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BOSTON MARATHON 2025

Kerianne Barry

Bib: 29508•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:58
Rank: #24675
Start → 5K
9:39/mi
29:58 split
10K· 6.21 mi
59:59
Rank: #24620 (+55)
5K → 10K
9:40/mi
30:01 split
15K· 9.32 mi
1:29:42
Rank: #24376 (+244)
10K → 15K
9:34/mi
29:43 split
20K· 12.43 mi
1:59:56
Rank: #24165 (+211)
15K → 20K
9:44/mi
30:14 split
Half· 13.11 mi
2:06:33
Rank: #24169 (-4)
20K → Half
9:42/mi
6:37 split
25K· 15.53 mi
2:30:38
Rank: #23969 (+200)
Half → 25K
9:56/mi
24:05 split
30K· 18.64 mi
3:02:45
Rank: #23684 (+285)
25K → 30K
10:20/mi
32:07 split
20M
3:16:50
Rank: #23559 (+125)
30K → 20M
10:22/mi
14:05 split
21M
3:28:02
Rank: #23460 (+99)
20M → 21M
11:12/mi
11:12 split
35K· 21.75 mi
3:35:43
Rank: #23398 (+62)
21M → 35K
10:16/mi
7:41 split
23M
3:48:57
Rank: #23349 (+49)
35K → 23M
10:34/mi
13:14 split
24M
3:59:20
Rank: #23301 (+48)
23M → 24M
10:23/mi
10:23 split
40K· 24.85 mi
4:08:17
Rank: #23233 (+68)
24M → 40K
10:28/mi
8:57 split
25.2M
4:12:15
Rank: #23214 (+19)
40K → 25.2M
11:30/mi
3:58 split
Finish· 26.22 mi
4:22:34
Rank: #23218 (-4)
25.2M → Finish
10:07/mi
10:19 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:33
Pace9:39 /mi
2nd Half
Distance13.11 mi
Time2:16:01
Pace10:23 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5229:589:3929:58
9:39
-
10K
6.21 mi12:18:5359:599:3930:01
9:40
+0:01
15K
9.32 mi12:48:361:29:429:3729:43
9:34
-0:06
20K
12.43 mi13:18:501:59:569:3930:14
9:44
+0:10
Half
13.11 mi13:25:272:06:339:396:37
9:42
-0:02
25K
15.53 mi13:49:322:30:389:4224:05
9:56
+0:14
30K
18.64 mi14:21:393:02:459:4832:07
10:20
+0:24
20M
20.00 mi14:35:443:16:509:5014:05
10:22
+0:02
21M
21.00 mi14:46:563:28:029:5411:12
11:12
+0:50
35K
21.75 mi14:54:373:35:439:557:41
10:16
-0:56
23M
23.00 mi15:07:513:48:579:5713:14
10:34
+0:18
24M
24.00 mi15:18:143:59:209:5810:23
10:23
-0:11
40K
24.85 mi15:27:114:08:179:598:57
10:28
+0:05
25.2M
25.20 mi15:31:094:12:1510:013:58
11:30
+1:02
Finish
26.22 mi15:41:284:22:3410:0110:19
10:07
-1:23

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

9:34 /mi

Average Pace

10:01 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:38

57% of race

Time at Steady Pace

1:23:32

32% of race

Time at Slower Pace

28:24

11% of race

Average Pace: 10:01 /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 mi11:48:5229:589:3929:58
9:39
#24675
10K
6.21 mi12:18:5359:599:3930:01
9:40
#24620
15K
9.32 mi12:48:361:29:429:3729:43
9:34
#24376
20K
12.43 mi13:18:501:59:569:3930:14
9:44
#24165
Half
13.11 mi13:25:272:06:339:396:37
9:42
#24169
25K
15.53 mi13:49:322:30:389:4224:05
9:56
#23969
30K
18.64 mi14:21:393:02:459:4832:07
10:20
#23684
20M
20.00 mi14:35:443:16:509:5014:05
10:22
#23559
21M
21.00 mi14:46:563:28:029:5411:12
11:12
#23460
35K
21.75 mi14:54:373:35:439:557:41
10:16
#23398
23M
23.00 mi15:07:513:48:579:5713:14
10:34
#23349
24M
24.00 mi15:18:143:59:209:5810:23
10:23
#23301
40K
24.85 mi15:27:114:08:179:598:57
10:28
#23233
25.2M
25.20 mi15:31:094:12:1510:013:58
11:30
#23214
Finish
26.22 mi15:41:284:22:3410:0110:19
10:07
#23218
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi24675100471004723917(Top 84%)9616(Top 79%)9616(Top 530%)
10K6.21 mi3.10 mi24620+5510018+2910018+2924511(Top 86%)9968(Top 82%)9968(Top 550%)
15K9.32 mi3.11 mi24376+2449891+1279891+12723917(Top 84%)9616(Top 79%)9616(Top 530%)
20K12.43 mi3.11 mi24165+2119783+1089783+10823585(Top 83%)9471(Top 77%)9471(Top 522%)
Half13.11 mi0.68 mi24169-49788-59788-524109(Top 85%)9760(Top 80%)9760(Top 538%)
25K15.53 mi2.42 mi23969+2009678+1109678+11023084(Top 81%)9243(Top 76%)9243(Top 510%)
30K18.64 mi3.11 mi23684+2859562+1169562+11622567(Top 79%)9086(Top 74%)9086(Top 501%)
20M20.00 mi1.36 mi23559+1259510+529510+5222066(Top 78%)8929(Top 73%)8929(Top 492%)
21M21.00 mi1.00 mi23460+999479+319479+3121918(Top 77%)8927(Top 73%)8927(Top 492%)
35K21.75 mi0.75 mi23398+629457+229457+2222629(Top 80%)9352(Top 76%)9352(Top 516%)
23M23.00 mi1.25 mi23349+499446+119446+1122194(Top 78%)9169(Top 75%)9169(Top 506%)
24M24.00 mi1.00 mi23301+489446944622497(Top 79%)9391(Top 77%)9391(Top 518%)
40K24.85 mi0.85 mi23233+689430+169430+1621856(Top 77%)9129(Top 75%)9129(Top 504%)
25.2M25.20 mi0.35 mi23214+199422+89422+822100(Top 78%)9210(Top 75%)9210(Top 508%)
Finish26.22 mi1.02 mi23218-49431-99431-923313(Top 82%)9827(Top 80%)9827(Top 542%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

23917

Females

9616

F45-49

9616

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24511

Females

9968

F45-49

9968

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

23917

Females

9616

F45-49

9616

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

23585

Females

9471

F45-49

9471

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

24109

Females

9760

F45-49

9760

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

23084

Females

9243

F45-49

9243

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22567

Females

9086

F45-49

9086

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

22066

Females

8929

F45-49

8929

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21918

Females

8927

F45-49

8927

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22629

Females

9352

F45-49

9352

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

22194

Females

9169

F45-49

9169

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

22497

Females

9391

F45-49

9391

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21856

Females

9129

F45-49

9129

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22100

Females

9210

F45-49

9210

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23313

Females

9827

F45-49

9827

Passing Analysis

Category:
Athletes Passed
1977
Passed By
520
Net Change
+1457
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24675
5K → 10K226171+55#24675#24620
10K → 15K28440+244#24620#24376
15K → 20K25140+211#24376#24165
20K → Half2428-4#24165#24169
Half → 25K23535+200#24169#23969
25K → 30K31328+285#23969#23684
30K → 20M14318+125#23684#23559
20M → 21M12526+99#23559#23460
21M → 35K8119+62#23460#23398
35K → 23M7526+49#23398#23349
23M → 24M7830+48#23349#23301
24M → 40K8315+68#23301#23233
40K → 25.2M278+19#23233#23214
25.2M → Finish3236-4#23214#23218
TOTALS1977520+1457
📊

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