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BOSTON MARATHON 2025

David Kelly

Bib: 3221•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 31%
Masters (Masters Men)
#0 / 10463
Top 17%
Division (M40-44)
#0 / 2247
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:12
Rank: #6502
Start → 5K
21:12 | 6:49/mi
10K· 6.21 mi
42:27
Rank: #6589 (-87)
5K → 10K
21:15 | 6:50/mi
15K· 9.32 mi
1:03:44
Rank: #6543 (+46)
10K → 15K
21:17 | 6:51/mi
20K· 12.43 mi
1:25:18
Rank: #6530 (+13)
15K → 20K
21:34 | 6:56/mi
Half· 13.11 mi
1:30:03
Rank: #6583 (-53)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:46:36
Rank: #6276 (+307)
Half → 25K
16:33 | 6:50/mi
30K· 18.64 mi
2:08:16
Rank: #5824 (+452)
25K → 30K
21:40 | 6:58/mi
20M
2:17:49
Rank: #5682 (+142)
30K → 20M
9:33 | 7:02/mi
21M
2:25:08
Rank: #5514 (+168)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:30:16
Rank: #5451 (+63)
21M → 35K
5:08 | 6:52/mi
23M
2:39:18
Rank: #5360 (+91)
35K → 23M
9:02 | 7:13/mi
24M
2:46:47
Rank: #5405 (-45)
23M → 24M
7:29 | 7:29/mi
40K· 24.85 mi
2:53:15
Rank: #5405
24M → 40K
6:28 | 7:34/mi
25.2M
2:56:13
Rank: #5421 (-16)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:03:49
Rank: #5475 (-54)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:03
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:33:46
Pace7:09 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4021:126:4921:12
6:49
-
10K
6.21 mi10:43:5542:276:5021:15
6:50
+0:01
15K
9.32 mi11:05:121:03:446:5021:17
6:51
+0:01
20K
12.43 mi11:26:461:25:186:5221:34
6:56
+0:05
Half
13.11 mi11:31:311:30:036:524:45
6:58
+0:02
25K
15.53 mi11:48:041:46:366:5216:33
6:50
-0:08
30K
18.64 mi12:09:442:08:166:5321:40
6:58
+0:08
20M
20.00 mi12:19:172:17:496:539:33
7:02
+0:04
21M
21.00 mi12:26:362:25:086:557:19
7:19
+0:17
35K
21.75 mi12:31:442:30:166:555:08
6:52
-0:27
23M
23.00 mi12:40:462:39:186:569:02
7:13
+0:21
24M
24.00 mi12:48:152:46:476:577:29
7:29
+0:16
40K
24.85 mi12:54:432:53:156:586:28
7:34
+0:05
25.2M
25.20 mi12:57:412:56:137:002:58
8:36
+1:02
Finish
26.22 mi13:05:173:03:497:017:36
7:27
-1:09

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

6:49 /mi

Average Pace

7:01 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:22:57

78% of race

Time at Slower Pace

40:52

22% of race

Average Pace: 7:01 /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 mi10:22:4021:126:4921:12
6:49
#6502
10K
6.21 mi10:43:5542:276:5021:15
6:50
#6589
15K
9.32 mi11:05:121:03:446:5021:17
6:51
#6543
20K
12.43 mi11:26:461:25:186:5221:34
6:56
#6530
Half
13.11 mi11:31:311:30:036:524:45
6:58
#6583
25K
15.53 mi11:48:041:46:366:5216:33
6:50
#6276
30K
18.64 mi12:09:442:08:166:5321:40
6:58
#5824
20M
20.00 mi12:19:172:17:496:539:33
7:02
#5682
21M
21.00 mi12:26:362:25:086:557:19
7:19
#5514
35K
21.75 mi12:31:442:30:166:555:08
6:52
#5451
23M
23.00 mi12:40:462:39:186:569:02
7:13
#5360
24M
24.00 mi12:48:152:46:476:577:29
7:29
#5405
40K
24.85 mi12:54:432:53:156:586:28
7:34
#5405
25.2M
25.20 mi12:57:412:56:137:002:58
8:36
#5421
Finish
26.22 mi13:05:173:03:497:017:36
7:27
#5475
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6502591959196577(Top 23%)5928(Top 37%)5928(Top 264%)
10K6.21 mi3.10 mi6589-875981-625981-626782(Top 24%)6111(Top 38%)6111(Top 272%)
15K9.32 mi3.11 mi6543+465917+645917+646577(Top 23%)5928(Top 37%)5928(Top 264%)
20K12.43 mi3.11 mi6530+135904+135904+136514(Top 23%)5836(Top 36%)5836(Top 260%)
Half13.11 mi0.68 mi6583-535946-425946-427262(Top 26%)6404(Top 40%)6404(Top 285%)
25K15.53 mi2.42 mi6276+3075681+2655681+2655083(Top 18%)4660(Top 29%)4660(Top 207%)
30K18.64 mi3.11 mi5824+4525299+3825299+3824550(Top 16%)4158(Top 26%)4158(Top 185%)
20M20.00 mi1.36 mi5682+1425177+1225177+1224299(Top 15%)3922(Top 24%)3922(Top 175%)
21M21.00 mi1.00 mi5514+1685030+1475030+1473716(Top 13%)3398(Top 21%)3398(Top 151%)
35K21.75 mi0.75 mi5451+634971+594971+594520(Top 16%)4022(Top 25%)4022(Top 179%)
23M23.00 mi1.25 mi5360+914884+874884+874974(Top 18%)4300(Top 27%)4300(Top 191%)
24M24.00 mi1.00 mi5405-454911-274911-277542(Top 27%)5831(Top 36%)5831(Top 260%)
40K24.85 mi0.85 mi54054894+174894+177152(Top 25%)5513(Top 34%)5513(Top 245%)
25.2M25.20 mi0.35 mi5421-164897-34897-39327(Top 33%)6579(Top 41%)6579(Top 293%)
Finish26.22 mi1.02 mi5475-544927-304927-308862(Top 31%)6362(Top 40%)6362(Top 283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6577

Males

5928

M40-44

5928

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6782

Males

6111

M40-44

6111

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6577

Males

5928

M40-44

5928

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6514

Males

5836

M40-44

5836

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7262

Males

6404

M40-44

6404

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5083

Males

4660

M40-44

4660

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4550

Males

4158

M40-44

4158

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4299

Males

3922

M40-44

3922

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3716

Males

3398

M40-44

3398

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4520

Males

4022

M40-44

4022

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4974

Males

4300

M40-44

4300

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7542

Males

5831

M40-44

5831

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7152

Males

5513

M40-44

5513

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9327

Males

6579

M40-44

6579

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8862

Males

6362

M40-44

6362

Passing Analysis

Category:
Athletes Passed
1931
Passed By
904
Net Change
+1027
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6502
5K → 10K151238-87#6502#6589
10K → 15K183137+46#6589#6543
15K → 20K144131+13#6543#6530
20K → Half1164-53#6530#6583
Half → 25K31811+307#6583#6276
25K → 30K4619+452#6276#5824
30K → 20M15311+142#5824#5682
20M → 21M1757+168#5682#5514
21M → 35K7411+63#5514#5451
35K → 23M12938+91#5451#5360
23M → 24M3176-45#5360#5405
24M → 40K52520#5405#5405
40K → 25.2M2137-16#5405#5421
25.2M → Finish2882-54#5421#5475
TOTALS1931904+1027
📊

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