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BOSTON MARATHON 2024

Joe Kotlowski

Bib: 8565•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M40-44)
#0 / 2009
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:55
Rank: #5105
Start → 5K
20:55 | 6:44/mi
10K· 6.21 mi
41:46
Rank: #4747 (+358)
5K → 10K
20:51 | 6:43/mi
15K· 9.32 mi
1:02:31
Rank: #4386 (+361)
10K → 15K
20:45 | 6:41/mi
20K· 12.43 mi
1:23:32
Rank: #4126 (+260)
15K → 20K
21:01 | 6:46/mi
Half· 13.11 mi
1:28:08
Rank: #4109 (+17)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:51
Rank: #4454 (-345)
Half → 25K
17:43 | 7:18/mi
30K· 18.64 mi
2:13:27
Rank: #5918 (-1464)
25K → 30K
27:36 | 8:53/mi
20M
2:26:39
Rank: #6637 (-719)
30K → 20M
13:12 | 9:43/mi
21M
2:38:01
Rank: #7401 (-764)
20M → 21M
11:22 | 11:22/mi
35K· 21.75 mi
2:46:39
Rank: #8173 (-772)
21M → 35K
8:38 | 11:32/mi
23M
3:03:19
Rank: #9922 (-1749)
35K → 23M
16:40 | 13:19/mi
24M
3:16:08
Rank: #11053 (-1131)
23M → 24M
12:49 | 12:49/mi
40K· 24.85 mi
3:27:50
Rank: #12068 (-1015)
24M → 40K
11:42 | 13:41/mi
25.2M
3:32:40
Rank: #12329 (-261)
40K → 25.2M
4:50 | 14:01/mi
Finish· 26.22 mi
3:46:29
Rank: #13479 (-1150)
25.2M → Finish
13:49 | 13:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:08
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time2:18:21
Pace10:33 /mi
📊Positive Split: 57.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2120:556:4420:55
6:44
-
10K
6.21 mi11:07:1241:466:4320:51
6:43
-0:01
15K
9.32 mi11:27:571:02:316:4220:45
6:41
-0:02
20K
12.43 mi11:48:581:23:326:4321:01
6:46
+0:05
Half
13.11 mi11:53:341:28:086:434:36
6:45
-0:01
25K
15.53 mi12:11:171:45:516:4917:43
7:18
+0:33
30K
18.64 mi12:38:532:13:277:1027:36
8:53
+1:35
20M
20.00 mi12:52:052:26:397:2013:12
9:43
+0:50
21M
21.00 mi13:03:272:38:017:3111:22
11:22
+1:39
35K
21.75 mi13:12:052:46:397:408:38
11:32
+0:10
23M
23.00 mi13:28:453:03:197:5816:40
13:19
+1:47
24M
24.00 mi13:41:343:16:088:1012:49
12:49
-0:30
40K
24.85 mi13:53:163:27:508:2211:42
13:41
+0:52
25.2M
25.20 mi13:58:063:32:408:264:50
14:01
+0:20
Finish
26.22 mi14:11:553:46:298:3913:49
13:34
-0:27

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

6:41 /mi

Average Pace

8:39 /mi

Slowest Pace

14:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:51

47% of race

Time at Steady Pace

40:48

18% of race

Time at Slower Pace

1:19:50

35% of race

Average Pace: 8:38 /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 mi10:46:2120:556:4420:55
6:44
#5105
10K
6.21 mi11:07:1241:466:4320:51
6:43
#4747
15K
9.32 mi11:27:571:02:316:4220:45
6:41
#4386
20K
12.43 mi11:48:581:23:326:4321:01
6:46
#4126
Half
13.11 mi11:53:341:28:086:434:36
6:45
#4109
25K
15.53 mi12:11:171:45:516:4917:43
7:18
#4454
30K
18.64 mi12:38:532:13:277:1027:36
8:53
#5918
20M
20.00 mi12:52:052:26:397:2013:12
9:43
#6637
21M
21.00 mi13:03:272:38:017:3111:22
11:22
#7401
35K
21.75 mi13:12:052:46:397:408:38
11:32
#8173
23M
23.00 mi13:28:453:03:197:5816:40
13:19
#9922
24M
24.00 mi13:41:343:16:088:1012:49
12:49
#11053
40K
24.85 mi13:53:163:27:508:2211:42
13:41
#12068
25.2M
25.20 mi13:58:063:32:408:264:50
14:01
#12329
Finish
26.22 mi14:11:553:46:298:3913:49
13:34
#13479
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5105472847283786(Top 15%)3568(Top 24%)3568(Top 178%)
10K6.21 mi3.10 mi4747+3584424+3044424+3044429(Top 17%)4142(Top 28%)4142(Top 206%)
15K9.32 mi3.11 mi4386+3614106+3184106+3183786(Top 15%)3568(Top 24%)3568(Top 178%)
20K12.43 mi3.11 mi4126+2603878+2283878+2283628(Top 14%)3422(Top 23%)3422(Top 170%)
Half13.11 mi0.68 mi4109+173863+153863+154160(Top 16%)3884(Top 27%)3884(Top 193%)
25K15.53 mi2.42 mi4454-3454146-2834146-2835867(Top 23%)5102(Top 35%)5102(Top 254%)
30K18.64 mi3.11 mi5918-14645233-10875233-108712658(Top 50%)8546(Top 59%)8546(Top 425%)
20M20.00 mi1.36 mi6637-7195705-4725705-47215387(Top 60%)9464(Top 65%)9464(Top 471%)
21M21.00 mi1.00 mi7401-7646155-4506155-45017302(Top 68%)10263(Top 70%)10263(Top 511%)
35K21.75 mi0.75 mi8173-7726557-4026557-40220920(Top 82%)12087(Top 83%)12087(Top 602%)
23M23.00 mi1.25 mi9922-17497406-8497406-84922987(Top 90%)13110(Top 90%)13110(Top 653%)
24M24.00 mi1.00 mi11053-11317914-5087914-50822775(Top 89%)12942(Top 89%)12942(Top 644%)
40K24.85 mi0.85 mi12068-10158333-4198333-41923244(Top 91%)13152(Top 90%)13152(Top 655%)
25.2M25.20 mi0.35 mi12329-2618436-1038436-10321592(Top 85%)12276(Top 84%)12276(Top 611%)
Finish26.22 mi1.02 mi13479-11508908-4728908-47224719(Top 97%)13993(Top 96%)13993(Top 697%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3786

Males

3568

M40-44

3568

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4429

Males

4142

M40-44

4142

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3786

Males

3568

M40-44

3568

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3628

Males

3422

M40-44

3422

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4160

Males

3884

M40-44

3884

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

5867

Males

5102

M40-44

5102

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

12658

Males

8546

M40-44

8546

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15387

Males

9464

M40-44

9464

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

17302

Males

10263

M40-44

10263

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

20920

Males

12087

M40-44

12087

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

22987

Males

13110

M40-44

13110

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

22775

Males

12942

M40-44

12942

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

23244

Males

13152

M40-44

13152

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

21592

Males

12276

M40-44

12276

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

24719

Males

13993

M40-44

13993

Passing Analysis

Category:
Athletes Passed
1284
Passed By
9656
Net Change
-8374
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5105
5K → 10K40850+358#5105#4747
10K → 15K37211+361#4747#4386
15K → 20K29434+260#4386#4126
20K → Half3720+17#4126#4109
Half → 25K64409-345#4109#4454
25K → 30K181482-1464#4454#5918
30K → 20M19738-719#5918#6637
20M → 21M11775-764#6637#7401
21M → 35K10782-772#7401#8173
35K → 23M141762-1749#8173#9922
23M → 24M81138-1131#9922#11053
24M → 40K91024-1015#11053#12068
40K → 25.2M7268-261#12068#12329
25.2M → Finish131163-1150#12329#13479
TOTALS12849656-8374
📊

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