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BOSTON MARATHON 2025

Corey Berlin

Bib: 1433•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Masters (Masters Men)
#0 / 10463
Top 2%
Division (M45-49)
#0 / 2386
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:40
Rank: #2614
Start → 5K
19:40 | 6:20/mi
10K· 6.21 mi
39:07
Rank: #2372 (+242)
5K → 10K
19:27 | 6:16/mi
15K· 9.32 mi
58:31
Rank: #2240 (+132)
10K → 15K
19:24 | 6:15/mi
20K· 12.43 mi
1:17:56
Rank: #2109 (+131)
15K → 20K
19:25 | 6:15/mi
Half· 13.11 mi
1:22:07
Rank: #2079 (+30)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:37:12
Rank: #1965 (+114)
Half → 25K
15:05 | 6:13/mi
30K· 18.64 mi
1:56:47
Rank: #1781 (+184)
25K → 30K
19:35 | 6:18/mi
20M
2:05:24
Rank: #1695 (+86)
30K → 20M
8:37 | 6:20/mi
21M
2:12:06
Rank: #1631 (+64)
20M → 21M
6:42 | 6:42/mi
35K· 21.75 mi
2:16:47
Rank: #1608 (+23)
21M → 35K
4:41 | 6:16/mi
23M
2:24:39
Rank: #1503 (+105)
35K → 23M
7:52 | 6:17/mi
24M
2:30:53
Rank: #1452 (+51)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:36:07
Rank: #1386 (+66)
24M → 40K
5:14 | 6:07/mi
25.2M
2:38:29
Rank: #1375 (+11)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:44:42
Rank: #1344 (+31)
25.2M → Finish
6:13 | 6:06/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:22:07
Pace6:16 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:22:35
Pace6:18 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2219:406:2019:40
6:20
-
10K
6.21 mi10:40:4939:076:1819:27
6:16
-0:04
15K
9.32 mi11:00:1358:316:1719:24
6:15
-0:01
20K
12.43 mi11:19:381:17:566:1619:25
6:15
0:00
Half
13.11 mi11:23:491:22:076:164:11
6:08
-0:07
25K
15.53 mi11:38:541:37:126:1515:05
6:13
+0:05
30K
18.64 mi11:58:291:56:476:1619:35
6:18
+0:05
20M
20.00 mi12:07:062:05:246:168:37
6:20
+0:02
21M
21.00 mi12:13:482:12:066:176:42
6:42
+0:22
35K
21.75 mi12:18:292:16:476:174:41
6:16
-0:26
23M
23.00 mi12:26:212:24:396:177:52
6:17
+0:01
24M
24.00 mi12:32:352:30:536:176:14
6:14
-0:03
40K
24.85 mi12:37:492:36:076:175:14
6:07
-0:07
25.2M
25.20 mi12:40:112:38:296:172:22
6:52
+0:45
Finish
26.22 mi12:46:242:44:426:176:13
6:06
-0:46

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

6:06 /mi

Average Pace

6:17 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:20

99% of race

Time at Steady Pace

2:22

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:17 /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 mi10:21:2219:406:2019:40
6:20
#2614
10K
6.21 mi10:40:4939:076:1819:27
6:16
#2372
15K
9.32 mi11:00:1358:316:1719:24
6:15
#2240
20K
12.43 mi11:19:381:17:566:1619:25
6:15
#2109
Half
13.11 mi11:23:491:22:076:164:11
6:08
#2079
25K
15.53 mi11:38:541:37:126:1515:05
6:13
#1965
30K
18.64 mi11:58:291:56:476:1619:35
6:18
#1781
20M
20.00 mi12:07:062:05:246:168:37
6:20
#1695
21M
21.00 mi12:13:482:12:066:176:42
6:42
#1631
35K
21.75 mi12:18:292:16:476:174:41
6:16
#1608
23M
23.00 mi12:26:212:24:396:177:52
6:17
#1503
24M
24.00 mi12:32:352:30:536:176:14
6:14
#1452
40K
24.85 mi12:37:492:36:076:175:14
6:07
#1386
25.2M
25.20 mi12:40:112:38:296:172:22
6:52
#1375
Finish
26.22 mi12:46:242:44:426:176:13
6:06
#1344
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2614248924892052(Top 7%)1956(Top 12%)1956(Top 82%)
10K6.21 mi3.10 mi2372+2422262+2272262+2272184(Top 8%)2087(Top 13%)2087(Top 87%)
15K9.32 mi3.11 mi2240+1322138+1242138+1242052(Top 7%)1956(Top 12%)1956(Top 82%)
20K12.43 mi3.11 mi2109+1312013+1252013+1251786(Top 6%)1697(Top 11%)1697(Top 71%)
Half13.11 mi0.68 mi2079+301984+291984+291642(Top 6%)1561(Top 10%)1561(Top 65%)
25K15.53 mi2.42 mi1965+1141874+1101874+1101539(Top 5%)1461(Top 9%)1461(Top 61%)
30K18.64 mi3.11 mi1781+1841696+1781696+1781217(Top 4%)1148(Top 7%)1148(Top 48%)
20M20.00 mi1.36 mi1695+861609+871609+871073(Top 4%)1012(Top 6%)1012(Top 42%)
21M21.00 mi1.00 mi1631+641545+641545+641189(Top 4%)1123(Top 7%)1123(Top 47%)
35K21.75 mi0.75 mi1608+231524+211524+211439(Top 5%)1363(Top 8%)1363(Top 57%)
23M23.00 mi1.25 mi1503+1051422+1021422+102849(Top 3%)802(Top 5%)802(Top 34%)
24M24.00 mi1.00 mi1452+511372+501372+501115(Top 4%)1048(Top 7%)1048(Top 44%)
40K24.85 mi0.85 mi1386+661307+651307+65600(Top 2%)562(Top 3%)562(Top 24%)
25.2M25.20 mi0.35 mi1375+111297+101297+101123(Top 4%)1033(Top 6%)1033(Top 43%)
Finish26.22 mi1.02 mi1344+311265+321265+321187(Top 4%)1110(Top 7%)1110(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

2052

Males

1956

M45-49

1956

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2184

Males

2087

M45-49

2087

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

2052

Males

1956

M45-49

1956

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1786

Males

1697

M45-49

1697

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1642

Males

1561

M45-49

1561

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1539

Males

1461

M45-49

1461

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1217

Males

1148

M45-49

1148

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1073

Males

1012

M45-49

1012

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1189

Males

1123

M45-49

1123

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1439

Males

1363

M45-49

1363

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

849

Males

802

M45-49

802

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1115

Males

1048

M45-49

1048

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

600

Males

562

M45-49

562

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1123

Males

1033

M45-49

1033

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1187

Males

1110

M45-49

1110

Passing Analysis

Category:
Athletes Passed
1400
Passed By
130
Net Change
+1270
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2614
5K → 10K27028+242#2614#2372
10K → 15K15927+132#2372#2240
15K → 20K14211+131#2240#2109
20K → Half322+30#2109#2079
Half → 25K1239+114#2079#1965
25K → 30K19713+184#1965#1781
30K → 20M893+86#1781#1695
20M → 21M717+64#1695#1631
21M → 35K329+23#1631#1608
35K → 23M1072+105#1608#1503
23M → 24M565+51#1503#1452
24M → 40K671+66#1452#1386
40K → 25.2M165+11#1386#1375
25.2M → Finish398+31#1375#1344
TOTALS1400130+1270
📊

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