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BOSTON MARATHON 2025

Matthew Brown

Bib: 12106•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 36%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:03/mi
21:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:12/mi
44:16
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:06:46
↑ 67↓ 78
20K· 12.43 mi
7:16/mi
1:29:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:34:16
↑ 19↓ 370.5%
25K· 15.53 mi
7:27/mi
1:52:19
↑ 66↓ 880.2%
30K· 18.64 mi
7:39/mi
2:16:06
↑ 181↓ 1480.2%
20M
7:47/mi
2:26:41
↑ 64↓ 500.2%
21M
8:37/mi
2:35:18
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
2:41:29
↑ 17↓ 861.7%
23M
8:19/mi
2:51:54
↑ 23↓ 630.6%
24M
8:31/mi
3:00:25
↓ 821.3%
40K· 24.85 mi
8:28/mi
3:07:39
↓ 200.3%
25.2M
8:51/mi
3:10:42
↑ 13↓ 160.2%
Finish· 26.22 mi
7:38/mi
3:18:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:16
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:44:13
Pace7:57 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3821:547:0321:54
7:03
-
10K
6.21 mi11:12:0044:167:0722:22
7:12
+0:09
15K
9.32 mi11:34:301:06:467:1022:30
7:15
+0:03
20K
12.43 mi11:57:041:29:207:1122:34
7:16
+0:01
Half
13.11 mi12:02:001:34:167:114:56
7:14
-0:02
25K
15.53 mi12:20:031:52:197:1418:03
7:27
+0:13
30K
18.64 mi12:43:502:16:067:1823:47
7:39
+0:12
20M
20.00 mi12:54:252:26:417:2010:35
7:47
+0:08
21M
21.00 mi13:03:022:35:187:248:37
8:37
+0:50
35K
21.75 mi13:09:132:41:297:266:11
8:16
-0:21
23M
23.00 mi13:19:382:51:547:2810:25
8:19
+0:03
24M
24.00 mi13:28:093:00:257:318:31
8:31
+0:12
40K
24.85 mi13:35:233:07:397:337:14
8:28
-0:03
25.2M
25.20 mi13:38:263:10:427:343:03
8:51
+0:23
Finish
26.22 mi13:46:133:18:297:357:47
7:38
-1:13

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

7:03 /mi

Average Pace

7:35 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:16

47% of race

Time at Steady Pace

1:00:12

30% of race

Time at Slower Pace

44:01

22% of race

Average Pace: 7:34 /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 mi10:49:3821:547:0321:54
7:03
#8208
10K
6.21 mi11:12:0044:167:0722:22
7:12
#8819
15K
9.32 mi11:34:301:06:467:1022:30
7:15
#9012
20K
12.43 mi11:57:041:29:207:1122:34
7:16
#8878
Half
13.11 mi12:02:001:34:167:114:56
7:14
#8891
25K
15.53 mi12:20:031:52:197:1418:03
7:27
#8950
30K
18.64 mi12:43:502:16:067:1823:47
7:39
#8843
20M
20.00 mi12:54:252:26:417:2010:35
7:47
#8813
21M
21.00 mi13:03:022:35:187:248:37
8:37
#8947
35K
21.75 mi13:09:132:41:297:266:11
8:16
#9129
23M
23.00 mi13:19:382:51:547:2810:25
8:19
#9268
24M
24.00 mi13:28:093:00:257:318:31
8:31
#9524
40K
24.85 mi13:35:233:07:397:337:14
8:28
#9650
25.2M
25.20 mi13:38:263:10:427:343:03
8:51
#9666
Finish
26.22 mi13:46:133:18:297:357:47
7:38
#9671
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8208713071309475(Top 33%)7809(Top 48%)7809(Top 327%)
10K6.21 mi3.10 mi8819-6117492-3627492-3629471(Top 33%)7859(Top 49%)7859(Top 329%)
15K9.32 mi3.11 mi9012-1937591-997591-999475(Top 33%)7809(Top 48%)7809(Top 327%)
20K12.43 mi3.11 mi8878+1347492+997492+998724(Top 31%)7290(Top 45%)7290(Top 306%)
Half13.11 mi0.68 mi8891-137493-17493-19325(Top 33%)7668(Top 48%)7668(Top 321%)
25K15.53 mi2.42 mi8950-597502-97502-99491(Top 33%)7592(Top 47%)7592(Top 318%)
30K18.64 mi3.11 mi8843+1077380+1227380+1228857(Top 31%)7064(Top 44%)7064(Top 296%)
20M20.00 mi1.36 mi8813+307325+557325+558935(Top 31%)6959(Top 43%)6959(Top 292%)
21M21.00 mi1.00 mi8947-1347373-487373-4811164(Top 39%)7949(Top 49%)7949(Top 333%)
35K21.75 mi0.75 mi9129-1827448-757448-7513981(Top 49%)9266(Top 58%)9266(Top 388%)
23M23.00 mi1.25 mi9268-1397487-397487-3912131(Top 43%)8288(Top 51%)8288(Top 347%)
24M24.00 mi1.00 mi9524-2567590-1037590-10314575(Top 51%)9388(Top 58%)9388(Top 393%)
40K24.85 mi0.85 mi9650-1267623-337623-3313146(Top 46%)8585(Top 53%)8585(Top 360%)
25.2M25.20 mi0.35 mi9666-167614+97614+910843(Top 38%)7396(Top 46%)7396(Top 310%)
Finish26.22 mi1.02 mi9671-57571+437571+4310201(Top 36%)7087(Top 44%)7087(Top 297%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9475

Males

7809

M45-49

7809

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

9471

Males

7859

M45-49

7859

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9475

Males

7809

M45-49

7809

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8724

Males

7290

M45-49

7290

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

9325

Males

7668

M45-49

7668

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9491

Males

7592

M45-49

7592

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8857

Males

7064

M45-49

7064

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8935

Males

6959

M45-49

6959

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11164

Males

7949

M45-49

7949

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

13981

Males

9266

M45-49

9266

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12131

Males

8288

M45-49

8288

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

14575

Males

9388

M45-49

9388

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13146

Males

8585

M45-49

8585

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10843

Males

7396

M45-49

7396

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10201

Males

7087

M45-49

7087

Passing Analysis

Category:
Athletes Passed
1247
Passed By
2710
Net Change
-1463
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8208
5K → 10K46657-611#8208#8819
10K → 15K102295-193#8819#9012
15K → 20K22692+134#9012#8878
20K → Half2942-13#8878#8891
Half → 25K134193-59#8891#8950
25K → 30K266159+107#8950#8843
30K → 20M11181+30#8843#8813
20M → 21M59193-134#8813#8947
21M → 35K27209-182#8947#9129
35K → 23M74213-139#9129#9268
23M → 24M32288-256#9268#9524
24M → 40K41167-126#9524#9650
40K → 25.2M3349-16#9650#9666
25.2M → Finish6772-5#9666#9671
TOTALS12472710-1463
📊

Passing Visuals

Category:
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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