Boston Marathon logo
BOSTON MARATHON 2023

Oleksandr Kovalskyy

Bib: 27475•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:02
Rank: #16709
Start → 5K
26:02 | 8:23/mi
10K· 6.21 mi
52:04
Rank: #17047 (-338)
5K → 10K
26:02 | 8:23/mi
15K· 9.32 mi
1:16:56
Rank: #16204 (+843)
10K → 15K
24:52 | 8:00/mi
20K· 12.43 mi
1:42:58
Rank: #16150 (+54)
15K → 20K
26:02 | 8:23/mi
Half· 13.11 mi
1:48:18
Rank: #15993 (+157)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:07:56
Rank: #15583 (+410)
Half → 25K
19:38 | 8:06/mi
30K· 18.64 mi
2:34:00
Rank: #15199 (+384)
25K → 30K
26:04 | 8:23/mi
20M
2:45:04
Rank: #14922 (+277)
30K → 20M
11:04 | 8:09/mi
21M
2:53:51
Rank: #14756 (+166)
20M → 21M
8:47 | 8:47/mi
35K· 21.75 mi
2:59:53
Rank: #14648 (+108)
21M → 35K
6:02 | 8:04/mi
23M
3:10:14
Rank: #14474 (+174)
35K → 23M
10:21 | 8:16/mi
24M
3:18:15
Rank: #14315 (+159)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:25:13
Rank: #14180 (+135)
24M → 40K
6:58 | 8:09/mi
25.2M
3:28:18
Rank: #14133 (+47)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:36:18
Rank: #14004 (+129)
25.2M → Finish
8:00 | 7:51/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 Half⚖️ Balanced
Distance13.11 mi
Time1:48:18
Pace8:16 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:48:00
Pace8:14 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1526:028:2326:02
8:23
-
10K
6.21 mi12:09:1752:048:2326:02
8:23
0:00
15K
9.32 mi12:34:091:16:568:1524:52
8:00
-0:23
20K
12.43 mi13:00:111:42:588:1726:02
8:23
+0:23
Half
13.11 mi13:05:311:48:188:165:20
7:49
-0:34
25K
15.53 mi13:25:092:07:568:1419:38
8:06
+0:17
30K
18.64 mi13:51:132:34:008:1626:04
8:23
+0:17
20M
20.00 mi14:02:172:45:048:1511:04
8:09
-0:14
21M
21.00 mi14:11:042:53:518:178:47
8:47
+0:38
35K
21.75 mi14:17:062:59:538:166:02
8:04
-0:43
23M
23.00 mi14:27:273:10:148:1610:21
8:16
+0:12
24M
24.00 mi14:35:283:18:158:168:01
8:01
-0:15
40K
24.85 mi14:42:263:25:138:156:58
8:09
+0:08
25.2M
25.20 mi14:45:313:28:188:163:05
8:56
+0:47
Finish
26.22 mi14:53:313:36:188:158:00
7:51
-1:05

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

7:49 /mi

Average Pace

8:15 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:26

95% of race

Time at Steady Pace

11:52

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:15 /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 mi11:43:1526:028:2326:02
8:23
#16709
10K
6.21 mi12:09:1752:048:2326:02
8:23
#17047
15K
9.32 mi12:34:091:16:568:1524:52
8:00
#16204
20K
12.43 mi13:00:111:42:588:1726:02
8:23
#16150
Half
13.11 mi13:05:311:48:188:165:20
7:49
#15993
25K
15.53 mi13:25:092:07:568:1419:38
8:06
#15583
30K
18.64 mi13:51:132:34:008:1626:04
8:23
#15199
20M
20.00 mi14:02:172:45:048:1511:04
8:09
#14922
21M
21.00 mi14:11:042:53:518:178:47
8:47
#14756
35K
21.75 mi14:17:062:59:538:166:02
8:04
#14648
23M
23.00 mi14:27:273:10:148:1610:21
8:16
#14474
24M
24.00 mi14:35:283:18:158:168:01
8:01
#14315
40K
24.85 mi14:42:263:25:138:156:58
8:09
#14180
25.2M
25.20 mi14:45:313:28:188:163:05
8:56
#14133
Finish
26.22 mi14:53:313:36:188:158:00
7:51
#14004
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16709109521095214407(Top 54%)10065(Top 66%)10065(Top 190%)
10K6.21 mi3.10 mi17047-33811081-12911081-12917428(Top 65%)11260(Top 74%)11260(Top 213%)
15K9.32 mi3.11 mi16204+84310771+31010771+31014407(Top 54%)10065(Top 66%)10065(Top 190%)
20K12.43 mi3.11 mi16150+5410734+3710734+3716104(Top 60%)10670(Top 70%)10670(Top 202%)
Half13.11 mi0.68 mi15993+15710666+6810666+6812841(Top 48%)9434(Top 62%)9434(Top 179%)
25K15.53 mi2.42 mi15583+41010480+18610480+18613487(Top 51%)9556(Top 63%)9556(Top 181%)
30K18.64 mi3.11 mi15199+38410293+18710293+18713624(Top 51%)9503(Top 63%)9503(Top 180%)
20M20.00 mi1.36 mi14922+27710186+10710186+10711299(Top 42%)8406(Top 55%)8406(Top 159%)
21M21.00 mi1.00 mi14756+16610094+9210094+9212153(Top 46%)8658(Top 57%)8658(Top 164%)
35K21.75 mi0.75 mi14648+10810035+5910035+5912558(Top 47%)8809(Top 58%)8809(Top 167%)
23M23.00 mi1.25 mi14474+1749942+939942+9311632(Top 44%)8306(Top 55%)8306(Top 157%)
24M24.00 mi1.00 mi14315+1599861+819861+8111352(Top 43%)8083(Top 53%)8083(Top 153%)
40K24.85 mi0.85 mi14180+1359779+829779+8211018(Top 41%)7857(Top 52%)7857(Top 149%)
25.2M25.20 mi0.35 mi14133+479752+279752+2712148(Top 46%)8342(Top 55%)8342(Top 158%)
Finish26.22 mi1.02 mi14004+1299690+629690+6211037(Top 41%)7813(Top 51%)7813(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14407

Males

10065

M18-39

10065

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

17428

Males

11260

M18-39

11260

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14407

Males

10065

M18-39

10065

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

16104

Males

10670

M18-39

10670

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12841

Males

9434

M18-39

9434

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13487

Males

9556

M18-39

9556

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13624

Males

9503

M18-39

9503

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11299

Males

8406

M18-39

8406

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12153

Males

8658

M18-39

8658

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

12558

Males

8809

M18-39

8809

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11632

Males

8306

M18-39

8306

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11352

Males

8083

M18-39

8083

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11018

Males

7857

M18-39

7857

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12148

Males

8342

M18-39

8342

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11037

Males

7813

M18-39

7813

Passing Analysis

Category:
Athletes Passed
3500
Passed By
795
Net Change
+2705
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16709
5K → 10K173511-338#16709#17047
10K → 15K86926+843#17047#16204
15K → 20K195141+54#16204#16150
20K → Half1581+157#16150#15993
Half → 25K42010+410#15993#15583
25K → 30K40824+384#15583#15199
30K → 20M2781+277#15199#14922
20M → 21M18115+166#14922#14756
21M → 35K1179+108#14756#14648
35K → 23M18511+174#14648#14474
23M → 24M1678+159#14474#14315
24M → 40K14611+135#14315#14180
40K → 25.2M5811+47#14180#14133
25.2M → Finish14516+129#14133#14004
TOTALS3500795+2705
📊

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