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BOSTON MARATHON 2025

Kirill Shalyaev

Bib: 11636•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 37%
Masters (Masters Men)
#0 / 10463
Top 24%
Division (M50-54)
#0 / 1996
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:40
Rank: #10299
Start → 5K
22:40 | 7:18/mi
10K· 6.21 mi
44:59
Rank: #9784 (+515)
5K → 10K
22:19 | 7:11/mi
15K· 9.32 mi
1:07:11
Rank: #9388 (+396)
10K → 15K
22:12 | 7:09/mi
20K· 12.43 mi
1:29:51
Rank: #9246 (+142)
15K → 20K
22:40 | 7:18/mi
Half· 13.11 mi
1:34:45
Rank: #9229 (+17)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:52:15
Rank: #8909 (+320)
Half → 25K
17:30 | 7:13/mi
30K· 18.64 mi
2:14:59
Rank: #8350 (+559)
25K → 30K
22:44 | 7:19/mi
20M
2:24:51
Rank: #8066 (+284)
30K → 20M
9:52 | 7:16/mi
21M
2:32:34
Rank: #7854 (+212)
20M → 21M
7:43 | 7:43/mi
35K· 21.75 mi
2:37:43
Rank: #7688 (+166)
21M → 35K
5:09 | 6:53/mi
23M
2:46:43
Rank: #7445 (+243)
35K → 23M
9:00 | 7:11/mi
24M
2:53:54
Rank: #7324 (+121)
23M → 24M
7:11 | 7:11/mi
40K· 24.85 mi
3:00:10
Rank: #7207 (+117)
24M → 40K
6:16 | 7:20/mi
25.2M
3:02:55
Rank: #7168 (+39)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:10:01
Rank: #7066 (+102)
25.2M → Finish
7:06 | 6:58/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:34:45
Pace7:14 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:16
Pace7:16 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3922:407:1822:40
7:18
-
10K
6.21 mi11:11:5844:597:1422:19
7:11
-0:07
15K
9.32 mi11:34:101:07:117:1222:12
7:09
-0:02
20K
12.43 mi11:56:501:29:517:1422:40
7:18
+0:09
Half
13.11 mi12:01:441:34:457:144:54
7:11
-0:07
25K
15.53 mi12:19:141:52:157:1417:30
7:13
+0:02
30K
18.64 mi12:41:582:14:597:1422:44
7:19
+0:06
20M
20.00 mi12:51:502:24:517:159:52
7:16
-0:03
21M
21.00 mi12:59:332:32:347:167:43
7:43
+0:27
35K
21.75 mi13:04:422:37:437:155:09
6:53
-0:50
23M
23.00 mi13:13:422:46:437:159:00
7:11
+0:18
24M
24.00 mi13:20:532:53:547:157:11
7:11
0:00
40K
24.85 mi13:27:093:00:107:156:16
7:20
+0:09
25.2M
25.20 mi13:29:543:02:557:162:45
7:58
+0:38
Finish
26.22 mi13:37:003:10:017:157:06
6:58
-1:00

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

6:53 /mi

Average Pace

7:15 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:33

94% of race

Time at Steady Pace

10:28

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:15 /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 mi10:49:3922:407:1822:40
7:18
#10299
10K
6.21 mi11:11:5844:597:1422:19
7:11
#9784
15K
9.32 mi11:34:101:07:117:1222:12
7:09
#9388
20K
12.43 mi11:56:501:29:517:1422:40
7:18
#9246
Half
13.11 mi12:01:441:34:457:144:54
7:11
#9229
25K
15.53 mi12:19:141:52:157:1417:30
7:13
#8909
30K
18.64 mi12:41:582:14:597:1422:44
7:19
#8350
20M
20.00 mi12:51:502:24:517:159:52
7:16
#8066
21M
21.00 mi12:59:332:32:347:167:43
7:43
#7854
35K
21.75 mi13:04:422:37:437:155:09
6:53
#7688
23M
23.00 mi13:13:422:46:437:159:00
7:11
#7445
24M
24.00 mi13:20:532:53:547:157:11
7:11
#7324
40K
24.85 mi13:27:093:00:107:156:16
7:20
#7207
25.2M
25.20 mi13:29:543:02:557:162:45
7:58
#7168
Finish
26.22 mi13:37:003:10:017:157:06
6:58
#7066
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi10299832383238654(Top 30%)7340(Top 46%)7340(Top 368%)
10K6.21 mi3.10 mi9784+5158052+2718052+2719320(Top 33%)7774(Top 48%)7774(Top 389%)
15K9.32 mi3.11 mi9388+3967810+2427810+2428654(Top 30%)7340(Top 46%)7340(Top 368%)
20K12.43 mi3.11 mi9246+1427699+1117699+1119005(Top 32%)7448(Top 46%)7448(Top 373%)
Half13.11 mi0.68 mi9229+177683+167683+168851(Top 31%)7373(Top 46%)7373(Top 369%)
25K15.53 mi2.42 mi8909+3207480+2037480+2037720(Top 27%)6580(Top 41%)6580(Top 330%)
30K18.64 mi3.11 mi8350+5597092+3887092+3886537(Top 23%)5673(Top 35%)5673(Top 284%)
20M20.00 mi1.36 mi8066+2846875+2176875+2175550(Top 20%)4875(Top 30%)4875(Top 244%)
21M21.00 mi1.00 mi7854+2126710+1656710+1655713(Top 20%)4873(Top 30%)4873(Top 244%)
35K21.75 mi0.75 mi7688+1666588+1226588+1224619(Top 16%)4097(Top 25%)4097(Top 205%)
23M23.00 mi1.25 mi7445+2436387+2016387+2014792(Top 17%)4168(Top 26%)4168(Top 209%)
24M24.00 mi1.00 mi7324+1216274+1136274+1135702(Top 20%)4727(Top 29%)4727(Top 237%)
40K24.85 mi0.85 mi7207+1176174+1006174+1005783(Top 20%)4716(Top 29%)4716(Top 236%)
25.2M25.20 mi0.35 mi7168+396131+436131+435761(Top 20%)4586(Top 28%)4586(Top 230%)
Finish26.22 mi1.02 mi7066+1026035+966035+965491(Top 19%)4415(Top 27%)4415(Top 221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8654

Males

7340

M50-54

7340

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9320

Males

7774

M50-54

7774

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8654

Males

7340

M50-54

7340

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9005

Males

7448

M50-54

7448

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8851

Males

7373

M50-54

7373

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7720

Males

6580

M50-54

6580

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6537

Males

5673

M50-54

5673

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5550

Males

4875

M50-54

4875

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5713

Males

4873

M50-54

4873

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4619

Males

4097

M50-54

4097

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4792

Males

4168

M50-54

4168

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5702

Males

4727

M50-54

4727

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5783

Males

4716

M50-54

4716

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5761

Males

4586

M50-54

4586

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5491

Males

4415

M50-54

4415

Passing Analysis

Category:
Athletes Passed
3562*
Passed By
329
Net Change
+3233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10299
5K → 10K585*70+515#10299#9784
10K → 15K41822+396#9784#9388
15K → 20K249107+142#9388#9246
20K → Half4023+17#9246#9229
Half → 25K33717+320#9229#8909
25K → 30K57314+559#8909#8350
30K → 20M2862+284#8350#8066
20M → 21M2219+212#8066#7854
21M → 35K1671+166#7854#7688
35K → 23M2518+243#7688#7445
23M → 24M13514+121#7445#7324
24M → 40K1258+117#7324#7207
40K → 25.2M5314+39#7207#7168
25.2M → Finish12220+102#7168#7066
TOTALS3562*329+3233

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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