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BOSTON MARATHON 2025

Brendan Carey

Bib: 27860•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
9:48/mi
30:27
↑ 97↓ 3451.5%
10K· 6.21 mi
9:42/mi
1:00:34
↑ 79↓ 1380.4%
15K· 9.32 mi
9:52/mi
1:31:12
↑ 67↓ 78
20K· 12.43 mi
10:47/mi
2:04:41
↑ 106↓ 860.1%
Half· 13.11 mi
11:01/mi
2:12:12
↑ 19↓ 370.5%
25K· 15.53 mi
13:33/mi
2:45:03
↑ 66↓ 880.2%
30K· 18.64 mi
13:39/mi
3:27:27
↑ 181↓ 1480.2%
20M
12:39/mi
3:44:38
↑ 64↓ 500.2%
21M
13:08/mi
3:57:46
↑ 106↓ 241.6%
35K· 21.75 mi
11:52/mi
4:06:39
↑ 17↓ 861.7%
23M
11:20/mi
4:20:50
↑ 23↓ 630.6%
24M
12:32/mi
4:33:22
↓ 821.3%
40K· 24.85 mi
12:31/mi
4:44:04
↓ 200.3%
25.2M
14:13/mi
4:48:58
↑ 13↓ 160.2%
Finish· 26.22 mi
11:39/mi
5:00:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:12
Pace10:05 /mi
2nd Half
Distance13.11 mi
Time2:48:38
Pace12:52 /mi
📊Positive Split: 27.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3130:279:4830:27
9:48
-
10K
6.21 mi12:20:381:00:349:4530:07
9:42
-0:06
15K
9.32 mi12:51:161:31:129:4730:38
9:52
+0:10
20K
12.43 mi13:24:452:04:4110:0233:29
10:47
+0:55
Half
13.11 mi13:32:162:12:1210:057:31
11:01
+0:14
25K
15.53 mi14:05:072:45:0310:3732:51
13:33
+2:32
30K
18.64 mi14:47:313:27:2711:0842:24
13:39
+0:06
20M
20.00 mi15:04:423:44:3811:1417:11
12:39
-1:00
21M
21.00 mi15:17:503:57:4611:1913:08
13:08
+0:29
35K
21.75 mi15:26:434:06:3911:208:53
11:52
-1:16
23M
23.00 mi15:40:544:20:5011:2014:11
11:20
-0:32
24M
24.00 mi15:53:264:33:2211:2312:32
12:32
+1:12
40K
24.85 mi16:04:084:44:0411:2610:42
12:31
-0:01
25.2M
25.20 mi16:09:024:48:5811:284:54
14:13
+1:42
Finish
26.22 mi16:20:545:00:5011:2911:52
11:39
-2:34

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

9:42 /mi

Average Pace

11:29 /mi

Slowest Pace

14:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:12

44% of race

Time at Steady Pace

58:10

19% of race

Time at Slower Pace

1:50:28

37% of race

Average Pace: 11:28 /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 mi11:50:3130:279:4830:27
9:48
#25094
10K
6.21 mi12:20:381:00:349:4530:07
9:42
#24854
15K
9.32 mi12:51:161:31:129:4730:38
9:52
#24785
20K
12.43 mi13:24:452:04:4110:0233:29
10:47
#25091
Half
13.11 mi13:32:162:12:1210:057:31
11:01
#25195
25K
15.53 mi14:05:072:45:0310:3732:51
13:33
#25914
30K
18.64 mi14:47:313:27:2711:0842:24
13:39
#26272
20M
20.00 mi15:04:423:44:3811:1417:11
12:39
#26263
21M
21.00 mi15:17:503:57:4611:1913:08
13:08
#26232
35K
21.75 mi15:26:434:06:3911:208:53
11:52
#26221
23M
23.00 mi15:40:544:20:5011:2014:11
11:20
#26114
24M
24.00 mi15:53:264:33:2211:2312:32
12:32
#26121
40K
24.85 mi16:04:084:44:0411:2610:42
12:31
#26134
25.2M
25.20 mi16:09:024:48:5811:284:54
14:13
#26149
Finish
26.22 mi16:20:545:00:5011:2911:52
11:39
#26175
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25094147751477524684(Top 87%)14577(Top 91%)14577(Top 258%)
10K6.21 mi3.10 mi24854+24014639+13614639+13624593(Top 87%)14517(Top 90%)14517(Top 257%)
15K9.32 mi3.11 mi24785+6914615+2414615+2424684(Top 87%)14577(Top 91%)14577(Top 258%)
20K12.43 mi3.11 mi25091-30614747-13214747-13225678(Top 90%)14982(Top 93%)14982(Top 266%)
Half13.11 mi0.68 mi25195-10414785-3814785-3826526(Top 93%)15321(Top 95%)15321(Top 272%)
25K15.53 mi2.42 mi25914-71915100-31515100-31527645(Top 97%)15776(Top 98%)15776(Top 280%)
30K18.64 mi3.11 mi26272-35815237-13715237-13727246(Top 96%)15549(Top 97%)15549(Top 276%)
20M20.00 mi1.36 mi26263+915213+2415213+2426078(Top 92%)14961(Top 93%)14961(Top 265%)
21M21.00 mi1.00 mi26232+3115186+2715186+2725232(Top 89%)14483(Top 90%)14483(Top 257%)
35K21.75 mi0.75 mi26221+1115177+915177+925678(Top 90%)14676(Top 91%)14676(Top 260%)
23M23.00 mi1.25 mi26114+10715119+5815119+5823947(Top 84%)13815(Top 86%)13815(Top 245%)
24M24.00 mi1.00 mi26121-715109+1015109+1026348(Top 93%)14988(Top 93%)14988(Top 266%)
40K24.85 mi0.85 mi26134-1315108+115108+125677(Top 90%)14629(Top 91%)14629(Top 259%)
25.2M25.20 mi0.35 mi26149-1515111-315111-326499(Top 93%)14999(Top 93%)14999(Top 266%)
Finish26.22 mi1.02 mi26175-2615122-1115122-1126358(Top 93%)14969(Top 93%)14969(Top 265%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24684

Males

14577

M18-39

14577

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24593

Males

14517

M18-39

14517

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24684

Males

14577

M18-39

14577

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

25678

Males

14982

M18-39

14982

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

26526

Males

15321

M18-39

15321

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

27645

Males

15776

M18-39

15776

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

27246

Males

15549

M18-39

15549

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

26078

Males

14961

M18-39

14961

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25232

Males

14483

M18-39

14483

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

25678

Males

14676

M18-39

14676

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23947

Males

13815

M18-39

13815

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

26348

Males

14988

M18-39

14988

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25677

Males

14629

M18-39

14629

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26499

Males

14999

M18-39

14999

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26358

Males

14969

M18-39

14969

Passing Analysis

Category:
Athletes Passed
913
Passed By
1994
Net Change
-1081
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25094
5K → 10K33494+240#25094#24854
10K → 15K16192+69#24854#24785
15K → 20K53359-306#24785#25091
20K → Half4108-104#25091#25195
Half → 25K10729-719#25195#25914
25K → 30K26384-358#25914#26272
30K → 20M5546+9#26272#26263
20M → 21M6534+31#26263#26232
21M → 35K3423+11#26232#26221
35K → 23M1103+107#26221#26114
23M → 24M2734-7#26114#26121
24M → 40K1730-13#26121#26134
40K → 25.2M419-15#26134#26149
25.2M → Finish1339-26#26149#26175
TOTALS9131994-1081
📊

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