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BOSTON MARATHON 2025

Adam Horn

Bib: 4481•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
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
20:07
Rank: #3655
Start → 5K
20:07 | 6:28/mi
10K· 6.21 mi
39:47
Rank: #3089 (+566)
5K → 10K
19:40 | 6:20/mi
15K· 9.32 mi
59:22
Rank: #2806 (+283)
10K → 15K
19:35 | 6:18/mi
20K· 12.43 mi
1:18:53
Rank: #2539 (+267)
15K → 20K
19:31 | 6:17/mi
Half· 13.11 mi
1:23:07
Rank: #2502 (+37)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:38:17
Rank: #2325 (+177)
Half → 25K
15:10 | 6:15/mi
30K· 18.64 mi
1:58:18
Rank: #2161 (+164)
25K → 30K
20:01 | 6:27/mi
20M
2:07:06
Rank: #2098 (+63)
30K → 20M
8:48 | 6:29/mi
21M
2:13:53
Rank: #2042 (+56)
20M → 21M
6:47 | 6:47/mi
35K· 21.75 mi
2:18:38
Rank: #2010 (+32)
21M → 35K
4:45 | 6:21/mi
23M
2:26:43
Rank: #1911 (+99)
35K → 23M
8:05 | 6:27/mi
24M
2:33:00
Rank: #1854 (+57)
23M → 24M
6:17 | 6:17/mi
40K· 24.85 mi
2:38:35
Rank: #1827 (+27)
24M → 40K
5:35 | 6:32/mi
25.2M
2:41:02
Rank: #1813 (+14)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:47:26
Rank: #1782 (+31)
25.2M → Finish
6:24 | 6:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:07
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:24:19
Pace6:26 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4120:076:2820:07
6:28
-
10K
6.21 mi10:42:2139:476:2419:40
6:20
-0:08
15K
9.32 mi11:01:5659:226:2219:35
6:18
-0:02
20K
12.43 mi11:21:271:18:536:2119:31
6:17
-0:01
Half
13.11 mi11:25:411:23:076:204:14
6:12
-0:05
25K
15.53 mi11:40:511:38:176:2015:10
6:15
+0:03
30K
18.64 mi12:00:521:58:186:2120:01
6:27
+0:12
20M
20.00 mi12:09:402:07:066:218:48
6:29
+0:02
21M
21.00 mi12:16:272:13:536:236:47
6:47
+0:18
35K
21.75 mi12:21:122:18:386:224:45
6:21
-0:26
23M
23.00 mi12:29:172:26:436:238:05
6:27
+0:06
24M
24.00 mi12:35:342:33:006:236:17
6:17
-0:10
40K
24.85 mi12:41:092:38:356:235:35
6:32
+0:15
25.2M
25.20 mi12:43:362:41:026:232:27
7:06
+0:34
Finish
26.22 mi12:50:002:47:266:236:24
6:17
-0:49

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

6:12 /mi

Average Pace

6:23 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:59

99% of race

Time at Steady Pace

2:27

1% 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 mi10:22:4120:076:2820:07
6:28
#3655
10K
6.21 mi10:42:2139:476:2419:40
6:20
#3089
15K
9.32 mi11:01:5659:226:2219:35
6:18
#2806
20K
12.43 mi11:21:271:18:536:2119:31
6:17
#2539
Half
13.11 mi11:25:411:23:076:204:14
6:12
#2502
25K
15.53 mi11:40:511:38:176:2015:10
6:15
#2325
30K
18.64 mi12:00:521:58:186:2120:01
6:27
#2161
20M
20.00 mi12:09:402:07:066:218:48
6:29
#2098
21M
21.00 mi12:16:272:13:536:236:47
6:47
#2042
35K
21.75 mi12:21:122:18:386:224:45
6:21
#2010
23M
23.00 mi12:29:172:26:436:238:05
6:27
#1911
24M
24.00 mi12:35:342:33:006:236:17
6:17
#1854
40K
24.85 mi12:41:092:38:356:235:35
6:32
#1827
25.2M
25.20 mi12:43:362:41:026:232:27
7:06
#1813
Finish
26.22 mi12:50:002:47:266:236:24
6:17
#1782
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3655346734672350(Top 8%)2242(Top 14%)2242(Top 40%)
10K6.21 mi3.10 mi3089+5662938+5292938+5292617(Top 9%)2495(Top 15%)2495(Top 44%)
15K9.32 mi3.11 mi2806+2832675+2632675+2632350(Top 8%)2242(Top 14%)2242(Top 40%)
20K12.43 mi3.11 mi2539+2672422+2532422+2531937(Top 7%)1845(Top 11%)1845(Top 33%)
Half13.11 mi0.68 mi2502+372389+332389+332036(Top 7%)1945(Top 12%)1945(Top 34%)
25K15.53 mi2.42 mi2325+1772218+1712218+1711681(Top 6%)1598(Top 10%)1598(Top 28%)
30K18.64 mi3.11 mi2161+1642058+1602058+1601742(Top 6%)1655(Top 10%)1655(Top 29%)
20M20.00 mi1.36 mi2098+631997+611997+611554(Top 5%)1469(Top 9%)1469(Top 26%)
21M21.00 mi1.00 mi2042+561943+541943+541493(Top 5%)1409(Top 9%)1409(Top 25%)
35K21.75 mi0.75 mi2010+321911+321911+321833(Top 6%)1722(Top 11%)1722(Top 31%)
23M23.00 mi1.25 mi1911+991813+981813+981331(Top 5%)1252(Top 8%)1252(Top 22%)
24M24.00 mi1.00 mi1854+571757+561757+561280(Top 5%)1199(Top 7%)1199(Top 21%)
40K24.85 mi0.85 mi1827+271730+271730+271736(Top 6%)1606(Top 10%)1606(Top 28%)
25.2M25.20 mi0.35 mi1813+141717+131717+131822(Top 6%)1661(Top 10%)1661(Top 29%)
Finish26.22 mi1.02 mi1782+311687+301687+301822(Top 6%)1685(Top 10%)1685(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2350

Males

2242

M18-39

2242

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2617

Males

2495

M18-39

2495

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2350

Males

2242

M18-39

2242

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1937

Males

1845

M18-39

1845

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

2036

Males

1945

M18-39

1945

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1681

Males

1598

M18-39

1598

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1742

Males

1655

M18-39

1655

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1554

Males

1469

M18-39

1469

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1493

Males

1409

M18-39

1409

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1833

Males

1722

M18-39

1722

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1331

Males

1252

M18-39

1252

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1280

Males

1199

M18-39

1199

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1736

Males

1606

M18-39

1606

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1822

Males

1661

M18-39

1661

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1822

Males

1685

M18-39

1685

Passing Analysis

Category:
Athletes Passed
1991
Passed By
118
Net Change
+1873
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3655
5K → 10K5759+566#3655#3089
10K → 15K2918+283#3089#2806
15K → 20K2725+267#2806#2539
20K → Half381+37#2539#2502
Half → 25K1814+177#2502#2325
25K → 30K17814+164#2325#2161
30K → 20M729+63#2161#2098
20M → 21M6711+56#2098#2042
21M → 35K419+32#2042#2010
35K → 23M1078+99#2010#1911
23M → 24M658+57#1911#1854
24M → 40K3811+27#1854#1827
40K → 25.2M217+14#1827#1813
25.2M → Finish4514+31#1813#1782
TOTALS1991118+1873
📊

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