Tapantosh Chakrabarty

Bib: 24069M

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M70-74)
#0 / 213
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:23
Rank: #22856
Start5K
9:47/mi
30:23 split
10K· 6.21 mi
1:00:57
Rank: #23185 (-329)
5K10K
9:50/mi
30:34 split
15K· 9.32 mi
1:32:44
Rank: #23492 (-307)
10K15K
10:14/mi
31:47 split
20K· 12.43 mi
2:07:01
Rank: #23853 (-361)
15K20K
11:02/mi
34:17 split
Half· 13.11 mi
2:14:06
Rank: #23859 (-6)
20KHalf
10:23/mi
7:05 split
25K· 15.53 mi
2:42:00
Rank: #24041 (-182)
Half25K
11:30/mi
27:54 split
30K· 18.64 mi
3:19:59
Rank: #24220 (-179)
25K30K
12:14/mi
37:59 split
20M
3:36:35
Rank: #24251 (-31)
30K20M
12:13/mi
16:36 split
21M
3:50:18
Rank: #24294 (-43)
20M21M
13:43/mi
13:43 split
35K· 21.75 mi
3:59:04
Rank: #24309 (-15)
21M35K
11:43/mi
8:46 split
23M
4:14:11
Rank: #24309
35K23M
12:04/mi
15:07 split
24M
4:26:04
Rank: #24315 (-6)
23M24M
11:53/mi
11:53 split
40K· 24.85 mi
4:36:28
Rank: #24322 (-7)
24M40K
12:10/mi
10:24 split
25.2M
4:41:12
Rank: #24339 (-17)
40K25.2M
13:44/mi
4:44 split
Finish· 26.22 mi
4:53:43
Rank: #24419 (-80)
25.2MFinish
12:17/mi
12:31 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:06
Pace10:14 /mi
2nd Half
Distance13.11 mi
Time2:39:37
Pace12:11 /mi
📊Positive Split: 19.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:1930:239:4730:23
9:47
-
10K
6.21 mi11:57:531:00:579:4930:34
9:50
+0:03
15K
9.32 mi12:29:401:32:449:5731:47
10:14
+0:24
20K
12.43 mi13:03:572:07:0110:1334:17
11:02
+0:48
Half
13.11 mi13:11:022:14:0610:147:05
10:23
-0:39
25K
15.53 mi13:38:562:42:0010:2627:54
11:30
+1:07
30K
18.64 mi14:16:553:19:5910:4437:59
12:14
+0:44
20M
20.00 mi14:33:313:36:3510:5016:36
12:13
-0:01
21M
21.00 mi14:47:143:50:1810:5813:43
13:43
+1:30
35K
21.75 mi14:56:003:59:0411:008:46
11:43
-2:00
23M
23.00 mi15:11:074:14:1111:0315:07
12:04
+0:21
24M
24.00 mi15:23:004:26:0411:0511:53
11:53
-0:11
40K
24.85 mi15:33:244:36:2811:0710:24
12:10
+0:17
25.2M
25.20 mi15:38:084:41:1211:104:44
13:44
+1:34
Finish
26.22 mi15:50:394:53:4311:1312:31
12:17
-1:27

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

9:47 /mi

Average Pace

11:13 /mi

Slowest Pace

13:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:06

46% of race

Time at Steady Pace

2:21:10

48% of race

Time at Slower Pace

18:27

6% of race

Average Pace: 11:12 /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 mi11:27:1930:239:4730:23
9:47
#22856
10K
6.21 mi11:57:531:00:579:4930:34
9:50
#23185
15K
9.32 mi12:29:401:32:449:5731:47
10:14
#23492
20K
12.43 mi13:03:572:07:0110:1334:17
11:02
#23853
Half
13.11 mi13:11:022:14:0610:147:05
10:23
#23859
25K
15.53 mi13:38:562:42:0010:2627:54
11:30
#24041
30K
18.64 mi14:16:553:19:5910:4437:59
12:14
#24220
20M
20.00 mi14:33:313:36:3510:5016:36
12:13
#24251
21M
21.00 mi14:47:143:50:1810:5813:43
13:43
#24294
35K
21.75 mi14:56:003:59:0411:008:46
11:43
#24309
23M
23.00 mi15:11:074:14:1111:0315:07
12:04
#24309
24M
24.00 mi15:23:004:26:0411:0511:53
11:53
#24315
40K
24.85 mi15:33:244:36:2811:0710:24
12:10
#24322
25.2M
25.20 mi15:38:084:41:1211:104:44
13:44
#24339
Finish
26.22 mi15:50:394:53:4311:1312:31
12:17
#24419
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi22856135281352823951(Top 90%)14062(Top 93%)14062(Top 6602%)
10K6.21 mi3.10 mi23185-32913703-17513703-17523359(Top 88%)13793(Top 91%)13793(Top 6476%)
15K9.32 mi3.11 mi23492-30713867-16413867-16423951(Top 90%)14062(Top 93%)14062(Top 6602%)
20K12.43 mi3.11 mi23853-36114019-15214019-15224672(Top 93%)14356(Top 95%)14356(Top 6740%)
Half13.11 mi0.68 mi23859-614028-914028-923991(Top 90%)14063(Top 93%)14063(Top 6602%)
25K15.53 mi2.42 mi24041-18214097-6914097-6924677(Top 93%)14326(Top 94%)14326(Top 6726%)
30K18.64 mi3.11 mi24220-17914142-4514142-4524734(Top 93%)14295(Top 94%)14295(Top 6711%)
20M20.00 mi1.36 mi24251-3114150-814150-824446(Top 92%)14116(Top 93%)14116(Top 6627%)
21M21.00 mi1.00 mi24294-4314162-1214162-1224790(Top 93%)14269(Top 94%)14269(Top 6699%)
35K21.75 mi0.75 mi24309-1514158+414158+424375(Top 92%)14031(Top 92%)14031(Top 6587%)
23M23.00 mi1.25 mi2430914154+414154+424104(Top 91%)13896(Top 92%)13896(Top 6524%)
24M24.00 mi1.00 mi24315-614153+114153+124373(Top 92%)13987(Top 92%)13987(Top 6567%)
40K24.85 mi0.85 mi24322-714151+214151+224074(Top 90%)13841(Top 91%)13841(Top 6498%)
25.2M25.20 mi0.35 mi24339-1714152-114152-124747(Top 93%)14159(Top 93%)14159(Top 6647%)
Finish26.22 mi1.02 mi24419-8014183-3114183-3125490(Top 96%)14554(Top 96%)14554(Top 6833%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

23951

Males

14062

M70-74

14062

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

23359

Males

13793

M70-74

13793

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

23951

Males

14062

M70-74

14062

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

24672

Males

14356

M70-74

14356

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23991

Males

14063

M70-74

14063

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

24677

Males

14326

M70-74

14326

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

24734

Males

14295

M70-74

14295

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24446

Males

14116

M70-74

14116

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

24790

Males

14269

M70-74

14269

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

24375

Males

14031

M70-74

14031

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24104

Males

13896

M70-74

13896

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

24373

Males

13987

M70-74

13987

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24074

Males

13841

M70-74

13841

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24747

Males

14159

M70-74

14159

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

25490

Males

14554

M70-74

14554

Passing Analysis

Category:
Athletes Passed
463
Passed By
2026
Net Change
-1563
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22856
5K10K101430-329#22856#23185
10K15K42349-307#23185#23492
15K20K37398-361#23492#23853
20KHalf1420-6#23853#23859
Half25K39221-182#23859#24041
25K30K57236-179#24041#24220
30K20M3869-31#24220#24251
20M21M2366-43#24251#24294
21M35K1732-15#24294#24309
35K23M33330#24309#24309
23M24M2834-6#24309#24315
24M40K1926-7#24315#24322
40K25.2M825-17#24322#24339
25.2MFinish787-80#24339#24419
TOTALS4632026-1563
📊

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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Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing