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BOSTON MARATHON 2025

Sean Kelly

Bib: 4045•M

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Division (M18-39)
#0 / 5642
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:39
Rank: #2586
Start → 5K
19:39 | 6:19/mi
10K· 6.21 mi
39:28
Rank: #2736 (-150)
5K → 10K
19:49 | 6:23/mi
15K· 9.32 mi
59:24
Rank: #2827 (-91)
10K → 15K
19:56 | 6:25/mi
20K· 12.43 mi
1:19:17
Rank: #2732 (+95)
15K → 20K
19:53 | 6:24/mi
Half· 13.11 mi
1:23:38
Rank: #2738 (-6)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:39:41
Rank: #2842 (-104)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:00:04
Rank: #2675 (+167)
25K → 30K
20:23 | 6:34/mi
20M
2:09:00
Rank: #2572 (+103)
30K → 20M
8:56 | 6:34/mi
21M
2:15:50
Rank: #2486 (+86)
20M → 21M
6:50 | 6:50/mi
35K· 21.75 mi
2:20:39
Rank: #2450 (+36)
21M → 35K
4:49 | 6:26/mi
23M
2:28:48
Rank: #2364 (+86)
35K → 23M
8:09 | 6:31/mi
24M
2:35:13
Rank: #2307 (+57)
23M → 24M
6:25 | 6:25/mi
40K· 24.85 mi
2:40:39
Rank: #2214 (+93)
24M → 40K
5:26 | 6:21/mi
25.2M
2:43:00
Rank: #2176 (+38)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:49:06
Rank: #2095 (+81)
25.2M → Finish
6:06 | 5:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:38
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:25:28
Pace6:31 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5219:396:1919:39
6:19
-
10K
6.21 mi10:41:4139:286:2119:49
6:23
+0:04
15K
9.32 mi11:01:3759:246:2219:56
6:25
+0:02
20K
12.43 mi11:21:301:19:176:2319:53
6:24
-0:01
Half
13.11 mi11:25:511:23:386:234:21
6:23
-0:01
25K
15.53 mi11:41:541:39:416:2516:03
6:37
+0:14
30K
18.64 mi12:02:172:00:046:2620:23
6:34
-0:03
20M
20.00 mi12:11:132:09:006:278:56
6:34
0:00
21M
21.00 mi12:18:032:15:506:286:50
6:50
+0:16
35K
21.75 mi12:22:522:20:396:284:49
6:26
-0:24
23M
23.00 mi12:31:012:28:486:288:09
6:31
+0:05
24M
24.00 mi12:37:262:35:136:286:25
6:25
-0:06
40K
24.85 mi12:42:522:40:396:285:26
6:21
-0:04
25.2M
25.20 mi12:45:132:43:006:282:21
6:49
+0:28
Finish
26.22 mi12:51:192:49:066:276:06
5:59
-0:50

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

5:59 /mi

Average Pace

6:27 /mi

Slowest Pace

6:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:52

85% of race

Time at Steady Pace

25:14

15% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:27 /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 mi10:21:5219:396:1919:39
6:19
#2586
10K
6.21 mi10:41:4139:286:2119:49
6:23
#2736
15K
9.32 mi11:01:3759:246:2219:56
6:25
#2827
20K
12.43 mi11:21:301:19:176:2319:53
6:24
#2732
Half
13.11 mi11:25:511:23:386:234:21
6:23
#2738
25K
15.53 mi11:41:541:39:416:2516:03
6:37
#2842
30K
18.64 mi12:02:172:00:046:2620:23
6:34
#2675
20M
20.00 mi12:11:132:09:006:278:56
6:34
#2572
21M
21.00 mi12:18:032:15:506:286:50
6:50
#2486
35K
21.75 mi12:22:522:20:396:284:49
6:26
#2450
23M
23.00 mi12:31:012:28:486:288:09
6:31
#2364
24M
24.00 mi12:37:262:35:136:286:25
6:25
#2307
40K
24.85 mi12:42:522:40:396:285:26
6:21
#2214
25.2M
25.20 mi12:45:132:43:006:282:21
6:49
#2176
Finish
26.22 mi12:51:192:49:066:276:06
5:59
#2095
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2586246224623027(Top 11%)2884(Top 18%)2884(Top 51%)
10K6.21 mi3.10 mi2736-1502605-1432605-1432886(Top 10%)2747(Top 17%)2747(Top 49%)
15K9.32 mi3.11 mi2827-912695-902695-903027(Top 11%)2884(Top 18%)2884(Top 51%)
20K12.43 mi3.11 mi2732+952604+912604+912510(Top 9%)2392(Top 15%)2392(Top 42%)
Half13.11 mi0.68 mi2738-62612-82612-82872(Top 10%)2739(Top 17%)2739(Top 49%)
25K15.53 mi2.42 mi2842-1042711-992711-993563(Top 13%)3355(Top 21%)3355(Top 59%)
30K18.64 mi3.11 mi2675+1672553+1582553+1582232(Top 8%)2111(Top 13%)2111(Top 37%)
20M20.00 mi1.36 mi2572+1032456+972456+971910(Top 7%)1807(Top 11%)1807(Top 32%)
21M21.00 mi1.00 mi2486+862371+852371+851633(Top 6%)1542(Top 10%)1542(Top 27%)
35K21.75 mi0.75 mi2450+362337+342337+342157(Top 8%)2016(Top 13%)2016(Top 36%)
23M23.00 mi1.25 mi2364+862253+842253+841485(Top 5%)1395(Top 9%)1395(Top 25%)
24M24.00 mi1.00 mi2307+572196+572196+571710(Top 6%)1595(Top 10%)1595(Top 28%)
40K24.85 mi0.85 mi2214+932104+922104+921109(Top 4%)1038(Top 6%)1038(Top 18%)
25.2M25.20 mi0.35 mi2176+382067+372067+371032(Top 4%)950(Top 6%)950(Top 17%)
Finish26.22 mi1.02 mi2095+811987+801987+80884(Top 3%)833(Top 5%)833(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3027

Males

2884

M18-39

2884

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2886

Males

2747

M18-39

2747

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3027

Males

2884

M18-39

2884

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2510

Males

2392

M18-39

2392

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2872

Males

2739

M18-39

2739

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3563

Males

3355

M18-39

3355

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2232

Males

2111

M18-39

2111

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1910

Males

1807

M18-39

1807

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1633

Males

1542

M18-39

1542

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2157

Males

2016

M18-39

2016

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1485

Males

1395

M18-39

1395

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1710

Males

1595

M18-39

1595

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1109

Males

1038

M18-39

1038

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1032

Males

950

M18-39

950

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

884

Males

833

M18-39

833

Passing Analysis

Category:
Athletes Passed
1108
Passed By
617
Net Change
+491
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2586
5K → 10K65215-150#2586#2736
10K → 15K46137-91#2736#2827
15K → 20K12934+95#2827#2732
20K → Half1117-6#2732#2738
Half → 25K40144-104#2738#2842
25K → 30K18720+167#2842#2675
30K → 20M1118+103#2675#2572
20M → 21M948+86#2572#2486
21M → 35K4711+36#2486#2450
35K → 23M9812+86#2450#2364
23M → 24M625+57#2364#2307
24M → 40K941+93#2307#2214
40K → 25.2M402+38#2214#2176
25.2M → Finish843+81#2176#2095
TOTALS1108617+491
📊

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