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BOSTON MARATHON 2025

Kate Mcnamara

Bib: 20177•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 42%
Masters (Masters Women)
#0 / 6759
Top 28%
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
24:20
Rank: #15117
Start → 5K
24:20 | 7:50/mi
10K· 6.21 mi
48:32
Rank: #14885 (+232)
5K → 10K
24:12 | 7:47/mi
15K· 9.32 mi
1:12:54
Rank: #14827 (+58)
10K → 15K
24:22 | 7:51/mi
20K· 12.43 mi
1:37:45
Rank: #14809 (+18)
15K → 20K
24:51 | 8:00/mi
Half· 13.11 mi
1:43:14
Rank: #14881 (-72)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:03:18
Rank: #15062 (-181)
Half → 25K
20:04 | 8:17/mi
30K· 18.64 mi
2:29:55
Rank: #15081 (-19)
25K → 30K
26:37 | 8:34/mi
20M
2:42:09
Rank: #15203 (-122)
30K → 20M
12:14 | 9:00/mi
21M
2:51:49
Rank: #15268 (-65)
20M → 21M
9:40 | 9:40/mi
35K· 21.75 mi
2:58:42
Rank: #15440 (-172)
21M → 35K
6:53 | 9:12/mi
23M
3:10:12
Rank: #15513 (-73)
35K → 23M
11:30 | 9:11/mi
24M
3:18:39
Rank: #15452 (+61)
23M → 24M
8:27 | 8:27/mi
40K· 24.85 mi
3:26:09
Rank: #15405 (+47)
24M → 40K
7:30 | 8:46/mi
25.2M
3:29:23
Rank: #15373 (+32)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:37:56
Rank: #15366 (+7)
25.2M → Finish
8:33 | 8:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:14
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:54:42
Pace8:45 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1524:207:5024:20
7:50
-
10K
6.21 mi11:40:2748:327:4924:12
7:47
-0:03
15K
9.32 mi12:04:491:12:547:4924:22
7:51
+0:04
20K
12.43 mi12:29:401:37:457:5224:51
8:00
+0:09
Half
13.11 mi12:35:091:43:147:525:29
8:02
+0:02
25K
15.53 mi12:55:132:03:187:5620:04
8:17
+0:15
30K
18.64 mi13:21:502:29:558:0326:37
8:34
+0:17
20M
20.00 mi13:34:042:42:098:0612:14
9:00
+0:26
21M
21.00 mi13:43:442:51:498:119:40
9:40
+0:40
35K
21.75 mi13:50:372:58:428:136:53
9:12
-0:28
23M
23.00 mi14:02:073:10:128:1611:30
9:11
-0:01
24M
24.00 mi14:10:343:18:398:178:27
8:27
-0:44
40K
24.85 mi14:18:043:26:098:187:30
8:46
+0:19
25.2M
25.20 mi14:21:183:29:238:193:14
9:23
+0:37
Finish
26.22 mi14:29:513:37:568:198:33
8:23
-1:00

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

7:47 /mi

Average Pace

8:19 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:14

47% of race

Time at Steady Pace

1:03:41

29% of race

Time at Slower Pace

51:01

23% of race

Average Pace: 8:19 /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 mi11:16:1524:207:5024:20
7:50
#15117
10K
6.21 mi11:40:2748:327:4924:12
7:47
#14885
15K
9.32 mi12:04:491:12:547:4924:22
7:51
#14827
20K
12.43 mi12:29:401:37:457:5224:51
8:00
#14809
Half
13.11 mi12:35:091:43:147:525:29
8:02
#14881
25K
15.53 mi12:55:132:03:187:5620:04
8:17
#15062
30K
18.64 mi13:21:502:29:558:0326:37
8:34
#15081
20M
20.00 mi13:34:042:42:098:0612:14
9:00
#15203
21M
21.00 mi13:43:442:51:498:119:40
9:40
#15268
35K
21.75 mi13:50:372:58:428:136:53
9:12
#15440
23M
23.00 mi14:02:073:10:128:1611:30
9:11
#15513
24M
24.00 mi14:10:343:18:398:178:27
8:27
#15452
40K
24.85 mi14:18:043:26:098:187:30
8:46
#15405
25.2M
25.20 mi14:21:183:29:238:193:14
9:23
#15373
Finish
26.22 mi14:29:513:37:568:198:33
8:23
#15366
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi151174603460314764(Top 52%)4456(Top 36%)4456(Top 259%)
10K6.21 mi3.10 mi14885+2324483+1204483+12014723(Top 52%)4380(Top 36%)4380(Top 255%)
15K9.32 mi3.11 mi14827+584453+304453+3014764(Top 52%)4456(Top 36%)4456(Top 259%)
20K12.43 mi3.11 mi14809+184476-234476-2314933(Top 53%)4614(Top 38%)4614(Top 269%)
Half13.11 mi0.68 mi14881-724528-524528-5216231(Top 57%)5318(Top 43%)5318(Top 310%)
25K15.53 mi2.42 mi15062-1814648-1204648-12015778(Top 56%)5181(Top 42%)5181(Top 302%)
30K18.64 mi3.11 mi15081-194711-634711-6315195(Top 53%)5014(Top 41%)5014(Top 292%)
20M20.00 mi1.36 mi15203-1224811-1004811-10016807(Top 59%)6032(Top 49%)6032(Top 351%)
21M21.00 mi1.00 mi15268-654875-644875-6416877(Top 59%)6187(Top 51%)6187(Top 360%)
35K21.75 mi0.75 mi15440-1724993-1184993-11819175(Top 68%)7535(Top 62%)7535(Top 439%)
23M23.00 mi1.25 mi15513-735077-845077-8417269(Top 61%)6585(Top 54%)6585(Top 383%)
24M24.00 mi1.00 mi15452+615065+125065+1214226(Top 50%)4945(Top 40%)4945(Top 288%)
40K24.85 mi0.85 mi15405+475071-65071-615039(Top 53%)5534(Top 45%)5534(Top 322%)
25.2M25.20 mi0.35 mi15373+325064+75064+713949(Top 49%)4992(Top 41%)4992(Top 291%)
Finish26.22 mi1.02 mi15366+75085-215085-2115530(Top 55%)5770(Top 47%)5770(Top 336%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

14764

Females

4456

F40-44

4456

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

14723

Females

4380

F40-44

4380

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

14764

Females

4456

F40-44

4456

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14933

Females

4614

F40-44

4614

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16231

Females

5318

F40-44

5318

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

15778

Females

5181

F40-44

5181

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

15195

Females

5014

F40-44

5014

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16807

Females

6032

F40-44

6032

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16877

Females

6187

F40-44

6187

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

19175

Females

7535

F40-44

7535

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17269

Females

6585

F40-44

6585

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14226

Females

4945

F40-44

4945

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15039

Females

5534

F40-44

5534

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13949

Females

4992

F40-44

4992

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15530

Females

5770

F40-44

5770

Passing Analysis

Category:
Athletes Passed
1845
Passed By
2094
Net Change
-249
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15117
5K → 10K420188+232#15117#14885
10K → 15K223165+58#14885#14827
15K → 20K222204+18#14827#14809
20K → Half1688-72#14809#14881
Half → 25K130311-181#14881#15062
25K → 30K240259-19#15062#15081
30K → 20M84206-122#15081#15203
20M → 21M96161-65#15203#15268
21M → 35K26198-172#15268#15440
35K → 23M90163-73#15440#15513
23M → 24M9938+61#15513#15452
24M → 40K9346+47#15452#15405
40K → 25.2M4715+32#15405#15373
25.2M → Finish5952+7#15373#15366
TOTALS18452094-249
📊

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