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BOSTON MARATHON 2025

Kerynne O'Malley

Bib: 19008•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:25
Rank: #25853
Start → 5K
31:25 | 10:07/mi
10K· 6.21 mi
1:02:28
Rank: #25549 (+304)
5K → 10K
31:03 | 10:00/mi
15K· 9.32 mi
1:33:19
Rank: #25313 (+236)
10K → 15K
30:51 | 9:56/mi
20K· 12.43 mi
2:04:14
Rank: #25013 (+300)
15K → 20K
30:55 | 9:57/mi
Half· 13.11 mi
2:10:54
Rank: #24963 (+50)
20K → Half
6:40 | 9:46/mi
25K· 15.53 mi
2:35:25
Rank: #24722 (+241)
Half → 25K
24:31 | 10:07/mi
30K· 18.64 mi
3:07:20
Rank: #24345 (+377)
25K → 30K
31:55 | 10:16/mi
20M
3:21:15
Rank: #24150 (+195)
30K → 20M
13:55 | 10:14/mi
21M
3:31:45
Rank: #23945 (+205)
20M → 21M
10:30 | 10:30/mi
35K· 21.75 mi
3:39:14
Rank: #23867 (+78)
21M → 35K
7:29 | 10:00/mi
23M
3:51:55
Rank: #23707 (+160)
35K → 23M
12:41 | 10:08/mi
24M
4:02:00
Rank: #23618 (+89)
23M → 24M
10:05 | 10:05/mi
40K· 24.85 mi
4:10:53
Rank: #23550 (+68)
24M → 40K
8:53 | 10:23/mi
25.2M
4:14:40
Rank: #23503 (+47)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
4:23:44
Rank: #23357 (+146)
25.2M → Finish
9:04 | 8:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:54
Pace9:59 /mi
2nd Half
Distance13.11 mi
Time2:12:50
Pace10:08 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0031:2510:0731:25
10:07
-
10K
6.21 mi12:22:031:02:2810:0331:03
10:00
-0:07
15K
9.32 mi12:52:541:33:1910:0130:51
9:56
-0:04
20K
12.43 mi13:23:492:04:1410:0030:55
9:57
+0:01
Half
13.11 mi13:30:292:10:549:596:40
9:46
-0:11
25K
15.53 mi13:55:002:35:2510:0024:31
10:07
+0:21
30K
18.64 mi14:26:553:07:2010:0331:55
10:16
+0:09
20M
20.00 mi14:40:503:21:1510:0413:55
10:14
-0:02
21M
21.00 mi14:51:203:31:4510:0510:30
10:30
+0:16
35K
21.75 mi14:58:493:39:1410:057:29
10:00
-0:30
23M
23.00 mi15:11:303:51:5510:0512:41
10:08
+0:08
24M
24.00 mi15:21:354:02:0010:0510:05
10:05
-0:03
40K
24.85 mi15:30:284:10:5310:068:53
10:23
+0:18
25.2M
25.20 mi15:34:154:14:4010:063:47
10:58
+0:35
Finish
26.22 mi15:43:194:23:4410:049:04
8:54
-2:04

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

8:54 /mi

Average Pace

10:04 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:44

6% of race

Time at Steady Pace

3:44:50

85% of race

Time at Slower Pace

23:10

9% of race

Average Pace: 10:04 /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 mi11:51:0031:2510:0731:25
10:07
#25853
10K
6.21 mi12:22:031:02:2810:0331:03
10:00
#25549
15K
9.32 mi12:52:541:33:1910:0130:51
9:56
#25313
20K
12.43 mi13:23:492:04:1410:0030:55
9:57
#25013
Half
13.11 mi13:30:292:10:549:596:40
9:46
#24963
25K
15.53 mi13:55:002:35:2510:0024:31
10:07
#24722
30K
18.64 mi14:26:553:07:2010:0331:55
10:16
#24345
20M
20.00 mi14:40:503:21:1510:0413:55
10:14
#24150
21M
21.00 mi14:51:203:31:4510:0510:30
10:30
#23945
35K
21.75 mi14:58:493:39:1410:057:29
10:00
#23867
23M
23.00 mi15:11:303:51:5510:0512:41
10:08
#23707
24M
24.00 mi15:21:354:02:0010:0510:05
10:05
#23618
40K
24.85 mi15:30:284:10:5310:068:53
10:23
#23550
25.2M
25.20 mi15:34:154:14:4010:063:47
10:58
#23503
Finish
26.22 mi15:43:194:23:4410:049:04
8:54
#23357
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25853106751067524860(Top 88%)10144(Top 83%)10144(Top 590%)
10K6.21 mi3.10 mi25549+30410526+14910526+14925311(Top 89%)10406(Top 85%)10406(Top 606%)
15K9.32 mi3.11 mi25313+23610393+13310393+13324860(Top 88%)10144(Top 83%)10144(Top 590%)
20K12.43 mi3.11 mi25013+30010237+15610237+15624131(Top 85%)9785(Top 80%)9785(Top 570%)
Half13.11 mi0.68 mi24963+5010219+1810219+1824320(Top 86%)9882(Top 81%)9882(Top 575%)
25K15.53 mi2.42 mi24722+24110102+11710102+11723536(Top 83%)9499(Top 78%)9499(Top 553%)
30K18.64 mi3.11 mi24345+3779916+1869916+18622378(Top 79%)8987(Top 73%)8987(Top 523%)
20M20.00 mi1.36 mi24150+1959838+789838+7821704(Top 76%)8740(Top 71%)8740(Top 509%)
21M21.00 mi1.00 mi23945+2059737+1019737+10120040(Top 71%)7937(Top 65%)7937(Top 462%)
35K21.75 mi0.75 mi23867+789708+299708+2921925(Top 77%)9011(Top 74%)9011(Top 525%)
23M23.00 mi1.25 mi23707+1609640+689640+6820916(Top 74%)8513(Top 70%)8513(Top 496%)
24M24.00 mi1.00 mi23618+899608+329608+3221614(Top 76%)8923(Top 73%)8923(Top 519%)
40K24.85 mi0.85 mi23550+689589+199589+1921635(Top 76%)9009(Top 74%)9009(Top 524%)
25.2M25.20 mi0.35 mi23503+479576+139576+1320606(Top 73%)8484(Top 69%)8484(Top 494%)
Finish26.22 mi1.02 mi23357+1469504+729504+7218557(Top 65%)7371(Top 60%)7371(Top 429%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

24860

Females

10144

F40-44

10144

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

25311

Females

10406

F40-44

10406

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

24860

Females

10144

F40-44

10144

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

24131

Females

9785

F40-44

9785

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

24320

Females

9882

F40-44

9882

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

23536

Females

9499

F40-44

9499

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22378

Females

8987

F40-44

8987

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21704

Females

8740

F40-44

8740

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

20040

Females

7937

F40-44

7937

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21925

Females

9011

F40-44

9011

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

20916

Females

8513

F40-44

8513

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21614

Females

8923

F40-44

8923

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21635

Females

9009

F40-44

9009

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20606

Females

8484

F40-44

8484

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18557

Females

7371

F40-44

7371

Passing Analysis

Category:
Athletes Passed
2699
Passed By
203
Net Change
+2496
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25853
5K → 10K36864+304#25853#25549
10K → 15K27236+236#25549#25313
15K → 20K31717+300#25313#25013
20K → Half599+50#25013#24963
Half → 25K25312+241#24963#24722
25K → 30K3836+377#24722#24345
30K → 20M2016+195#24345#24150
20M → 21M2072+205#24150#23945
21M → 35K8810+78#23945#23867
35K → 23M1688+160#23867#23707
23M → 24M10011+89#23707#23618
24M → 40K8214+68#23618#23550
40K → 25.2M536+47#23550#23503
25.2M → Finish1482+146#23503#23357
TOTALS2699203+2496
📊

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