Boston Marathon logo
BOSTON MARATHON 2025

Andrii Koshel

Bib: 16606•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:42
Rank: #20416
Start → 5K
8:36/mi
26:42 split
10K· 6.21 mi
53:14
Rank: #20228 (+188)
5K → 10K
8:32/mi
26:32 split
15K· 9.32 mi
1:19:35
Rank: #19906 (+322)
10K → 15K
8:29/mi
26:21 split
20K· 12.43 mi
1:46:16
Rank: #19585 (+321)
15K → 20K
8:35/mi
26:41 split
Half· 13.11 mi
1:52:02
Rank: #19562 (+23)
20K → Half
8:27/mi
5:46 split
25K· 15.53 mi
2:13:04
Rank: #19301 (+261)
Half → 25K
8:41/mi
21:02 split
30K· 18.64 mi
2:41:36
Rank: #19164 (+137)
25K → 30K
9:11/mi
28:32 split
20M
2:54:18
Rank: #19097 (+67)
30K → 20M
9:21/mi
12:42 split
21M
3:04:13
Rank: #19028 (+69)
20M → 21M
9:55/mi
9:55 split
35K· 21.75 mi
3:10:58
Rank: #19001 (+27)
21M → 35K
9:01/mi
6:45 split
23M
3:22:58
Rank: #19013 (-12)
35K → 23M
9:35/mi
12:00 split
24M
3:32:19
Rank: #19030 (-17)
23M → 24M
9:21/mi
9:21 split
40K· 24.85 mi
3:41:04
Rank: #19131 (-101)
24M → 40K
10:14/mi
8:45 split
25.2M
3:45:10
Rank: #19207 (-76)
40K → 25.2M
11:53/mi
4:06 split
Finish· 26.22 mi
3:54:53
Rank: #19308 (-101)
25.2M → Finish
9:32/mi
9:43 split

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
Time1:52:02
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:02:51
Pace9:22 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:01:0926:428:3626:42
8:36
-
10K
6.21 mi11:27:4153:148:3426:32
8:32
-0:04
15K
9.32 mi11:54:021:19:358:3226:21
8:29
-0:03
20K
12.43 mi12:20:431:46:168:3326:41
8:35
+0:06
Half
13.11 mi12:26:291:52:028:335:46
8:27
-0:08
25K
15.53 mi12:47:312:13:048:3421:02
8:41
+0:14
30K
18.64 mi13:16:032:41:368:4028:32
9:11
+0:30
20M
20.00 mi13:28:452:54:188:4312:42
9:21
+0:10
21M
21.00 mi13:38:403:04:138:469:55
9:55
+0:34
35K
21.75 mi13:45:253:10:588:476:45
9:01
-0:54
23M
23.00 mi13:57:253:22:588:4912:00
9:35
+0:34
24M
24.00 mi14:06:463:32:198:519:21
9:21
-0:14
40K
24.85 mi14:15:313:41:048:548:45
10:14
+0:53
25.2M
25.20 mi14:19:373:45:108:564:06
11:53
+1:39
Finish
26.22 mi14:29:203:54:538:589:43
9:32
-2:21

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

8:27 /mi

Average Pace

8:58 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:04

57% of race

Time at Steady Pace

1:19:03

34% of race

Time at Slower Pace

22:46

10% of race

Average Pace: 8:57 /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 mi11:01:0926:428:3626:42
8:36
#20416
10K
6.21 mi11:27:4153:148:3426:32
8:32
#20228
15K
9.32 mi11:54:021:19:358:3226:21
8:29
#19906
20K
12.43 mi12:20:431:46:168:3326:41
8:35
#19585
Half
13.11 mi12:26:291:52:028:335:46
8:27
#19562
25K
15.53 mi12:47:312:13:048:3421:02
8:41
#19301
30K
18.64 mi13:16:032:41:368:4028:32
9:11
#19164
20M
20.00 mi13:28:452:54:188:4312:42
9:21
#19097
21M
21.00 mi13:38:403:04:138:469:55
9:55
#19028
35K
21.75 mi13:45:253:10:588:476:45
9:01
#19001
23M
23.00 mi13:57:253:22:588:4912:00
9:35
#19013
24M
24.00 mi14:06:463:32:198:519:21
9:21
#19030
40K
24.85 mi14:15:313:41:048:548:45
10:14
#19131
25.2M
25.20 mi14:19:373:45:108:564:06
11:53
#19207
Finish
26.22 mi14:29:203:54:538:589:43
9:32
#19308
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi20416126061260619202(Top 68%)12144(Top 75%)12144(Top 509%)
10K6.21 mi3.10 mi20228+18812559+4712559+4720028(Top 71%)12491(Top 78%)12491(Top 524%)
15K9.32 mi3.11 mi19906+32212435+12412435+12419202(Top 68%)12144(Top 75%)12144(Top 509%)
20K12.43 mi3.11 mi19585+32112293+14212293+14218778(Top 66%)11937(Top 74%)11937(Top 500%)
Half13.11 mi0.68 mi19562+2312280+1312280+1318874(Top 66%)11999(Top 75%)11999(Top 503%)
25K15.53 mi2.42 mi19301+26112159+12112159+12118236(Top 64%)11634(Top 72%)11634(Top 488%)
30K18.64 mi3.11 mi19164+13712059+10012059+10018569(Top 65%)11650(Top 72%)11650(Top 488%)
20M20.00 mi1.36 mi19097+6712011+4812011+4818491(Top 65%)11445(Top 71%)11445(Top 480%)
21M21.00 mi1.00 mi19028+6911954+5711954+5717967(Top 63%)11149(Top 69%)11149(Top 467%)
35K21.75 mi0.75 mi19001+2711925+2911925+2918325(Top 65%)11195(Top 70%)11195(Top 469%)
23M23.00 mi1.25 mi19013-1211906+1911906+1919017(Top 67%)11447(Top 71%)11447(Top 480%)
24M24.00 mi1.00 mi19030-1711894+1211894+1219022(Top 67%)11424(Top 71%)11424(Top 479%)
40K24.85 mi0.85 mi19131-10111913-1911913-1921159(Top 74%)12357(Top 77%)12357(Top 518%)
25.2M25.20 mi0.35 mi19207-7611925-1211925-1222963(Top 81%)13257(Top 82%)13257(Top 556%)
Finish26.22 mi1.02 mi19308-10111954-2911954-2921279(Top 75%)12420(Top 77%)12420(Top 521%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

19202

Males

12144

M45-49

12144

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

20028

Males

12491

M45-49

12491

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

19202

Males

12144

M45-49

12144

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18778

Males

11937

M45-49

11937

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18874

Males

11999

M45-49

11999

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18236

Males

11634

M45-49

11634

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18569

Males

11650

M45-49

11650

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

18491

Males

11445

M45-49

11445

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17967

Males

11149

M45-49

11149

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18325

Males

11195

M45-49

11195

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

19017

Males

11447

M45-49

11447

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

19022

Males

11424

M45-49

11424

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21159

Males

12357

M45-49

12357

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22963

Males

13257

M45-49

13257

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21279

Males

12420

M45-49

12420

Passing Analysis

Category:
Athletes Passed
2354
Passed By
1246
Net Change
+1108
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20416
5K → 10K392204+188#20416#20228
10K → 15K37452+322#20228#19906
15K → 20K37453+321#19906#19585
20K → Half4825+23#19585#19562
Half → 25K31352+261#19562#19301
25K → 30K289152+137#19301#19164
30K → 20M13871+67#19164#19097
20M → 21M12556+69#19097#19028
21M → 35K7346+27#19028#19001
35K → 23M8597-12#19001#19013
23M → 24M6077-17#19013#19030
24M → 40K43144-101#19030#19131
40K → 25.2M1490-76#19131#19207
25.2M → Finish26127-101#19207#19308
TOTALS23541246+1108
📊

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