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BOSTON MARATHON 2025

Aleksandr Kuleshov

Bib: 543•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 1%
Gender (Male)
#0 / 16105
Top 2%
Masters (Masters Men)
#0 / 10463
Top 0.3%
Division (M45-49)
#0 / 2386
Top 0.3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:43
Rank: #429
Start → 5K
17:43 | 5:42/mi
10K· 6.21 mi
35:25
Rank: #438 (-9)
5K → 10K
17:42 | 5:42/mi
15K· 9.32 mi
53:15
Rank: #426 (+12)
10K → 15K
17:50 | 5:44/mi
20K· 12.43 mi
1:11:27
Rank: #452 (-26)
15K → 20K
18:12 | 5:51/mi
Half· 13.11 mi
1:15:25
Rank: #457 (-5)
20K → Half
3:58 | 5:49/mi
25K· 15.53 mi
1:29:39
Rank: #461 (-4)
Half → 25K
14:14 | 5:52/mi
30K· 18.64 mi
1:48:03
Rank: #432 (+29)
25K → 30K
18:24 | 5:55/mi
20M
1:56:00
Rank: #407 (+25)
30K → 20M
7:57 | 5:51/mi
21M
2:02:09
Rank: #384 (+23)
20M → 21M
6:09 | 6:09/mi
35K· 21.75 mi
2:06:18
Rank: #369 (+15)
21M → 35K
4:09 | 5:33/mi
23M
2:13:38
Rank: #345 (+24)
35K → 23M
7:20 | 5:51/mi
24M
2:19:20
Rank: #317 (+28)
23M → 24M
5:42 | 5:42/mi
40K· 24.85 mi
2:24:25
Rank: #302 (+15)
24M → 40K
5:05 | 5:57/mi
25.2M
2:26:40
Rank: #304 (-2)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:32:37
Rank: #302 (+2)
25.2M → Finish
5:57 | 5:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:25
Pace5:45 /mi
2nd Half
Distance13.11 mi
Time1:17:12
Pace5:53 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5417:435:4217:43
5:42
-
10K
6.21 mi10:35:3635:255:4217:42
5:42
0:00
15K
9.32 mi10:53:2653:155:4317:50
5:44
+0:02
20K
12.43 mi11:11:381:11:275:4518:12
5:51
+0:07
Half
13.11 mi11:15:361:15:255:453:58
5:49
-0:02
25K
15.53 mi11:29:501:29:395:4614:14
5:52
+0:03
30K
18.64 mi11:48:141:48:035:4818:24
5:55
+0:03
20M
20.00 mi11:56:111:56:005:487:57
5:51
-0:04
21M
21.00 mi12:02:202:02:095:496:09
6:09
+0:18
35K
21.75 mi12:06:292:06:185:484:09
5:33
-0:36
23M
23.00 mi12:13:492:13:385:497:20
5:51
+0:18
24M
24.00 mi12:19:312:19:205:485:42
5:42
-0:09
40K
24.85 mi12:24:362:24:255:495:05
5:57
+0:15
25.2M
25.20 mi12:26:512:26:405:492:15
6:31
+0:34
Finish
26.22 mi12:32:482:32:375:505:57
5:50
-0:41

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

5:33 /mi

Average Pace

5:50 /mi

Slowest Pace

6:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:13

94% of race

Time at Steady Pace

8:24

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:49 /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 mi10:17:5417:435:4217:43
5:42
#429
10K
6.21 mi10:35:3635:255:4217:42
5:42
#438
15K
9.32 mi10:53:2653:155:4317:50
5:44
#426
20K
12.43 mi11:11:381:11:275:4518:12
5:51
#452
Half
13.11 mi11:15:361:15:255:453:58
5:49
#457
25K
15.53 mi11:29:501:29:395:4614:14
5:52
#461
30K
18.64 mi11:48:141:48:035:4818:24
5:55
#432
20M
20.00 mi11:56:111:56:005:487:57
5:51
#407
21M
21.00 mi12:02:202:02:095:496:09
6:09
#384
35K
21.75 mi12:06:292:06:185:484:09
5:33
#369
23M
23.00 mi12:13:492:13:385:497:20
5:51
#345
24M
24.00 mi12:19:312:19:205:485:42
5:42
#317
40K
24.85 mi12:24:362:24:255:495:05
5:57
#302
25.2M
25.20 mi12:26:512:26:405:492:15
6:31
#304
Finish
26.22 mi12:32:482:32:375:505:57
5:50
#302
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi429391391436(Top 2%)404(Top 3%)404(Top 17%)
10K6.21 mi3.10 mi438-9401-10401-10441(Top 2%)405(Top 3%)405(Top 17%)
15K9.32 mi3.11 mi426+12391+10391+10436(Top 2%)404(Top 3%)404(Top 17%)
20K12.43 mi3.11 mi452-26416-25416-25528(Top 2%)487(Top 3%)487(Top 20%)
Half13.11 mi0.68 mi457-5421-5421-5589(Top 2%)550(Top 3%)550(Top 23%)
25K15.53 mi2.42 mi461-4425-4425-4509(Top 2%)474(Top 3%)474(Top 20%)
30K18.64 mi3.11 mi432+29397+28397+28387(Top 1%)358(Top 2%)358(Top 15%)
20M20.00 mi1.36 mi407+25374+23374+23225(Top 0.8%)206(Top 1%)206(Top 9%)
21M21.00 mi1.00 mi384+23354+20354+20224(Top 0.8%)207(Top 1%)207(Top 9%)
35K21.75 mi0.75 mi369+15339+15339+15142(Top 0.5%)128(Top 0.8%)128(Top 5%)
23M23.00 mi1.25 mi345+24318+21318+21209(Top 0.7%)193(Top 1%)193(Top 8%)
24M24.00 mi1.00 mi317+28290+28290+28190(Top 0.7%)174(Top 1%)174(Top 7%)
40K24.85 mi0.85 mi302+15276+14276+14330(Top 1%)304(Top 2%)304(Top 13%)
25.2M25.20 mi0.35 mi304-2278-2278-2461(Top 2%)426(Top 3%)426(Top 18%)
Finish26.22 mi1.02 mi302+2276+2276+2562(Top 2%)526(Top 3%)526(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

436

Males

404

M45-49

404

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

441

Males

405

M45-49

405

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

436

Males

404

M45-49

404

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

528

Males

487

M45-49

487

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

589

Males

550

M45-49

550

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

509

Males

474

M45-49

474

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

387

Males

358

M45-49

358

30K→20M

18.6 - 20.0 mi

Top 0.8%
×5stories
+64ft-50ft

Overall

225

Males

206

M45-49

206

20M→21M

20.0 - 21.0 mi

Top 0.8%
×8stories
+106ft-24ft

Overall

224

Males

207

M45-49

207

21M→35K

21.0 - 21.8 mi

Top 0.5%
×7stories
+17ft-86ft

Overall

142

Males

128

M45-49

128

35K→23M

21.8 - 23.0 mi

Top 0.7%
×5stories
+23ft-63ft

Overall

209

Males

193

M45-49

193

23M→24M

23.0 - 24.0 mi

Top 0.7%
×6stories
+12ft-82ft

Overall

190

Males

174

M45-49

174

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

330

Males

304

M45-49

304

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

461

Males

426

M45-49

426

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

562

Males

526

M45-49

526

Passing Analysis

Category:
Athletes Passed
246
Passed By
119
Net Change
+127
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#429
5K → 10K1524-9#429#438
10K → 15K3018+12#438#426
15K → 20K733-26#426#452
20K → Half38-5#452#457
Half → 25K1519-4#457#461
25K → 30K334+29#461#432
30K → 20M272+25#432#407
20M → 21M230+23#407#384
21M → 35K161+15#384#369
35K → 23M251+24#369#345
23M → 24M280+28#345#317
24M → 40K172+15#317#302
40K → 25.2M02-2#302#304
25.2M → Finish75+2#304#302
TOTALS246119+127
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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