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BOSTON MARATHON 2025

Katrina Morrissey

Bib: 5009•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Female)
#0 / 12228
Top 0.8%
Division (F18-39)
#0 / 5469
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:50
Rank: #3018
Start → 5K
19:50 | 6:23/mi
10K· 6.21 mi
39:29
Rank: #2766 (+252)
5K → 10K
19:39 | 6:19/mi
15K· 9.32 mi
59:02
Rank: #2604 (+162)
10K → 15K
19:33 | 6:18/mi
20K· 12.43 mi
1:18:26
Rank: #2314 (+290)
15K → 20K
19:24 | 6:15/mi
Half· 13.11 mi
1:22:39
Rank: #2293 (+21)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:37:43
Rank: #2134 (+159)
Half → 25K
15:04 | 6:13/mi
30K· 18.64 mi
1:57:59
Rank: #2092 (+42)
25K → 30K
20:16 | 6:31/mi
20M
2:06:58
Rank: #2061 (+31)
30K → 20M
8:59 | 6:37/mi
21M
2:14:03
Rank: #2076 (-15)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:18:48
Rank: #2047 (+29)
21M → 35K
4:45 | 6:21/mi
23M
2:27:10
Rank: #2019 (+28)
35K → 23M
8:22 | 6:41/mi
24M
2:33:47
Rank: #1999 (+20)
23M → 24M
6:37 | 6:37/mi
40K· 24.85 mi
2:39:32
Rank: #2000 (-1)
24M → 40K
5:45 | 6:44/mi
25.2M
2:42:05
Rank: #2007 (-7)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:48:56
Rank: #2066 (-59)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:39
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:26:17
Pace6:35 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3219:506:2319:50
6:23
-
10K
6.21 mi10:43:1139:296:2119:39
6:19
-0:04
15K
9.32 mi11:02:4459:026:2019:33
6:18
-0:01
20K
12.43 mi11:22:081:18:266:1919:24
6:15
-0:03
Half
13.11 mi11:26:211:22:396:184:13
6:11
-0:04
25K
15.53 mi11:41:251:37:436:1715:04
6:13
+0:02
30K
18.64 mi12:01:411:57:596:2020:16
6:31
+0:18
20M
20.00 mi12:10:402:06:586:218:59
6:37
+0:06
21M
21.00 mi12:17:452:14:036:237:05
7:05
+0:28
35K
21.75 mi12:22:302:18:486:234:45
6:21
-0:44
23M
23.00 mi12:30:522:27:106:248:22
6:41
+0:20
24M
24.00 mi12:37:292:33:476:246:37
6:37
-0:04
40K
24.85 mi12:43:142:39:326:255:45
6:44
+0:07
25.2M
25.20 mi12:45:472:42:056:262:33
7:24
+0:40
Finish
26.22 mi12:52:382:48:566:276:51
6:43
-0:41

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

6:11 /mi

Average Pace

6:27 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:18

94% of race

Time at Steady Pace

7:05

4% of race

Time at Slower Pace

2:33

2% of race

Average Pace: 6:27 /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 mi10:23:3219:506:2319:50
6:23
#3018
10K
6.21 mi10:43:1139:296:2119:39
6:19
#2766
15K
9.32 mi11:02:4459:026:2019:33
6:18
#2604
20K
12.43 mi11:22:081:18:266:1919:24
6:15
#2314
Half
13.11 mi11:26:211:22:396:184:13
6:11
#2293
25K
15.53 mi11:41:251:37:436:1715:04
6:13
#2134
30K
18.64 mi12:01:411:57:596:2020:16
6:31
#2092
20M
20.00 mi12:10:402:06:586:218:59
6:37
#2061
21M
21.00 mi12:17:452:14:036:237:05
7:05
#2076
35K
21.75 mi12:22:302:18:486:234:45
6:21
#2047
23M
23.00 mi12:30:522:27:106:248:22
6:41
#2019
24M
24.00 mi12:37:292:33:476:246:37
6:37
#1999
40K
24.85 mi12:43:142:39:326:255:45
6:44
#2000
25.2M
25.20 mi12:45:472:42:056:262:33
7:24
#2007
Finish
26.22 mi12:52:382:48:566:276:51
6:43
#2066
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi30181421422312(Top 8%)100(Top 0.8%)100(Top 2%)
10K6.21 mi3.10 mi2766+252125+17125+172587(Top 9%)112(Top 0.9%)112(Top 2%)
15K9.32 mi3.11 mi2604+162115+10115+102312(Top 8%)100(Top 0.8%)100(Top 2%)
20K12.43 mi3.11 mi2314+29098+1798+171783(Top 6%)82(Top 0.7%)82(Top 1%)
Half13.11 mi0.68 mi2293+2197+197+11942(Top 7%)83(Top 0.7%)83(Top 2%)
25K15.53 mi2.42 mi2134+15992+592+51525(Top 5%)71(Top 0.6%)71(Top 1%)
30K18.64 mi3.11 mi2092+4290+290+22098(Top 7%)99(Top 0.8%)99(Top 2%)
20M20.00 mi1.36 mi2061+3191-191-12088(Top 7%)106(Top 0.9%)106(Top 2%)
21M21.00 mi1.00 mi2076-1594-394-32635(Top 9%)171(Top 1%)171(Top 3%)
35K21.75 mi0.75 mi2047+2994941848(Top 7%)107(Top 0.9%)107(Top 2%)
23M23.00 mi1.25 mi2019+2894942201(Top 8%)137(Top 1%)137(Top 3%)
24M24.00 mi1.00 mi1999+2095-195-12596(Top 9%)197(Top 2%)197(Top 4%)
40K24.85 mi0.85 mi2000-196-196-12530(Top 9%)210(Top 2%)210(Top 4%)
25.2M25.20 mi0.35 mi2007-797-197-13008(Top 11%)311(Top 3%)311(Top 6%)
Finish26.22 mi1.02 mi2066-59100-3100-34037(Top 14%)555(Top 5%)555(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2312

Females

100

F18-39

100

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2587

Females

112

F18-39

112

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2312

Females

100

F18-39

100

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1783

Females

82

F18-39

82

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1942

Females

83

F18-39

83

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1525

Females

71

F18-39

71

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2098

Females

99

F18-39

99

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

2088

Females

106

F18-39

106

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2635

Females

171

F18-39

171

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1848

Females

107

F18-39

107

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2201

Females

137

F18-39

137

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2596

Females

197

F18-39

197

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2530

Females

210

F18-39

210

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3008

Females

311

F18-39

311

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

4037

Females

555

F18-39

555

Passing Analysis

Category:
Athletes Passed
1315
Passed By
363
Net Change
+952
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3018
5K → 10K29139+252#3018#2766
10K → 15K17917+162#2766#2604
15K → 20K2955+290#2604#2314
20K → Half232+21#2314#2293
Half → 25K1612+159#2293#2134
25K → 30K9048+42#2134#2092
30K → 20M5322+31#2092#2061
20M → 21M2843-15#2061#2076
21M → 35K4011+29#2076#2047
35K → 23M6234+28#2047#2019
23M → 24M4525+20#2019#1999
24M → 40K2829-1#1999#2000
40K → 25.2M815-7#2000#2007
25.2M → Finish1271-59#2007#2066
TOTALS1315363+952
📊

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