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BOSTON MARATHON 2025

Aleksei Kozhevnikov

Bib: 6271•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 24%
Gender (Male)
#0 / 16105
Top 36%
Masters (Masters Men)
#0 / 10463
Top 23%
Division (M40-44)
#0 / 2247
Top 50%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:00
Rank: #5997
Start → 5K
21:00 | 6:46/mi
10K· 6.21 mi
42:08
Rank: #6107 (-110)
5K → 10K
21:08 | 6:48/mi
15K· 9.32 mi
1:03:21
Rank: #6172 (-65)
10K → 15K
21:13 | 6:50/mi
20K· 12.43 mi
1:24:47
Rank: #6134 (+38)
15K → 20K
21:26 | 6:54/mi
Half· 13.11 mi
1:29:27
Rank: #6159 (-25)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:46:10
Rank: #6020 (+139)
Half → 25K
16:43 | 6:54/mi
30K· 18.64 mi
2:08:05
Rank: #5750 (+270)
25K → 30K
21:55 | 7:03/mi
20M
2:18:40
Rank: #5962 (-212)
30K → 20M
10:35 | 7:47/mi
21M
2:27:12
Rank: #6152 (-190)
20M → 21M
8:32 | 8:32/mi
35K· 21.75 mi
2:33:02
Rank: #6243 (-91)
21M → 35K
5:50 | 7:48/mi
23M
2:43:08
Rank: #6363 (-120)
35K → 23M
10:06 | 8:04/mi
24M
2:51:00
Rank: #6473 (-110)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
2:57:47
Rank: #6518 (-45)
24M → 40K
6:47 | 7:56/mi
25.2M
3:01:03
Rank: #6634 (-116)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:08:57
Rank: #6751 (-117)
25.2M → Finish
7:54 | 7:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:27
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:39:30
Pace7:35 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:5421:006:4621:00
6:46
-
10K
6.21 mi10:49:0242:086:4721:08
6:48
+0:02
15K
9.32 mi11:10:151:03:216:4821:13
6:50
+0:02
20K
12.43 mi11:31:411:24:476:4921:26
6:54
+0:04
Half
13.11 mi11:36:211:29:276:494:40
6:50
-0:04
25K
15.53 mi11:53:041:46:106:5016:43
6:54
+0:04
30K
18.64 mi12:14:592:08:056:5221:55
7:03
+0:09
20M
20.00 mi12:25:342:18:406:5610:35
7:47
+0:44
21M
21.00 mi12:34:062:27:127:018:32
8:32
+0:45
35K
21.75 mi12:39:562:33:027:025:50
7:48
-0:44
23M
23.00 mi12:50:022:43:087:0610:06
8:04
+0:16
24M
24.00 mi12:57:542:51:007:087:52
7:52
-0:12
40K
24.85 mi13:04:412:57:477:096:47
7:56
+0:04
25.2M
25.20 mi13:07:573:01:037:113:16
9:28
+1:32
Finish
26.22 mi13:15:513:08:577:137:54
7:45
-1:43

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

6:46 /mi

Average Pace

7:13 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:05

68% of race

Time at Steady Pace

49:04

26% of race

Time at Slower Pace

11:48

6% of race

Average Pace: 7:12 /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 mi10:27:5421:006:4621:00
6:46
#5997
10K
6.21 mi10:49:0242:086:4721:08
6:48
#6107
15K
9.32 mi11:10:151:03:216:4821:13
6:50
#6172
20K
12.43 mi11:31:411:24:476:4921:26
6:54
#6134
Half
13.11 mi11:36:211:29:276:494:40
6:50
#6159
25K
15.53 mi11:53:041:46:106:5016:43
6:54
#6020
30K
18.64 mi12:14:592:08:056:5221:55
7:03
#5750
20M
20.00 mi12:25:342:18:406:5610:35
7:47
#5962
21M
21.00 mi12:34:062:27:127:018:32
8:32
#6152
35K
21.75 mi12:39:562:33:027:025:50
7:48
#6243
23M
23.00 mi12:50:022:43:087:0610:06
8:04
#6363
24M
24.00 mi12:57:542:51:007:087:52
7:52
#6473
40K
24.85 mi13:04:412:57:477:096:47
7:56
#6518
25.2M
25.20 mi13:07:573:01:037:113:16
9:28
#6634
Finish
26.22 mi13:15:513:08:577:137:54
7:45
#6751
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5997551655166386(Top 22%)5778(Top 36%)5778(Top 257%)
10K6.21 mi3.10 mi6107-1105599-835599-836412(Top 23%)5812(Top 36%)5812(Top 259%)
15K9.32 mi3.11 mi6172-655646-475646-476386(Top 22%)5778(Top 36%)5778(Top 257%)
20K12.43 mi3.11 mi6134+385594+525594+526187(Top 22%)5577(Top 35%)5577(Top 248%)
Half13.11 mi0.68 mi6159-255611-175611-176494(Top 23%)5834(Top 36%)5834(Top 260%)
25K15.53 mi2.42 mi6020+1395477+1345477+1345642(Top 20%)5116(Top 32%)5116(Top 228%)
30K18.64 mi3.11 mi5750+2705237+2405237+2405050(Top 18%)4582(Top 28%)4582(Top 204%)
20M20.00 mi1.36 mi5962-2125393-1565393-1568920(Top 31%)6944(Top 43%)6944(Top 309%)
21M21.00 mi1.00 mi6152-1905526-1335526-13310649(Top 37%)7681(Top 48%)7681(Top 342%)
35K21.75 mi0.75 mi6243-915587-615587-6110733(Top 38%)7715(Top 48%)7715(Top 343%)
23M23.00 mi1.25 mi6363-1205649-625649-6210480(Top 37%)7460(Top 46%)7460(Top 332%)
24M24.00 mi1.00 mi6473-1105710-615710-6110285(Top 36%)7305(Top 45%)7305(Top 325%)
40K24.85 mi0.85 mi6518-455712-25712-29662(Top 34%)6872(Top 43%)6872(Top 306%)
25.2M25.20 mi0.35 mi6634-1165778-665778-6614334(Top 50%)9063(Top 56%)9063(Top 403%)
Finish26.22 mi1.02 mi6751-1175829-515829-5111043(Top 39%)7520(Top 47%)7520(Top 335%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6386

Males

5778

M40-44

5778

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6412

Males

5812

M40-44

5812

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6386

Males

5778

M40-44

5778

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6187

Males

5577

M40-44

5577

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6494

Males

5834

M40-44

5834

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5642

Males

5116

M40-44

5116

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5050

Males

4582

M40-44

4582

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8920

Males

6944

M40-44

6944

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10649

Males

7681

M40-44

7681

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10733

Males

7715

M40-44

7715

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

10480

Males

7460

M40-44

7460

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10285

Males

7305

M40-44

7305

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9662

Males

6872

M40-44

6872

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14334

Males

9063

M40-44

9063

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

11043

Males

7520

M40-44

7520

Passing Analysis

Category:
Athletes Passed
1182
Passed By
1936
Net Change
-754
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5997
5K → 10K144254-110#5997#6107
10K → 15K115180-65#6107#6172
15K → 20K169131+38#6172#6134
20K → Half1540-25#6134#6159
Half → 25K18647+139#6159#6020
25K → 30K32252+270#6020#5750
30K → 20M24236-212#5750#5962
20M → 21M23213-190#5962#6152
21M → 35K21112-91#6152#6243
35K → 23M48168-120#6243#6363
23M → 24M36146-110#6363#6473
24M → 40K4287-45#6473#6518
40K → 25.2M6122-116#6518#6634
25.2M → Finish31148-117#6634#6751
TOTALS11821936-754
📊

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