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BOSTON MARATHON 2025

Brian Cloherty

Bib: 30520•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:56/mi
30:52
↑ 97↓ 3451.5%
10K· 6.21 mi
9:54/mi
1:01:39
↑ 79↓ 1380.4%
15K· 9.32 mi
9:35/mi
1:31:25
↑ 67↓ 78
20K· 12.43 mi
9:36/mi
2:01:14
↑ 106↓ 860.1%
Half· 13.11 mi
9:29/mi
2:07:42
↑ 19↓ 370.5%
25K· 15.53 mi
9:59/mi
2:31:55
↑ 66↓ 880.2%
30K· 18.64 mi
10:33/mi
3:04:43
↑ 181↓ 1480.2%
20M
10:27/mi
3:18:55
↑ 64↓ 500.2%
21M
11:03/mi
3:29:58
↑ 106↓ 241.6%
35K· 21.75 mi
10:20/mi
3:37:42
↑ 17↓ 861.7%
23M
10:57/mi
3:51:24
↑ 23↓ 630.6%
24M
10:18/mi
4:01:42
↓ 821.3%
40K· 24.85 mi
10:41/mi
4:10:50
↓ 200.3%
25.2M
11:10/mi
4:14:41
↑ 13↓ 160.2%
Finish· 26.22 mi
9:42/mi
4:24:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:42
Pace9:44 /mi
2nd Half
Distance13.11 mi
Time2:16:52
Pace10:26 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2830:529:5630:52
9:56
-
10K
6.21 mi12:21:151:01:399:5530:47
9:54
-0:02
15K
9.32 mi12:51:011:31:259:4829:46
9:35
-0:19
20K
12.43 mi13:20:502:01:149:4529:49
9:36
+0:01
Half
13.11 mi13:27:182:07:429:446:28
9:29
-0:07
25K
15.53 mi13:51:312:31:559:4724:13
9:59
+0:30
30K
18.64 mi14:24:193:04:439:5532:48
10:33
+0:34
20M
20.00 mi14:38:313:18:559:5714:12
10:27
-0:06
21M
21.00 mi14:49:343:29:5810:0011:03
11:03
+0:36
35K
21.75 mi14:57:183:37:4210:017:44
10:20
-0:43
23M
23.00 mi15:11:003:51:2410:0413:42
10:57
+0:37
24M
24.00 mi15:21:184:01:4210:0410:18
10:18
-0:39
40K
24.85 mi15:30:264:10:5010:069:08
10:41
+0:23
25.2M
25.20 mi15:34:174:14:4110:063:51
11:10
+0:29
Finish
26.22 mi15:44:104:24:3410:069:53
9:42
-1:28

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

9:29 /mi

Average Pace

10:06 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:50

68% of race

Time at Steady Pace

1:24:44

32% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:05 /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 mi11:50:2830:529:5630:52
9:56
#25433
10K
6.21 mi12:21:151:01:399:5530:47
9:54
#25238
15K
9.32 mi12:51:011:31:259:4829:46
9:35
#24841
20K
12.43 mi13:20:502:01:149:4529:49
9:36
#24429
Half
13.11 mi13:27:182:07:429:446:28
9:29
#24376
25K
15.53 mi13:51:312:31:559:4724:13
9:59
#24179
30K
18.64 mi14:24:193:04:439:5532:48
10:33
#23989
20M
20.00 mi14:38:313:18:559:5714:12
10:27
#23865
21M
21.00 mi14:49:343:29:5810:0011:03
11:03
#23726
35K
21.75 mi14:57:183:37:4210:017:44
10:20
#23693
23M
23.00 mi15:11:003:51:2410:0413:42
10:57
#23642
24M
24.00 mi15:21:184:01:4210:0410:18
10:18
#23584
40K
24.85 mi15:30:264:10:5010:069:08
10:41
#23545
25.2M
25.20 mi15:34:174:14:4110:063:51
11:10
#23504
Finish
26.22 mi15:44:104:24:3410:069:53
9:42
#23452
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25433149271492723951(Top 84%)14252(Top 88%)14252(Top 253%)
10K6.21 mi3.10 mi25238+19514817+11014817+11025107(Top 88%)14751(Top 92%)14751(Top 261%)
15K9.32 mi3.11 mi24841+39714643+17414643+17423951(Top 84%)14252(Top 88%)14252(Top 253%)
20K12.43 mi3.11 mi24429+41214430+21314430+21323190(Top 82%)13890(Top 86%)13890(Top 246%)
Half13.11 mi0.68 mi24376+5314406+2414406+2423495(Top 83%)14004(Top 87%)14004(Top 248%)
25K15.53 mi2.42 mi24179+19714310+9614310+9623226(Top 82%)13848(Top 86%)13848(Top 245%)
30K18.64 mi3.11 mi23989+19014207+10314207+10323057(Top 81%)13645(Top 85%)13645(Top 242%)
20M20.00 mi1.36 mi23865+12414128+7914128+7922283(Top 78%)13179(Top 82%)13179(Top 234%)
21M21.00 mi1.00 mi23726+13914043+8514043+8521536(Top 76%)12754(Top 79%)12754(Top 226%)
35K21.75 mi0.75 mi23693+3314021+2214021+2222788(Top 80%)13299(Top 83%)13299(Top 236%)
23M23.00 mi1.25 mi23642+5113982+3913982+3923084(Top 81%)13380(Top 83%)13380(Top 237%)
24M24.00 mi1.00 mi23584+5813927+5513927+5522239(Top 78%)12926(Top 80%)12926(Top 229%)
40K24.85 mi0.85 mi23545+3913897+3013897+3022387(Top 79%)12930(Top 80%)12930(Top 229%)
25.2M25.20 mi0.35 mi23504+4113866+3113866+3121116(Top 74%)12357(Top 77%)12357(Top 219%)
Finish26.22 mi1.02 mi23452+5213827+3913827+3921913(Top 77%)12746(Top 79%)12746(Top 226%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23951

Males

14252

M18-39

14252

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

25107

Males

14751

M18-39

14751

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23951

Males

14252

M18-39

14252

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23190

Males

13890

M18-39

13890

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

23495

Males

14004

M18-39

14004

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23226

Males

13848

M18-39

13848

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

23057

Males

13645

M18-39

13645

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

22283

Males

13179

M18-39

13179

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

21536

Males

12754

M18-39

12754

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22788

Males

13299

M18-39

13299

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

23084

Males

13380

M18-39

13380

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22239

Males

12926

M18-39

12926

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22387

Males

12930

M18-39

12930

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21116

Males

12357

M18-39

12357

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

21913

Males

12746

M18-39

12746

Passing Analysis

Category:
Athletes Passed
2361
Passed By
380
Net Change
+1981
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25433
5K → 10K28590+195#25433#25238
10K → 15K40811+397#25238#24841
15K → 20K4197+412#24841#24429
20K → Half585+53#24429#24376
Half → 25K22629+197#24376#24179
25K → 30K26070+190#24179#23989
30K → 20M14117+124#23989#23865
20M → 21M16223+139#23865#23726
21M → 35K5421+33#23726#23693
35K → 23M8130+51#23693#23642
23M → 24M8325+58#23642#23584
24M → 40K5920+39#23584#23545
40K → 25.2M5110+41#23545#23504
25.2M → Finish7422+52#23504#23452
TOTALS2361380+1981
📊

Passing Visuals

Category:
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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