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BOSTON MARATHON 2024

Adam Lazarewicz

Bib: 28997•M

AZ

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
29:36
Rank: #21808
Start → 5K
29:36 | 9:32/mi
10K· 6.21 mi
56:18
Rank: #20130 (+1678)
5K → 10K
26:42 | 8:36/mi
15K· 9.32 mi
1:22:36
Rank: #18963 (+1167)
10K → 15K
26:18 | 8:28/mi
20K· 12.43 mi
1:48:48
Rank: #17791 (+1172)
15K → 20K
26:12 | 8:26/mi
Half· 13.11 mi
1:54:11
Rank: #17512 (+279)
20K → Half
5:23 | 7:53/mi
25K· 15.53 mi
2:14:10
Rank: #16497 (+1015)
Half → 25K
19:59 | 8:15/mi
30K· 18.64 mi
2:39:24
Rank: #15099 (+1398)
25K → 30K
25:14 | 8:07/mi
20M
2:50:41
Rank: #14580 (+519)
30K → 20M
11:17 | 8:18/mi
21M
2:59:38
Rank: #14158 (+422)
20M → 21M
8:57 | 8:57/mi
35K· 21.75 mi
3:05:32
Rank: #13873 (+285)
21M → 35K
5:54 | 7:53/mi
23M
3:16:15
Rank: #13561 (+312)
35K → 23M
10:43 | 8:34/mi
24M
3:25:21
Rank: #13483 (+78)
23M → 24M
9:06 | 9:06/mi
40K· 24.85 mi
3:33:05
Rank: #13336 (+147)
24M → 40K
7:44 | 9:03/mi
25.2M
3:36:37
Rank: #13298 (+38)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:45:13
Rank: #13197 (+101)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:54:11
Pace8:43 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:51:02
Pace8:28 /mi
📊Negative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4029:369:3229:36
9:32
-
10K
6.21 mi12:16:2256:189:0426:42
8:36
-0:56
15K
9.32 mi12:42:401:22:368:5226:18
8:28
-0:08
20K
12.43 mi13:08:521:48:488:4526:12
8:26
-0:02
Half
13.11 mi13:14:151:54:118:435:23
7:53
-0:33
25K
15.53 mi13:34:142:14:108:3819:59
8:15
+0:22
30K
18.64 mi13:59:282:39:248:3325:14
8:07
-0:08
20M
20.00 mi14:10:452:50:418:3211:17
8:18
+0:11
21M
21.00 mi14:19:422:59:388:338:57
8:57
+0:39
35K
21.75 mi14:25:363:05:328:325:54
7:53
-1:04
23M
23.00 mi14:36:193:16:158:3210:43
8:34
+0:41
24M
24.00 mi14:45:253:25:218:339:06
9:06
+0:32
40K
24.85 mi14:53:093:33:058:347:44
9:03
-0:03
25.2M
25.20 mi14:56:413:36:378:363:32
10:15
+1:12
Finish
26.22 mi15:05:173:45:138:368:36
8:26
-1:49

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

7:53 /mi

Average Pace

8:36 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:31

16% of race

Time at Steady Pace

2:09:47

58% of race

Time at Slower Pace

58:55

26% of race

Average Pace: 8:35 /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 mi11:49:4029:369:3229:36
9:32
#21808
10K
6.21 mi12:16:2256:189:0426:42
8:36
#20130
15K
9.32 mi12:42:401:22:368:5226:18
8:28
#18963
20K
12.43 mi13:08:521:48:488:4526:12
8:26
#17791
Half
13.11 mi13:14:151:54:118:435:23
7:53
#17512
25K
15.53 mi13:34:142:14:108:3819:59
8:15
#16497
30K
18.64 mi13:59:282:39:248:3325:14
8:07
#15099
20M
20.00 mi14:10:452:50:418:3211:17
8:18
#14580
21M
21.00 mi14:19:422:59:388:338:57
8:57
#14158
35K
21.75 mi14:25:363:05:328:325:54
7:53
#13873
23M
23.00 mi14:36:193:16:158:3210:43
8:34
#13561
24M
24.00 mi14:45:253:25:218:339:06
9:06
#13483
40K
24.85 mi14:53:093:33:058:347:44
9:03
#13336
25.2M
25.20 mi14:56:413:36:378:363:32
10:15
#13298
Finish
26.22 mi15:05:173:45:138:368:36
8:26
#13197
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi21808129411294116202(Top 63%)10485(Top 72%)10485(Top 522%)
10K6.21 mi3.10 mi20130+167812160+78112160+78117797(Top 70%)11145(Top 76%)11145(Top 555%)
15K9.32 mi3.11 mi18963+116711640+52011640+52016202(Top 63%)10485(Top 72%)10485(Top 522%)
20K12.43 mi3.11 mi17791+117211125+51511125+51514432(Top 56%)9714(Top 67%)9714(Top 484%)
Half13.11 mi0.68 mi17512+27910993+13210993+13211943(Top 47%)8623(Top 59%)8623(Top 429%)
25K15.53 mi2.42 mi16497+101510558+43510558+43511616(Top 45%)8299(Top 57%)8299(Top 413%)
30K18.64 mi3.11 mi15099+13989926+6329926+6328570(Top 34%)6543(Top 45%)6543(Top 326%)
20M20.00 mi1.36 mi14580+5199674+2529674+2528404(Top 33%)6204(Top 43%)6204(Top 309%)
21M21.00 mi1.00 mi14158+4229435+2399435+2398348(Top 33%)5971(Top 41%)5971(Top 297%)
35K21.75 mi0.75 mi13873+2859280+1559280+1557088(Top 28%)5294(Top 36%)5294(Top 264%)
23M23.00 mi1.25 mi13561+3129085+1959085+1958789(Top 34%)6007(Top 41%)6007(Top 299%)
24M24.00 mi1.00 mi13483+789008+779008+7712644(Top 49%)7876(Top 54%)7876(Top 392%)
40K24.85 mi0.85 mi13336+1478906+1028906+10211058(Top 43%)6955(Top 48%)6955(Top 346%)
25.2M25.20 mi0.35 mi13298+388873+338873+3311882(Top 47%)7320(Top 50%)7320(Top 364%)
Finish26.22 mi1.02 mi13197+1018787+868787+8611174(Top 44%)7089(Top 49%)7089(Top 353%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16202

Males

10485

M40-44

10485

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

17797

Males

11145

M40-44

11145

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16202

Males

10485

M40-44

10485

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14432

Males

9714

M40-44

9714

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

11943

Males

8623

M40-44

8623

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11616

Males

8299

M40-44

8299

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

8570

Males

6543

M40-44

6543

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

8404

Males

6204

M40-44

6204

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8348

Males

5971

M40-44

5971

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7088

Males

5294

M40-44

5294

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

8789

Males

6007

M40-44

6007

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

12644

Males

7876

M40-44

7876

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11058

Males

6955

M40-44

6955

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

11882

Males

7320

M40-44

7320

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11174

Males

7089

M40-44

7089

Passing Analysis

Category:
Athletes Passed
8752
Passed By
141
Net Change
+8611
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21808
5K → 10K16813+1678#21808#20130
10K → 15K11681+1167#20130#18963
15K → 20K11720+1172#18963#17791
20K → Half2790+279#17791#17512
Half → 25K10150+1015#17512#16497
25K → 30K13980+1398#16497#15099
30K → 20M5201+519#15099#14580
20M → 21M4253+422#14580#14158
21M → 35K2861+285#14158#13873
35K → 23M3219+312#13873#13561
23M → 24M12749+78#13561#13483
24M → 40K17124+147#13483#13336
40K → 25.2M6224+38#13336#13298
25.2M → Finish12726+101#13298#13197
TOTALS8752141+8611
📊

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