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BOSTON MARATHON 2025

Kelly Horan

Bib: 25872•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:42
Rank: #23355
Start → 5K
28:42 | 9:14/mi
10K· 6.21 mi
58:46
Rank: #24072 (-717)
5K → 10K
30:04 | 9:41/mi
15K· 9.32 mi
1:29:23
Rank: #24292 (-220)
10K → 15K
30:37 | 9:51/mi
20K· 12.43 mi
2:00:58
Rank: #24383 (-91)
15K → 20K
31:35 | 10:10/mi
Half· 13.11 mi
2:07:34
Rank: #24349 (+34)
20K → Half
6:36 | 9:40/mi
25K· 15.53 mi
2:32:48
Rank: #24344 (+5)
Half → 25K
25:14 | 10:24/mi
30K· 18.64 mi
3:06:48
Rank: #24276 (+68)
25K → 30K
34:00 | 10:57/mi
20M
3:20:58
Rank: #24113 (+163)
30K → 20M
14:10 | 10:25/mi
21M
3:32:00
Rank: #23987 (+126)
20M → 21M
11:02 | 11:02/mi
35K· 21.75 mi
3:39:40
Rank: #23924 (+63)
21M → 35K
7:40 | 10:15/mi
23M
3:53:46
Rank: #23904 (+20)
35K → 23M
14:06 | 11:16/mi
24M
4:05:16
Rank: #23964 (-60)
23M → 24M
11:30 | 11:30/mi
40K· 24.85 mi
4:15:13
Rank: #24003 (-39)
24M → 40K
9:57 | 11:38/mi
25.2M
4:19:19
Rank: #23994 (+9)
40K → 25.2M
4:06 | 11:53/mi
Finish· 26.22 mi
4:29:55
Rank: #24007 (-13)
25.2M → Finish
10:36 | 10:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:34
Pace9:44 /mi
2nd Half
Distance13.11 mi
Time2:22:21
Pace10:52 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:0328:429:1428:42
9:14
-
10K
6.21 mi12:14:0758:469:2730:04
9:41
+0:27
15K
9.32 mi12:44:441:29:239:3530:37
9:51
+0:10
20K
12.43 mi13:16:192:00:589:4431:35
10:10
+0:19
Half
13.11 mi13:22:552:07:349:446:36
9:40
-0:30
25K
15.53 mi13:48:092:32:489:5025:14
10:24
+0:44
30K
18.64 mi14:22:093:06:4810:0134:00
10:57
+0:33
20M
20.00 mi14:36:193:20:5810:0314:10
10:25
-0:32
21M
21.00 mi14:47:213:32:0010:0611:02
11:02
+0:37
35K
21.75 mi14:55:013:39:4010:067:40
10:15
-0:47
23M
23.00 mi15:09:073:53:4610:1014:06
11:16
+1:01
24M
24.00 mi15:20:374:05:1610:1311:30
11:30
+0:14
40K
24.85 mi15:30:344:15:1310:169:57
11:38
+0:08
25.2M
25.20 mi15:34:404:19:1910:174:06
11:53
+0:15
Finish
26.22 mi15:45:164:29:5510:1810:36
10:24
-1:29

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

9:14 /mi

Average Pace

10:18 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:59

36% of race

Time at Steady Pace

1:29:15

33% of race

Time at Slower Pace

1:24:41

31% of race

Average Pace: 10:18 /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 mi11:44:0328:429:1428:42
9:14
#23355
10K
6.21 mi12:14:0758:469:2730:04
9:41
#24072
15K
9.32 mi12:44:441:29:239:3530:37
9:51
#24292
20K
12.43 mi13:16:192:00:589:4431:35
10:10
#24383
Half
13.11 mi13:22:552:07:349:446:36
9:40
#24349
25K
15.53 mi13:48:092:32:489:5025:14
10:24
#24344
30K
18.64 mi14:22:093:06:4810:0134:00
10:57
#24276
20M
20.00 mi14:36:193:20:5810:0314:10
10:25
#24113
21M
21.00 mi14:47:213:32:0010:0611:02
11:02
#23987
35K
21.75 mi14:55:013:39:4010:067:40
10:15
#23924
23M
23.00 mi15:09:073:53:4610:1014:06
11:16
#23904
24M
24.00 mi15:20:374:05:1610:1311:30
11:30
#23964
40K
24.85 mi15:30:344:15:1310:169:57
11:38
#24003
25.2M
25.20 mi15:34:404:19:1910:174:06
11:53
#23994
Finish
26.22 mi15:45:164:29:5510:1810:36
10:24
#24007
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi233559362936224670(Top 87%)10037(Top 82%)10037(Top 770%)
10K6.21 mi3.10 mi24072-7179724-3629724-36224561(Top 86%)9993(Top 82%)9993(Top 767%)
15K9.32 mi3.11 mi24292-2209837-1139837-11324670(Top 87%)10037(Top 82%)10037(Top 770%)
20K12.43 mi3.11 mi24383-919915-789915-7824571(Top 87%)10030(Top 82%)10030(Top 770%)
Half13.11 mi0.68 mi24349+349895+209895+2024057(Top 85%)9740(Top 80%)9740(Top 748%)
25K15.53 mi2.42 mi24344+59906-119906-1124191(Top 85%)9844(Top 81%)9844(Top 755%)
30K18.64 mi3.11 mi24276+689882+249882+2423914(Top 84%)9826(Top 80%)9826(Top 754%)
20M20.00 mi1.36 mi24113+1639820+629820+6222243(Top 78%)9032(Top 74%)9032(Top 693%)
21M21.00 mi1.00 mi23987+1269766+549766+5421519(Top 76%)8721(Top 71%)8721(Top 669%)
35K21.75 mi0.75 mi23924+639739+279739+2722586(Top 80%)9334(Top 76%)9334(Top 716%)
23M23.00 mi1.25 mi23904+209754-159754-1523814(Top 84%)10010(Top 82%)10010(Top 768%)
24M24.00 mi1.00 mi23964-609787-339787-3324911(Top 88%)10586(Top 87%)10586(Top 812%)
40K24.85 mi0.85 mi24003-399830-439830-4324382(Top 86%)10365(Top 85%)10365(Top 795%)
25.2M25.20 mi0.35 mi23994+99825+59825+523030(Top 81%)9673(Top 79%)9673(Top 742%)
Finish26.22 mi1.02 mi24007-139845-209845-2024067(Top 85%)10202(Top 83%)10202(Top 783%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

24670

Females

10037

F50-54

10037

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24561

Females

9993

F50-54

9993

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

24670

Females

10037

F50-54

10037

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

24571

Females

10030

F50-54

10030

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

24057

Females

9740

F50-54

9740

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24191

Females

9844

F50-54

9844

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

23914

Females

9826

F50-54

9826

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

22243

Females

9032

F50-54

9032

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21519

Females

8721

F50-54

8721

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22586

Females

9334

F50-54

9334

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23814

Females

10010

F50-54

10010

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

24911

Females

10586

F50-54

10586

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24382

Females

10365

F50-54

10365

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23030

Females

9673

F50-54

9673

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

24067

Females

10202

F50-54

10202

Passing Analysis

Category:
Athletes Passed
1152
Passed By
1804
Net Change
-652
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23355
5K → 10K57774-717#23355#24072
10K → 15K74294-220#24072#24292
15K → 20K99190-91#24292#24383
20K → Half428+34#24383#24349
Half → 25K122117+5#24349#24344
25K → 30K183115+68#24344#24276
30K → 20M1707+163#24276#24113
20M → 21M13812+126#24113#23987
21M → 35K7815+63#23987#23924
35K → 23M7252+20#23924#23904
23M → 24M2686-60#23904#23964
24M → 40K2968-39#23964#24003
40K → 25.2M2011+9#24003#23994
25.2M → Finish4255-13#23994#24007
TOTALS11521804-652
📊

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