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BOSTON MARATHON 2025

Lukasz Bereza

Bib: 8848•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 25%
Masters (Masters Men)
#0 / 10463
Top 11%
Division (M40-44)
#0 / 2247
Top 30%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:06
Rank: #6244
Start → 5K
21:06 | 6:47/mi
10K· 6.21 mi
42:18
Rank: #6372 (-128)
5K → 10K
21:12 | 6:49/mi
15K· 9.32 mi
1:03:32
Rank: #6359 (+13)
10K → 15K
21:14 | 6:50/mi
20K· 12.43 mi
1:24:49
Rank: #6166 (+193)
15K → 20K
21:17 | 6:51/mi
Half· 13.11 mi
1:29:24
Rank: #6119 (+47)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:53
Rank: #5862 (+257)
Half → 25K
16:29 | 6:48/mi
30K· 18.64 mi
2:07:19
Rank: #5415 (+447)
25K → 30K
21:26 | 6:54/mi
20M
2:16:44
Rank: #5239 (+176)
30K → 20M
9:25 | 6:56/mi
21M
2:23:54
Rank: #5037 (+202)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:28:53
Rank: #4938 (+99)
21M → 35K
4:59 | 6:40/mi
23M
2:37:25
Rank: #4738 (+200)
35K → 23M
8:32 | 6:49/mi
24M
2:44:05
Rank: #4608 (+130)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:49:54
Rank: #4506 (+102)
24M → 40K
5:49 | 6:48/mi
25.2M
2:52:27
Rank: #4463 (+43)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:59:08
Rank: #4395 (+68)
25.2M → Finish
6:41 | 6:34/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:24
Pace6:49 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:44
Pace6:51 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1421:066:4721:06
6:47
-
10K
6.21 mi11:07:2642:186:4821:12
6:49
+0:02
15K
9.32 mi11:28:401:03:326:4921:14
6:50
+0:01
20K
12.43 mi11:49:571:24:496:4921:17
6:51
+0:01
Half
13.11 mi11:54:321:29:246:494:35
6:43
-0:08
25K
15.53 mi12:11:011:45:536:4916:29
6:48
+0:05
30K
18.64 mi12:32:272:07:196:5021:26
6:54
+0:06
20M
20.00 mi12:41:522:16:446:509:25
6:56
+0:02
21M
21.00 mi12:49:022:23:546:517:10
7:10
+0:14
35K
21.75 mi12:54:012:28:536:514:59
6:40
-0:30
23M
23.00 mi13:02:332:37:256:518:32
6:49
+0:09
24M
24.00 mi13:09:132:44:056:506:40
6:40
-0:09
40K
24.85 mi13:15:022:49:546:505:49
6:48
+0:08
25.2M
25.20 mi13:17:352:52:276:512:33
7:24
+0:36
Finish
26.22 mi13:24:162:59:086:506:41
6:34
-0:50

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

6:34 /mi

Average Pace

6:50 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:35

99% of race

Time at Steady Pace

2:33

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:46:1421:066:4721:06
6:47
#6244
10K
6.21 mi11:07:2642:186:4821:12
6:49
#6372
15K
9.32 mi11:28:401:03:326:4921:14
6:50
#6359
20K
12.43 mi11:49:571:24:496:4921:17
6:51
#6166
Half
13.11 mi11:54:321:29:246:494:35
6:43
#6119
25K
15.53 mi12:11:011:45:536:4916:29
6:48
#5862
30K
18.64 mi12:32:272:07:196:5021:26
6:54
#5415
20M
20.00 mi12:41:522:16:446:509:25
6:56
#5239
21M
21.00 mi12:49:022:23:546:517:10
7:10
#5037
35K
21.75 mi12:54:012:28:536:514:59
6:40
#4938
23M
23.00 mi13:02:332:37:256:518:32
6:49
#4738
24M
24.00 mi13:09:132:44:056:506:40
6:40
#4608
40K
24.85 mi13:15:022:49:546:505:49
6:48
#4506
25.2M
25.20 mi13:17:352:52:276:512:33
7:24
#4463
Finish
26.22 mi13:24:162:59:086:506:41
6:34
#4395
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6244571657166429(Top 23%)5812(Top 36%)5812(Top 259%)
10K6.21 mi3.10 mi6372-1285818-1025818-1026648(Top 23%)6003(Top 37%)6003(Top 267%)
15K9.32 mi3.11 mi6359+135794+245794+246429(Top 23%)5812(Top 36%)5812(Top 259%)
20K12.43 mi3.11 mi6166+1935619+1755619+1755781(Top 20%)5263(Top 33%)5263(Top 234%)
Half13.11 mi0.68 mi6119+475576+435576+435456(Top 19%)5011(Top 31%)5011(Top 223%)
25K15.53 mi2.42 mi5862+2575349+2275349+2274866(Top 17%)4474(Top 28%)4474(Top 199%)
30K18.64 mi3.11 mi5415+4474968+3814968+3814078(Top 14%)3754(Top 23%)3754(Top 167%)
20M20.00 mi1.36 mi5239+1764803+1654803+1653705(Top 13%)3411(Top 21%)3411(Top 152%)
21M21.00 mi1.00 mi5037+2024634+1694634+1693017(Top 11%)2791(Top 17%)2791(Top 124%)
35K21.75 mi0.75 mi4938+994539+954539+953316(Top 12%)3032(Top 19%)3032(Top 135%)
23M23.00 mi1.25 mi4738+2004359+1804359+1802800(Top 10%)2574(Top 16%)2574(Top 115%)
24M24.00 mi1.00 mi4608+1304242+1174242+1172825(Top 10%)2592(Top 16%)2592(Top 115%)
40K24.85 mi0.85 mi4506+1024142+1004142+1002887(Top 10%)2613(Top 16%)2613(Top 116%)
25.2M25.20 mi0.35 mi4463+434099+434099+432987(Top 11%)2666(Top 17%)2666(Top 119%)
Finish26.22 mi1.02 mi4395+684037+624037+623115(Top 11%)2770(Top 17%)2770(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6429

Males

5812

M40-44

5812

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6648

Males

6003

M40-44

6003

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6429

Males

5812

M40-44

5812

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5781

Males

5263

M40-44

5263

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5456

Males

5011

M40-44

5011

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4866

Males

4474

M40-44

4474

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

4078

Males

3754

M40-44

3754

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3705

Males

3411

M40-44

3411

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3017

Males

2791

M40-44

2791

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3316

Males

3032

M40-44

3032

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2800

Males

2574

M40-44

2574

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2825

Males

2592

M40-44

2592

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2887

Males

2613

M40-44

2613

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2987

Males

2666

M40-44

2666

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3115

Males

2770

M40-44

2770

Passing Analysis

Category:
Athletes Passed
2408
Passed By
559
Net Change
+1849
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6244
5K → 10K141269-128#6244#6372
10K → 15K153140+13#6372#6359
15K → 20K24956+193#6359#6166
20K → Half558+47#6166#6119
Half → 25K27215+257#6119#5862
25K → 30K4536+447#5862#5415
30K → 20M18610+176#5415#5239
20M → 21M2075+202#5239#5037
21M → 35K10910+99#5037#4938
35K → 23M2066+200#4938#4738
23M → 24M1344+130#4738#4608
24M → 40K1075+102#4608#4506
40K → 25.2M496+43#4506#4463
25.2M → Finish8719+68#4463#4395
TOTALS2408559+1849
📊

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