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BOSTON MARATHON 2025

Christian Seemann

Bib: 30993•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:20
Rank: #22911
Start → 5K
28:20 | 9:07/mi
10K· 6.21 mi
56:24
Rank: #22727 (+184)
5K → 10K
28:04 | 9:02/mi
15K· 9.32 mi
1:24:04
Rank: #22353 (+374)
10K → 15K
27:40 | 8:54/mi
20K· 12.43 mi
1:51:41
Rank: #21875 (+478)
15K → 20K
27:37 | 8:53/mi
Half· 13.11 mi
1:57:38
Rank: #21795 (+80)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:19:06
Rank: #21355 (+440)
Half → 25K
21:28 | 8:51/mi
30K· 18.64 mi
2:47:37
Rank: #20829 (+526)
25K → 30K
28:31 | 9:11/mi
20M
2:59:58
Rank: #20544 (+285)
30K → 20M
12:21 | 9:05/mi
21M
3:09:46
Rank: #20370 (+174)
20M → 21M
9:48 | 9:48/mi
35K· 21.75 mi
3:16:22
Rank: #20255 (+115)
21M → 35K
6:36 | 8:49/mi
23M
3:27:52
Rank: #20099 (+156)
35K → 23M
11:30 | 9:11/mi
24M
3:37:02
Rank: #20012 (+87)
23M → 24M
9:10 | 9:10/mi
40K· 24.85 mi
3:44:46
Rank: #19885 (+127)
24M → 40K
7:44 | 9:03/mi
25.2M
3:48:06
Rank: #19820 (+65)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:56:55
Rank: #19723 (+97)
25.2M → Finish
8:49 | 8:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:38
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time1:59:17
Pace9:06 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4528:209:0728:20
9:07
-
10K
6.21 mi12:20:4956:249:0528:04
9:02
-0:05
15K
9.32 mi12:48:291:24:049:0127:40
8:54
-0:08
20K
12.43 mi13:16:061:51:418:5927:37
8:53
-0:01
Half
13.11 mi13:22:031:57:388:585:57
8:43
-0:10
25K
15.53 mi13:43:312:19:068:5721:28
8:51
+0:08
30K
18.64 mi14:12:022:47:379:0028:31
9:11
+0:20
20M
20.00 mi14:24:232:59:589:0012:21
9:05
-0:06
21M
21.00 mi14:34:113:09:469:029:48
9:48
+0:43
35K
21.75 mi14:40:473:16:229:026:36
8:49
-0:59
23M
23.00 mi14:52:173:27:529:0211:30
9:11
+0:22
24M
24.00 mi15:01:273:37:029:039:10
9:10
-0:01
40K
24.85 mi15:09:113:44:469:037:44
9:03
-0:07
25.2M
25.20 mi15:12:313:48:069:033:20
9:40
+0:37
Finish
26.22 mi15:21:203:56:559:038:49
8:39
-1:01

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

8:39 /mi

Average Pace

9:03 /mi

Slowest Pace

9:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:43:47

94% of race

Time at Steady Pace

13:08

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:02 /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 mi11:52:4528:209:0728:20
9:07
#22911
10K
6.21 mi12:20:4956:249:0528:04
9:02
#22727
15K
9.32 mi12:48:291:24:049:0127:40
8:54
#22353
20K
12.43 mi13:16:061:51:418:5927:37
8:53
#21875
Half
13.11 mi13:22:031:57:388:585:57
8:43
#21795
25K
15.53 mi13:43:312:19:068:5721:28
8:51
#21355
30K
18.64 mi14:12:022:47:379:0028:31
9:11
#20829
20M
20.00 mi14:24:232:59:589:0012:21
9:05
#20544
21M
21.00 mi14:34:113:09:469:029:48
9:48
#20370
35K
21.75 mi14:40:473:16:229:026:36
8:49
#20255
23M
23.00 mi14:52:173:27:529:0211:30
9:11
#20099
24M
24.00 mi15:01:273:37:029:039:10
9:10
#20012
40K
24.85 mi15:09:113:44:469:037:44
9:03
#19885
25.2M
25.20 mi15:12:313:48:069:033:20
9:40
#19820
Finish
26.22 mi15:21:203:56:559:038:49
8:39
#19723
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi22911137231372321586(Top 76%)13202(Top 82%)13202(Top 801%)
10K6.21 mi3.10 mi22727+18413659+6413659+6422511(Top 79%)13577(Top 84%)13577(Top 824%)
15K9.32 mi3.11 mi22353+37413512+14713512+14721586(Top 76%)13202(Top 82%)13202(Top 801%)
20K12.43 mi3.11 mi21875+47813280+23213280+23220401(Top 72%)12633(Top 78%)12633(Top 767%)
Half13.11 mi0.68 mi21795+8013246+3413246+3420440(Top 72%)12656(Top 79%)12656(Top 768%)
25K15.53 mi2.42 mi21355+44013050+19613050+19619210(Top 68%)12070(Top 75%)12070(Top 732%)
30K18.64 mi3.11 mi20829+52612768+28212768+28218540(Top 65%)11642(Top 72%)11642(Top 706%)
20M20.00 mi1.36 mi20544+28512638+13012638+13017251(Top 61%)10930(Top 68%)10930(Top 663%)
21M21.00 mi1.00 mi20370+17412534+10412534+10417472(Top 62%)10912(Top 68%)10912(Top 662%)
35K21.75 mi0.75 mi20255+11512464+7012464+7017359(Top 61%)10763(Top 67%)10763(Top 653%)
23M23.00 mi1.25 mi20099+15612364+10012364+10017255(Top 61%)10634(Top 66%)10634(Top 645%)
24M24.00 mi1.00 mi20012+8712309+5512309+5518181(Top 64%)11013(Top 68%)11013(Top 668%)
40K24.85 mi0.85 mi19885+12712234+7512234+7516563(Top 58%)10184(Top 63%)10184(Top 618%)
25.2M25.20 mi0.35 mi19820+6512197+3712197+3715427(Top 54%)9622(Top 60%)9622(Top 584%)
Finish26.22 mi1.02 mi19723+9712140+5712140+5717177(Top 60%)10487(Top 65%)10487(Top 636%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21586

Males

13202

M55-59

13202

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22511

Males

13577

M55-59

13577

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21586

Males

13202

M55-59

13202

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20401

Males

12633

M55-59

12633

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

20440

Males

12656

M55-59

12656

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

19210

Males

12070

M55-59

12070

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18540

Males

11642

M55-59

11642

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

17251

Males

10930

M55-59

10930

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17472

Males

10912

M55-59

10912

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17359

Males

10763

M55-59

10763

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17255

Males

10634

M55-59

10634

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18181

Males

11013

M55-59

11013

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16563

Males

10184

M55-59

10184

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15427

Males

9622

M55-59

9622

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

17177

Males

10487

M55-59

10487

Passing Analysis

Category:
Athletes Passed
3502
Passed By
314
Net Change
+3188
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22911
5K → 10K331147+184#22911#22727
10K → 15K42046+374#22727#22353
15K → 20K48911+478#22353#21875
20K → Half822+80#21875#21795
Half → 25K4411+440#21795#21355
25K → 30K54014+526#21355#20829
30K → 20M2905+285#20829#20544
20M → 21M19016+174#20544#20370
21M → 35K1216+115#20370#20255
35K → 23M17014+156#20255#20099
23M → 24M11023+87#20099#20012
24M → 40K14013+127#20012#19885
40K → 25.2M661+65#19885#19820
25.2M → Finish11215+97#19820#19723
TOTALS3502314+3188
📊

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