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BOSTON MARATHON 2025

Brendan Smith

Bib: 2263•M

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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:56
Rank: #1399
Start → 5K
18:56 | 6:06/mi
10K· 6.21 mi
38:08
Rank: #1579 (-180)
5K → 10K
19:12 | 6:11/mi
15K· 9.32 mi
57:34
Rank: #1746 (-167)
10K → 15K
19:26 | 6:15/mi
20K· 12.43 mi
1:17:09
Rank: #1793 (-47)
15K → 20K
19:35 | 6:18/mi
Half· 13.11 mi
1:21:26
Rank: #1824 (-31)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:36:48
Rank: #1842 (-18)
Half → 25K
15:22 | 6:20/mi
30K· 18.64 mi
1:56:40
Rank: #1755 (+87)
25K → 30K
19:52 | 6:24/mi
20M
2:05:39
Rank: #1752 (+3)
30K → 20M
8:59 | 6:37/mi
21M
2:12:37
Rank: #1738 (+14)
20M → 21M
6:58 | 6:58/mi
35K· 21.75 mi
2:17:21
Rank: #1718 (+20)
21M → 35K
4:44 | 6:20/mi
23M
2:25:44
Rank: #1719 (-1)
35K → 23M
8:23 | 6:42/mi
24M
2:33:03
Rank: #1858 (-139)
23M → 24M
7:19 | 7:19/mi
40K· 24.85 mi
2:39:01
Rank: #1904 (-46)
24M → 40K
5:58 | 6:59/mi
25.2M
2:41:35
Rank: #1908 (-4)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:48:21
Rank: #1942 (-34)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:26
Pace6:13 /mi
2nd Half
Distance13.11 mi
Time1:26:55
Pace6:38 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2518:566:0618:56
6:06
-
10K
6.21 mi10:38:3738:086:0819:12
6:11
+0:05
15K
9.32 mi10:58:0357:346:1119:26
6:15
+0:04
20K
12.43 mi11:17:381:17:096:1219:35
6:18
+0:03
Half
13.11 mi11:21:551:21:266:134:17
6:17
-0:01
25K
15.53 mi11:37:171:36:486:1415:22
6:20
+0:03
30K
18.64 mi11:57:091:56:406:1619:52
6:24
+0:04
20M
20.00 mi12:06:082:05:396:178:59
6:37
+0:13
21M
21.00 mi12:13:062:12:376:196:58
6:58
+0:21
35K
21.75 mi12:17:502:17:216:194:44
6:20
-0:38
23M
23.00 mi12:26:132:25:446:208:23
6:42
+0:22
24M
24.00 mi12:33:322:33:036:237:19
7:19
+0:37
40K
24.85 mi12:39:302:39:016:245:58
6:59
-0:20
25.2M
25.20 mi12:42:042:41:356:252:34
7:27
+0:28
Finish
26.22 mi12:48:502:48:216:266:46
6:38
-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

6:06 /mi

Average Pace

6:26 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:08

23% of race

Time at Steady Pace

1:23:16

49% of race

Time at Slower Pace

46:57

28% of race

Average Pace: 6:25 /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 mi10:19:2518:566:0618:56
6:06
#1399
10K
6.21 mi10:38:3738:086:0819:12
6:11
#1579
15K
9.32 mi10:58:0357:346:1119:26
6:15
#1746
20K
12.43 mi11:17:381:17:096:1219:35
6:18
#1793
Half
13.11 mi11:21:551:21:266:134:17
6:17
#1824
25K
15.53 mi11:37:171:36:486:1415:22
6:20
#1842
30K
18.64 mi11:57:091:56:406:1619:52
6:24
#1755
20M
20.00 mi12:06:082:05:396:178:59
6:37
#1752
21M
21.00 mi12:13:062:12:376:196:58
6:58
#1738
35K
21.75 mi12:17:502:17:216:194:44
6:20
#1718
23M
23.00 mi12:26:132:25:446:208:23
6:42
#1719
24M
24.00 mi12:33:322:33:036:237:19
7:19
#1858
40K
24.85 mi12:39:302:39:016:245:58
6:59
#1904
25.2M
25.20 mi12:42:042:41:356:252:34
7:27
#1908
Finish
26.22 mi12:48:502:48:216:266:46
6:38
#1942
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1399133113312115(Top 7%)2017(Top 13%)2017(Top 36%)
10K6.21 mi3.10 mi1579-1801501-1701501-1701804(Top 6%)1713(Top 11%)1713(Top 30%)
15K9.32 mi3.11 mi1746-1671660-1591660-1592115(Top 7%)2017(Top 13%)2017(Top 36%)
20K12.43 mi3.11 mi1793-471704-441704-442017(Top 7%)1922(Top 12%)1922(Top 34%)
Half13.11 mi0.68 mi1824-311735-311735-312342(Top 8%)2239(Top 14%)2239(Top 40%)
25K15.53 mi2.42 mi1842-181753-181753-182045(Top 7%)1948(Top 12%)1948(Top 35%)
30K18.64 mi3.11 mi1755+871670+831670+831532(Top 5%)1450(Top 9%)1450(Top 26%)
20M20.00 mi1.36 mi1752+31665+51665+52053(Top 7%)1942(Top 12%)1942(Top 34%)
21M21.00 mi1.00 mi1738+141650+151650+152113(Top 7%)1978(Top 12%)1978(Top 35%)
35K21.75 mi0.75 mi1718+201628+221628+221702(Top 6%)1596(Top 10%)1596(Top 28%)
23M23.00 mi1.25 mi1719-11629-11629-12214(Top 8%)2065(Top 13%)2065(Top 37%)
24M24.00 mi1.00 mi1858-1391761-1321761-1326465(Top 23%)5187(Top 32%)5187(Top 92%)
40K24.85 mi0.85 mi1904-461804-431804-433719(Top 13%)3264(Top 20%)3264(Top 58%)
25.2M25.20 mi0.35 mi1908-41806-21806-23074(Top 11%)2715(Top 17%)2715(Top 48%)
Finish26.22 mi1.02 mi1942-341840-341840-343518(Top 12%)3065(Top 19%)3065(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

2115

Males

2017

M18-39

2017

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1804

Males

1713

M18-39

1713

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

2115

Males

2017

M18-39

2017

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2017

Males

1922

M18-39

1922

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2342

Males

2239

M18-39

2239

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2045

Males

1948

M18-39

1948

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1532

Males

1450

M18-39

1450

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

2053

Males

1942

M18-39

1942

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

2113

Males

1978

M18-39

1978

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1702

Males

1596

M18-39

1596

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2214

Males

2065

M18-39

2065

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6465

Males

5187

M18-39

5187

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3719

Males

3264

M18-39

3264

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3074

Males

2715

M18-39

2715

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3518

Males

3065

M18-39

3065

Passing Analysis

Category:
Athletes Passed
453
Passed By
996
Net Change
-543
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1399
5K → 10K17197-180#1399#1579
10K → 15K20187-167#1579#1746
15K → 20K4491-47#1746#1793
20K → Half334-31#1793#1824
Half → 25K4159-18#1824#1842
25K → 30K11831+87#1842#1755
30K → 20M4239+3#1755#1752
20M → 21M4228+14#1752#1738
21M → 35K3010+20#1738#1718
35K → 23M4243-1#1718#1719
23M → 24M8147-139#1719#1858
24M → 40K2268-46#1858#1904
40K → 25.2M812-4#1904#1908
25.2M → Finish1650-34#1908#1942
TOTALS453996-543
📊

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