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BOSTON MARATHON 2024

Jos Janssen

Bib: 4949•M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 14%
Gender (Male)
#0 / 14578
Top 22%
Division (M18-39)
#0 / 4849
Top 45%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:36
Rank: #4241
Start → 5K
20:36 | 6:38/mi
10K· 6.21 mi
41:37
Rank: #4518 (-277)
5K → 10K
21:01 | 6:46/mi
15K· 9.32 mi
1:02:39
Rank: #4481 (+37)
10K → 15K
21:02 | 6:46/mi
20K· 12.43 mi
1:23:48
Rank: #4270 (+211)
15K → 20K
21:09 | 6:48/mi
Half· 13.11 mi
1:28:23
Rank: #4249 (+21)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:44:55
Rank: #4016 (+233)
Half → 25K
16:32 | 6:49/mi
30K· 18.64 mi
2:06:56
Rank: #3765 (+251)
25K → 30K
22:01 | 7:05/mi
20M
2:16:54
Rank: #3706 (+59)
30K → 20M
9:58 | 7:20/mi
21M
2:24:38
Rank: #3639 (+67)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:30:04
Rank: #3630 (+9)
21M → 35K
5:26 | 7:16/mi
23M
2:39:42
Rank: #3634 (-4)
35K → 23M
9:38 | 7:42/mi
24M
2:47:29
Rank: #3661 (-27)
23M → 24M
7:47 | 7:47/mi
40K· 24.85 mi
2:54:04
Rank: #3653 (+8)
24M → 40K
6:35 | 7:42/mi
25.2M
2:56:56
Rank: #3623 (+30)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:04:18
Rank: #3575 (+48)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:23
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:35:55
Pace7:19 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2120:366:3820:36
6:38
-
10K
6.21 mi11:11:2241:376:4221:01
6:46
+0:08
15K
9.32 mi11:32:241:02:396:4321:02
6:46
0:00
20K
12.43 mi11:53:331:23:486:4521:09
6:48
+0:02
Half
13.11 mi11:58:081:28:236:454:35
6:43
-0:05
25K
15.53 mi12:14:401:44:556:4516:32
6:49
+0:06
30K
18.64 mi12:36:412:06:566:4922:01
7:05
+0:16
20M
20.00 mi12:46:392:16:546:519:58
7:20
+0:15
21M
21.00 mi12:54:232:24:386:537:44
7:44
+0:24
35K
21.75 mi12:59:492:30:046:545:26
7:16
-0:28
23M
23.00 mi13:09:272:39:426:579:38
7:42
+0:26
24M
24.00 mi13:17:142:47:296:597:47
7:47
+0:05
40K
24.85 mi13:23:492:54:047:006:35
7:42
-0:05
25.2M
25.20 mi13:26:412:56:567:012:52
8:19
+0:37
Finish
26.22 mi13:34:033:04:187:027:22
7:14
-1:05

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

7:02 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:55

57% of race

Time at Steady Pace

44:47

24% of race

Time at Slower Pace

34:36

19% of race

Average Pace: 7:02 /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 mi10:50:2120:366:3820:36
6:38
#4241
10K
6.21 mi11:11:2241:376:4221:01
6:46
#4518
15K
9.32 mi11:32:241:02:396:4321:02
6:46
#4481
20K
12.43 mi11:53:331:23:486:4521:09
6:48
#4270
Half
13.11 mi11:58:081:28:236:454:35
6:43
#4249
25K
15.53 mi12:14:401:44:556:4516:32
6:49
#4016
30K
18.64 mi12:36:412:06:566:4922:01
7:05
#3765
20M
20.00 mi12:46:392:16:546:519:58
7:20
#3706
21M
21.00 mi12:54:232:24:386:537:44
7:44
#3639
35K
21.75 mi12:59:492:30:046:545:26
7:16
#3630
23M
23.00 mi13:09:272:39:426:579:38
7:42
#3634
24M
24.00 mi13:17:142:47:296:597:47
7:47
#3661
40K
24.85 mi13:23:492:54:047:006:35
7:42
#3653
25.2M
25.20 mi13:26:412:56:567:012:52
8:19
#3623
Finish
26.22 mi13:34:033:04:187:027:22
7:14
#3575
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4241399739974467(Top 17%)4165(Top 29%)4165(Top 86%)
10K6.21 mi3.10 mi4518-2774227-2304227-2304853(Top 19%)4502(Top 31%)4502(Top 93%)
15K9.32 mi3.11 mi4481+374188+394188+394467(Top 17%)4165(Top 29%)4165(Top 86%)
20K12.43 mi3.11 mi4270+2113994+1943994+1943902(Top 15%)3655(Top 25%)3655(Top 75%)
Half13.11 mi0.68 mi4249+213982+123982+123894(Top 15%)3642(Top 25%)3642(Top 75%)
25K15.53 mi2.42 mi4016+2333771+2113771+2113316(Top 13%)3110(Top 21%)3110(Top 64%)
30K18.64 mi3.11 mi3765+2513533+2383533+2383283(Top 13%)3022(Top 21%)3022(Top 62%)
20M20.00 mi1.36 mi3706+593470+633470+633681(Top 14%)3315(Top 23%)3315(Top 68%)
21M21.00 mi1.00 mi3639+673398+723398+723235(Top 13%)2895(Top 20%)2895(Top 60%)
35K21.75 mi0.75 mi3630+93383+153383+153996(Top 16%)3447(Top 24%)3447(Top 71%)
23M23.00 mi1.25 mi3634-43368+153368+154343(Top 17%)3590(Top 25%)3590(Top 74%)
24M24.00 mi1.00 mi3661-273384-163384-165432(Top 21%)4138(Top 28%)4138(Top 85%)
40K24.85 mi0.85 mi3653+83367+173367+174314(Top 17%)3387(Top 23%)3387(Top 70%)
25.2M25.20 mi0.35 mi3623+303334+333334+333724(Top 15%)2983(Top 20%)2983(Top 62%)
Finish26.22 mi1.02 mi3575+483275+593275+594131(Top 16%)3286(Top 23%)3286(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4467

Males

4165

M18-39

4165

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

4853

Males

4502

M18-39

4502

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4467

Males

4165

M18-39

4165

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3902

Males

3655

M18-39

3655

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3894

Males

3642

M18-39

3642

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3316

Males

3110

M18-39

3110

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3283

Males

3022

M18-39

3022

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3681

Males

3315

M18-39

3315

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3235

Males

2895

M18-39

2895

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

3996

Males

3447

M18-39

3447

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4343

Males

3590

M18-39

3590

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5432

Males

4138

M18-39

4138

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4314

Males

3387

M18-39

3387

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3724

Males

2983

M18-39

2983

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4131

Males

3286

M18-39

3286

Passing Analysis

Category:
Athletes Passed
1713
Passed By
1047
Net Change
+666
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4241
5K → 10K92369-277#4241#4518
10K → 15K150113+37#4518#4481
15K → 20K25948+211#4481#4270
20K → Half3716+21#4270#4249
Half → 25K26027+233#4249#4016
25K → 30K31261+251#4016#3765
30K → 20M13172+59#3765#3706
20M → 21M11649+67#3706#3639
21M → 35K5142+9#3639#3630
35K → 23M9397-4#3630#3634
23M → 24M5077-27#3634#3661
24M → 40K4941+8#3661#3653
40K → 25.2M4010+30#3653#3623
25.2M → Finish7325+48#3623#3575
TOTALS17131047+666
📊

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