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BOSTON MARATHON 2025

Steven Lazar

Bib: 1453•M

FL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:36
Rank: #1051
Start → 5K
18:36 | 5:59/mi
10K· 6.21 mi
37:25
Rank: #1143 (-92)
5K → 10K
18:49 | 6:03/mi
15K· 9.32 mi
56:08
Rank: #1122 (+21)
10K → 15K
18:43 | 6:01/mi
20K· 12.43 mi
1:14:48
Rank: #1044 (+78)
15K → 20K
18:40 | 6:00/mi
Half· 13.11 mi
1:18:52
Rank: #1037 (+7)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:33:33
Rank: #1014 (+23)
Half → 25K
14:41 | 6:03/mi
30K· 18.64 mi
1:53:23
Rank: #1072 (-58)
25K → 30K
19:50 | 6:23/mi
20M
2:02:36
Rank: #1148 (-76)
30K → 20M
9:13 | 6:47/mi
21M
2:10:06
Rank: #1260 (-112)
20M → 21M
7:30 | 7:30/mi
35K· 21.75 mi
2:15:14
Rank: #1318 (-58)
21M → 35K
5:08 | 6:52/mi
23M
2:24:17
Rank: #1448 (-130)
35K → 23M
9:03 | 7:14/mi
24M
2:31:29
Rank: #1551 (-103)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
2:37:25
Rank: #1599 (-48)
24M → 40K
5:56 | 6:56/mi
25.2M
2:39:51
Rank: #1584 (+15)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:46:16
Rank: #1573 (+11)
25.2M → Finish
6:25 | 6:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:52
Pace6:01 /mi
2nd Half
Distance13.11 mi
Time1:27:24
Pace6:40 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5918:365:5918:36
5:59
-
10K
6.21 mi10:37:4837:256:0118:49
6:03
+0:04
15K
9.32 mi10:56:3156:086:0118:43
6:01
-0:02
20K
12.43 mi11:15:111:14:486:0118:40
6:00
-0:01
Half
13.11 mi11:19:151:18:526:014:04
5:58
-0:02
25K
15.53 mi11:33:561:33:336:0114:41
6:03
+0:05
30K
18.64 mi11:53:461:53:236:0519:50
6:23
+0:20
20M
20.00 mi12:02:592:02:366:089:13
6:47
+0:24
21M
21.00 mi12:10:292:10:066:127:30
7:30
+0:43
35K
21.75 mi12:15:372:15:146:135:08
6:52
-0:38
23M
23.00 mi12:24:402:24:176:169:03
7:14
+0:22
24M
24.00 mi12:31:522:31:296:197:12
7:12
-0:02
40K
24.85 mi12:37:482:37:256:205:56
6:56
-0:16
25.2M
25.20 mi12:40:142:39:516:212:26
7:03
+0:07
Finish
26.22 mi12:46:392:46:166:216:25
6:18
-0:45

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

5:58 /mi

Average Pace

6:21 /mi

Slowest Pace

7:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:33

56% of race

Time at Steady Pace

26:15

16% of race

Time at Slower Pace

46:28

28% of race

Average Pace: 6:20 /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 mi10:18:5918:365:5918:36
5:59
#1051
10K
6.21 mi10:37:4837:256:0118:49
6:03
#1143
15K
9.32 mi10:56:3156:086:0118:43
6:01
#1122
20K
12.43 mi11:15:111:14:486:0118:40
6:00
#1044
Half
13.11 mi11:19:151:18:526:014:04
5:58
#1037
25K
15.53 mi11:33:561:33:336:0114:41
6:03
#1014
30K
18.64 mi11:53:461:53:236:0519:50
6:23
#1072
20M
20.00 mi12:02:592:02:366:089:13
6:47
#1148
21M
21.00 mi12:10:292:10:066:127:30
7:30
#1260
35K
21.75 mi12:15:372:15:146:135:08
6:52
#1318
23M
23.00 mi12:24:402:24:176:169:03
7:14
#1448
24M
24.00 mi12:31:522:31:296:197:12
7:12
#1551
40K
24.85 mi12:37:482:37:256:205:56
6:56
#1599
25.2M
25.20 mi12:40:142:39:516:212:26
7:03
#1584
Finish
26.22 mi12:46:392:46:166:216:25
6:18
#1573
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10519929921115(Top 4%)1056(Top 7%)1056(Top 19%)
10K6.21 mi3.10 mi1143-921080-881080-881312(Top 5%)1245(Top 8%)1245(Top 22%)
15K9.32 mi3.11 mi1122+211060+201060+201115(Top 4%)1056(Top 7%)1056(Top 19%)
20K12.43 mi3.11 mi1044+78984+76984+76892(Top 3%)841(Top 5%)841(Top 15%)
Half13.11 mi0.68 mi1037+7977+7977+71048(Top 4%)995(Top 6%)995(Top 18%)
25K15.53 mi2.42 mi1014+23955+22955+22955(Top 3%)900(Top 6%)900(Top 16%)
30K18.64 mi3.11 mi1072-581010-551010-551486(Top 5%)1406(Top 9%)1406(Top 25%)
20M20.00 mi1.36 mi1148-761082-721082-722834(Top 10%)2650(Top 16%)2650(Top 47%)
21M21.00 mi1.00 mi1260-1121189-1071189-1074611(Top 16%)4081(Top 25%)4081(Top 72%)
35K21.75 mi0.75 mi1318-581244-551244-554490(Top 16%)3992(Top 25%)3992(Top 71%)
23M23.00 mi1.25 mi1448-1301367-1231367-1235038(Top 18%)4345(Top 27%)4345(Top 77%)
24M24.00 mi1.00 mi1551-1031467-1001467-1005817(Top 20%)4805(Top 30%)4805(Top 85%)
40K24.85 mi0.85 mi1599-481514-471514-473568(Top 13%)3164(Top 20%)3164(Top 56%)
25.2M25.20 mi0.35 mi1584+151499+151499+151672(Top 6%)1529(Top 9%)1529(Top 27%)
Finish26.22 mi1.02 mi1573+111488+111488+111876(Top 7%)1731(Top 11%)1731(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1115

Males

1056

M18-39

1056

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1312

Males

1245

M18-39

1245

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1115

Males

1056

M18-39

1056

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

892

Males

841

M18-39

841

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1048

Males

995

M18-39

995

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

955

Males

900

M18-39

900

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1486

Males

1406

M18-39

1406

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2834

Males

2650

M18-39

2650

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4611

Males

4081

M18-39

4081

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4490

Males

3992

M18-39

3992

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5038

Males

4345

M18-39

4345

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5817

Males

4805

M18-39

4805

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3568

Males

3164

M18-39

3164

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1672

Males

1529

M18-39

1529

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1876

Males

1731

M18-39

1731

Passing Analysis

Category:
Athletes Passed
340
Passed By
862
Net Change
-522
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1051
5K → 10K21113-92#1051#1143
10K → 15K4726+21#1143#1122
15K → 20K813+78#1122#1044
20K → Half92+7#1044#1037
Half → 25K3512+23#1037#1014
25K → 30K3189-58#1014#1072
30K → 20M1389-76#1072#1148
20M → 21M7119-112#1148#1260
21M → 35K967-58#1260#1318
35K → 23M12142-130#1318#1448
23M → 24M11114-103#1448#1551
24M → 40K1361-48#1551#1599
40K → 25.2M183+15#1599#1584
25.2M → Finish3322+11#1584#1573
TOTALS340862-522
📊

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