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BOSTON MARATHON 2025

Dan Fleming

Bib: 2146•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:16
Rank: #1881
Start → 5K
19:16 | 6:12/mi
10K· 6.21 mi
38:45
Rank: #2061 (-180)
5K → 10K
19:29 | 6:16/mi
15K· 9.32 mi
58:14
Rank: #2096 (-35)
10K → 15K
19:29 | 6:16/mi
20K· 12.43 mi
1:17:42
Rank: #2010 (+86)
15K → 20K
19:28 | 6:16/mi
Half· 13.11 mi
1:21:57
Rank: #2012 (-2)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:37:27
Rank: #2059 (-47)
Half → 25K
15:30 | 6:24/mi
30K· 18.64 mi
1:57:42
Rank: #2006 (+53)
25K → 30K
20:15 | 6:31/mi
20M
2:06:44
Rank: #2008 (-2)
30K → 20M
9:02 | 6:39/mi
21M
2:13:41
Rank: #1983 (+25)
20M → 21M
6:57 | 6:57/mi
35K· 21.75 mi
2:18:27
Rank: #1962 (+21)
21M → 35K
4:46 | 6:22/mi
23M
2:26:53
Rank: #1954 (+8)
35K → 23M
8:26 | 6:44/mi
24M
2:33:15
Rank: #1907 (+47)
23M → 24M
6:22 | 6:22/mi
40K· 24.85 mi
2:38:51
Rank: #1868 (+39)
24M → 40K
5:36 | 6:33/mi
25.2M
2:41:17
Rank: #1859 (+9)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:47:28
Rank: #1787 (+72)
25.2M → Finish
6:11 | 6:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:57
Pace6:15 /mi
2nd Half
Distance13.11 mi
Time1:25:31
Pace6:31 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2219:166:1219:16
6:12
-
10K
6.21 mi10:39:5138:456:1419:29
6:16
+0:04
15K
9.32 mi10:59:2058:146:1519:29
6:16
0:00
20K
12.43 mi11:18:481:17:426:1519:28
6:16
0:00
Half
13.11 mi11:23:031:21:576:154:15
6:14
-0:02
25K
15.53 mi11:38:331:37:276:1615:30
6:24
+0:10
30K
18.64 mi11:58:481:57:426:1920:15
6:31
+0:07
20M
20.00 mi12:07:502:06:446:209:02
6:39
+0:08
21M
21.00 mi12:14:472:13:416:226:57
6:57
+0:18
35K
21.75 mi12:19:332:18:276:224:46
6:22
-0:35
23M
23.00 mi12:27:592:26:536:238:26
6:44
+0:22
24M
24.00 mi12:34:212:33:156:236:22
6:22
-0:22
40K
24.85 mi12:39:572:38:516:235:36
6:33
+0:11
25.2M
25.20 mi12:42:232:41:176:242:26
7:03
+0:30
Finish
26.22 mi12:48:342:47:286:246:11
6:04
-0:59

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

6:04 /mi

Average Pace

6:24 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:39

89% of race

Time at Steady Pace

17:49

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:23 /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 mi10:20:2219:166:1219:16
6:12
#1881
10K
6.21 mi10:39:5138:456:1419:29
6:16
#2061
15K
9.32 mi10:59:2058:146:1519:29
6:16
#2096
20K
12.43 mi11:18:481:17:426:1519:28
6:16
#2010
Half
13.11 mi11:23:031:21:576:154:15
6:14
#2012
25K
15.53 mi11:38:331:37:276:1615:30
6:24
#2059
30K
18.64 mi11:58:481:57:426:1920:15
6:31
#2006
20M
20.00 mi12:07:502:06:446:209:02
6:39
#2008
21M
21.00 mi12:14:472:13:416:226:57
6:57
#1983
35K
21.75 mi12:19:332:18:276:224:46
6:22
#1962
23M
23.00 mi12:27:592:26:536:238:26
6:44
#1954
24M
24.00 mi12:34:212:33:156:236:22
6:22
#1907
40K
24.85 mi12:39:572:38:516:235:36
6:33
#1868
25.2M
25.20 mi12:42:232:41:176:242:26
7:03
#1859
Finish
26.22 mi12:48:342:47:286:246:11
6:04
#1787
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1881178717872211(Top 8%)2107(Top 13%)2107(Top 37%)
10K6.21 mi3.10 mi2061-1801966-1791966-1792241(Top 8%)2142(Top 13%)2142(Top 38%)
15K9.32 mi3.11 mi2096-351999-331999-332211(Top 8%)2107(Top 13%)2107(Top 37%)
20K12.43 mi3.11 mi2010+861918+811918+811870(Top 7%)1781(Top 11%)1781(Top 32%)
Half13.11 mi0.68 mi2012-21922-41922-42168(Top 8%)2072(Top 13%)2072(Top 37%)
25K15.53 mi2.42 mi2059-471964-421964-422340(Top 8%)2225(Top 14%)2225(Top 39%)
30K18.64 mi3.11 mi2006+531910+541910+542062(Top 7%)1961(Top 12%)1961(Top 35%)
20M20.00 mi1.36 mi2008-21913-31913-32231(Top 8%)2109(Top 13%)2109(Top 37%)
21M21.00 mi1.00 mi1983+251887+261887+262072(Top 7%)1947(Top 12%)1947(Top 35%)
35K21.75 mi0.75 mi1962+211865+221865+221917(Top 7%)1801(Top 11%)1801(Top 32%)
23M23.00 mi1.25 mi1954+81855+101855+102418(Top 9%)2245(Top 14%)2245(Top 40%)
24M24.00 mi1.00 mi1907+471809+461809+461553(Top 5%)1452(Top 9%)1452(Top 26%)
40K24.85 mi0.85 mi1868+391770+391770+391806(Top 6%)1669(Top 10%)1669(Top 30%)
25.2M25.20 mi0.35 mi1859+91761+91761+91682(Top 6%)1539(Top 10%)1539(Top 27%)
Finish26.22 mi1.02 mi1787+721692+691692+691115(Top 4%)1045(Top 6%)1045(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2211

Males

2107

M18-39

2107

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2241

Males

2142

M18-39

2142

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2211

Males

2107

M18-39

2107

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1870

Males

1781

M18-39

1781

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2168

Males

2072

M18-39

2072

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2340

Males

2225

M18-39

2225

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2062

Males

1961

M18-39

1961

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2231

Males

2109

M18-39

2109

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

2072

Males

1947

M18-39

1947

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1917

Males

1801

M18-39

1801

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2418

Males

2245

M18-39

2245

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1553

Males

1452

M18-39

1452

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1806

Males

1669

M18-39

1669

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1682

Males

1539

M18-39

1539

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1115

Males

1045

M18-39

1045

Passing Analysis

Category:
Athletes Passed
731
Passed By
637
Net Change
+94
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1881
5K → 10K52232-180#1881#2061
10K → 15K5388-35#2061#2096
15K → 20K11327+86#2096#2010
20K → Half810-2#2010#2012
Half → 25K3986-47#2012#2059
25K → 30K9542+53#2059#2006
30K → 20M3840-2#2006#2008
20M → 21M4621+25#2008#1983
21M → 35K3817+21#1983#1962
35K → 23M5446+8#1962#1954
23M → 24M569+47#1954#1907
24M → 40K478+39#1907#1868
40K → 25.2M167+9#1868#1859
25.2M → Finish764+72#1859#1787
TOTALS731637+94
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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