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BOSTON MARATHON 2025

Margaret Kuhn

Bib: 23828•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:18
Rank: #21431
Start → 5K
8:47/mi
27:18 split
10K· 6.21 mi
55:11
Rank: #21865 (-434)
5K → 10K
8:58/mi
27:53 split
15K· 9.32 mi
1:23:30
Rank: #22108 (-243)
10K → 15K
9:07/mi
28:19 split
20K· 12.43 mi
1:56:54
Rank: #23488 (-1380)
15K → 20K
10:45/mi
33:24 split
Half· 13.11 mi
2:03:04
Rank: #23398 (+90)
20K → Half
9:02/mi
6:10 split
25K· 15.53 mi
2:27:54
Rank: #23477 (-79)
Half → 25K
10:15/mi
24:50 split
30K· 18.64 mi
3:11:27
Rank: #24813 (-1336)
25K → 30K
14:01/mi
43:33 split
20M
3:35:11
Rank: #25514 (-701)
30K → 20M
17:28/mi
23:44 split
21M
3:45:40
Rank: #25298 (+216)
20M → 21M
10:29/mi
10:29 split
35K· 21.75 mi
3:53:02
Rank: #25211 (+87)
21M → 35K
9:51/mi
7:22 split
23M
4:05:20
Rank: #25017 (+194)
35K → 23M
9:49/mi
12:18 split
24M
4:15:15
Rank: #24893 (+124)
23M → 24M
9:55/mi
9:55 split
40K· 24.85 mi
4:24:01
Rank: #24784 (+109)
24M → 40K
10:15/mi
8:46 split
25.2M
4:27:55
Rank: #24743 (+41)
40K → 25.2M
11:19/mi
3:54 split
Finish· 26.22 mi
4:37:50
Rank: #24683 (+60)
25.2M → Finish
9:44/mi
9:55 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:04
Pace9:23 /mi
2nd Half
Distance13.11 mi
Time2:34:46
Pace11:48 /mi
📊Positive Split: 25.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4327:188:4727:18
8:47
-
10K
6.21 mi11:52:3655:118:5327:53
8:58
+0:11
15K
9.32 mi12:20:551:23:308:5828:19
9:07
+0:09
20K
12.43 mi12:54:191:56:549:2433:24
10:45
+1:38
Half
13.11 mi13:00:292:03:049:236:10
9:02
-1:43
25K
15.53 mi13:25:192:27:549:3124:50
10:15
+1:13
30K
18.64 mi14:08:523:11:2710:1643:33
14:01
+3:46
20M
20.00 mi14:32:363:35:1110:4623:44
17:28
+3:27
21M
21.00 mi14:43:053:45:4010:4510:29
10:29
-6:59
35K
21.75 mi14:50:273:53:0210:437:22
9:51
-0:38
23M
23.00 mi15:02:454:05:2010:4012:18
9:49
-0:02
24M
24.00 mi15:12:404:15:1510:389:55
9:55
+0:06
40K
24.85 mi15:21:264:24:0110:378:46
10:15
+0:20
25.2M
25.20 mi15:25:204:27:5510:383:54
11:19
+1:04
Finish
26.22 mi15:35:154:37:5010:369:55
9:44
-1:35

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

8:47 /mi

Average Pace

10:36 /mi

Slowest Pace

17:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:18

10% of race

Time at Steady Pace

2:59:21

65% of race

Time at Slower Pace

1:11:11

26% of race

Average Pace: 10:36 /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 mi11:24:4327:188:4727:18
8:47
#21431
10K
6.21 mi11:52:3655:118:5327:53
8:58
#21865
15K
9.32 mi12:20:551:23:308:5828:19
9:07
#22108
20K
12.43 mi12:54:191:56:549:2433:24
10:45
#23488
Half
13.11 mi13:00:292:03:049:236:10
9:02
#23398
25K
15.53 mi13:25:192:27:549:3124:50
10:15
#23477
30K
18.64 mi14:08:523:11:2710:1643:33
14:01
#24813
20M
20.00 mi14:32:363:35:1110:4623:44
17:28
#25514
21M
21.00 mi14:43:053:45:4010:4510:29
10:29
#25298
35K
21.75 mi14:50:273:53:0210:437:22
9:51
#25211
23M
23.00 mi15:02:454:05:2010:4012:18
9:49
#25017
24M
24.00 mi15:12:404:15:1510:389:55
9:55
#24893
40K
24.85 mi15:21:264:24:0110:378:46
10:15
#24784
25.2M
25.20 mi15:25:204:27:5510:383:54
11:19
#24743
Finish
26.22 mi15:35:154:37:5010:369:55
9:44
#24683
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi214318324832422508(Top 79%)8841(Top 72%)8841(Top 1417%)
10K6.21 mi3.10 mi21865-4348534-2108534-21022262(Top 78%)8747(Top 72%)8747(Top 1402%)
15K9.32 mi3.11 mi22108-2438656-1228656-12222508(Top 79%)8841(Top 72%)8841(Top 1417%)
20K12.43 mi3.11 mi23488-13809397-7419397-74125621(Top 90%)10598(Top 87%)10598(Top 1698%)
Half13.11 mi0.68 mi23398+909341+569341+5621946(Top 77%)8582(Top 70%)8582(Top 1375%)
25K15.53 mi2.42 mi23477-799403-629403-6223807(Top 84%)9643(Top 79%)9643(Top 1545%)
30K18.64 mi3.11 mi24813-133610178-77510178-77527523(Top 97%)11791(Top 96%)11791(Top 1890%)
20M20.00 mi1.36 mi25514-70110582-40410582-40428326(Top 100%)12201(Top 100%)12201(Top 1955%)
21M21.00 mi1.00 mi25298+21610474+10810474+10819927(Top 70%)7875(Top 64%)7875(Top 1262%)
35K21.75 mi0.75 mi25211+8710433+4110433+4121432(Top 75%)8747(Top 72%)8747(Top 1402%)
23M23.00 mi1.25 mi25017+19410337+9610337+9619855(Top 70%)7981(Top 65%)7981(Top 1279%)
24M24.00 mi1.00 mi24893+12410282+5510282+5521092(Top 74%)8657(Top 71%)8657(Top 1387%)
40K24.85 mi0.85 mi24784+10910242+4010242+4021212(Top 75%)8782(Top 72%)8782(Top 1407%)
25.2M25.20 mi0.35 mi24743+4110225+1710225+1721482(Top 76%)8915(Top 73%)8915(Top 1429%)
Finish26.22 mi1.02 mi24683+6010196+2910196+2921999(Top 77%)9161(Top 75%)9161(Top 1468%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

22508

Females

8841

F60-64

8841

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22262

Females

8747

F60-64

8747

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

22508

Females

8841

F60-64

8841

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

25621

Females

10598

F60-64

10598

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

21946

Females

8582

F60-64

8582

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23807

Females

9643

F60-64

9643

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

27523

Females

11791

F60-64

11791

30K→20M

18.6 - 20.0 mi

Top 100%
×5stories
+64ft-50ft

Overall

28326

Females

12201

F60-64

12201

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

19927

Females

7875

F60-64

7875

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21432

Females

8747

F60-64

8747

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

19855

Females

7981

F60-64

7981

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

21092

Females

8657

F60-64

8657

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21212

Females

8782

F60-64

8782

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21482

Females

8915

F60-64

8915

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21999

Females

9161

F60-64

9161

Passing Analysis

Category:
Athletes Passed
1297
Passed By
4549
Net Change
-3252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21431
5K → 10K118552-434#21431#21865
10K → 15K118361-243#21865#22108
15K → 20K131393-1380#22108#23488
20K → Half955+90#23488#23398
Half → 25K100179-79#23398#23477
25K → 30K71343-1336#23477#24813
30K → 20M4705-701#24813#25514
20M → 21M2160+216#25514#25298
21M → 35K881+87#25298#25211
35K → 23M1940+194#25211#25017
23M → 24M1240+124#25017#24893
24M → 40K1101+109#24893#24784
40K → 25.2M432+41#24784#24743
25.2M → Finish677+60#24743#24683
TOTALS12974549-3252
📊

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