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BOSTON MARATHON 2025

Jonathan Kushner

Bib: 10448•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 35%
Gender (Male)
#0 / 16105
Top 48%
Masters (Masters Men)
#0 / 10463
Top 37%
Division (M50-54)
#0 / 1996
Top 38%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:28
Rank: #9738
Start → 5K
22:28 | 7:14/mi
10K· 6.21 mi
44:43
Rank: #9427 (+311)
5K → 10K
22:15 | 7:10/mi
15K· 9.32 mi
1:07:22
Rank: #9556 (-129)
10K → 15K
22:39 | 7:17/mi
20K· 12.43 mi
1:30:28
Rank: #9686 (-130)
15K → 20K
23:06 | 7:26/mi
Half· 13.11 mi
1:35:41
Rank: #9863 (-177)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
1:54:02
Rank: #9908 (-45)
Half → 25K
18:21 | 7:34/mi
30K· 18.64 mi
2:18:50
Rank: #10122 (-214)
25K → 30K
24:48 | 7:59/mi
20M
2:29:41
Rank: #10094 (+28)
30K → 20M
10:51 | 7:59/mi
21M
2:38:04
Rank: #10059 (+35)
20M → 21M
8:23 | 8:23/mi
35K· 21.75 mi
2:44:03
Rank: #10117 (-58)
21M → 35K
5:59 | 8:00/mi
23M
2:53:54
Rank: #10016 (+101)
35K → 23M
9:51 | 7:52/mi
24M
3:01:43
Rank: #9996 (+20)
23M → 24M
7:49 | 7:49/mi
40K· 24.85 mi
3:08:39
Rank: #9997 (-1)
24M → 40K
6:56 | 8:07/mi
25.2M
3:11:39
Rank: #9968 (+29)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:19:32
Rank: #10004 (-36)
25.2M → Finish
7:53 | 7:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:41
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:43:51
Pace7:55 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3422:287:1422:28
7:14
-
10K
6.21 mi11:10:4944:437:1222:15
7:10
-0:04
15K
9.32 mi11:33:281:07:227:1422:39
7:17
+0:07
20K
12.43 mi11:56:341:30:287:1723:06
7:26
+0:09
Half
13.11 mi12:01:471:35:417:185:13
7:39
+0:13
25K
15.53 mi12:20:081:54:027:2018:21
7:34
-0:05
30K
18.64 mi12:44:562:18:507:2724:48
7:59
+0:25
20M
20.00 mi12:55:472:29:417:2910:51
7:59
0:00
21M
21.00 mi13:04:102:38:047:328:23
8:23
+0:24
35K
21.75 mi13:10:092:44:037:335:59
8:00
-0:23
23M
23.00 mi13:20:002:53:547:349:51
7:52
-0:08
24M
24.00 mi13:27:493:01:437:347:49
7:49
-0:03
40K
24.85 mi13:34:453:08:397:356:56
8:07
+0:18
25.2M
25.20 mi13:37:453:11:397:363:00
8:42
+0:35
Finish
26.22 mi13:45:383:19:327:377:53
7:44
-0:58

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

7:10 /mi

Average Pace

7:37 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:49

55% of race

Time at Steady Pace

1:12:24

36% of race

Time at Slower Pace

18:19

9% of race

Average Pace: 7:37 /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 mi10:48:3422:287:1422:28
7:14
#9738
10K
6.21 mi11:10:4944:437:1222:15
7:10
#9427
15K
9.32 mi11:33:281:07:227:1422:39
7:17
#9556
20K
12.43 mi11:56:341:30:287:1723:06
7:26
#9686
Half
13.11 mi12:01:471:35:417:185:13
7:39
#9863
25K
15.53 mi12:20:081:54:027:2018:21
7:34
#9908
30K
18.64 mi12:44:562:18:507:2724:48
7:59
#10122
20M
20.00 mi12:55:472:29:417:2910:51
7:59
#10094
21M
21.00 mi13:04:102:38:047:328:23
8:23
#10059
35K
21.75 mi13:10:092:44:037:335:59
8:00
#10117
23M
23.00 mi13:20:002:53:547:349:51
7:52
#10016
24M
24.00 mi13:27:493:01:437:347:49
7:49
#9996
40K
24.85 mi13:34:453:08:397:356:56
8:07
#9997
25.2M
25.20 mi13:37:453:11:397:363:00
8:42
#9968
Finish
26.22 mi13:45:383:19:327:377:53
7:44
#10004
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9738802780279915(Top 35%)8038(Top 50%)8038(Top 403%)
10K6.21 mi3.10 mi9427+3117863+1647863+1649151(Top 32%)7689(Top 48%)7689(Top 385%)
15K9.32 mi3.11 mi9556-1297902-397902-399915(Top 35%)8038(Top 50%)8038(Top 403%)
20K12.43 mi3.11 mi9686-1307928-267928-2610197(Top 36%)8113(Top 50%)8113(Top 406%)
Half13.11 mi0.68 mi9863-1778031-1038031-10312881(Top 45%)9388(Top 58%)9388(Top 470%)
25K15.53 mi2.42 mi9908-458021+108021+1010484(Top 37%)8136(Top 51%)8136(Top 408%)
30K18.64 mi3.11 mi10122-2148073-528073-5211238(Top 40%)8302(Top 52%)8302(Top 416%)
20M20.00 mi1.36 mi10094+288034+398034+3910327(Top 36%)7700(Top 48%)7700(Top 386%)
21M21.00 mi1.00 mi10059+357969+657969+659734(Top 34%)7226(Top 45%)7226(Top 362%)
35K21.75 mi0.75 mi10117-587966+37966+312211(Top 43%)8416(Top 52%)8416(Top 422%)
23M23.00 mi1.25 mi10016+1017876+907876+909042(Top 32%)6742(Top 42%)6742(Top 338%)
24M24.00 mi1.00 mi9996+207827+497827+499902(Top 35%)7111(Top 44%)7111(Top 356%)
40K24.85 mi0.85 mi9997-17798+297798+2910900(Top 38%)7510(Top 47%)7510(Top 376%)
25.2M25.20 mi0.35 mi9968+297769+297769+299948(Top 35%)6924(Top 43%)6924(Top 347%)
Finish26.22 mi1.02 mi10004-367756+137756+1310939(Top 39%)7478(Top 46%)7478(Top 375%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9915

Males

8038

M50-54

8038

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

9151

Males

7689

M50-54

7689

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9915

Males

8038

M50-54

8038

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10197

Males

8113

M50-54

8113

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12881

Males

9388

M50-54

9388

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10484

Males

8136

M50-54

8136

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11238

Males

8302

M50-54

8302

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10327

Males

7700

M50-54

7700

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9734

Males

7226

M50-54

7226

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

12211

Males

8416

M50-54

8416

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

9042

Males

6742

M50-54

6742

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9902

Males

7111

M50-54

7111

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10900

Males

7510

M50-54

7510

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9948

Males

6924

M50-54

6924

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

10939

Males

7478

M50-54

7478

Passing Analysis

Category:
Athletes Passed
1723*
Passed By
1983
Net Change
-266
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9738
5K → 10K413102+311#9738#9427
10K → 15K123252-129#9427#9556
15K → 20K144274-130#9556#9686
20K → Half4181-177#9686#9863
Half → 25K137182-45#9863#9908
25K → 30K172384-214#9908#10122
30K → 20M132104+28#10122#10094
20M → 21M12589+35#10094#10059
21M → 35K55112-58#10059#10117
35K → 23M13938+101#10117#10016
23M → 24M9474+20#10016#9996
24M → 40K7575-1#9996#9997
40K → 25.2M49*20+29#9997#9968
25.2M → Finish6196-36#9968#10004
TOTALS1723*1983-266

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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