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BOSTON MARATHON 2025

Jack Bradley

Bib: 27367•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
28:25
Rank: #23023
Start → 5K
28:25 | 9:09/mi
10K· 6.21 mi
56:20
Rank: #22690 (+333)
5K → 10K
27:55 | 8:59/mi
15K· 9.32 mi
1:24:45
Rank: #22666 (+24)
10K → 15K
28:25 | 9:09/mi
20K· 12.43 mi
1:54:21
Rank: #22793 (-127)
15K → 20K
29:36 | 9:32/mi
Half· 13.11 mi
2:00:44
Rank: #22811 (-18)
20K → Half
6:23 | 9:21/mi
25K· 15.53 mi
2:24:57
Rank: #22891 (-80)
Half → 25K
24:13 | 9:59/mi
30K· 18.64 mi
3:08:48
Rank: #24509 (-1618)
25K → 30K
43:51 | 14:07/mi
20M
3:24:05
Rank: #24501 (+8)
30K → 20M
15:17 | 11:15/mi
21M
3:37:15
Rank: #24559 (-58)
20M → 21M
13:10 | 13:10/mi
35K· 21.75 mi
3:46:04
Rank: #24613 (-54)
21M → 35K
8:49 | 11:47/mi
23M
4:01:10
Rank: #24668 (-55)
35K → 23M
15:06 | 12:04/mi
24M
4:12:29
Rank: #24652 (+16)
23M → 24M
11:19 | 11:19/mi
40K· 24.85 mi
4:22:47
Rank: #24689 (-37)
24M → 40K
10:18 | 12:03/mi
25.2M
4:26:56
Rank: #24673 (+16)
40K → 25.2M
4:09 | 12:02/mi
Finish· 26.22 mi
4:38:17
Rank: #24719 (-46)
25.2M → Finish
11:21 | 11:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:44
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:37:33
Pace12:01 /mi
📊Positive Split: 30.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:2928:259:0928:25
9:09
-
10K
6.21 mi12:12:2456:209:0427:55
8:59
-0:10
15K
9.32 mi12:40:491:24:459:0628:25
9:09
+0:10
20K
12.43 mi13:10:251:54:219:1229:36
9:32
+0:23
Half
13.11 mi13:16:482:00:449:136:23
9:21
-0:11
25K
15.53 mi13:41:012:24:579:2024:13
9:59
+0:38
30K
18.64 mi14:24:523:08:4810:0843:51
14:07
+4:08
20M
20.00 mi14:40:093:24:0510:1215:17
11:15
-2:52
21M
21.00 mi14:53:193:37:1510:2113:10
13:10
+1:55
35K
21.75 mi15:02:083:46:0410:248:49
11:47
-1:23
23M
23.00 mi15:17:144:01:1010:2915:06
12:04
+0:17
24M
24.00 mi15:28:334:12:2910:3111:19
11:19
-0:45
40K
24.85 mi15:38:514:22:4710:3410:18
12:03
+0:44
25.2M
25.20 mi15:43:004:26:5610:364:09
12:02
-0:01
Finish
26.22 mi15:54:214:38:1710:3711:21
11:08
-0:54

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

8:59 /mi

Average Pace

10:37 /mi

Slowest Pace

14:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:57

52% of race

Time at Steady Pace

46:46

17% of race

Time at Slower Pace

1:26:34

31% of race

Average Pace: 10:37 /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 mi11:44:2928:259:0928:25
9:09
#23023
10K
6.21 mi12:12:2456:209:0427:55
8:59
#22690
15K
9.32 mi12:40:491:24:459:0628:25
9:09
#22666
20K
12.43 mi13:10:251:54:219:1229:36
9:32
#22793
Half
13.11 mi13:16:482:00:449:136:23
9:21
#22811
25K
15.53 mi13:41:012:24:579:2024:13
9:59
#22891
30K
18.64 mi14:24:523:08:4810:0843:51
14:07
#24509
20M
20.00 mi14:40:093:24:0510:1215:17
11:15
#24501
21M
21.00 mi14:53:193:37:1510:2113:10
13:10
#24559
35K
21.75 mi15:02:083:46:0410:248:49
11:47
#24613
23M
23.00 mi15:17:144:01:1010:2915:06
12:04
#24668
24M
24.00 mi15:28:334:12:2910:3111:19
11:19
#24652
40K
24.85 mi15:38:514:22:4710:3410:18
12:03
#24689
25.2M
25.20 mi15:43:004:26:5610:364:09
12:02
#24673
Finish
26.22 mi15:54:214:38:1710:3711:21
11:08
#24719
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23023137801378022646(Top 80%)13670(Top 85%)13670(Top 242%)
10K6.21 mi3.10 mi22690+33313645+13513645+13522330(Top 79%)13491(Top 84%)13491(Top 239%)
15K9.32 mi3.11 mi22666+2413660-1513660-1522646(Top 80%)13670(Top 85%)13670(Top 242%)
20K12.43 mi3.11 mi22793-12713728-6813728-6822989(Top 81%)13787(Top 86%)13787(Top 244%)
Half13.11 mi0.68 mi22811-1813732-413732-423136(Top 81%)13855(Top 86%)13855(Top 246%)
25K15.53 mi2.42 mi22891-8013748-1613748-1623228(Top 82%)13850(Top 86%)13850(Top 245%)
30K18.64 mi3.11 mi24509-161814436-68814436-68827583(Top 97%)15689(Top 97%)15689(Top 278%)
20M20.00 mi1.36 mi24501+814425+1114425+1124090(Top 85%)14029(Top 87%)14029(Top 249%)
21M21.00 mi1.00 mi24559-5814430-514430-525270(Top 89%)14500(Top 90%)14500(Top 257%)
35K21.75 mi0.75 mi24613-5414449-1914449-1925549(Top 90%)14610(Top 91%)14610(Top 259%)
23M23.00 mi1.25 mi24668-5514452-314452-325205(Top 89%)14434(Top 90%)14434(Top 256%)
24M24.00 mi1.00 mi24652+1614433+1914433+1924599(Top 87%)14107(Top 88%)14107(Top 250%)
40K24.85 mi0.85 mi24689-3714436-314436-324998(Top 88%)14261(Top 89%)14261(Top 253%)
25.2M25.20 mi0.35 mi24673+1614425+1114425+1123304(Top 82%)13438(Top 83%)13438(Top 238%)
Finish26.22 mi1.02 mi24719-4614439-1414439-1425613(Top 90%)14582(Top 91%)14582(Top 258%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

22646

Males

13670

M18-39

13670

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22330

Males

13491

M18-39

13491

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

22646

Males

13670

M18-39

13670

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

22989

Males

13787

M18-39

13787

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

23136

Males

13855

M18-39

13855

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

23228

Males

13850

M18-39

13850

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

27583

Males

15689

M18-39

15689

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

24090

Males

14029

M18-39

14029

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25270

Males

14500

M18-39

14500

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

25549

Males

14610

M18-39

14610

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25205

Males

14434

M18-39

14434

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

24599

Males

14107

M18-39

14107

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

24998

Males

14261

M18-39

14261

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23304

Males

13438

M18-39

13438

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

25613

Males

14582

M18-39

14582

Passing Analysis

Category:
Athletes Passed
1179
Passed By
2875
Net Change
-1696
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23023
5K → 10K43097+333#23023#22690
10K → 15K192168+24#22690#22666
15K → 20K138265-127#22666#22793
20K → Half2947-18#22793#22811
Half → 25K117197-80#22811#22891
25K → 30K81626-1618#22891#24509
30K → 20M6254+8#24509#24501
20M → 21M3997-58#24501#24559
21M → 35K1569-54#24559#24613
35K → 23M4095-55#24613#24668
23M → 24M4428+16#24668#24652
24M → 40K2562-37#24652#24689
40K → 25.2M226+16#24689#24673
25.2M → Finish1864-46#24673#24719
TOTALS11792875-1696
📊

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