407:027:37
8:54
+1:12
25.2M
25.20 mi12:59:442:58:457:064:05
11:50
+2:56
Finish
26.22 mi13:09:553:08:567:1310:11
10:00
-1:50

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:38 /mi

Average Pace

7:13 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:39:13

84% of race

Time at Slower Pace

29:43

16% of race

Average Pace: 7:12 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:3420:356:3820:35
6:38
#3068
10K
6.21 mi10:42:3641:376:4221:02
6:46
#3957
15K
9.32 mi11:03:421:02:436:4421:06
6:47
#4308
20K
12.43 mi11:24:581:23:596:4521:16
6:51
#4428
Half
13.11 mi11:29:311:28:326:454:33
6:40
#4397
25K
15.53 mi11:46:121:45:136:4616:41
6:53
#4432
30K
18.64 mi12:08:012:07:026:4921:49
7:01
#4439
20M
20.00 mi12:17:452:16:466:509:44
7:10
#4495
21M
21.00 mi12:25:352:24:366:537:50
7:50
#4625
35K
21.75 mi12:30:492:29:506:535:14
7:00
#4649
23M
23.00 mi12:40:202:39:216:569:31
7:36
#4770
24M
24.00 mi12:48:022:47:036:587:42
7:42
#4925
40K
24.85 mi12:55:392:54:407:027:37
8:54
#5211
25.2M
25.20 mi12:59:442:58:457:064:05
11:50
#5524
Finish
26.22 mi13:09:553:08:567:1310:11
10:00
#6174
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3068290829085037(Top 19%)4677(Top 31%)4677(Top 88%)
10K6.21 mi3.10 mi3957-8893726-8183726-8185004(Top 19%)4636(Top 31%)4636(Top 88%)
15K9.32 mi3.11 mi4308-3514035-3094035-3095037(Top 19%)4677(Top 31%)4677(Top 88%)
20K12.43 mi3.11 mi4428-1204142-1074142-1074883(Top 18%)4535(Top 30%)4535(Top 86%)
Half13.11 mi0.68 mi4397+314116+264116+264121(Top 15%)3873(Top 26%)3873(Top 73%)
25K15.53 mi2.42 mi4432-354145-294145-294831(Top 18%)4477(Top 30%)4477(Top 85%)
30K18.64 mi3.11 mi4439-74147-24147-24506(Top 17%)4174(Top 28%)4174(Top 79%)
20M20.00 mi1.36 mi4495-564192-454192-454933(Top 19%)4488(Top 30%)4488(Top 85%)
21M21.00 mi1.00 mi4625-1304306-1144306-1146329(Top 24%)5433(Top 36%)5433(Top 103%)
35K21.75 mi0.75 mi4649-244329-234329-235320(Top 20%)4748(Top 31%)4748(Top 90%)
23M23.00 mi1.25 mi4770-1214430-1014430-1017062(Top 27%)5857(Top 39%)5857(Top 111%)
24M24.00 mi1.00 mi4925-1554546-1164546-1169047(Top 34%)6903(Top 45%)6903(Top 131%)
40K24.85 mi0.85 mi5211-2864778-2324778-23215617(Top 59%)9943(Top 66%)9943(Top 188%)
25.2M25.20 mi0.35 mi5524-3135032-2545032-25422179(Top 83%)12920(Top 85%)12920(Top 244%)
Finish26.22 mi1.02 mi6174-6505509-4775509-47721721(Top 82%)12727(Top 84%)12727(Top 241%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5037

Males

4677

M18-39

4677

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5004

Males

4636

M18-39

4636

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5037

Males

4677

M18-39

4677

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4883

Males

4535

M18-39

4535

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4121

Males

3873

M18-39

3873

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4831

Males

4477

M18-39

4477

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4506

Males

4174

M18-39

4174

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

4933

Males

4488

M18-39

4488

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6329

Males

5433

M18-39

5433

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5320

Males

4748

M18-39

4748

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7062

Males

5857

M18-39

5857

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9047

Males

6903

M18-39

6903

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15617

Males

9943

M18-39

9943

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22179

Males

12920

M18-39

12920

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21721

Males

12727

M18-39

12727

Passing Analysis

Category:
Athletes Passed
538
Passed By
3644
Net Change
-3106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3068
5K → 10K20909-889#3068#3957
10K → 15K34385-351#3957#4308
15K → 20K68188-120#4308#4428
20K → Half409+31#4428#4397
Half → 25K82117-35#4397#4432
25K → 30K117124-7#4432#4439
30K → 20M47103-56#4439#4495
20M → 21M27157-130#4495#4625
21M → 35K3559-24#4625#4649
35K → 23M41162-121#4649#4770
23M → 24M15170-155#4770#4925
24M → 40K7293-286#4925#5211
40K → 25.2M2315-313#5211#5524
25.2M → Finish3653-650#5524#6174
TOTALS5383644-3106
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing