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BOSTON MARATHON 2025

Darren Cullen

Bib: 1385•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 19%
Division (M18-39)
#0 / 5642
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:59
Rank: #1462
Start → 5K
18:59 | 6:07/mi
10K· 6.21 mi
37:46
Rank: #1345 (+117)
5K → 10K
18:47 | 6:03/mi
15K· 9.32 mi
56:43
Rank: #1341 (+4)
10K → 15K
18:57 | 6:06/mi
20K· 12.43 mi
1:16:01
Rank: #1402 (-61)
15K → 20K
19:18 | 6:13/mi
Half· 13.11 mi
1:20:15
Rank: #1425 (-23)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:35:35
Rank: #1482 (-57)
Half → 25K
15:20 | 6:19/mi
30K· 18.64 mi
1:57:10
Rank: #1876 (-394)
25K → 30K
21:35 | 6:57/mi
20M
2:08:01
Rank: #2324 (-448)
30K → 20M
10:51 | 7:59/mi
21M
2:17:22
Rank: #2908 (-584)
20M → 21M
9:21 | 9:21/mi
35K· 21.75 mi
2:22:27
Rank: #2902 (+6)
21M → 35K
5:05 | 6:48/mi
23M
2:31:48
Rank: #3047 (-145)
35K → 23M
9:21 | 7:28/mi
24M
2:39:01
Rank: #3140 (-93)
23M → 24M
7:13 | 7:13/mi
40K· 24.85 mi
2:45:13
Rank: #3175 (-35)
24M → 40K
6:12 | 7:15/mi
25.2M
2:47:58
Rank: #3206 (-31)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
2:55:22
Rank: #3331 (-125)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:15
Pace6:07 /mi
2nd Half
Distance13.11 mi
Time1:35:07
Pace7:15 /mi
📊Positive Split: 18.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2818:596:0718:59
6:07
-
10K
6.21 mi10:38:1537:466:0518:47
6:03
-0:04
15K
9.32 mi10:57:1256:436:0518:57
6:06
+0:03
20K
12.43 mi11:16:301:16:016:0719:18
6:13
+0:07
Half
13.11 mi11:20:441:20:156:074:14
6:12
-0:01
25K
15.53 mi11:36:041:35:356:0915:20
6:19
+0:07
30K
18.64 mi11:57:391:57:106:1721:35
6:57
+0:38
20M
20.00 mi12:08:302:08:016:2410:51
7:59
+1:02
21M
21.00 mi12:17:512:17:226:329:21
9:21
+1:22
35K
21.75 mi12:22:562:22:276:335:05
6:48
-2:33
23M
23.00 mi12:32:172:31:486:369:21
7:28
+0:40
24M
24.00 mi12:39:302:39:016:387:13
7:13
-0:15
40K
24.85 mi12:45:422:45:136:396:12
7:15
+0:02
25.2M
25.20 mi12:48:272:47:586:402:45
7:58
+0:43
Finish
26.22 mi12:55:512:55:226:427:24
7:16
-0:42

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

6:03 /mi

Average Pace

6:42 /mi

Slowest Pace

9:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:35

55% of race

Time at Steady Pace

47:29

27% of race

Time at Slower Pace

32:18

18% of race

Average Pace: 6:41 /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 mi10:19:2818:596:0718:59
6:07
#1462
10K
6.21 mi10:38:1537:466:0518:47
6:03
#1345
15K
9.32 mi10:57:1256:436:0518:57
6:06
#1341
20K
12.43 mi11:16:301:16:016:0719:18
6:13
#1402
Half
13.11 mi11:20:441:20:156:074:14
6:12
#1425
25K
15.53 mi11:36:041:35:356:0915:20
6:19
#1482
30K
18.64 mi11:57:391:57:106:1721:35
6:57
#1876
20M
20.00 mi12:08:302:08:016:2410:51
7:59
#2324
21M
21.00 mi12:17:512:17:226:329:21
9:21
#2908
35K
21.75 mi12:22:562:22:276:335:05
6:48
#2902
23M
23.00 mi12:32:172:31:486:369:21
7:28
#3047
24M
24.00 mi12:39:302:39:016:387:13
7:13
#3140
40K
24.85 mi12:45:422:45:136:396:12
7:15
#3175
25.2M
25.20 mi12:48:272:47:586:402:45
7:58
#3206
Finish
26.22 mi12:55:512:55:226:427:24
7:16
#3331
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1462139313931385(Top 5%)1317(Top 8%)1317(Top 23%)
10K6.21 mi3.10 mi1345+1171278+1151278+1151269(Top 4%)1204(Top 7%)1204(Top 21%)
15K9.32 mi3.11 mi1341+41274+41274+41385(Top 5%)1317(Top 8%)1317(Top 23%)
20K12.43 mi3.11 mi1402-611330-561330-561632(Top 6%)1550(Top 10%)1550(Top 27%)
Half13.11 mi0.68 mi1425-231353-231353-232056(Top 7%)1965(Top 12%)1965(Top 35%)
25K15.53 mi2.42 mi1482-571404-511404-512001(Top 7%)1905(Top 12%)1905(Top 34%)
30K18.64 mi3.11 mi1876-3941787-3831787-3834377(Top 15%)4008(Top 25%)4008(Top 71%)
20M20.00 mi1.36 mi2324-4482216-4292216-42910306(Top 36%)7679(Top 48%)7679(Top 136%)
21M21.00 mi1.00 mi2908-5842763-5472763-54715361(Top 54%)9933(Top 62%)9933(Top 176%)
35K21.75 mi0.75 mi2902+62753+102753+104096(Top 14%)3671(Top 23%)3671(Top 65%)
23M23.00 mi1.25 mi3047-1452883-1302883-1306428(Top 23%)5241(Top 33%)5241(Top 93%)
24M24.00 mi1.00 mi3140-932965-822965-825911(Top 21%)4859(Top 30%)4859(Top 86%)
40K24.85 mi0.85 mi3175-352990-252990-255360(Top 19%)4461(Top 28%)4461(Top 79%)
25.2M25.20 mi0.35 mi3206-313018-283018-285774(Top 20%)4599(Top 29%)4599(Top 82%)
Finish26.22 mi1.02 mi3331-1253120-1023120-1027461(Top 26%)5594(Top 35%)5594(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1385

Males

1317

M18-39

1317

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1269

Males

1204

M18-39

1204

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1385

Males

1317

M18-39

1317

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1632

Males

1550

M18-39

1550

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

2056

Males

1965

M18-39

1965

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2001

Males

1905

M18-39

1905

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4377

Males

4008

M18-39

4008

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10306

Males

7679

M18-39

7679

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15361

Males

9933

M18-39

9933

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

4096

Males

3671

M18-39

3671

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6428

Males

5241

M18-39

5241

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5911

Males

4859

M18-39

4859

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5360

Males

4461

M18-39

4461

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5774

Males

4599

M18-39

4599

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7461

Males

5594

M18-39

5594

Passing Analysis

Category:
Athletes Passed
406
Passed By
2275
Net Change
-1869
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1462
5K → 10K14225+117#1462#1345
10K → 15K4440+4#1345#1341
15K → 20K3596-61#1341#1402
20K → Half124-23#1402#1425
Half → 25K2986-57#1425#1482
25K → 30K9403-394#1482#1876
30K → 20M1449-448#1876#2324
20M → 21M3587-584#2324#2908
21M → 35K3529+6#2908#2902
35K → 23M23168-145#2902#3047
23M → 24M23116-93#3047#3140
24M → 40K2964-35#3140#3175
40K → 25.2M1748-31#3175#3206
25.2M → Finish15140-125#3206#3331
TOTALS4062275-1869
📊

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