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BOSTON MARATHON 2025

Dimitar Alexandrov

Bib: 14262•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 50%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:48
Rank: #10748
Start → 5K
22:48 | 7:20/mi
10K· 6.21 mi
46:08
Rank: #11456 (-708)
5K → 10K
23:20 | 7:31/mi
15K· 9.32 mi
1:09:40
Rank: #11752 (-296)
10K → 15K
23:32 | 7:34/mi
20K· 12.43 mi
1:34:55
Rank: #12809 (-1057)
15K → 20K
25:15 | 8:08/mi
Half· 13.11 mi
1:40:21
Rank: #12946 (-137)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:00:05
Rank: #13268 (-322)
Half → 25K
19:44 | 8:08/mi
30K· 18.64 mi
2:26:49
Rank: #13681 (-413)
25K → 30K
26:44 | 8:36/mi
20M
2:38:21
Rank: #13653 (+28)
30K → 20M
11:32 | 8:29/mi
21M
2:47:56
Rank: #13826 (-173)
20M → 21M
9:35 | 9:35/mi
35K· 21.75 mi
2:54:23
Rank: #13909 (-83)
21M → 35K
6:27 | 8:37/mi
23M
3:05:14
Rank: #13957 (-48)
35K → 23M
10:51 | 8:40/mi
24M
3:13:50
Rank: #14038 (-81)
23M → 24M
8:36 | 8:36/mi
40K· 24.85 mi
3:21:24
Rank: #14070 (-32)
24M → 40K
7:34 | 8:51/mi
25.2M
3:24:50
Rank: #14112 (-42)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:33:37
Rank: #14190 (-78)
25.2M → Finish
8:47 | 8:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:21
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:53:16
Pace8:38 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5822:487:2022:48
7:20
-
10K
6.21 mi11:17:1846:087:2523:20
7:31
+0:11
15K
9.32 mi11:40:501:09:407:2823:32
7:34
+0:03
20K
12.43 mi12:06:051:34:557:3825:15
8:08
+0:34
Half
13.11 mi12:11:311:40:217:395:26
7:58
-0:10
25K
15.53 mi12:31:152:00:057:4419:44
8:08
+0:10
30K
18.64 mi12:57:592:26:497:5326:44
8:36
+0:28
20M
20.00 mi13:09:312:38:217:5511:32
8:29
-0:07
21M
21.00 mi13:19:062:47:568:009:35
9:35
+1:06
35K
21.75 mi13:25:332:54:238:016:27
8:37
-0:58
23M
23.00 mi13:36:243:05:148:0310:51
8:40
+0:03
24M
24.00 mi13:45:003:13:508:058:36
8:36
-0:04
40K
24.85 mi13:52:343:21:248:067:34
8:51
+0:15
25.2M
25.20 mi13:56:003:24:508:083:26
9:57
+1:06
Finish
26.22 mi14:04:473:33:378:098:47
8:37
-1:20

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

7:20 /mi

Average Pace

8:09 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:05

56% of race

Time at Steady Pace

1:20:31

38% of race

Time at Slower Pace

13:01

6% of race

Average Pace: 8:09 /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 mi10:53:5822:487:2022:48
7:20
#10748
10K
6.21 mi11:17:1846:087:2523:20
7:31
#11456
15K
9.32 mi11:40:501:09:407:2823:32
7:34
#11752
20K
12.43 mi12:06:051:34:557:3825:15
8:08
#12809
Half
13.11 mi12:11:311:40:217:395:26
7:58
#12946
25K
15.53 mi12:31:152:00:057:4419:44
8:08
#13268
30K
18.64 mi12:57:592:26:497:5326:44
8:36
#13681
20M
20.00 mi13:09:312:38:217:5511:32
8:29
#13653
21M
21.00 mi13:19:062:47:568:009:35
9:35
#13826
35K
21.75 mi13:25:332:54:238:016:27
8:37
#13909
23M
23.00 mi13:36:243:05:148:0310:51
8:40
#13957
24M
24.00 mi13:45:003:13:508:058:36
8:36
#14038
40K
24.85 mi13:52:343:21:248:067:34
8:51
#14070
25.2M
25.20 mi13:56:003:24:508:083:26
9:57
#14112
Finish
26.22 mi14:04:473:33:378:098:47
8:37
#14190
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi107488564856412369(Top 44%)9239(Top 57%)9239(Top 463%)
10K6.21 mi3.10 mi11456-7088899-3358899-33512187(Top 43%)9236(Top 57%)9236(Top 463%)
15K9.32 mi3.11 mi11752-2969026-1279026-12712369(Top 44%)9239(Top 57%)9239(Top 463%)
20K12.43 mi3.11 mi12809-10579437-4119437-41115820(Top 56%)10664(Top 66%)10664(Top 534%)
Half13.11 mi0.68 mi12946-1379491-549491-5415552(Top 55%)10580(Top 66%)10580(Top 530%)
25K15.53 mi2.42 mi13268-3229594-1039594-10314880(Top 52%)10146(Top 63%)10146(Top 508%)
30K18.64 mi3.11 mi13681-4139717-1239717-12315412(Top 54%)10238(Top 64%)10238(Top 513%)
20M20.00 mi1.36 mi13653+289678+399678+3913684(Top 48%)9299(Top 58%)9299(Top 466%)
21M21.00 mi1.00 mi13826-1739713-359713-3516431(Top 58%)10439(Top 65%)10439(Top 523%)
35K21.75 mi0.75 mi13909-839735-229735-2216152(Top 57%)10235(Top 64%)10235(Top 513%)
23M23.00 mi1.25 mi13957-489717+189717+1814325(Top 50%)9312(Top 58%)9312(Top 467%)
24M24.00 mi1.00 mi14038-819713+49713+415136(Top 53%)9638(Top 60%)9638(Top 483%)
40K24.85 mi0.85 mi14070-329716-39716-315439(Top 54%)9626(Top 60%)9626(Top 482%)
25.2M25.20 mi0.35 mi14112-429719-39719-316755(Top 59%)10238(Top 64%)10238(Top 513%)
Finish26.22 mi1.02 mi14190-789737-189737-1816936(Top 60%)10360(Top 64%)10360(Top 519%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12369

Males

9239

M50-54

9239

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

12187

Males

9236

M50-54

9236

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12369

Males

9239

M50-54

9239

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

15820

Males

10664

M50-54

10664

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

15552

Males

10580

M50-54

10580

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

14880

Males

10146

M50-54

10146

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

15412

Males

10238

M50-54

10238

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

13684

Males

9299

M50-54

9299

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

16431

Males

10439

M50-54

10439

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

16152

Males

10235

M50-54

10235

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14325

Males

9312

M50-54

9312

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

15136

Males

9638

M50-54

9638

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15439

Males

9626

M50-54

9626

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16755

Males

10238

M50-54

10238

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

16936

Males

10360

M50-54

10360

Passing Analysis

Category:
Athletes Passed
957
Passed By
4399
Net Change
-3442
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10748
5K → 10K66774-708#10748#11456
10K → 15K94390-296#11456#11752
15K → 20K351092-1057#11752#12809
20K → Half10147-137#12809#12946
Half → 25K89411-322#12946#13268
25K → 30K135548-413#13268#13681
30K → 20M137109+28#13681#13653
20M → 21M55228-173#13653#13826
21M → 35K41124-83#13826#13909
35K → 23M99147-48#13909#13957
23M → 24M63144-81#13957#14038
24M → 40K6193-32#14038#14070
40K → 25.2M2264-42#14070#14112
25.2M → Finish50128-78#14112#14190
TOTALS9574399-3442
📊

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