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BOSTON MARATHON 2025

Sandip Mukherjee

Bib: 14272•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:36/mi
23:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:47/mi
47:48
↑ 79↓ 1380.4%
15K· 9.32 mi
7:57/mi
1:12:29
↑ 67↓ 78
20K· 12.43 mi
8:13/mi
1:38:01
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:43:25
↑ 19↓ 370.5%
25K· 15.53 mi
8:22/mi
2:03:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:31:03
↑ 181↓ 1480.2%
20M
8:54/mi
2:43:09
↑ 64↓ 500.2%
21M
9:45/mi
2:52:54
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
2:59:04
↑ 17↓ 861.7%
23M
8:42/mi
3:09:57
↑ 23↓ 630.6%
24M
8:29/mi
3:18:26
↓ 821.3%
40K· 24.85 mi
8:39/mi
3:25:50
↓ 200.3%
25.2M
9:49/mi
3:29:13
↑ 13↓ 160.2%
Finish· 26.22 mi
8:36/mi
3:37:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:25
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:54:34
Pace8:44 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0323:377:3623:37
7:36
-
10K
6.21 mi11:19:1447:487:4224:11
7:47
+0:11
15K
9.32 mi11:43:551:12:297:4724:41
7:57
+0:10
20K
12.43 mi12:09:271:38:017:5325:32
8:13
+0:16
Half
13.11 mi12:14:511:43:257:535:24
7:55
-0:18
25K
15.53 mi12:35:082:03:427:5820:17
8:22
+0:27
30K
18.64 mi13:02:292:31:038:0627:21
8:48
+0:26
20M
20.00 mi13:14:352:43:098:0912:06
8:54
+0:06
21M
21.00 mi13:24:202:52:548:149:45
9:45
+0:51
35K
21.75 mi13:30:302:59:048:146:10
8:15
-1:30
23M
23.00 mi13:41:233:09:578:1610:53
8:42
+0:27
24M
24.00 mi13:49:523:18:268:168:29
8:29
-0:13
40K
24.85 mi13:57:163:25:508:177:24
8:39
+0:10
25.2M
25.20 mi14:00:393:29:138:183:23
9:49
+1:10
Finish
26.22 mi14:09:253:37:598:198:46
8:36
-1:13

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

7:36 /mi

Average Pace

8:19 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:53

36% of race

Time at Steady Pace

1:27:31

40% of race

Time at Slower Pace

52:35

24% of race

Average Pace: 8:19 /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 mi10:55:0323:377:3623:37
7:36
#13129
10K
6.21 mi11:19:1447:487:4224:11
7:47
#13861
15K
9.32 mi11:43:551:12:297:4724:41
7:57
#14425
20K
12.43 mi12:09:271:38:017:5325:32
8:13
#14967
Half
13.11 mi12:14:511:43:257:535:24
7:55
#14997
25K
15.53 mi12:35:082:03:427:5820:17
8:22
#15271
30K
18.64 mi13:02:292:31:038:0627:21
8:48
#15525
20M
20.00 mi13:14:352:43:098:0912:06
8:54
#15532
21M
21.00 mi13:24:202:52:548:149:45
9:45
#15643
35K
21.75 mi13:30:302:59:048:146:10
8:15
#15558
23M
23.00 mi13:41:233:09:578:1610:53
8:42
#15448
24M
24.00 mi13:49:523:18:268:168:29
8:29
#15372
40K
24.85 mi13:57:163:25:508:177:24
8:39
#15324
25.2M
25.20 mi14:00:393:29:138:183:23
9:49
#15332
Finish
26.22 mi14:09:253:37:598:198:46
8:36
#15376
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi131299706970615606(Top 55%)10646(Top 66%)10646(Top 533%)
10K6.21 mi3.10 mi13861-7329961-2559961-25514656(Top 52%)10277(Top 64%)10277(Top 515%)
15K9.32 mi3.11 mi14425-56410166-20510166-20515606(Top 55%)10646(Top 66%)10646(Top 533%)
20K12.43 mi3.11 mi14967-54210357-19110357-19116404(Top 58%)10914(Top 68%)10914(Top 547%)
Half13.11 mi0.68 mi14997-3010367-1010367-1015173(Top 53%)10419(Top 65%)10419(Top 522%)
25K15.53 mi2.42 mi15271-27410466-9910466-9916314(Top 57%)10777(Top 67%)10777(Top 540%)
30K18.64 mi3.11 mi15525-25410520-5410520-5416615(Top 58%)10756(Top 67%)10756(Top 539%)
20M20.00 mi1.36 mi15532-710498+2210498+2216234(Top 57%)10451(Top 65%)10451(Top 524%)
21M21.00 mi1.00 mi15643-111104981049817234(Top 61%)10793(Top 67%)10793(Top 541%)
35K21.75 mi0.75 mi15558+8510447+5110447+5113881(Top 49%)9232(Top 57%)9232(Top 463%)
23M23.00 mi1.25 mi15448+11010360+8710360+8714489(Top 51%)9395(Top 58%)9395(Top 471%)
24M24.00 mi1.00 mi15372+7610306+5410306+5414382(Top 51%)9326(Top 58%)9326(Top 467%)
40K24.85 mi0.85 mi15324+4810255+5110255+5114361(Top 51%)9160(Top 57%)9160(Top 459%)
25.2M25.20 mi0.35 mi15332-810245+1010245+1016088(Top 57%)9913(Top 62%)9913(Top 497%)
Finish26.22 mi1.02 mi15376-4410243+210243+216831(Top 59%)10312(Top 64%)10312(Top 517%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15606

Males

10646

M50-54

10646

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14656

Males

10277

M50-54

10277

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15606

Males

10646

M50-54

10646

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16404

Males

10914

M50-54

10914

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

15173

Males

10419

M50-54

10419

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16314

Males

10777

M50-54

10777

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16615

Males

10756

M50-54

10756

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16234

Males

10451

M50-54

10451

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

17234

Males

10793

M50-54

10793

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13881

Males

9232

M50-54

9232

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14489

Males

9395

M50-54

9395

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14382

Males

9326

M50-54

9326

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14361

Males

9160

M50-54

9160

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16088

Males

9913

M50-54

9913

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16831

Males

10312

M50-54

10312

Passing Analysis

Category:
Athletes Passed
1272
Passed By
3519
Net Change
-2247
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13129
5K → 10K80812-732#13129#13861
10K → 15K70634-564#13861#14425
15K → 20K94636-542#14425#14967
20K → Half2959-30#14967#14997
Half → 25K100374-274#14997#15271
25K → 30K164418-254#15271#15525
30K → 20M113120-7#15525#15532
20M → 21M82193-111#15532#15643
21M → 35K10318+85#15643#15558
35K → 23M16151+110#15558#15448
23M → 24M11034+76#15448#15372
24M → 40K9547+48#15372#15324
40K → 25.2M2937-8#15324#15332
25.2M → Finish4286-44#15332#15376
TOTALS12723519-2247
📊

Passing Visuals

Category:
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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