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BOSTON MARATHON 2025

Brian Buhr

Bib: 2393•M

PA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:53
Rank: #13859
Start → 5K
23:53 | 7:41/mi
10K· 6.21 mi
48:26
Rank: #14737 (-878)
5K → 10K
24:33 | 7:54/mi
15K· 9.32 mi
1:13:28
Rank: #15350 (-613)
10K → 15K
25:02 | 8:03/mi
20K· 12.43 mi
1:39:24
Rank: #15909 (-559)
15K → 20K
25:56 | 8:21/mi
Half· 13.11 mi
1:44:40
Rank: #15801 (+108)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
2:04:31
Rank: #15680 (+121)
Half → 25K
19:51 | 8:11/mi
30K· 18.64 mi
2:31:53
Rank: #15852 (-172)
25K → 30K
27:22 | 8:49/mi
20M
2:44:22
Rank: #15989 (-137)
30K → 20M
12:29 | 9:11/mi
21M
2:54:33
Rank: #16156 (-167)
20M → 21M
10:11 | 10:11/mi
35K· 21.75 mi
3:03:03
Rank: #16730 (-574)
21M → 35K
8:30 | 11:22/mi
23M
3:17:07
Rank: #17474 (-744)
35K → 23M
14:04 | 11:14/mi
24M
3:29:41
Rank: #18370 (-896)
23M → 24M
12:34 | 12:34/mi
40K· 24.85 mi
3:38:31
Rank: #18552 (-182)
24M → 40K
8:50 | 10:20/mi
25.2M
3:42:00
Rank: #18540 (+12)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:49:24
Rank: #18179 (+361)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:40
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time2:04:44
Pace9:31 /mi
📊Positive Split: 19.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0223:537:4123:53
7:41
-
10K
6.21 mi11:14:3548:267:4824:33
7:54
+0:13
15K
9.32 mi11:39:371:13:287:5325:02
8:03
+0:09
20K
12.43 mi12:05:331:39:248:0025:56
8:21
+0:18
Half
13.11 mi12:10:491:44:407:595:16
7:43
-0:38
25K
15.53 mi12:30:402:04:318:0119:51
8:11
+0:28
30K
18.64 mi12:58:022:31:538:0927:22
8:49
+0:38
20M
20.00 mi13:10:312:44:228:1312:29
9:11
+0:22
21M
21.00 mi13:20:422:54:338:1910:11
10:11
+1:00
35K
21.75 mi13:29:123:03:038:258:30
11:22
+1:11
23M
23.00 mi13:43:163:17:078:3414:04
11:14
-0:08
24M
24.00 mi13:55:503:29:418:4412:34
12:34
+1:20
40K
24.85 mi14:04:403:38:318:488:50
10:20
-2:14
25.2M
25.20 mi14:08:093:42:008:493:29
10:06
-0:14
Finish
26.22 mi14:15:333:49:248:457:24
7:16
-2:50

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

7:16 /mi

Average Pace

8:45 /mi

Slowest Pace

12:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:06

27% of race

Time at Steady Pace

1:50:40

48% of race

Time at Slower Pace

57:38

25% of race

Average Pace: 8:45 /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 mi10:50:0223:537:4123:53
7:41
#13859
10K
6.21 mi11:14:3548:267:4824:33
7:54
#14737
15K
9.32 mi11:39:371:13:287:5325:02
8:03
#15350
20K
12.43 mi12:05:331:39:248:0025:56
8:21
#15909
Half
13.11 mi12:10:491:44:407:595:16
7:43
#15801
25K
15.53 mi12:30:402:04:318:0119:51
8:11
#15680
30K
18.64 mi12:58:022:31:538:0927:22
8:49
#15852
20M
20.00 mi13:10:312:44:228:1312:29
9:11
#15989
21M
21.00 mi13:20:422:54:338:1910:11
10:11
#16156
35K
21.75 mi13:29:123:03:038:258:30
11:22
#16730
23M
23.00 mi13:43:163:17:078:3414:04
11:14
#17474
24M
24.00 mi13:55:503:29:418:4412:34
12:34
#18370
40K
24.85 mi14:04:403:38:318:488:50
10:20
#18552
25.2M
25.20 mi14:08:093:42:008:493:29
10:06
#18540
Finish
26.22 mi14:15:333:49:248:457:24
7:16
#18179
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi13859100111001116460(Top 58%)11003(Top 68%)11003(Top 195%)
10K6.21 mi3.10 mi14737-87810305-29410305-29415671(Top 55%)10701(Top 66%)10701(Top 190%)
15K9.32 mi3.11 mi15350-61310548-24310548-24316460(Top 58%)11003(Top 68%)11003(Top 195%)
20K12.43 mi3.11 mi15909-55910765-21710765-21717202(Top 61%)11268(Top 70%)11268(Top 200%)
Half13.11 mi0.68 mi15801+10810723+4210723+4213548(Top 48%)9736(Top 60%)9736(Top 173%)
25K15.53 mi2.42 mi15680+12110649+7410649+7415229(Top 54%)10329(Top 64%)10329(Top 183%)
30K18.64 mi3.11 mi15852-17210669-2010669-2016650(Top 59%)10776(Top 67%)10776(Top 191%)
20M20.00 mi1.36 mi15989-13710681-1210681-1217710(Top 62%)11128(Top 69%)11128(Top 197%)
21M21.00 mi1.00 mi16156-16710728-4710728-4718961(Top 67%)11595(Top 72%)11595(Top 206%)
35K21.75 mi0.75 mi16730-57410951-22310951-22324861(Top 88%)14281(Top 89%)14281(Top 253%)
23M23.00 mi1.25 mi17474-74411216-26511216-26523740(Top 84%)13699(Top 85%)13699(Top 243%)
24M24.00 mi1.00 mi18370-89611599-38311599-38326386(Top 93%)15002(Top 93%)15002(Top 266%)
40K24.85 mi0.85 mi18552-18211651-5211651-5221454(Top 76%)12494(Top 78%)12494(Top 221%)
25.2M25.20 mi0.35 mi18540+1211630+2111630+2117431(Top 61%)10571(Top 66%)10571(Top 187%)
Finish26.22 mi1.02 mi18179+36111460+17011460+1707508(Top 26%)5641(Top 35%)5641(Top 100%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16460

Males

11003

M18-39

11003

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

15671

Males

10701

M18-39

10701

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16460

Males

11003

M18-39

11003

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

17202

Males

11268

M18-39

11268

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

13548

Males

9736

M18-39

9736

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

15229

Males

10329

M18-39

10329

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16650

Males

10776

M18-39

10776

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17710

Males

11128

M18-39

11128

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

18961

Males

11595

M18-39

11595

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

24861

Males

14281

M18-39

14281

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23740

Males

13699

M18-39

13699

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

26386

Males

15002

M18-39

15002

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21454

Males

12494

M18-39

12494

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17431

Males

10571

M18-39

10571

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7508

Males

5641

M18-39

5641

Passing Analysis

Category:
Athletes Passed
1356
Passed By
5676
Net Change
-4320
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13859
5K → 10K83961-878#13859#14737
10K → 15K66679-613#14737#15350
15K → 20K84643-559#15350#15909
20K → Half1146+108#15909#15801
Half → 25K225104+121#15801#15680
25K → 30K172344-172#15680#15852
30K → 20M80217-137#15852#15989
20M → 21M59226-167#15989#16156
21M → 35K5579-574#16156#16730
35K → 23M25769-744#16730#17474
23M → 24M9905-896#17474#18370
24M → 40K28210-182#18370#18552
40K → 25.2M4533+12#18552#18540
25.2M → Finish3610+361#18540#18179
TOTALS13565676-4320
📊

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