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BOSTON MARATHON 2023

Kirill Shalyaev

Bib: 11201•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 39%
Division (M50-54)
#0 / 2052
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:33
Rank: #10333
Start → 5K
23:33 | 7:35/mi
10K· 6.21 mi
47:02
Rank: #10632 (-299)
5K → 10K
23:29 | 7:34/mi
15K· 9.32 mi
1:10:22
Rank: #10492 (+140)
10K → 15K
23:20 | 7:31/mi
20K· 12.43 mi
1:34:03
Rank: #10411 (+81)
15K → 20K
23:41 | 7:37/mi
Half· 13.11 mi
1:39:12
Rank: #10427 (-16)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:57:39
Rank: #10259 (+168)
Half → 25K
18:27 | 7:37/mi
30K· 18.64 mi
2:22:04
Rank: #10139 (+120)
25K → 30K
24:25 | 7:52/mi
20M
2:32:42
Rank: #10022 (+117)
30K → 20M
10:38 | 7:49/mi
21M
2:40:55
Rank: #9911 (+111)
20M → 21M
8:13 | 8:13/mi
35K· 21.75 mi
2:46:36
Rank: #9878 (+33)
21M → 35K
5:41 | 7:36/mi
23M
2:56:20
Rank: #9736 (+142)
35K → 23M
9:44 | 7:46/mi
24M
3:03:54
Rank: #9629 (+107)
23M → 24M
7:34 | 7:34/mi
40K· 24.85 mi
3:10:29
Rank: #9538 (+91)
24M → 40K
6:35 | 7:42/mi
25.2M
3:13:21
Rank: #9501 (+37)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:20:56
Rank: #9438 (+63)
25.2M → Finish
7:35 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:12
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:41:44
Pace7:46 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0823:337:3523:33
7:35
-
10K
6.21 mi11:13:3747:027:3423:29
7:34
-0:01
15K
9.32 mi11:36:571:10:227:3323:20
7:31
-0:03
20K
12.43 mi12:00:381:34:037:3423:41
7:37
+0:06
Half
13.11 mi12:05:471:39:127:345:09
7:33
-0:04
25K
15.53 mi12:24:141:57:397:3418:27
7:37
+0:04
30K
18.64 mi12:48:392:22:047:3724:25
7:52
+0:15
20M
20.00 mi12:59:172:32:427:3810:38
7:49
-0:03
21M
21.00 mi13:07:302:40:557:408:13
8:13
+0:24
35K
21.75 mi13:13:112:46:367:405:41
7:36
-0:37
23M
23.00 mi13:22:552:56:207:409:44
7:46
+0:10
24M
24.00 mi13:30:293:03:547:407:34
7:34
-0:12
40K
24.85 mi13:37:043:10:297:406:35
7:42
+0:08
25.2M
25.20 mi13:39:563:13:217:402:52
8:19
+0:37
Finish
26.22 mi13:47:313:20:567:407:35
7:26
-0:53

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

7:26 /mi

Average Pace

7:40 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:51

94% of race

Time at Steady Pace

11:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /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 mi10:50:0823:337:3523:33
7:35
#10333
10K
6.21 mi11:13:3747:027:3423:29
7:34
#10632
15K
9.32 mi11:36:571:10:227:3323:20
7:31
#10492
20K
12.43 mi12:00:381:34:037:3423:41
7:37
#10411
Half
13.11 mi12:05:471:39:127:345:09
7:33
#10427
25K
15.53 mi12:24:141:57:397:3418:27
7:37
#10259
30K
18.64 mi12:48:392:22:047:3724:25
7:52
#10139
20M
20.00 mi12:59:172:32:427:3810:38
7:49
#10022
21M
21.00 mi13:07:302:40:557:408:13
8:13
#9911
35K
21.75 mi13:13:112:46:367:405:41
7:36
#9878
23M
23.00 mi13:22:552:56:207:409:44
7:46
#9736
24M
24.00 mi13:30:293:03:547:407:34
7:34
#9629
40K
24.85 mi13:37:043:10:297:406:35
7:42
#9538
25.2M
25.20 mi13:39:563:13:217:402:52
8:19
#9501
Finish
26.22 mi13:47:313:20:567:407:35
7:26
#9438
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi103338310831010246(Top 38%)8271(Top 55%)8271(Top 403%)
10K6.21 mi3.10 mi10632-2998481-1718481-17110933(Top 41%)8639(Top 57%)8639(Top 421%)
15K9.32 mi3.11 mi10492+1408419+628419+6210246(Top 38%)8271(Top 55%)8271(Top 403%)
20K12.43 mi3.11 mi10411+818368+518368+5110246(Top 38%)8207(Top 54%)8207(Top 400%)
Half13.11 mi0.68 mi10427-168371-38371-310533(Top 40%)8355(Top 55%)8355(Top 407%)
25K15.53 mi2.42 mi10259+1688266+1058266+1059604(Top 36%)7764(Top 51%)7764(Top 378%)
30K18.64 mi3.11 mi10139+1208166+1008166+1009803(Top 37%)7719(Top 51%)7719(Top 376%)
20M20.00 mi1.36 mi10022+1178079+878079+879051(Top 34%)7226(Top 48%)7226(Top 352%)
21M21.00 mi1.00 mi9911+1117989+907989+908688(Top 33%)6893(Top 45%)6893(Top 336%)
35K21.75 mi0.75 mi9878+337959+307959+309226(Top 35%)7203(Top 47%)7203(Top 351%)
23M23.00 mi1.25 mi9736+1427843+1167843+1168223(Top 31%)6541(Top 43%)6541(Top 319%)
24M24.00 mi1.00 mi9629+1077761+827761+828154(Top 31%)6410(Top 42%)6410(Top 312%)
40K24.85 mi0.85 mi9538+917683+787683+787973(Top 30%)6236(Top 41%)6236(Top 304%)
25.2M25.20 mi0.35 mi9501+377650+337650+338353(Top 31%)6385(Top 42%)6385(Top 311%)
Finish26.22 mi1.02 mi9438+637589+617589+618074(Top 30%)6210(Top 41%)6210(Top 303%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10246

Males

8271

M50-54

8271

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10933

Males

8639

M50-54

8639

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10246

Males

8271

M50-54

8271

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10246

Males

8207

M50-54

8207

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10533

Males

8355

M50-54

8355

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9604

Males

7764

M50-54

7764

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9803

Males

7719

M50-54

7719

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9051

Males

7226

M50-54

7226

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8688

Males

6893

M50-54

6893

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9226

Males

7203

M50-54

7203

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8223

Males

6541

M50-54

6541

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8154

Males

6410

M50-54

6410

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7973

Males

6236

M50-54

6236

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8353

Males

6385

M50-54

6385

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8074

Males

6210

M50-54

6210

Passing Analysis

Category:
Athletes Passed
1975*
Passed By
1080
Net Change
+895
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10333
5K → 10K166465-299#10333#10632
10K → 15K273133+140#10632#10492
15K → 20K183102+81#10492#10411
20K → Half2945-16#10411#10427
Half → 25K22153+168#10427#10259
25K → 30K214*94+120#10259#10139
30K → 20M146*29+117#10139#10022
20M → 21M149*38+111#10022#9911
21M → 35K5522+33#9911#9878
35K → 23M16422+142#9878#9736
23M → 24M12417+107#9736#9629
24M → 40K106*15+91#9629#9538
40K → 25.2M458+37#9538#9501
25.2M → Finish10037+63#9501#9438
TOTALS1975*1080+895

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

📊

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