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BOSTON MARATHON 2025

Mohammad Shamsuzzaman

Bib: 4470•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 31%
Gender (Male)
#0 / 16105
Top 44%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:16
Rank: #4019
Start → 5K
20:16 | 6:31/mi
10K· 6.21 mi
41:07
Rank: #4640 (-621)
5K → 10K
20:51 | 6:43/mi
15K· 9.32 mi
1:02:27
Rank: #5266 (-626)
10K → 15K
21:20 | 6:52/mi
20K· 12.43 mi
1:24:58
Rank: #6284 (-1018)
15K → 20K
22:31 | 7:15/mi
Half· 13.11 mi
1:29:48
Rank: #6419 (-135)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:47:56
Rank: #6916 (-497)
Half → 25K
18:08 | 7:29/mi
30K· 18.64 mi
2:12:58
Rank: #7552 (-636)
25K → 30K
25:02 | 8:03/mi
20M
2:24:06
Rank: #7785 (-233)
30K → 20M
11:08 | 8:12/mi
21M
2:32:54
Rank: #7967 (-182)
20M → 21M
8:48 | 8:48/mi
35K· 21.75 mi
2:38:57
Rank: #8119 (-152)
21M → 35K
6:03 | 8:05/mi
23M
2:49:23
Rank: #8331 (-212)
35K → 23M
10:26 | 8:20/mi
24M
2:57:23
Rank: #8436 (-105)
23M → 24M
8:00 | 8:00/mi
40K· 24.85 mi
3:04:33
Rank: #8586 (-150)
24M → 40K
7:10 | 8:23/mi
25.2M
3:07:41
Rank: #8640 (-54)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:15:44
Rank: #8790 (-150)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:48
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:45:56
Pace8:05 /mi
📊Positive Split: 18.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1120:166:3120:16
6:31
-
10K
6.21 mi10:43:0241:076:3720:51
6:43
+0:12
15K
9.32 mi11:04:221:02:276:4221:20
6:52
+0:09
20K
12.43 mi11:26:531:24:586:5022:31
7:15
+0:23
Half
13.11 mi11:31:431:29:486:514:50
7:05
-0:10
25K
15.53 mi11:49:511:47:566:5718:08
7:29
+0:24
30K
18.64 mi12:14:532:12:587:0825:02
8:03
+0:34
20M
20.00 mi12:26:012:24:067:1211:08
8:12
+0:09
21M
21.00 mi12:34:492:32:547:178:48
8:48
+0:36
35K
21.75 mi12:40:522:38:577:196:03
8:05
-0:43
23M
23.00 mi12:51:182:49:237:2210:26
8:20
+0:15
24M
24.00 mi12:59:182:57:237:238:00
8:00
-0:20
40K
24.85 mi13:06:283:04:337:267:10
8:23
+0:23
25.2M
25.20 mi13:09:363:07:417:273:08
9:05
+0:42
Finish
26.22 mi13:17:393:15:447:288:03
7:54
-1:11

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

6:31 /mi

Average Pace

7:28 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:56

55% of race

Time at Steady Pace

1:08:42

35% of race

Time at Slower Pace

19:06

10% of race

Average Pace: 7:28 /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 mi10:22:1120:166:3120:16
6:31
#4019
10K
6.21 mi10:43:0241:076:3720:51
6:43
#4640
15K
9.32 mi11:04:221:02:276:4221:20
6:52
#5266
20K
12.43 mi11:26:531:24:586:5022:31
7:15
#6284
Half
13.11 mi11:31:431:29:486:514:50
7:05
#6419
25K
15.53 mi11:49:511:47:566:5718:08
7:29
#6916
30K
18.64 mi12:14:532:12:587:0825:02
8:03
#7552
20M
20.00 mi12:26:012:24:067:1211:08
8:12
#7785
21M
21.00 mi12:34:492:32:547:178:48
8:48
#7967
35K
21.75 mi12:40:522:38:577:196:03
8:05
#8119
23M
23.00 mi12:51:182:49:237:2210:26
8:20
#8331
24M
24.00 mi12:59:182:57:237:238:00
8:00
#8436
40K
24.85 mi13:06:283:04:337:267:10
8:23
#8586
25.2M
25.20 mi13:09:363:07:417:273:08
9:05
#8640
Finish
26.22 mi13:17:393:15:447:288:03
7:54
#8790
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4019379437946728(Top 24%)6049(Top 38%)6049(Top 107%)
10K6.21 mi3.10 mi4640-6214352-5584352-5585450(Top 19%)5034(Top 31%)5034(Top 89%)
15K9.32 mi3.11 mi5266-6264886-5344886-5346728(Top 24%)6049(Top 38%)6049(Top 107%)
20K12.43 mi3.11 mi6284-10185709-8235709-8238589(Top 30%)7218(Top 45%)7218(Top 128%)
Half13.11 mi0.68 mi6419-1355814-1055814-1058166(Top 29%)7005(Top 43%)7005(Top 124%)
25K15.53 mi2.42 mi6916-4976193-3796193-3799770(Top 34%)7735(Top 48%)7735(Top 137%)
30K18.64 mi3.11 mi7552-6366603-4106603-41011785(Top 41%)8567(Top 53%)8567(Top 152%)
20M20.00 mi1.36 mi7785-2336708-1056708-10511729(Top 41%)8376(Top 52%)8376(Top 148%)
21M21.00 mi1.00 mi7967-1826782-746782-7412257(Top 43%)8482(Top 53%)8482(Top 150%)
35K21.75 mi0.75 mi8119-1526859-776859-7712780(Top 45%)8693(Top 54%)8693(Top 154%)
23M23.00 mi1.25 mi8331-2126945-866945-8612215(Top 43%)8323(Top 52%)8323(Top 148%)
24M24.00 mi1.00 mi8436-1056972-276972-2711206(Top 39%)7759(Top 48%)7759(Top 138%)
40K24.85 mi0.85 mi8586-1507028-567028-5612632(Top 44%)8338(Top 52%)8338(Top 148%)
25.2M25.20 mi0.35 mi8640-547041-137041-1312181(Top 43%)8065(Top 50%)8065(Top 143%)
Finish26.22 mi1.02 mi8790-1507092-517092-5112127(Top 43%)8093(Top 50%)8093(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6728

Males

6049

M18-39

6049

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5450

Males

5034

M18-39

5034

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6728

Males

6049

M18-39

6049

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8589

Males

7218

M18-39

7218

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

8166

Males

7005

M18-39

7005

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9770

Males

7735

M18-39

7735

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11785

Males

8567

M18-39

8567

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11729

Males

8376

M18-39

8376

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

12257

Males

8482

M18-39

8482

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12780

Males

8693

M18-39

8693

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12215

Males

8323

M18-39

8323

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

11206

Males

7759

M18-39

7759

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12632

Males

8338

M18-39

8338

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12181

Males

8065

M18-39

8065

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12127

Males

8093

M18-39

8093

Passing Analysis

Category:
Athletes Passed
476
Passed By
5247
Net Change
-4771
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4019
5K → 10K17638-621#4019#4640
10K → 15K21647-626#4640#5266
15K → 20K121030-1018#5266#6284
20K → Half4139-135#6284#6419
Half → 25K32529-497#6419#6916
25K → 30K56692-636#6916#7552
30K → 20M37270-233#7552#7785
20M → 21M61243-182#7785#7967
21M → 35K27179-152#7967#8119
35K → 23M57269-212#8119#8331
23M → 24M49154-105#8331#8436
24M → 40K42192-150#8436#8586
40K → 25.2M2579-54#8586#8640
25.2M → Finish36186-150#8640#8790
TOTALS4765247-4771
📊

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