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BOSTON MARATHON 2025

Justin Barry

Bib: 4857•M

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 32%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:56
Rank: #5769
Start → 5K
20:56 | 6:44/mi
10K· 6.21 mi
41:45
Rank: #5550 (+219)
5K → 10K
20:49 | 6:42/mi
15K· 9.32 mi
1:02:37
Rank: #5424 (+126)
10K → 15K
20:52 | 6:43/mi
20K· 12.43 mi
1:24:20
Rank: #5822 (-398)
15K → 20K
21:43 | 6:59/mi
Half· 13.11 mi
1:29:06
Rank: #5919 (-97)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:46:40
Rank: #6305 (-386)
Half → 25K
17:34 | 7:15/mi
30K· 18.64 mi
2:09:51
Rank: #6433 (-128)
25K → 30K
23:11 | 7:28/mi
20M
2:20:01
Rank: #6388 (+45)
30K → 20M
10:10 | 7:29/mi
21M
2:27:35
Rank: #6255 (+133)
20M → 21M
7:34 | 7:34/mi
35K· 21.75 mi
2:33:01
Rank: #6238 (+17)
21M → 35K
5:26 | 7:16/mi
23M
2:42:16
Rank: #6148 (+90)
35K → 23M
9:15 | 7:23/mi
24M
2:49:30
Rank: #6082 (+66)
23M → 24M
7:14 | 7:14/mi
40K· 24.85 mi
2:55:52
Rank: #6026 (+56)
24M → 40K
6:22 | 7:27/mi
25.2M
2:58:33
Rank: #5990 (+36)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:05:20
Rank: #5821 (+169)
25.2M → Finish
6:47 | 6:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:06
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:36:14
Pace7:20 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1020:566:4420:56
6:44
-
10K
6.21 mi10:46:5941:456:4320:49
6:42
-0:02
15K
9.32 mi11:07:511:02:376:4320:52
6:43
+0:01
20K
12.43 mi11:29:341:24:206:4721:43
6:59
+0:16
Half
13.11 mi11:34:201:29:066:484:46
6:59
0:00
25K
15.53 mi11:51:541:46:406:5217:34
7:15
+0:16
30K
18.64 mi12:15:052:09:516:5823:11
7:28
+0:13
20M
20.00 mi12:25:152:20:017:0010:10
7:29
+0:01
21M
21.00 mi12:32:492:27:357:027:34
7:34
+0:05
35K
21.75 mi12:38:152:33:017:025:26
7:16
-0:18
23M
23.00 mi12:47:302:42:167:039:15
7:23
+0:07
24M
24.00 mi12:54:442:49:307:047:14
7:14
-0:09
40K
24.85 mi13:01:062:55:527:056:22
7:27
+0:13
25.2M
25.20 mi13:03:472:58:337:052:41
7:47
+0:20
Finish
26.22 mi13:10:343:05:207:046:47
6:39
-1:08

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

6:39 /mi

Average Pace

7:04 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:07

68% of race

Time at Steady Pace

59:13

32% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:04 /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 mi10:26:1020:566:4420:56
6:44
#5769
10K
6.21 mi10:46:5941:456:4320:49
6:42
#5550
15K
9.32 mi11:07:511:02:376:4320:52
6:43
#5424
20K
12.43 mi11:29:341:24:206:4721:43
6:59
#5822
Half
13.11 mi11:34:201:29:066:484:46
6:59
#5919
25K
15.53 mi11:51:541:46:406:5217:34
7:15
#6305
30K
18.64 mi12:15:052:09:516:5823:11
7:28
#6433
20M
20.00 mi12:25:152:20:017:0010:10
7:29
#6388
21M
21.00 mi12:32:492:27:357:027:34
7:34
#6255
35K
21.75 mi12:38:152:33:017:025:26
7:16
#6238
23M
23.00 mi12:47:302:42:167:039:15
7:23
#6148
24M
24.00 mi12:54:442:49:307:047:14
7:14
#6082
40K
24.85 mi13:01:062:55:527:056:22
7:27
#6026
25.2M
25.20 mi13:03:472:58:337:052:41
7:47
#5990
Finish
26.22 mi13:10:343:05:207:046:47
6:39
#5821
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5769532153215231(Top 18%)4837(Top 30%)4837(Top 86%)
10K6.21 mi3.10 mi5550+2195130+1915130+1915339(Top 19%)4940(Top 31%)4940(Top 88%)
15K9.32 mi3.11 mi5424+1265020+1105020+1105231(Top 18%)4837(Top 30%)4837(Top 86%)
20K12.43 mi3.11 mi5822-3985336-3165336-3166804(Top 24%)6057(Top 38%)6057(Top 107%)
Half13.11 mi0.68 mi5919-975420-845420-847398(Top 26%)6488(Top 40%)6488(Top 115%)
25K15.53 mi2.42 mi6305-3865706-2865706-2867928(Top 28%)6713(Top 42%)6713(Top 119%)
30K18.64 mi3.11 mi6433-1285783-775783-777457(Top 26%)6245(Top 39%)6245(Top 111%)
20M20.00 mi1.36 mi6388+455731+525731+526842(Top 24%)5727(Top 36%)5727(Top 102%)
21M21.00 mi1.00 mi6255+1335609+1225609+1224934(Top 17%)4322(Top 27%)4322(Top 77%)
35K21.75 mi0.75 mi6238+175582+275582+276936(Top 24%)5646(Top 35%)5646(Top 100%)
23M23.00 mi1.25 mi6148+905492+905492+905954(Top 21%)4932(Top 31%)4932(Top 87%)
24M24.00 mi1.00 mi6082+665430+625430+625997(Top 21%)4911(Top 30%)4911(Top 87%)
40K24.85 mi0.85 mi6026+565368+625368+626450(Top 23%)5106(Top 32%)5106(Top 90%)
25.2M25.20 mi0.35 mi5990+365333+355333+354733(Top 17%)3931(Top 24%)3931(Top 70%)
Finish26.22 mi1.02 mi5821+1695184+1495184+1493638(Top 13%)3164(Top 20%)3164(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5231

Males

4837

M18-39

4837

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5339

Males

4940

M18-39

4940

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5231

Males

4837

M18-39

4837

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6804

Males

6057

M18-39

6057

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7398

Males

6488

M18-39

6488

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7928

Males

6713

M18-39

6713

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

7457

Males

6245

M18-39

6245

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6842

Males

5727

M18-39

5727

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4934

Males

4322

M18-39

4322

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6936

Males

5646

M18-39

5646

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5954

Males

4932

M18-39

4932

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5997

Males

4911

M18-39

4911

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6450

Males

5106

M18-39

5106

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4733

Males

3931

M18-39

3931

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3638

Males

3164

M18-39

3164

Passing Analysis

Category:
Athletes Passed
1554
Passed By
1606
Net Change
-52
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5769
5K → 10K31899+219#5769#5550
10K → 15K18458+126#5550#5424
15K → 20K48446-398#5424#5822
20K → Half4101-97#5822#5919
Half → 25K49435-386#5919#6305
25K → 30K138266-128#6305#6433
30K → 20M11267+45#6433#6388
20M → 21M1429+133#6388#6255
21M → 35K4932+17#6255#6238
35K → 23M12838+90#6238#6148
23M → 24M8822+66#6148#6082
24M → 40K7822+56#6082#6026
40K → 25.2M415+36#6026#5990
25.2M → Finish1756+169#5990#5821
TOTALS15541606-52
📊

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