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BOSTON MARATHON 2025

Joshua Sukonnik

Bib: 4134•M

VT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Division (M18-39)
#0 / 5642
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:10
Rank: #6412
Start → 5K
21:10 | 6:49/mi
10K· 6.21 mi
42:36
Rank: #6796 (-384)
5K → 10K
21:26 | 6:54/mi
15K· 9.32 mi
1:03:34
Rank: #6404 (+392)
10K → 15K
20:58 | 6:45/mi
20K· 12.43 mi
1:24:36
Rank: #5998 (+406)
15K → 20K
21:02 | 6:46/mi
Half· 13.11 mi
1:29:11
Rank: #5975 (+23)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:33
Rank: #5672 (+303)
Half → 25K
16:22 | 6:45/mi
30K· 18.64 mi
2:06:57
Rank: #5253 (+419)
25K → 30K
21:24 | 6:53/mi
20M
2:16:14
Rank: #5022 (+231)
30K → 20M
9:17 | 6:50/mi
21M
2:23:07
Rank: #4729 (+293)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:27:49
Rank: #4535 (+194)
21M → 35K
4:42 | 6:17/mi
23M
2:35:56
Rank: #4234 (+301)
35K → 23M
8:07 | 6:29/mi
24M
2:42:13
Rank: #4024 (+210)
23M → 24M
6:17 | 6:17/mi
40K· 24.85 mi
2:47:39
Rank: #3835 (+189)
24M → 40K
5:26 | 6:21/mi
25.2M
2:50:06
Rank: #3779 (+56)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:56:29
Rank: #3613 (+166)
25.2M → Finish
6:23 | 6:16/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:29:11
Pace6:48 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:27:18
Pace6:40 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5721:106:4921:10
6:49
-
10K
6.21 mi10:45:2342:366:5121:26
6:54
+0:05
15K
9.32 mi11:06:211:03:346:4920:58
6:45
-0:09
20K
12.43 mi11:27:231:24:366:4821:02
6:46
+0:01
Half
13.11 mi11:31:581:29:116:484:35
6:43
-0:03
25K
15.53 mi11:48:201:45:336:4816:22
6:45
+0:02
30K
18.64 mi12:09:442:06:576:4921:24
6:53
+0:08
20M
20.00 mi12:19:012:16:146:499:17
6:50
-0:03
21M
21.00 mi12:25:542:23:076:496:53
6:53
+0:03
35K
21.75 mi12:30:362:27:496:484:42
6:17
-0:36
23M
23.00 mi12:38:432:35:566:478:07
6:29
+0:12
24M
24.00 mi12:45:002:42:136:466:17
6:17
-0:12
40K
24.85 mi12:50:262:47:396:455:26
6:21
+0:04
25.2M
25.20 mi12:52:532:50:066:452:27
7:06
+0:45
Finish
26.22 mi12:59:162:56:296:446:23
6:16
-0:50

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

6:16 /mi

Average Pace

6:44 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:36

86% of race

Time at Steady Pace

23:53

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi10:23:5721:106:4921:10
6:49
#6412
10K
6.21 mi10:45:2342:366:5121:26
6:54
#6796
15K
9.32 mi11:06:211:03:346:4920:58
6:45
#6404
20K
12.43 mi11:27:231:24:366:4821:02
6:46
#5998
Half
13.11 mi11:31:581:29:116:484:35
6:43
#5975
25K
15.53 mi11:48:201:45:336:4816:22
6:45
#5672
30K
18.64 mi12:09:442:06:576:4921:24
6:53
#5253
20M
20.00 mi12:19:012:16:146:499:17
6:50
#5022
21M
21.00 mi12:25:542:23:076:496:53
6:53
#4729
35K
21.75 mi12:30:362:27:496:484:42
6:17
#4535
23M
23.00 mi12:38:432:35:566:478:07
6:29
#4234
24M
24.00 mi12:45:002:42:136:466:17
6:17
#4024
40K
24.85 mi12:50:262:47:396:455:26
6:21
#3835
25.2M
25.20 mi12:52:532:50:066:452:27
7:06
#3779
Finish
26.22 mi12:59:162:56:296:446:23
6:16
#3613
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6412584658465566(Top 20%)5098(Top 32%)5098(Top 90%)
10K6.21 mi3.10 mi6796-3846136-2906136-2907223(Top 25%)6451(Top 40%)6451(Top 114%)
15K9.32 mi3.11 mi6404+3925827+3095827+3095566(Top 20%)5098(Top 32%)5098(Top 90%)
20K12.43 mi3.11 mi5998+4065484+3435484+3435006(Top 18%)4622(Top 29%)4622(Top 82%)
Half13.11 mi0.68 mi5975+235461+235461+235446(Top 19%)5001(Top 31%)5001(Top 89%)
25K15.53 mi2.42 mi5672+3035206+2555206+2554497(Top 16%)4157(Top 26%)4157(Top 74%)
30K18.64 mi3.11 mi5253+4194827+3794827+3794010(Top 14%)3696(Top 23%)3696(Top 66%)
20M20.00 mi1.36 mi5022+2314625+2024625+2023139(Top 11%)2915(Top 18%)2915(Top 52%)
21M21.00 mi1.00 mi4729+2934376+2494376+2491844(Top 6%)1739(Top 11%)1739(Top 31%)
35K21.75 mi0.75 mi4535+1944202+1744202+1741569(Top 6%)1479(Top 9%)1479(Top 26%)
23M23.00 mi1.25 mi4234+3013932+2703932+2701421(Top 5%)1338(Top 8%)1338(Top 24%)
24M24.00 mi1.00 mi4024+2103741+1913741+1911284(Top 5%)1203(Top 7%)1203(Top 21%)
40K24.85 mi0.85 mi3835+1893562+1793562+1791137(Top 4%)1066(Top 7%)1066(Top 19%)
25.2M25.20 mi0.35 mi3779+563517+453517+451853(Top 7%)1692(Top 11%)1692(Top 30%)
Finish26.22 mi1.02 mi3613+1663368+1493368+1491776(Top 6%)1646(Top 10%)1646(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5566

Males

5098

M18-39

5098

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7223

Males

6451

M18-39

6451

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5566

Males

5098

M18-39

5098

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5006

Males

4622

M18-39

4622

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5446

Males

5001

M18-39

5001

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4497

Males

4157

M18-39

4157

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

4010

Males

3696

M18-39

3696

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3139

Males

2915

M18-39

2915

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1844

Males

1739

M18-39

1739

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1569

Males

1479

M18-39

1479

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1421

Males

1338

M18-39

1338

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1284

Males

1203

M18-39

1203

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1137

Males

1066

M18-39

1066

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1853

Males

1692

M18-39

1692

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1776

Males

1646

M18-39

1646

Passing Analysis

Category:
Athletes Passed
3320
Passed By
521
Net Change
+2799
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6412
5K → 10K79463-384#6412#6796
10K → 15K41321+392#6796#6404
15K → 20K4126+406#6404#5998
20K → Half307+23#5998#5975
Half → 25K3096+303#5975#5672
25K → 30K43112+419#5672#5253
30K → 20M2343+231#5253#5022
20M → 21M2930+293#5022#4729
21M → 35K1940+194#4729#4535
35K → 23M3010+301#4535#4234
23M → 24M2100+210#4234#4024
24M → 40K1890+189#4024#3835
40K → 25.2M571+56#3835#3779
25.2M → Finish1682+166#3779#3613
TOTALS3320521+2799
📊

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