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BOSTON MARATHON 2025

John Kelly

Bib: 28252•M

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
31:32
Rank: #25944
Start → 5K
10:09/mi
31:32 split
10K· 6.21 mi
1:01:56
Rank: #25352 (+592)
5K → 10K
9:47/mi
30:24 split
15K· 9.32 mi
1:32:21
Rank: #25072 (+280)
10K → 15K
9:47/mi
30:25 split
20K· 12.43 mi
2:02:55
Rank: #24737 (+335)
15K → 20K
9:50/mi
30:34 split
Half· 13.11 mi
2:09:29
Rank: #24691 (+46)
20K → Half
9:37/mi
6:34 split
25K· 15.53 mi
2:33:23
Rank: #24443 (+248)
Half → 25K
9:51/mi
23:54 split
30K· 18.64 mi
3:04:52
Rank: #24018 (+425)
25K → 30K
10:08/mi
31:29 split
20M
3:18:55
Rank: #23866 (+152)
30K → 20M
10:20/mi
14:03 split
21M
3:29:54
Rank: #23716 (+150)
20M → 21M
10:59/mi
10:59 split
35K· 21.75 mi
3:37:17
Rank: #23631 (+85)
21M → 35K
9:52/mi
7:23 split
23M
3:50:19
Rank: #23505 (+126)
35K → 23M
10:25/mi
13:02 split
24M
4:01:05
Rank: #23499 (+6)
23M → 24M
10:46/mi
10:46 split
40K· 24.85 mi
4:10:23
Rank: #23488 (+11)
24M → 40K
10:53/mi
9:18 split
25.2M
4:14:46
Rank: #23523 (-35)
40K → 25.2M
12:43/mi
4:23 split
Finish· 26.22 mi
4:25:43
Rank: #23567 (-44)
25.2M → Finish
10:45/mi
10:57 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:29
Pace9:53 /mi
2nd Half
Distance13.11 mi
Time2:16:14
Pace10:24 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0531:3210:0931:32
10:09
-
10K
6.21 mi12:19:291:01:569:5830:24
9:47
-0:22
15K
9.32 mi12:49:541:32:219:5430:25
9:47
0:00
20K
12.43 mi13:20:282:02:559:5330:34
9:50
+0:03
Half
13.11 mi13:27:022:09:299:536:34
9:37
-0:13
25K
15.53 mi13:50:562:33:239:5223:54
9:51
+0:14
30K
18.64 mi14:22:253:04:529:5531:29
10:08
+0:17
20M
20.00 mi14:36:283:18:559:5714:03
10:20
+0:12
21M
21.00 mi14:47:273:29:5410:0010:59
10:59
+0:39
35K
21.75 mi14:54:503:37:179:597:23
9:52
-1:07
23M
23.00 mi15:07:523:50:1910:0113:02
10:25
+0:33
24M
24.00 mi15:18:384:01:0510:0310:46
10:46
+0:21
40K
24.85 mi15:27:564:10:2310:049:18
10:53
+0:07
25.2M
25.20 mi15:32:194:14:4610:074:23
12:43
+1:50
Finish
26.22 mi15:43:164:25:4310:0910:57
10:45
-1:58

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

9:37 /mi

Average Pace

10:09 /mi

Slowest Pace

12:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:34

2% of race

Time at Steady Pace

3:32:46

80% of race

Time at Slower Pace

46:23

17% of race

Average Pace: 10:08 /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 mi11:49:0531:3210:0931:32
10:09
#25944
10K
6.21 mi12:19:291:01:569:5830:24
9:47
#25352
15K
9.32 mi12:49:541:32:219:5430:25
9:47
#25072
20K
12.43 mi13:20:282:02:559:5330:34
9:50
#24737
Half
13.11 mi13:27:022:09:299:536:34
9:37
#24691
25K
15.53 mi13:50:562:33:239:5223:54
9:51
#24443
30K
18.64 mi14:22:253:04:529:5531:29
10:08
#24018
20M
20.00 mi14:36:283:18:559:5714:03
10:20
#23866
21M
21.00 mi14:47:273:29:5410:0010:59
10:59
#23716
35K
21.75 mi14:54:503:37:179:597:23
9:52
#23631
23M
23.00 mi15:07:523:50:1910:0113:02
10:25
#23505
24M
24.00 mi15:18:384:01:0510:0310:46
10:46
#23499
40K
24.85 mi15:27:564:10:2310:049:18
10:53
#23488
25.2M
25.20 mi15:32:194:14:4610:074:23
12:43
#23523
Finish
26.22 mi15:43:164:25:4310:0910:57
10:45
#23567
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi25944151491514924525(Top 86%)14490(Top 90%)14490(Top 726%)
10K6.21 mi3.10 mi25352+59214865+28414865+28424814(Top 87%)14619(Top 91%)14619(Top 732%)
15K9.32 mi3.11 mi25072+28014747+11814747+11824525(Top 86%)14490(Top 90%)14490(Top 726%)
20K12.43 mi3.11 mi24737+33514583+16414583+16423857(Top 84%)14161(Top 88%)14161(Top 709%)
Half13.11 mi0.68 mi24691+4614562+2114562+2123899(Top 84%)14189(Top 88%)14189(Top 711%)
25K15.53 mi2.42 mi24443+24814432+13014432+13022917(Top 81%)13712(Top 85%)13712(Top 687%)
30K18.64 mi3.11 mi24018+42514216+21614216+21622000(Top 77%)13172(Top 82%)13172(Top 660%)
20M20.00 mi1.36 mi23866+15214129+8714129+8721977(Top 77%)13046(Top 81%)13046(Top 654%)
21M21.00 mi1.00 mi23716+15014038+9114038+9121348(Top 75%)12677(Top 79%)12677(Top 635%)
35K21.75 mi0.75 mi23631+8513993+4513993+4521526(Top 76%)12686(Top 79%)12686(Top 636%)
23M23.00 mi1.25 mi23505+12613914+7913914+7921762(Top 77%)12758(Top 79%)12758(Top 639%)
24M24.00 mi1.00 mi23499+613902+1213902+1223487(Top 83%)13555(Top 84%)13555(Top 679%)
40K24.85 mi0.85 mi23488+1113873+2913873+2922852(Top 80%)13173(Top 82%)13173(Top 660%)
25.2M25.20 mi0.35 mi23523-3513879-613879-624573(Top 87%)14048(Top 87%)14048(Top 704%)
Finish26.22 mi1.02 mi23567-4413882-313882-324831(Top 87%)14188(Top 88%)14188(Top 711%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

24525

Males

14490

M50-54

14490

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24814

Males

14619

M50-54

14619

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

24525

Males

14490

M50-54

14490

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23857

Males

14161

M50-54

14161

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23899

Males

14189

M50-54

14189

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

22917

Males

13712

M50-54

13712

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

22000

Males

13172

M50-54

13172

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

21977

Males

13046

M50-54

13046

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21348

Males

12677

M50-54

12677

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21526

Males

12686

M50-54

12686

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

21762

Males

12758

M50-54

12758

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23487

Males

13555

M50-54

13555

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22852

Males

13173

M50-54

13173

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24573

Males

14048

M50-54

14048

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24831

Males

14188

M50-54

14188

Passing Analysis

Category:
Athletes Passed
2737
Passed By
360
Net Change
+2377
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25944
5K → 10K61725+592#25944#25352
10K → 15K30929+280#25352#25072
15K → 20K34813+335#25072#24737
20K → Half548+46#24737#24691
Half → 25K26012+248#24691#24443
25K → 30K43813+425#24443#24018
30K → 20M16210+152#24018#23866
20M → 21M16515+150#23866#23716
21M → 35K949+85#23716#23631
35K → 23M14115+126#23631#23505
23M → 24M4842+6#23505#23499
24M → 40K5140+11#23499#23488
40K → 25.2M1954-35#23488#23523
25.2M → Finish3175-44#23523#23567
TOTALS2737360+2377
📊

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