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BOSTON MARATHON 2025

Katy Kelly

Bib: 23141•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 43%
Division (F55-59)
#0 / 994
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:19
Rank: #19725
Start → 5K
26:19 | 8:28/mi
10K· 6.21 mi
52:41
Rank: #19709 (+16)
5K → 10K
26:22 | 8:29/mi
15K· 9.32 mi
1:18:58
Rank: #19496 (+213)
10K → 15K
26:17 | 8:28/mi
20K· 12.43 mi
1:45:42
Rank: #19303 (+193)
15K → 20K
26:44 | 8:36/mi
Half· 13.11 mi
1:51:27
Rank: #19265 (+38)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:12:22
Rank: #19040 (+225)
Half → 25K
20:55 | 8:38/mi
30K· 18.64 mi
2:40:16
Rank: #18739 (+301)
25K → 30K
27:54 | 8:59/mi
20M
2:52:26
Rank: #18555 (+184)
30K → 20M
12:10 | 8:57/mi
21M
3:01:51
Rank: #18362 (+193)
20M → 21M
9:25 | 9:25/mi
35K· 21.75 mi
3:08:27
Rank: #18322 (+40)
21M → 35K
6:36 | 8:49/mi
23M
3:19:43
Rank: #18190 (+132)
35K → 23M
11:16 | 9:00/mi
24M
3:28:42
Rank: #18128 (+62)
23M → 24M
8:59 | 8:59/mi
40K· 24.85 mi
3:36:05
Rank: #17971 (+157)
24M → 40K
7:23 | 8:38/mi
25.2M
3:39:26
Rank: #17936 (+35)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:47:55
Rank: #17813 (+123)
25.2M → Finish
8:29 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:27
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time1:56:28
Pace8:53 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:1026:198:2826:19
8:28
-
10K
6.21 mi11:48:3252:418:2926:22
8:29
+0:01
15K
9.32 mi12:14:491:18:588:2826:17
8:28
-0:01
20K
12.43 mi12:41:331:45:428:3026:44
8:36
+0:08
Half
13.11 mi12:47:181:51:278:305:45
8:26
-0:10
25K
15.53 mi13:08:132:12:228:3120:55
8:38
+0:12
30K
18.64 mi13:36:072:40:168:3627:54
8:59
+0:21
20M
20.00 mi13:48:172:52:268:3712:10
8:57
-0:02
21M
21.00 mi13:57:423:01:518:409:25
9:25
+0:28
35K
21.75 mi14:04:183:08:278:406:36
8:49
-0:36
23M
23.00 mi14:15:343:19:438:4111:16
9:00
+0:11
24M
24.00 mi14:24:333:28:428:428:59
8:59
-0:01
40K
24.85 mi14:31:563:36:058:427:23
8:38
-0:21
25.2M
25.20 mi14:35:173:39:268:423:21
9:43
+1:05
Finish
26.22 mi14:43:463:47:558:428:29
8:19
-1:24

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

8:19 /mi

Average Pace

8:42 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:35:09

94% of race

Time at Steady Pace

12:46

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:42 /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 mi11:22:1026:198:2826:19
8:28
#19725
10K
6.21 mi11:48:3252:418:2926:22
8:29
#19709
15K
9.32 mi12:14:491:18:588:2826:17
8:28
#19496
20K
12.43 mi12:41:331:45:428:3026:44
8:36
#19303
Half
13.11 mi12:47:181:51:278:305:45
8:26
#19265
25K
15.53 mi13:08:132:12:228:3120:55
8:38
#19040
30K
18.64 mi13:36:072:40:168:3627:54
8:59
#18739
20M
20.00 mi13:48:172:52:268:3712:10
8:57
#18555
21M
21.00 mi13:57:423:01:518:409:25
9:25
#18362
35K
21.75 mi14:04:183:08:278:406:36
8:49
#18322
23M
23.00 mi14:15:343:19:438:4111:16
9:00
#18190
24M
24.00 mi14:24:333:28:428:428:59
8:59
#18128
40K
24.85 mi14:31:563:36:058:427:23
8:38
#17971
25.2M
25.20 mi14:35:173:39:268:423:21
9:43
#17936
Finish
26.22 mi14:43:463:47:558:428:29
8:19
#17813
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi197257343734319100(Top 67%)6956(Top 57%)6956(Top 700%)
10K6.21 mi3.10 mi19709+167303+407303+4019724(Top 69%)7316(Top 60%)7316(Top 736%)
15K9.32 mi3.11 mi19496+2137176+1277176+12719100(Top 67%)6956(Top 57%)6956(Top 700%)
20K12.43 mi3.11 mi19303+1937082+947082+9418883(Top 66%)6841(Top 56%)6841(Top 688%)
Half13.11 mi0.68 mi19265+387062+207062+2018770(Top 66%)6764(Top 55%)6764(Top 680%)
25K15.53 mi2.42 mi19040+2256942+1206942+12017975(Top 63%)6416(Top 52%)6416(Top 645%)
30K18.64 mi3.11 mi18739+3016793+1496793+14917591(Top 62%)6355(Top 52%)6355(Top 639%)
20M20.00 mi1.36 mi18555+1846716+776716+7716571(Top 58%)5909(Top 48%)5909(Top 594%)
21M21.00 mi1.00 mi18362+1936642+746642+7415734(Top 55%)5574(Top 46%)5574(Top 561%)
35K21.75 mi0.75 mi18322+406638+46638+417395(Top 61%)6582(Top 54%)6582(Top 662%)
23M23.00 mi1.25 mi18190+1326595+436595+4316271(Top 57%)6045(Top 49%)6045(Top 608%)
24M24.00 mi1.00 mi18128+626588+76588+717300(Top 61%)6648(Top 54%)6648(Top 669%)
40K24.85 mi0.85 mi17971+1576531+576531+5714323(Top 50%)5152(Top 42%)5152(Top 518%)
25.2M25.20 mi0.35 mi17936+356522+96522+915767(Top 56%)5978(Top 49%)5978(Top 601%)
Finish26.22 mi1.02 mi17813+1236474+486474+4815117(Top 53%)5554(Top 45%)5554(Top 559%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

19100

Females

6956

F55-59

6956

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

19724

Females

7316

F55-59

7316

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

19100

Females

6956

F55-59

6956

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18883

Females

6841

F55-59

6841

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18770

Females

6764

F55-59

6764

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17975

Females

6416

F55-59

6416

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17591

Females

6355

F55-59

6355

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16571

Females

5909

F55-59

5909

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

15734

Females

5574

F55-59

5574

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17395

Females

6582

F55-59

6582

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16271

Females

6045

F55-59

6045

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17300

Females

6648

F55-59

6648

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14323

Females

5152

F55-59

5152

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15767

Females

5978

F55-59

5978

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

15117

Females

5554

F55-59

5554

Passing Analysis

Category:
Athletes Passed
2725
Passed By
813
Net Change
+1912
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19725
5K → 10K269253+16#19725#19709
10K → 15K30996+213#19709#19496
15K → 20K294101+193#19496#19303
20K → Half5618+38#19303#19265
Half → 25K27954+225#19265#19040
25K → 30K39594+301#19040#18739
30K → 20M20622+184#18739#18555
20M → 21M21118+193#18555#18362
21M → 35K7838+40#18362#18322
35K → 23M17038+132#18322#18190
23M → 24M10240+62#18190#18128
24M → 40K1658+157#18128#17971
40K → 25.2M4914+35#17971#17936
25.2M → Finish14219+123#17936#17813
TOTALS2725813+1912
📊

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