Boston Marathon logo
BOSTON MARATHON 2023

Konstantin Piatkov

Bib: 3882•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 13%
Masters (Masters Men)
#0 / 9891
Top 4%
Division (M45-49)
#0 / 2252
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:35
Rank: #3042
Start → 5K
20:35 | 6:38/mi
10K· 6.21 mi
40:08
Rank: #2272 (+770)
5K → 10K
19:33 | 6:18/mi
15K· 9.32 mi
59:44
Rank: #2043 (+229)
10K → 15K
19:36 | 6:19/mi
20K· 12.43 mi
1:19:51
Rank: #2054 (-11)
15K → 20K
20:07 | 6:28/mi
Half· 13.11 mi
1:24:13
Rank: #2066 (-12)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:40:08
Rank: #2121 (-55)
Half → 25K
15:55 | 6:34/mi
30K· 18.64 mi
2:00:58
Rank: #2173 (-52)
25K → 30K
20:50 | 6:42/mi
20M
2:10:08
Rank: #2182 (-9)
30K → 20M
9:10 | 6:45/mi
21M
2:17:12
Rank: #2171 (+11)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:22:02
Rank: #2160 (+11)
21M → 35K
4:50 | 6:28/mi
23M
2:30:31
Rank: #2159 (+1)
35K → 23M
8:29 | 6:47/mi
24M
2:37:11
Rank: #2159
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:42:55
Rank: #2151 (+8)
24M → 40K
5:44 | 6:42/mi
25.2M
2:45:25
Rank: #2151
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:52:04
Rank: #2117 (+34)
25.2M → Finish
6:39 | 6:32/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:13
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:27:51
Pace6:42 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0620:356:3820:35
6:38
-
10K
6.21 mi10:41:3940:086:2819:33
6:18
-0:20
15K
9.32 mi11:01:1559:446:2519:36
6:19
+0:01
20K
12.43 mi11:21:221:19:516:2620:07
6:28
+0:09
Half
13.11 mi11:25:441:24:136:254:22
6:24
-0:04
25K
15.53 mi11:41:391:40:086:2715:55
6:34
+0:10
30K
18.64 mi12:02:292:00:586:2920:50
6:42
+0:08
20M
20.00 mi12:11:392:10:086:309:10
6:45
+0:03
21M
21.00 mi12:18:432:17:126:327:04
7:04
+0:19
35K
21.75 mi12:23:332:22:026:324:50
6:28
-0:36
23M
23.00 mi12:32:022:30:316:338:29
6:47
+0:19
24M
24.00 mi12:38:422:37:116:336:40
6:40
-0:07
40K
24.85 mi12:44:262:42:556:335:44
6:42
+0:02
25.2M
25.20 mi12:46:562:45:256:342:30
7:15
+0:33
Finish
26.22 mi12:53:352:52:046:346:39
6:32
-0:43

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

6:18 /mi

Average Pace

6:34 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:30

94% of race

Time at Steady Pace

9:34

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:34 /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 mi10:22:0620:356:3820:35
6:38
#3042
10K
6.21 mi10:41:3940:086:2819:33
6:18
#2272
15K
9.32 mi11:01:1559:446:2519:36
6:19
#2043
20K
12.43 mi11:21:221:19:516:2620:07
6:28
#2054
Half
13.11 mi11:25:441:24:136:254:22
6:24
#2066
25K
15.53 mi11:41:391:40:086:2715:55
6:34
#2121
30K
18.64 mi12:02:292:00:586:2920:50
6:42
#2173
20M
20.00 mi12:11:392:10:086:309:10
6:45
#2182
21M
21.00 mi12:18:432:17:126:327:04
7:04
#2171
35K
21.75 mi12:23:332:22:026:324:50
6:28
#2160
23M
23.00 mi12:32:022:30:316:338:29
6:47
#2159
24M
24.00 mi12:38:422:37:116:336:40
6:40
#2159
40K
24.85 mi12:44:262:42:556:335:44
6:42
#2151
25.2M
25.20 mi12:46:562:45:256:342:30
7:15
#2151
Finish
26.22 mi12:53:352:52:046:346:39
6:32
#2117
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3042288228821696(Top 6%)1622(Top 11%)1622(Top 72%)
10K6.21 mi3.10 mi2272+7702172+7102172+7101750(Top 7%)1674(Top 11%)1674(Top 74%)
15K9.32 mi3.11 mi2043+2291958+2141958+2141696(Top 6%)1622(Top 11%)1622(Top 72%)
20K12.43 mi3.11 mi2054-111967-91967-92158(Top 8%)2070(Top 14%)2070(Top 92%)
Half13.11 mi0.68 mi2066-121978-111978-112221(Top 8%)2131(Top 14%)2131(Top 95%)
25K15.53 mi2.42 mi2121-552035-572035-572503(Top 9%)2394(Top 16%)2394(Top 106%)
30K18.64 mi3.11 mi2173-522085-502085-502412(Top 9%)2296(Top 15%)2296(Top 102%)
20M20.00 mi1.36 mi2182-92092-72092-72484(Top 9%)2355(Top 16%)2355(Top 105%)
21M21.00 mi1.00 mi2171+112080+122080+122447(Top 9%)2310(Top 15%)2310(Top 103%)
35K21.75 mi0.75 mi2160+112069+112069+112213(Top 8%)2100(Top 14%)2100(Top 93%)
23M23.00 mi1.25 mi2159+1206920692494(Top 9%)2340(Top 15%)2340(Top 104%)
24M24.00 mi1.00 mi21592071-22071-22891(Top 11%)2683(Top 18%)2683(Top 119%)
40K24.85 mi0.85 mi2151+82064+72064+72354(Top 9%)2184(Top 14%)2184(Top 97%)
25.2M25.20 mi0.35 mi2151206420642664(Top 10%)2450(Top 16%)2450(Top 109%)
Finish26.22 mi1.02 mi2117+342030+342030+342593(Top 10%)2379(Top 16%)2379(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1696

Males

1622

M45-49

1622

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1750

Males

1674

M45-49

1674

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1696

Males

1622

M45-49

1622

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2158

Males

2070

M45-49

2070

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2221

Males

2131

M45-49

2131

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2503

Males

2394

M45-49

2394

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2412

Males

2296

M45-49

2296

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2484

Males

2355

M45-49

2355

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2447

Males

2310

M45-49

2310

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2213

Males

2100

M45-49

2100

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2494

Males

2340

M45-49

2340

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2891

Males

2683

M45-49

2683

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2354

Males

2184

M45-49

2184

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2664

Males

2450

M45-49

2450

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2593

Males

2379

M45-49

2379

Passing Analysis

Category:
Athletes Passed
1402
Passed By
477
Net Change
+925
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3042
5K → 10K7700+770#3042#2272
10K → 15K2345+229#2272#2043
15K → 20K5566-11#2043#2054
20K → Half820-12#2054#2066
Half → 25K2883-55#2066#2121
25K → 30K4799-52#2121#2173
30K → 20M3544-9#2173#2182
20M → 21M3928+11#2182#2171
21M → 35K2413+11#2171#2160
35K → 23M3837+1#2160#2159
23M → 24M27270#2159#2159
24M → 40K3426+8#2159#2151
40K → 25.2M12120#2151#2151
25.2M → Finish5117+34#2151#2117
TOTALS1402477+925
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing