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BOSTON MARATHON 2025

Aituar Koshmambetov

Bib: 29163 M KZ

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:04/mi
28:09
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:01/mi
56:10
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:49/mi
1:23:33
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:08/mi
1:51:57
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:01/mi
1:58:06
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:25/mi
2:20:55
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:48/mi
2:51:21
↑ 181↓ 1480.2%
138 ft elev
20M
9:54/mi
3:04:48
↑ 64↓ 500.2%
148 ft elev
21M
11:29/mi
3:16:17
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:17/mi
3:23:14
↑ 17↓ 861.7%
156 ft elev
23M
9:55/mi
3:35:39
↑ 23↓ 630.6%
116 ft elev
24M
10:07/mi
3:45:46
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:23/mi
3:54:39
↓ 200.3%
20 ft elev
25.2M
11:16/mi
3:58:32
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:57/mi
4:08:40
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:58:069:01 /mi⚡ faster
2nd Half
2:10:349:58 /mi+10.6%
Positive split — 10.6% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
28:099:043.11 mi28:09
9:04
-
10K
56:109:023.10 mi28:01
9:01
-0:03
15K
1:23:338:583.11 mi27:23
8:49
-0:12
20K
1:51:579:003.11 mi28:24
9:08
+0:19
Half(13.11 mi)
1:58:069:010.68 mi6:09
9:01
-0:07
25K
2:20:559:042.42 mi22:49
9:25
+0:24
30K
2:51:219:123.11 mi30:26
9:48
+0:23
20M
3:04:489:141.36 mi13:27
9:54
+0:06
21M
3:16:179:211.00 mi11:29
11:29
+1:35
35K
3:23:149:210.75 mi6:57
9:17
-2:12
23M
3:35:399:231.25 mi12:25
9:55
+0:38
24M
3:45:469:241.00 mi10:07
10:07
+0:12
40K
3:54:399:260.85 mi8:53
10:23
+0:16
25.2M
3:58:329:280.35 mi3:53
11:16
+0:53
Finish(26.22 mi)
4:08:409:291.02 mi10:08
9:57
-1:19
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:49 /mi

Average Pace

9:29 /mi

Slowest Pace

11:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:05:03

50% of race

Time at Steady Pace

1:39:22

40% of race

Time at Slower Pace

24:15

10% of race

Average Pace: 9:29 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi226821362013620210851298112981
10K3.10 mi22573+10913586+3413586+34224511355213552
15K3.11 mi22139+43413407+17913407+179210851298112981
20K3.11 mi21979+16013331+7613331+76216291318513185
Half(13.11 mi)0.68 mi21962+1713325+613325+6218641328813288
25K2.42 mi21898+6413288+3713288+37215741311213112
30K3.11 mi21712+18613189+9913189+99209791270812708
20M1.36 mi21643+6913142+4713142+47206081241212412
21M1.00 mi21704-6113149-713149-7225811323713237
35K0.75 mi21628+7613101+4813101+48195331175211752
23M1.25 mi21531+9713026+7513026+75202291201812018
24M1.00 mi21538-713007+1913007+19216801266912669
40K0.85 mi21531+712985+2212985+22216131256712567
25.2M0.35 mi21527+412975+1012975+10213941248312483
Finish(26.22 mi)1.02 mi21567-4012973+212973+2227501314513145

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

21085

Males

12981

M18-39

12981

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22451

Males

13552

M18-39

13552

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

21085

Males

12981

M18-39

12981

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21629

Males

13185

M18-39

13185

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

21864

Males

13288

M18-39

13288

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21574

Males

13112

M18-39

13112

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

20979

Males

12708

M18-39

12708

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

20608

Males

12412

M18-39

12412

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22581

Males

13237

M18-39

13237

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

19533

Males

11752

M18-39

11752

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20229

Males

12018

M18-39

12018

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

21680

Males

12669

M18-39

12669

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21613

Males

12567

M18-39

12567

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21394

Males

12483

M18-39

12483

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22750

Males

13145

M18-39

13145

Passing Analysis

Category:
Passed
2123
Passed By
1008
Net Change
+1115
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22682
5K → 10K307198+109#22682#22573
10K → 15K47036+434#22573#22139
15K → 20K25999+160#22139#21979
20K → Half4023+17#21979#21962
Half → 25K181117+64#21962#21898
25K → 30K292106+186#21898#21712
30K → 20M12859+69#21712#21643
20M → 21M66127-61#21643#21704
21M → 35K848+76#21704#21628
35K → 23M12831+97#21628#21531
23M → 24M5259-7#21531#21538
24M → 40K5649+7#21538#21531
40K → 25.2M2420+4#21531#21527
25.2M → Finish3676-40#21527#21567
TOTALS21231008+1115

Passing Charts

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