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BOSTON MARATHON 2025

Cameron Breen

Bib: 16566•M

NY

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
27:13
Rank: #21301
Start → 5K
8:46/mi
27:13 split
10K· 6.21 mi
54:46
Rank: #21517 (-216)
5K → 10K
8:52/mi
27:33 split
15K· 9.32 mi
1:22:09
Rank: #21340 (+177)
10K → 15K
8:49/mi
27:23 split
20K· 12.43 mi
1:49:05
Rank: #20809 (+531)
15K → 20K
8:40/mi
26:56 split
Half· 13.11 mi
1:54:49
Rank: #20713 (+96)
20K → Half
8:24/mi
5:44 split
25K· 15.53 mi
2:16:14
Rank: #20464 (+249)
Half → 25K
8:50/mi
21:25 split
30K· 18.64 mi
2:44:30
Rank: #20012 (+452)
25K → 30K
9:06/mi
28:16 split
20M
2:57:56
Rank: #20069 (-57)
30K → 20M
9:53/mi
13:26 split
21M
3:08:41
Rank: #20118 (-49)
20M → 21M
10:45/mi
10:45 split
35K· 21.75 mi
3:15:37
Rank: #20089 (+29)
21M → 35K
9:16/mi
6:56 split
23M
3:28:25
Rank: #20189 (-100)
35K → 23M
10:13/mi
12:48 split
24M
3:37:58
Rank: #20203 (-14)
23M → 24M
9:33/mi
9:33 split
40K· 24.85 mi
3:46:57
Rank: #20323 (-120)
24M → 40K
10:30/mi
8:59 split
25.2M
3:50:37
Rank: #20325 (-2)
40K → 25.2M
10:38/mi
3:40 split
Finish· 26.22 mi
4:00:46
Rank: #20467 (-142)
25.2M → Finish
9:58/mi
10:09 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:49
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time2:05:57
Pace9:36 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:4827:138:4627:13
8:46
-
10K
6.21 mi11:28:2154:468:4927:33
8:52
+0:06
15K
9.32 mi11:55:441:22:098:4927:23
8:49
-0:03
20K
12.43 mi12:22:401:49:058:4726:56
8:40
-0:09
Half
13.11 mi12:28:241:54:498:455:44
8:24
-0:16
25K
15.53 mi12:49:492:16:148:4621:25
8:50
+0:26
30K
18.64 mi13:18:052:44:308:4928:16
9:06
+0:16
20M
20.00 mi13:31:312:57:568:5413:26
9:53
+0:47
21M
21.00 mi13:42:163:08:418:5910:45
10:45
+0:52
35K
21.75 mi13:49:123:15:379:006:56
9:16
-1:29
23M
23.00 mi14:02:003:28:259:0412:48
10:13
+0:57
24M
24.00 mi14:11:333:37:589:059:33
9:33
-0:40
40K
24.85 mi14:20:323:46:579:088:59
10:30
+0:57
25.2M
25.20 mi14:24:123:50:379:093:40
10:38
+0:08
Finish
26.22 mi14:34:214:00:469:1110:09
9:58
-0:40

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

8:24 /mi

Average Pace

9:11 /mi

Slowest Pace

10:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:14

57% of race

Time at Steady Pace

44:45

19% of race

Time at Slower Pace

59:47

25% of race

Average Pace: 9:11 /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 mi11:00:4827:138:4627:13
8:46
#21301
10K
6.21 mi11:28:2154:468:4927:33
8:52
#21517
15K
9.32 mi11:55:441:22:098:4927:23
8:49
#21340
20K
12.43 mi12:22:401:49:058:4726:56
8:40
#20809
Half
13.11 mi12:28:241:54:498:455:44
8:24
#20713
25K
15.53 mi12:49:492:16:148:4621:25
8:50
#20464
30K
18.64 mi13:18:052:44:308:4928:16
9:06
#20012
20M
20.00 mi13:31:312:57:568:5413:26
9:53
#20069
21M
21.00 mi13:42:163:08:418:5910:45
10:45
#20118
35K
21.75 mi13:49:123:15:379:006:56
9:16
#20089
23M
23.00 mi14:02:003:28:259:0412:48
10:13
#20189
24M
24.00 mi14:11:333:37:589:059:33
9:33
#20203
40K
24.85 mi14:20:323:46:579:088:59
10:30
#20323
25.2M
25.20 mi14:24:123:50:379:093:40
10:38
#20325
Finish
26.22 mi14:34:214:00:469:1110:09
9:58
#20467
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21301129981299821082(Top 74%)12978(Top 81%)12978(Top 230%)
10K6.21 mi3.10 mi21517-21613107-10913107-10921724(Top 76%)13226(Top 82%)13226(Top 234%)
15K9.32 mi3.11 mi21340+17713065+4213065+4221082(Top 74%)12978(Top 81%)12978(Top 230%)
20K12.43 mi3.11 mi20809+53112820+24512820+24519248(Top 68%)12146(Top 75%)12146(Top 215%)
Half13.11 mi0.68 mi20713+9612775+4512775+4518607(Top 66%)11880(Top 74%)11880(Top 211%)
25K15.53 mi2.42 mi20464+24912655+12012655+12019099(Top 67%)12022(Top 75%)12022(Top 213%)
30K18.64 mi3.11 mi20012+45212424+23112424+23118175(Top 64%)11450(Top 71%)11450(Top 203%)
20M20.00 mi1.36 mi20069-5712427-312427-320560(Top 72%)12390(Top 77%)12390(Top 220%)
21M21.00 mi1.00 mi20118-4912414+1312414+1320708(Top 73%)12356(Top 77%)12356(Top 219%)
35K21.75 mi0.75 mi20089+2912389+2512389+2519441(Top 68%)11708(Top 73%)11708(Top 208%)
23M23.00 mi1.25 mi20189-10012416-2712416-2721189(Top 75%)12484(Top 78%)12484(Top 221%)
24M24.00 mi1.00 mi20203-1412395+2112395+2119795(Top 70%)11770(Top 73%)11770(Top 209%)
40K24.85 mi0.85 mi20323-12012440-4512440-4521941(Top 77%)12718(Top 79%)12718(Top 225%)
25.2M25.20 mi0.35 mi20325-212431+912431+919468(Top 69%)11542(Top 72%)11542(Top 205%)
Finish26.22 mi1.02 mi20467-14212487-5612487-5622795(Top 80%)13168(Top 82%)13168(Top 233%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

21082

Males

12978

M18-39

12978

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

21724

Males

13226

M18-39

13226

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

21082

Males

12978

M18-39

12978

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

19248

Males

12146

M18-39

12146

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18607

Males

11880

M18-39

11880

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

19099

Males

12022

M18-39

12022

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

18175

Males

11450

M18-39

11450

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20560

Males

12390

M18-39

12390

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

20708

Males

12356

M18-39

12356

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19441

Males

11708

M18-39

11708

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21189

Males

12484

M18-39

12484

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

19795

Males

11770

M18-39

11770

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21941

Males

12718

M18-39

12718

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19468

Males

11542

M18-39

11542

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22795

Males

13168

M18-39

13168

Passing Analysis

Category:
Athletes Passed
2338
Passed By
1504
Net Change
+834
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21301
5K → 10K186402-216#21301#21517
10K → 15K308131+177#21517#21340
15K → 20K54312+531#21340#20809
20K → Half971+96#20809#20713
Half → 25K28839+249#20713#20464
25K → 30K49442+452#20464#20012
30K → 20M87144-57#20012#20069
20M → 21M79128-49#20069#20118
21M → 35K7041+29#20118#20089
35K → 23M55155-100#20089#20189
23M → 24M4761-14#20189#20203
24M → 40K35155-120#20203#20323
40K → 25.2M2729-2#20323#20325
25.2M → Finish22164-142#20325#20467
TOTALS23381504+834
📊

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