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BOSTON MARATHON 2026

Jaroslaw Perkowski

Bib: 14400•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 29%
Gender (Male)
#0 / 16340
Top 42%
Masters (Masters Men)
#0 / 10617
Top 30%
Age Group (M60-64)
#0 / 1514
Top 3%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
21:05
3.11 mi
Rank: #6738
Start → 5K
21:05 | 6:48/mi
10K
42:10
6.21 mi
Rank: #6749 (-11)
5K → 10K
21:05 | 6:48/mi
15K
1:03:27
9.32 mi
Rank: #6913 (-164)
10K → 15K
21:17 | 6:52/mi
20K
1:25:19
12.43 mi
Rank: #7280 (-367)
15K → 20K
21:52 | 7:03/mi
HALF
1:30:03
13.11 mi
Rank: #7323 (-43)
20K → HALF
4:44 | 6:57/mi
25K
1:47:33
15.53 mi
Rank: #7581 (-258)
HALF → 25K
17:30 | 7:13/mi
30K
2:10:48
18.64 mi
Rank: #7827 (-246)
25K → 30K
23:15 | 7:30/mi
20M
2:21:18
20.00 mi
Rank: #7982 (-155)
30K → 20M
10:30 | 7:44/mi
21M
2:29:27
21.00 mi
Rank: #8079 (-97)
20M → 21M
8:09 | 8:09/mi
35K
2:34:52
21.75 mi
Rank: #8086 (-7)
21M → 35K
5:25 | 7:15/mi
23M
2:44:33
23.00 mi
Rank: #8155 (-69)
35K → 23M
9:41 | 7:45/mi
24M
2:51:57
24.00 mi
Rank: #8173 (-18)
23M → 24M
7:24 | 7:24/mi
40K
2:58:37
24.85 mi
Rank: #8251 (-78)
24M → 40K
6:40 | 7:48/mi
25.2M
3:01:37
25.20 mi
Rank: #8311 (-60)
40K → 25.2M
3:00 | 8:42/mi
FINISH
3:09:29
26.22 mi
Rank: #8459 (-148)
25.2M → FINISH
7:52 | 7:44/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:30:03
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:39:26
Pace7:36 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4921:056:4821:05
6:48
-
10K
6.21 mi11:11:5442:106:4821:05
6:48
0:00
15K
9.32 mi11:33:111:03:276:4921:17
6:52
+0:04
20K
12.43 mi11:55:031:25:196:5221:52
7:03
+0:11
HALF
13.11 mi11:59:471:30:036:534:44
6:57
-0:06
25K
15.53 mi12:17:171:47:336:5617:30
7:13
+0:16
30K
18.64 mi12:40:322:10:487:0223:15
7:30
+0:17
20M
20.00 mi12:51:022:21:187:0410:30
7:44
+0:14
21M
21.00 mi12:59:112:29:277:088:09
8:09
+0:25
35K
21.75 mi13:04:362:34:527:085:25
7:15
-0:54
23M
23.00 mi13:14:172:44:337:109:41
7:45
+0:30
24M
24.00 mi13:21:412:51:577:107:24
7:24
-0:21
40K
24.85 mi13:28:212:58:377:126:40
7:48
+0:24
25.2M
25.20 mi13:31:213:01:377:133:00
8:42
+0:54
FINISH
26.22 mi13:39:133:09:297:147:52
7:44
-0:58

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:48 /mi

Average Pace

7:14 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:30:03

48% of race

Time at Steady Pace

53:34

28% of race

Time at Slower Pace

45:52

24% of race

Average Pace: 7:14 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:50:4921:056:4821:05
6:48
#6738
10K
6.21 mi11:11:5442:106:4821:05
6:48
#6749
15K
9.32 mi11:33:111:03:276:4921:17
6:52
#6913
20K
12.43 mi11:55:031:25:196:5221:52
7:03
#7280
HALF
13.11 mi11:59:471:30:036:534:44
6:57
#7323
25K
15.53 mi12:17:171:47:336:5617:30
7:13
#7581
30K
18.64 mi12:40:322:10:487:0223:15
7:30
#7827
20M
20.00 mi12:51:022:21:187:0410:30
7:44
#7982
21M
21.00 mi12:59:112:29:277:088:09
8:09
#8079
35K
21.75 mi13:04:362:34:527:085:25
7:15
#8086
23M
23.00 mi13:14:172:44:337:109:41
7:45
#8155
24M
24.00 mi13:21:412:51:577:107:24
7:24
#8173
40K
24.85 mi13:28:212:58:377:126:40
7:48
#8251
25.2M
25.20 mi13:31:213:01:377:133:00
8:42
#8311
FINISH
26.22 mi13:39:133:09:297:147:52
7:44
#8459
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi6738602760277340(Top 25%)6417(Top 39%)6417(Top 424%)
10K6.21 mi3.10 mi6749-116036-96036-96849(Top 24%)6086(Top 37%)6086(Top 402%)
15K9.32 mi3.11 mi6913-1646136-1006136-1007340(Top 25%)6417(Top 39%)6417(Top 424%)
20K12.43 mi3.11 mi7280-3676382-2466382-2468131(Top 28%)6916(Top 42%)6916(Top 457%)
HALF13.11 mi0.68 mi7323-436409-276409-278232(Top 28%)7009(Top 43%)7009(Top 463%)
25K15.53 mi2.42 mi7581-2586584-1756584-1758990(Top 31%)7315(Top 45%)7315(Top 483%)
30K18.64 mi3.11 mi7827-2466722-1386722-1389529(Top 33%)7437(Top 46%)7437(Top 491%)
20M20.00 mi1.36 mi7982-1556789-676789-6710790(Top 37%)7962(Top 49%)7962(Top 526%)
21M21.00 mi1.00 mi8079-976830-416830-4110856(Top 37%)7887(Top 48%)7887(Top 521%)
35K21.75 mi0.75 mi8086-76816+146816+148815(Top 30%)6861(Top 42%)6861(Top 453%)
23M23.00 mi1.25 mi8155-696826-106826-1010511(Top 36%)7610(Top 47%)7610(Top 503%)
24M24.00 mi1.00 mi8173-186810+166810+169306(Top 32%)6941(Top 42%)6941(Top 458%)
40K24.85 mi0.85 mi8251-786828-186828-1810961(Top 38%)7672(Top 47%)7672(Top 507%)
25.2M25.20 mi0.35 mi8311-606847-196847-1912770(Top 44%)8456(Top 52%)8456(Top 559%)
FINISH26.22 mi1.02 mi8459-1486902-556902-5513084(Top 45%)8602(Top 53%)8602(Top 568%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21
+97ft-345ft

Overall

7340

Males

6417

M60-64

6417

5K→10K

3.1 - 6.2 mi

Top 24%
×5
+79ft-138ft

Overall

6849

Males

6086

M60-64

6086

10K→15K

6.2 - 9.3 mi

Top 25%
×3
+67ft-78ft

Overall

7340

Males

6417

M60-64

6417

15K→20K

9.3 - 12.4 mi

Top 28%
×5
+106ft-86ft

Overall

8131

Males

6916

M60-64

6916

20K→HALF

12.4 - 13.1 mi

Top 28%
×2
+19ft-37ft

Overall

8232

Males

7009

M60-64

7009

HALF→25K

13.1 - 15.5 mi

Top 31%
×4
+66ft-88ft

Overall

8990

Males

7315

M60-64

7315

25K→30K

15.5 - 18.6 mi

Top 33%
×9
+181ft-148ft

Overall

9529

Males

7437

M60-64

7437

30K→20M

18.6 - 20.0 mi

Top 37%
×5
+64ft-50ft

Overall

10790

Males

7962

M60-64

7962

20M→21M

20.0 - 21.0 mi

Top 37%
×8
+106ft-24ft

Overall

10856

Males

7887

M60-64

7887

21M→35K

21.0 - 21.8 mi

Top 30%
×7
+17ft-86ft

Overall

8815

Males

6861

M60-64

6861

35K→23M

21.8 - 23.0 mi

Top 36%
×5
+23ft-63ft

Overall

10511

Males

7610

M60-64

7610

23M→24M

23.0 - 24.0 mi

Top 32%
×6
+12ft-82ft

Overall

9306

Males

6941

M60-64

6941

24M→40K

24.0 - 24.9 mi

Top 38%
×1
+6ft-20ft

Overall

10961

Males

7672

M60-64

7672

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1
+13ft-16ft

Overall

12770

Males

8456

M60-64

8456

25.2M→FINISH

25.2 - 26.2 mi

Top 45%
×2
+22ft-21ft

Overall

13084

Males

8602

M60-64

8602

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
836
Passed By
2029
Net Change
-1721
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6738
5K → 10K194200-11#6738#6749
10K → 15K81200-164#6749#6913
15K → 20K70200-367#6913#7280
20K → HALF1356-43#7280#7323
HALF → 25K55200-258#7323#7581
25K → 30K82200-246#7581#7827
30K → 20M38193-155#7827#7982
20M → 21M36133-97#7982#8079
21M → 35K4754-7#8079#8086
35K → 23M71140-69#8086#8155
23M → 24M6381-18#8155#8173
24M → 40K35113-78#8173#8251
40K → 25.2M2181-60#8251#8311
25.2M → FINISH30178-148#8311#8459
TOTALS8362029-1721
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing