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BOSTON MARATHON 2025

Kelly Morrissey

Bib: 25981•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:55
Rank: #24629
Start → 5K
29:55 | 9:38/mi
10K· 6.21 mi
1:00:24
Rank: #24782 (-153)
5K → 10K
30:29 | 9:49/mi
15K· 9.32 mi
1:29:04
Rank: #24187 (+595)
10K → 15K
28:40 | 9:14/mi
20K· 12.43 mi
1:58:07
Rank: #23755 (+432)
15K → 20K
29:03 | 9:21/mi
Half· 13.11 mi
2:04:22
Rank: #23708 (+47)
20K → Half
6:15 | 9:10/mi
25K· 15.53 mi
2:27:50
Rank: #23463 (+245)
Half → 25K
23:28 | 9:41/mi
30K· 18.64 mi
2:59:30
Rank: #23184 (+279)
25K → 30K
31:40 | 10:12/mi
20M
3:12:51
Rank: #22974 (+210)
30K → 20M
13:21 | 9:49/mi
21M
3:23:03
Rank: #22783 (+191)
20M → 21M
10:12 | 10:12/mi
35K· 21.75 mi
3:30:36
Rank: #22744 (+39)
21M → 35K
7:33 | 10:06/mi
23M
3:43:20
Rank: #22629 (+115)
35K → 23M
12:44 | 10:10/mi
24M
3:53:34
Rank: #22581 (+48)
23M → 24M
10:14 | 10:14/mi
40K· 24.85 mi
4:02:21
Rank: #22531 (+50)
24M → 40K
8:47 | 10:16/mi
25.2M
4:06:05
Rank: #22494 (+37)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:15:14
Rank: #22380 (+114)
25.2M → Finish
9:09 | 8:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:22
Pace9:29 /mi
2nd Half
Distance13.11 mi
Time2:10:52
Pace9:59 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0829:559:3829:55
9:38
-
10K
6.21 mi12:20:371:00:249:4330:29
9:49
+0:11
15K
9.32 mi12:49:171:29:049:3328:40
9:14
-0:35
20K
12.43 mi13:18:201:58:079:3029:03
9:21
+0:07
Half
13.11 mi13:24:352:04:229:296:15
9:10
-0:11
25K
15.53 mi13:48:032:27:509:3123:28
9:41
+0:31
30K
18.64 mi14:19:432:59:309:3831:40
10:12
+0:31
20M
20.00 mi14:33:043:12:519:3913:21
9:49
-0:23
21M
21.00 mi14:43:163:23:039:4010:12
10:12
+0:23
35K
21.75 mi14:50:493:30:369:417:33
10:06
-0:06
23M
23.00 mi15:03:333:43:209:4312:44
10:10
+0:04
24M
24.00 mi15:13:473:53:349:4410:14
10:14
+0:04
40K
24.85 mi15:22:344:02:219:458:47
10:16
+0:02
25.2M
25.20 mi15:26:184:06:059:463:44
10:50
+0:34
Finish
26.22 mi15:35:274:15:149:459:09
8:59
-1:51

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

8:59 /mi

Average Pace

9:45 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:07

29% of race

Time at Steady Pace

1:37:13

38% of race

Time at Slower Pace

1:24:54

33% of race

Average Pace: 9:44 /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 mi11:50:0829:559:3829:55
9:38
#24629
10K
6.21 mi12:20:371:00:249:4330:29
9:49
#24782
15K
9.32 mi12:49:171:29:049:3328:40
9:14
#24187
20K
12.43 mi13:18:201:58:079:3029:03
9:21
#23755
Half
13.11 mi13:24:352:04:229:296:15
9:10
#23708
25K
15.53 mi13:48:032:27:509:3123:28
9:41
#23463
30K
18.64 mi14:19:432:59:309:3831:40
10:12
#23184
20M
20.00 mi14:33:043:12:519:3913:21
9:49
#22974
21M
21.00 mi14:43:163:23:039:4010:12
10:12
#22783
35K
21.75 mi14:50:493:30:369:417:33
10:06
#22744
23M
23.00 mi15:03:333:43:209:4312:44
10:10
#22629
24M
24.00 mi15:13:473:53:349:4410:14
10:14
#22581
40K
24.85 mi15:22:344:02:219:458:47
10:16
#22531
25.2M
25.20 mi15:26:184:06:059:463:44
10:50
#22494
Finish
26.22 mi15:35:274:15:149:459:09
8:59
#22380
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24629100261002622956(Top 81%)9079(Top 74%)9079(Top 166%)
10K6.21 mi3.10 mi24782-15310107-8110107-8124881(Top 88%)10168(Top 83%)10168(Top 186%)
15K9.32 mi3.11 mi24187+5959779+3289779+32822956(Top 81%)9079(Top 74%)9079(Top 166%)
20K12.43 mi3.11 mi23755+4329552+2279552+22722424(Top 79%)8822(Top 72%)8822(Top 161%)
Half13.11 mi0.68 mi23708+479527+259527+2522487(Top 79%)8878(Top 73%)8878(Top 162%)
25K15.53 mi2.42 mi23463+2459393+1349393+13422444(Top 79%)8900(Top 73%)8900(Top 163%)
30K18.64 mi3.11 mi23184+2799287+1069287+10622172(Top 78%)8860(Top 72%)8860(Top 162%)
20M20.00 mi1.36 mi22974+2109197+909197+9020390(Top 72%)8018(Top 66%)8018(Top 147%)
21M21.00 mi1.00 mi22783+1919108+899108+8919050(Top 67%)7362(Top 60%)7362(Top 135%)
35K21.75 mi0.75 mi22744+399098+109098+1022167(Top 78%)9118(Top 75%)9118(Top 167%)
23M23.00 mi1.25 mi22629+1159060+389060+3821042(Top 74%)8578(Top 70%)8578(Top 157%)
24M24.00 mi1.00 mi22581+489065-59065-522049(Top 78%)9158(Top 75%)9158(Top 167%)
40K24.85 mi0.85 mi22531+509047+189047+1821314(Top 75%)8828(Top 72%)8828(Top 161%)
25.2M25.20 mi0.35 mi22494+379035+129035+1220170(Top 71%)8260(Top 68%)8260(Top 151%)
Finish26.22 mi1.02 mi22380+1148988+478988+4718960(Top 67%)7581(Top 62%)7581(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

22956

Females

9079

F18-39

9079

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

24881

Females

10168

F18-39

10168

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

22956

Females

9079

F18-39

9079

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22424

Females

8822

F18-39

8822

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

22487

Females

8878

F18-39

8878

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

22444

Females

8900

F18-39

8900

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

22172

Females

8860

F18-39

8860

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

20390

Females

8018

F18-39

8018

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

19050

Females

7362

F18-39

7362

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

22167

Females

9118

F18-39

9118

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

21042

Females

8578

F18-39

8578

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22049

Females

9158

F18-39

9158

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21314

Females

8828

F18-39

8828

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20170

Females

8260

F18-39

8260

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

18960

Females

7581

F18-39

7581

Passing Analysis

Category:
Athletes Passed
2738
Passed By
489
Net Change
+2249
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24629
5K → 10K144297-153#24629#24782
10K → 15K5983+595#24782#24187
15K → 20K4408+432#24187#23755
20K → Half492+47#23755#23708
Half → 25K26318+245#23708#23463
25K → 30K32647+279#23463#23184
30K → 20M2155+210#23184#22974
20M → 21M1943+191#22974#22783
21M → 35K6627+39#22783#22744
35K → 23M13722+115#22744#22629
23M → 24M8032+48#22629#22581
24M → 40K6717+50#22581#22531
40K → 25.2M403+37#22531#22494
25.2M → Finish1195+114#22494#22380
TOTALS2738489+2249
📊

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