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BOSTON MARATHON 2025

Baurzhan Kabylov

Bib: 29238•M

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
11:19/mi
35:11
↑ 97↓ 3451.5%
10K· 6.21 mi
11:38/mi
1:11:20
↑ 79↓ 1380.4%
15K· 9.32 mi
11:35/mi
1:47:19
↑ 67↓ 78
20K· 12.43 mi
12:13/mi
2:25:16
↑ 106↓ 860.1%
Half· 13.11 mi
11:05/mi
2:32:50
↑ 19↓ 370.5%
25K· 15.53 mi
13:40/mi
3:05:58
↑ 66↓ 880.2%
30K· 18.64 mi
13:52/mi
3:49:02
↑ 181↓ 1480.2%
20M
13:57/mi
4:08:00
↑ 64↓ 500.2%
21M
15:03/mi
4:23:03
↑ 106↓ 241.6%
35K· 21.75 mi
14:21/mi
4:33:47
↑ 17↓ 861.7%
23M
15:51/mi
4:53:38
↑ 23↓ 630.6%
24M
16:32/mi
5:10:10
↓ 821.3%
40K· 24.85 mi
17:35/mi
5:25:12
↓ 200.3%
25.2M
18:45/mi
5:31:40
↑ 13↓ 160.2%
Finish· 26.22 mi
15:37/mi
5:47:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:50
Pace11:39 /mi
2nd Half
Distance13.11 mi
Time3:14:45
Pace14:51 /mi
📊Positive Split: 27.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5635:1111:1935:11
11:19
-
10K
6.21 mi12:30:051:11:2011:2936:09
11:38
+0:19
15K
9.32 mi13:06:041:47:1911:3135:59
11:35
-0:03
20K
12.43 mi13:44:012:25:1611:4137:57
12:13
+0:38
Half
13.11 mi13:51:352:32:5011:397:34
11:05
-1:08
25K
15.53 mi14:24:433:05:5811:5833:08
13:40
+2:35
30K
18.64 mi15:07:473:49:0212:1743:04
13:52
+0:12
20M
20.00 mi15:26:454:08:0012:2418:58
13:57
+0:05
21M
21.00 mi15:41:484:23:0312:3215:03
15:03
+1:06
35K
21.75 mi15:52:324:33:4712:3510:44
14:21
-0:42
23M
23.00 mi16:12:234:53:3812:4619:51
15:51
+1:30
24M
24.00 mi16:28:555:10:1012:5516:32
16:32
+0:41
40K
24.85 mi16:43:575:25:1213:0515:02
17:35
+1:03
25.2M
25.20 mi16:50:255:31:4013:106:28
18:45
+1:10
Finish
26.22 mi17:06:205:47:3513:1615:55
15:37
-3:08

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

11:05 /mi

Average Pace

13:16 /mi

Slowest Pace

18:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:50

44% of race

Time at Steady Pace

2:00:57

35% of race

Time at Slower Pace

1:13:48

21% of race

Average Pace: 13:15 /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 mi11:53:5635:1111:1935:11
11:19
#27868
10K
6.21 mi12:30:051:11:2011:2936:09
11:38
#27804
15K
9.32 mi13:06:041:47:1911:3135:59
11:35
#27649
20K
12.43 mi13:44:012:25:1611:4137:57
12:13
#27556
Half
13.11 mi13:51:352:32:5011:397:34
11:05
#27513
25K
15.53 mi14:24:433:05:5811:5833:08
13:40
#27575
30K
18.64 mi15:07:473:49:0212:1743:04
13:52
#27563
20M
20.00 mi15:26:454:08:0012:2418:58
13:57
#27540
21M
21.00 mi15:41:484:23:0312:3215:03
15:03
#27528
35K
21.75 mi15:52:324:33:4712:3510:44
14:21
#27561
23M
23.00 mi16:12:234:53:3812:4619:51
15:51
#27635
24M
24.00 mi16:28:555:10:1012:5516:32
16:32
#27752
40K
24.85 mi16:43:575:25:1213:0515:02
17:35
#27826
25.2M
25.20 mi16:50:255:31:4013:106:28
18:45
#27866
Finish
26.22 mi17:06:205:47:3513:1615:55
15:37
#27946
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi27868159201592027294(Top 96%)15675(Top 97%)15675(Top 785%)
10K6.21 mi3.10 mi27804+6415903+1715903+1727713(Top 98%)15854(Top 98%)15854(Top 794%)
15K9.32 mi3.11 mi27649+15515828+7515828+7527294(Top 96%)15675(Top 97%)15675(Top 785%)
20K12.43 mi3.11 mi27556+9315785+4315785+4327287(Top 96%)15642(Top 97%)15642(Top 784%)
Half13.11 mi0.68 mi27513+4315772+1315772+1326628(Top 94%)15363(Top 95%)15363(Top 770%)
25K15.53 mi2.42 mi27575-6215785-1315785-1327712(Top 98%)15805(Top 98%)15805(Top 792%)
30K18.64 mi3.11 mi27563+1215757+2815757+2827404(Top 96%)15615(Top 97%)15615(Top 782%)
20M20.00 mi1.36 mi27540+2315736+2115736+2127255(Top 96%)15500(Top 96%)15500(Top 777%)
21M21.00 mi1.00 mi27528+1215727+915727+927192(Top 96%)15453(Top 96%)15453(Top 774%)
35K21.75 mi0.75 mi27561-3315737-1015737-1027857(Top 98%)15758(Top 98%)15758(Top 789%)
23M23.00 mi1.25 mi27635-7415765-2815765-2828123(Top 99%)15918(Top 99%)15918(Top 797%)
24M24.00 mi1.00 mi27752-11715816-5115816-5128276(Top 100%)16015(Top 99%)16015(Top 802%)
40K24.85 mi0.85 mi27826-7415839-2315839-2328295(Top 100%)16032(Top 100%)16032(Top 803%)
25.2M25.20 mi0.35 mi27866-4015852-1315852-1328289(Top 100%)16023(Top 99%)16023(Top 803%)
Finish26.22 mi1.02 mi27946-8015892-4015892-4028289(Top 100%)16030(Top 100%)16030(Top 803%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27294

Males

15675

M50-54

15675

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

27713

Males

15854

M50-54

15854

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27294

Males

15675

M50-54

15675

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27287

Males

15642

M50-54

15642

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

26628

Males

15363

M50-54

15363

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

27712

Males

15805

M50-54

15805

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

27404

Males

15615

M50-54

15615

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

27255

Males

15500

M50-54

15500

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27192

Males

15453

M50-54

15453

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

27857

Males

15758

M50-54

15758

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

28123

Males

15918

M50-54

15918

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

28276

Males

16015

M50-54

16015

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

28295

Males

16032

M50-54

16032

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

28289

Males

16023

M50-54

16023

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

28289

Males

16030

M50-54

16030

Passing Analysis

Category:
Athletes Passed
663
Passed By
741
Net Change
-78
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27868
5K → 10K12157+64#27868#27804
10K → 15K18328+155#27804#27649
15K → 20K12532+93#27649#27556
20K → Half452+43#27556#27513
Half → 25K44106-62#27513#27575
25K → 30K6351+12#27575#27563
30K → 20M4320+23#27563#27540
20M → 21M2311+12#27540#27528
21M → 35K336-33#27528#27561
35K → 23M781-74#27561#27635
23M → 24M3120-117#27635#27752
24M → 40K175-74#27752#27826
40K → 25.2M040-40#27826#27866
25.2M → Finish282-80#27866#27946
TOTALS663741-78
📊

Passing Visuals

Category:
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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