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BOSTON MARATHON 2024

Jan Lennertz

Bib: 8259•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 14%
Gender (Male)
#0 / 14578
Top 22%
Masters (Masters Men)
#0 / 9729
Top 11%
Division (M40-44)
#0 / 2009
Top 29%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:44
Rank: #2401
Start → 5K
19:44 | 6:21/mi
10K· 6.21 mi
40:13
Rank: #2986 (-585)
5K → 10K
20:29 | 6:36/mi
15K· 9.32 mi
1:01:06
Rank: #3311 (-325)
10K → 15K
20:53 | 6:43/mi
20K· 12.43 mi
1:22:16
Rank: #3401 (-90)
15K → 20K
21:10 | 6:49/mi
Half· 13.11 mi
1:26:50
Rank: #3417 (-16)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:43:35
Rank: #3422 (-5)
Half → 25K
16:45 | 6:55/mi
30K· 18.64 mi
2:05:46
Rank: #3355 (+67)
25K → 30K
22:11 | 7:08/mi
20M
2:15:30
Rank: #3280 (+75)
30K → 20M
9:44 | 7:10/mi
21M
2:23:10
Rank: #3226 (+54)
20M → 21M
7:40 | 7:40/mi
35K· 21.75 mi
2:28:31
Rank: #3231 (-5)
21M → 35K
5:21 | 7:09/mi
23M
2:38:34
Rank: #3369 (-138)
35K → 23M
10:03 | 8:02/mi
24M
2:45:56
Rank: #3364 (+5)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
2:53:23
Rank: #3522 (-158)
24M → 40K
7:27 | 8:43/mi
25.2M
2:56:16
Rank: #3496 (+26)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:03:43
Rank: #3473 (+23)
25.2M → Finish
7:27 | 7:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:50
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:36:53
Pace7:23 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:44:4619:446:2119:44
6:21
-
10K
6.21 mi11:05:1540:136:2820:29
6:36
+0:15
15K
9.32 mi11:26:081:01:066:3320:53
6:43
+0:07
20K
12.43 mi11:47:181:22:166:3721:10
6:49
+0:06
Half
13.11 mi11:51:521:26:506:374:34
6:42
-0:07
25K
15.53 mi12:08:371:43:356:4016:45
6:55
+0:13
30K
18.64 mi12:30:482:05:466:4522:11
7:08
+0:13
20M
20.00 mi12:40:322:15:306:469:44
7:10
+0:02
21M
21.00 mi12:48:122:23:106:497:40
7:40
+0:30
35K
21.75 mi12:53:332:28:316:505:21
7:09
-0:31
23M
23.00 mi13:03:362:38:346:5410:03
8:02
+0:53
24M
24.00 mi13:10:582:45:566:557:22
7:22
-0:40
40K
24.85 mi13:18:252:53:236:597:27
8:43
+1:21
25.2M
25.20 mi13:21:182:56:167:002:53
8:22
-0:21
Finish
26.22 mi13:28:453:03:437:017:27
7:19
-1:03

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

6:21 /mi

Average Pace

7:01 /mi

Slowest Pace

8:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:50

47% of race

Time at Steady Pace

1:08:50

37% of race

Time at Slower Pace

28:03

15% of race

Average Pace: 7:00 /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 mi10:44:4619:446:2119:44
6:21
#2401
10K
6.21 mi11:05:1540:136:2820:29
6:36
#2986
15K
9.32 mi11:26:081:01:066:3320:53
6:43
#3311
20K
12.43 mi11:47:181:22:166:3721:10
6:49
#3401
Half
13.11 mi11:51:521:26:506:374:34
6:42
#3417
25K
15.53 mi12:08:371:43:356:4016:45
6:55
#3422
30K
18.64 mi12:30:482:05:466:4522:11
7:08
#3355
20M
20.00 mi12:40:322:15:306:469:44
7:10
#3280
21M
21.00 mi12:48:122:23:106:497:40
7:40
#3226
35K
21.75 mi12:53:332:28:316:505:21
7:09
#3231
23M
23.00 mi13:03:362:38:346:5410:03
8:02
#3369
24M
24.00 mi13:10:582:45:566:557:22
7:22
#3364
40K
24.85 mi13:18:252:53:236:597:27
8:43
#3522
25.2M
25.20 mi13:21:182:56:167:002:53
8:22
#3496
Finish
26.22 mi13:28:453:03:437:017:27
7:19
#3473
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2401231723174069(Top 16%)3823(Top 26%)3823(Top 190%)
10K6.21 mi3.10 mi2986-5852856-5392856-5393564(Top 14%)3375(Top 23%)3375(Top 168%)
15K9.32 mi3.11 mi3311-3253150-2943150-2944069(Top 16%)3823(Top 26%)3823(Top 190%)
20K12.43 mi3.11 mi3401-903234-843234-843944(Top 15%)3692(Top 25%)3692(Top 184%)
Half13.11 mi0.68 mi3417-163250-163250-163718(Top 15%)3488(Top 24%)3488(Top 174%)
25K15.53 mi2.42 mi3422-53246+43246+43847(Top 15%)3569(Top 24%)3569(Top 178%)
30K18.64 mi3.11 mi3355+673170+763170+763520(Top 14%)3216(Top 22%)3216(Top 160%)
20M20.00 mi1.36 mi3280+753088+823088+823009(Top 12%)2750(Top 19%)2750(Top 137%)
21M21.00 mi1.00 mi3226+543035+533035+533041(Top 12%)2734(Top 19%)2734(Top 136%)
35K21.75 mi0.75 mi3231-53029+63029+63583(Top 14%)3158(Top 22%)3158(Top 157%)
23M23.00 mi1.25 mi3369-1383139-1103139-1105856(Top 23%)4438(Top 30%)4438(Top 221%)
24M24.00 mi1.00 mi3364+53127+123127+123595(Top 14%)3046(Top 21%)3046(Top 152%)
40K24.85 mi0.85 mi3522-1583253-1263253-1269418(Top 37%)6096(Top 42%)6096(Top 303%)
25.2M25.20 mi0.35 mi3496+263221+323221+323883(Top 15%)3084(Top 21%)3084(Top 154%)
Finish26.22 mi1.02 mi3473+233191+303191+304555(Top 18%)3540(Top 24%)3540(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4069

Males

3823

M40-44

3823

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3564

Males

3375

M40-44

3375

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4069

Males

3823

M40-44

3823

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3944

Males

3692

M40-44

3692

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3718

Males

3488

M40-44

3488

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3847

Males

3569

M40-44

3569

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3520

Males

3216

M40-44

3216

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3009

Males

2750

M40-44

2750

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3041

Males

2734

M40-44

2734

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3583

Males

3158

M40-44

3158

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

5856

Males

4438

M40-44

4438

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3595

Males

3046

M40-44

3046

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9418

Males

6096

M40-44

6096

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3883

Males

3084

M40-44

3084

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4555

Males

3540

M40-44

3540

Passing Analysis

Category:
Athletes Passed
1006
Passed By
2078
Net Change
-1072
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2401
5K → 10K27612-585#2401#2986
10K → 15K33358-325#2986#3311
15K → 20K85175-90#3311#3401
20K → Half1632-16#3401#3417
Half → 25K129134-5#3417#3422
25K → 30K208141+67#3422#3355
30K → 20M11944+75#3355#3280
20M → 21M9945+54#3280#3226
21M → 35K5257-5#3226#3231
35K → 23M49187-138#3231#3369
23M → 24M6762+5#3369#3364
24M → 40K16174-158#3364#3522
40K → 25.2M4418+26#3522#3496
25.2M → Finish6239+23#3496#3473
TOTALS10062078-1072
📊

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