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BOSTON MARATHON 2025

Joyjit Kundu

Bib: 7748•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Masters (Masters Men)
#0 / 10463
Top 21%
Division (M50-54)
#0 / 1996
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:15
Rank: #6622
Start → 5K
21:15 | 6:50/mi
10K· 6.21 mi
42:39
Rank: #6873 (-251)
5K → 10K
21:24 | 6:53/mi
15K· 9.32 mi
1:04:13
Rank: #6995 (-122)
10K → 15K
21:34 | 6:56/mi
20K· 12.43 mi
1:26:26
Rank: #7205 (-210)
15K → 20K
22:13 | 7:09/mi
Half· 13.11 mi
1:31:11
Rank: #7207 (-2)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:48:25
Rank: #7125 (+82)
Half → 25K
17:14 | 7:06/mi
30K· 18.64 mi
2:11:11
Rank: #6901 (+224)
25K → 30K
22:46 | 7:20/mi
20M
2:21:17
Rank: #6789 (+112)
30K → 20M
10:06 | 7:26/mi
21M
2:29:18
Rank: #6751 (+38)
20M → 21M
8:01 | 8:01/mi
35K· 21.75 mi
2:34:38
Rank: #6685 (+66)
21M → 35K
5:20 | 7:08/mi
23M
2:43:50
Rank: #6548 (+137)
35K → 23M
9:12 | 7:21/mi
24M
2:50:57
Rank: #6450 (+98)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
2:57:15
Rank: #6389 (+61)
24M → 40K
6:18 | 7:22/mi
25.2M
3:00:01
Rank: #6358 (+31)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:07:15
Rank: #6285 (+73)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:11
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:36:04
Pace7:20 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:2621:156:5021:15
6:50
-
10K
6.21 mi10:49:5042:396:5221:24
6:53
+0:03
15K
9.32 mi11:11:241:04:136:5321:34
6:56
+0:03
20K
12.43 mi11:33:371:26:266:5722:13
7:09
+0:13
Half
13.11 mi11:38:221:31:116:574:45
6:58
-0:11
25K
15.53 mi11:55:361:48:256:5917:14
7:06
+0:08
30K
18.64 mi12:18:222:11:117:0222:46
7:20
+0:14
20M
20.00 mi12:28:282:21:177:0410:06
7:26
+0:06
21M
21.00 mi12:36:292:29:187:078:01
8:01
+0:35
35K
21.75 mi12:41:492:34:387:075:20
7:08
-0:53
23M
23.00 mi12:51:012:43:507:079:12
7:21
+0:13
24M
24.00 mi12:58:082:50:577:077:07
7:07
-0:14
40K
24.85 mi13:04:262:57:157:086:18
7:22
+0:15
25.2M
25.20 mi13:07:123:00:017:092:46
8:01
+0:39
Finish
26.22 mi13:14:263:07:157:097:14
7:06
-0:55

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

6:50 /mi

Average Pace

7:09 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:28

94% of race

Time at Steady Pace

10:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:08 /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 mi10:28:2621:156:5021:15
6:50
#6622
10K
6.21 mi10:49:5042:396:5221:24
6:53
#6873
15K
9.32 mi11:11:241:04:136:5321:34
6:56
#6995
20K
12.43 mi11:33:371:26:266:5722:13
7:09
#7205
Half
13.11 mi11:38:221:31:116:574:45
6:58
#7207
25K
15.53 mi11:55:361:48:256:5917:14
7:06
#7125
30K
18.64 mi12:18:222:11:117:0222:46
7:20
#6901
20M
20.00 mi12:28:282:21:177:0410:06
7:26
#6789
21M
21.00 mi12:36:292:29:187:078:01
8:01
#6751
35K
21.75 mi12:41:492:34:387:075:20
7:08
#6685
23M
23.00 mi12:51:012:43:507:079:12
7:21
#6548
24M
24.00 mi12:58:082:50:577:077:07
7:07
#6450
40K
24.85 mi13:04:262:57:157:086:18
7:22
#6389
25.2M
25.20 mi13:07:123:00:017:092:46
8:01
#6358
Finish
26.22 mi13:14:263:07:157:097:14
7:06
#6285
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6622601160117230(Top 25%)6418(Top 40%)6418(Top 322%)
10K6.21 mi3.10 mi6873-2516197-1866197-1867136(Top 25%)6379(Top 40%)6379(Top 320%)
15K9.32 mi3.11 mi6995-1226279-826279-827230(Top 25%)6418(Top 40%)6418(Top 322%)
20K12.43 mi3.11 mi7205-2106421-1426421-1427812(Top 28%)6750(Top 42%)6750(Top 338%)
Half13.11 mi0.68 mi7207-26420+16420+17241(Top 25%)6383(Top 40%)6383(Top 320%)
25K15.53 mi2.42 mi7125+826346+746346+747004(Top 25%)6117(Top 38%)6117(Top 306%)
30K18.64 mi3.11 mi6901+2246132+2146132+2146601(Top 23%)5706(Top 35%)5706(Top 286%)
20M20.00 mi1.36 mi6789+1126024+1086024+1086566(Top 23%)5554(Top 34%)5554(Top 278%)
21M21.00 mi1.00 mi6751+385976+485976+487395(Top 26%)5898(Top 37%)5898(Top 295%)
35K21.75 mi0.75 mi6685+665910+665910+666123(Top 22%)5145(Top 32%)5145(Top 258%)
23M23.00 mi1.25 mi6548+1375780+1305780+1305711(Top 20%)4798(Top 30%)4798(Top 240%)
24M24.00 mi1.00 mi6450+985694+865694+865286(Top 19%)4453(Top 28%)4453(Top 223%)
40K24.85 mi0.85 mi6389+615622+725622+725994(Top 21%)4840(Top 30%)4840(Top 242%)
25.2M25.20 mi0.35 mi6358+315587+355587+356001(Top 21%)4727(Top 29%)4727(Top 237%)
Finish26.22 mi1.02 mi6285+735514+735514+736342(Top 22%)4942(Top 31%)4942(Top 248%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7230

Males

6418

M50-54

6418

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7136

Males

6379

M50-54

6379

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7230

Males

6418

M50-54

6418

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7812

Males

6750

M50-54

6750

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7241

Males

6383

M50-54

6383

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7004

Males

6117

M50-54

6117

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6601

Males

5706

M50-54

5706

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6566

Males

5554

M50-54

5554

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7395

Males

5898

M50-54

5898

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6123

Males

5145

M50-54

5145

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5711

Males

4798

M50-54

4798

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5286

Males

4453

M50-54

4453

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5994

Males

4840

M50-54

4840

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6001

Males

4727

M50-54

4727

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6342

Males

4942

M50-54

4942

Passing Analysis

Category:
Athletes Passed
1573
Passed By
1236
Net Change
+337
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6622
5K → 10K110361-251#6622#6873
10K → 15K98220-122#6873#6995
15K → 20K87297-210#6995#7205
20K → Half1719-2#7205#7207
Half → 25K14967+82#7207#7125
25K → 30K29167+224#7125#6901
30K → 20M14634+112#6901#6789
20M → 21M9961+38#6789#6751
21M → 35K7913+66#6751#6685
35K → 23M15619+137#6685#6548
23M → 24M11315+98#6548#6450
24M → 40K8726+61#6450#6389
40K → 25.2M4312+31#6389#6358
25.2M → Finish9825+73#6358#6285
TOTALS15731236+337
📊

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