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BOSTON MARATHON 2025

Projit Chatterjee

Bib: 14449•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 43%
Division (M50-54)
#0 / 1996
Top 46%
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
7:49/mi
24:16
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:31
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:12:40
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:36:42
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:41:53
↑ 19↓ 370.5%
25K· 15.53 mi
7:41/mi
2:00:30
↑ 66↓ 880.2%
30K· 18.64 mi
7:59/mi
2:25:17
↑ 181↓ 1480.2%
20M
8:00/mi
2:36:09
↑ 64↓ 500.2%
21M
8:20/mi
2:44:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:50:11
↑ 17↓ 861.7%
23M
7:52/mi
3:00:02
↑ 23↓ 630.6%
24M
7:40/mi
3:07:42
↓ 821.3%
40K· 24.85 mi
7:50/mi
3:14:24
↓ 200.3%
25.2M
8:19/mi
3:17:16
↑ 13↓ 160.2%
Finish· 26.22 mi
7:12/mi
3:24:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:41:53
Pace7:46 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:42:43
Pace7:50 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4924:167:4924:16
7:49
-
10K
6.21 mi11:19:0448:317:4824:15
7:48
-0:01
15K
9.32 mi11:43:131:12:407:4824:09
7:46
-0:02
20K
12.43 mi12:07:151:36:427:4724:02
7:44
-0:02
Half
13.11 mi12:12:261:41:537:465:11
7:36
-0:08
25K
15.53 mi12:31:032:00:307:4518:37
7:41
+0:05
30K
18.64 mi12:55:502:25:177:4824:47
7:59
+0:18
20M
20.00 mi13:06:422:36:097:4810:52
8:00
+0:01
21M
21.00 mi13:15:022:44:297:508:20
8:20
+0:20
35K
21.75 mi13:20:442:50:117:505:42
7:37
-0:43
23M
23.00 mi13:30:353:00:027:509:51
7:52
+0:15
24M
24.00 mi13:38:153:07:427:497:40
7:40
-0:12
40K
24.85 mi13:44:573:14:247:496:42
7:50
+0:10
25.2M
25.20 mi13:47:493:17:167:502:52
8:19
+0:29
Finish
26.22 mi13:55:093:24:367:497:20
7:12
-1:07

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

7:12 /mi

Average Pace

7:49 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:45

77% of race

Time at Steady Pace

46:51

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi10:54:4924:167:4924:16
7:49
#14886
10K
6.21 mi11:19:0448:317:4824:15
7:48
#14852
15K
9.32 mi11:43:131:12:407:4824:09
7:46
#14585
20K
12.43 mi12:07:151:36:427:4724:02
7:44
#14089
Half
13.11 mi12:12:261:41:537:465:11
7:36
#14010
25K
15.53 mi12:31:032:00:307:4518:37
7:41
#13496
30K
18.64 mi12:55:502:25:177:4824:47
7:59
#13023
20M
20.00 mi13:06:422:36:097:4810:52
8:00
#12793
21M
21.00 mi13:15:022:44:297:508:20
8:20
#12552
35K
21.75 mi13:20:442:50:117:505:42
7:37
#12416
23M
23.00 mi13:30:353:00:027:509:51
7:52
#12180
24M
24.00 mi13:38:153:07:427:497:40
7:40
#12009
40K
24.85 mi13:44:573:14:247:496:42
7:50
#11868
25.2M
25.20 mi13:47:493:17:167:502:52
8:19
#11790
Finish
26.22 mi13:55:093:24:367:497:20
7:12
#11539
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi14886103841038414124(Top 50%)9986(Top 62%)9986(Top 500%)
10K6.21 mi3.10 mi14852+3410343+4110343+4114837(Top 52%)10343(Top 64%)10343(Top 518%)
15K9.32 mi3.11 mi14585+26710237+10610237+10614124(Top 50%)9986(Top 62%)9986(Top 500%)
20K12.43 mi3.11 mi14089+4969994+2439994+24312692(Top 45%)9274(Top 58%)9274(Top 465%)
Half13.11 mi0.68 mi14010+799962+329962+3212488(Top 44%)9218(Top 57%)9218(Top 462%)
25K15.53 mi2.42 mi13496+5149688+2749688+27411363(Top 40%)8557(Top 53%)8557(Top 429%)
30K18.64 mi3.11 mi13023+4739423+2659423+26511211(Top 39%)8294(Top 51%)8294(Top 416%)
20M20.00 mi1.36 mi12793+2309295+1289295+12810415(Top 37%)7750(Top 48%)7750(Top 388%)
21M21.00 mi1.00 mi12552+2419154+1419154+1419434(Top 33%)7070(Top 44%)7070(Top 354%)
35K21.75 mi0.75 mi12416+1369065+899065+899460(Top 33%)7103(Top 44%)7103(Top 356%)
23M23.00 mi1.25 mi12180+2368922+1438922+1439054(Top 32%)6754(Top 42%)6754(Top 338%)
24M24.00 mi1.00 mi12009+1718801+1218801+1218899(Top 31%)6606(Top 41%)6606(Top 331%)
40K24.85 mi0.85 mi11868+1418697+1048697+1049013(Top 32%)6537(Top 41%)6537(Top 328%)
25.2M25.20 mi0.35 mi11790+788646+518646+517713(Top 27%)5772(Top 36%)5772(Top 289%)
Finish26.22 mi1.02 mi11539+2518484+1628484+1627024(Top 25%)5354(Top 33%)5354(Top 268%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14124

Males

9986

M50-54

9986

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14837

Males

10343

M50-54

10343

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14124

Males

9986

M50-54

9986

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

12692

Males

9274

M50-54

9274

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12488

Males

9218

M50-54

9218

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

11363

Males

8557

M50-54

8557

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11211

Males

8294

M50-54

8294

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10415

Males

7750

M50-54

7750

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9434

Males

7070

M50-54

7070

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9460

Males

7103

M50-54

7103

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

9054

Males

6754

M50-54

6754

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8899

Males

6606

M50-54

6606

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9013

Males

6537

M50-54

6537

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7713

Males

5772

M50-54

5772

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

7024

Males

5354

M50-54

5354

Passing Analysis

Category:
Athletes Passed
3874
Passed By
527
Net Change
+3347
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14886
5K → 10K304270+34#14886#14852
10K → 15K35386+267#14852#14585
15K → 20K51418+496#14585#14089
20K → Half8910+79#14089#14010
Half → 25K5173+514#14010#13496
25K → 30K52451+473#13496#13023
30K → 20M25121+230#13023#12793
20M → 21M25110+241#12793#12552
21M → 35K14711+136#12552#12416
35K → 23M2437+236#12416#12180
23M → 24M18211+171#12180#12009
24M → 40K15817+141#12009#11868
40K → 25.2M835+78#11868#11790
25.2M → Finish2587+251#11790#11539
TOTALS3874527+3347
📊

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