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BOSTON MARATHON 2025

Leah Conboy

Bib: 21116•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
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
27:12
Rank: #21282
Start → 5K
27:12 | 8:45/mi
10K· 6.21 mi
54:21
Rank: #21152 (+130)
5K → 10K
27:09 | 8:44/mi
15K· 9.32 mi
1:21:53
Rank: #21180 (-28)
10K → 15K
27:32 | 8:52/mi
20K· 12.43 mi
1:50:17
Rank: #21302 (-122)
15K → 20K
28:24 | 9:08/mi
Half· 13.11 mi
1:56:27
Rank: #21349 (-47)
20K → Half
6:10 | 9:02/mi
25K· 15.53 mi
2:19:00
Rank: #21338 (+11)
Half → 25K
22:33 | 9:18/mi
30K· 18.64 mi
2:50:50
Rank: #21604 (-266)
25K → 30K
31:50 | 10:15/mi
20M
3:05:23
Rank: #21755 (-151)
30K → 20M
14:33 | 10:42/mi
21M
3:17:40
Rank: #21957 (-202)
20M → 21M
12:17 | 12:17/mi
35K· 21.75 mi
3:24:52
Rank: #21905 (+52)
21M → 35K
7:12 | 9:37/mi
23M
3:37:37
Rank: #21826 (+79)
35K → 23M
12:45 | 10:11/mi
24M
3:47:57
Rank: #21845 (-19)
23M → 24M
10:20 | 10:20/mi
40K· 24.85 mi
3:56:21
Rank: #21771 (+74)
24M → 40K
8:24 | 9:49/mi
25.2M
4:00:37
Rank: #21811 (-40)
40K → 25.2M
4:16 | 12:22/mi
Finish· 26.22 mi
4:10:13
Rank: #21771 (+40)
25.2M → Finish
9:36 | 9:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:27
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time2:13:46
Pace10:12 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1327:128:4527:12
8:45
-
10K
6.21 mi11:47:2254:218:4527:09
8:44
-0:01
15K
9.32 mi12:14:541:21:538:4727:32
8:52
+0:08
20K
12.43 mi12:43:181:50:178:5228:24
9:08
+0:16
Half
13.11 mi12:49:281:56:278:536:10
9:02
-0:06
25K
15.53 mi13:12:012:19:008:5722:33
9:18
+0:16
30K
18.64 mi13:43:512:50:509:1031:50
10:15
+0:57
20M
20.00 mi13:58:243:05:239:1614:33
10:42
+0:27
21M
21.00 mi14:10:413:17:409:2512:17
12:17
+1:35
35K
21.75 mi14:17:533:24:529:257:12
9:37
-2:40
23M
23.00 mi14:30:383:37:379:2812:45
10:11
+0:34
24M
24.00 mi14:40:583:47:579:3010:20
10:20
+0:09
40K
24.85 mi14:49:223:56:219:318:24
9:49
-0:31
25.2M
25.20 mi14:53:384:00:379:334:16
12:22
+2:33
Finish
26.22 mi15:03:144:10:139:339:36
9:25
-2:57

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

8:44 /mi

Average Pace

9:33 /mi

Slowest Pace

12:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:03

35% of race

Time at Steady Pace

1:16:09

30% of race

Time at Slower Pace

1:26:01

34% of race

Average Pace: 9:33 /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 mi11:20:1327:128:4527:12
8:45
#21282
10K
6.21 mi11:47:2254:218:4527:09
8:44
#21152
15K
9.32 mi12:14:541:21:538:4727:32
8:52
#21180
20K
12.43 mi12:43:181:50:178:5228:24
9:08
#21302
Half
13.11 mi12:49:281:56:278:536:10
9:02
#21349
25K
15.53 mi13:12:012:19:008:5722:33
9:18
#21338
30K
18.64 mi13:43:512:50:509:1031:50
10:15
#21604
20M
20.00 mi13:58:243:05:239:1614:33
10:42
#21755
21M
21.00 mi14:10:413:17:409:2512:17
12:17
#21957
35K
21.75 mi14:17:533:24:529:257:12
9:37
#21905
23M
23.00 mi14:30:383:37:379:2812:45
10:11
#21826
24M
24.00 mi14:40:583:47:579:3010:20
10:20
#21845
40K
24.85 mi14:49:223:56:219:318:24
9:49
#21771
25.2M
25.20 mi14:53:384:00:379:334:16
12:22
#21811
Finish
26.22 mi15:03:144:10:139:339:36
9:25
#21771
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi212828235823521366(Top 75%)8201(Top 67%)8201(Top 477%)
10K6.21 mi3.10 mi21152+1308131+1048131+10421104(Top 74%)8083(Top 66%)8083(Top 470%)
15K9.32 mi3.11 mi21180-288138-78138-721366(Top 75%)8201(Top 67%)8201(Top 477%)
20K12.43 mi3.11 mi21302-1228201-638201-6321646(Top 76%)8401(Top 69%)8401(Top 489%)
Half13.11 mi0.68 mi21349-478232-318232-3122011(Top 77%)8616(Top 70%)8616(Top 502%)
25K15.53 mi2.42 mi21338+118235-38235-321189(Top 75%)8204(Top 67%)8204(Top 478%)
30K18.64 mi3.11 mi21604-2668408-1738408-17322313(Top 79%)8946(Top 73%)8946(Top 521%)
20M20.00 mi1.36 mi21755-1518500-928500-9222968(Top 81%)9403(Top 77%)9403(Top 547%)
21M21.00 mi1.00 mi21957-2028643-1438643-14324073(Top 85%)10067(Top 82%)10067(Top 586%)
35K21.75 mi0.75 mi21905+528626+178626+1720792(Top 73%)8393(Top 69%)8393(Top 489%)
23M23.00 mi1.25 mi21826+798622+48622+421068(Top 74%)8594(Top 70%)8594(Top 500%)
24M24.00 mi1.00 mi21845-198654-328654-3222356(Top 79%)9317(Top 76%)9317(Top 542%)
40K24.85 mi0.85 mi21771+748636+188636+1819913(Top 70%)8109(Top 66%)8109(Top 472%)
25.2M25.20 mi0.35 mi21811-408662-268662-2623967(Top 84%)10143(Top 83%)10143(Top 590%)
Finish26.22 mi1.02 mi21771+408654+88654+820912(Top 74%)8615(Top 70%)8615(Top 501%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21366

Females

8201

F40-44

8201

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

21104

Females

8083

F40-44

8083

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21366

Females

8201

F40-44

8201

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21646

Females

8401

F40-44

8401

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

22011

Females

8616

F40-44

8616

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

21189

Females

8204

F40-44

8204

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22313

Females

8946

F40-44

8946

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

22968

Females

9403

F40-44

9403

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

24073

Females

10067

F40-44

10067

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20792

Females

8393

F40-44

8393

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

21068

Females

8594

F40-44

8594

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

22356

Females

9317

F40-44

9317

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19913

Females

8109

F40-44

8109

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23967

Females

10143

F40-44

10143

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

20912

Females

8615

F40-44

8615

Passing Analysis

Category:
Athletes Passed
1469
Passed By
1958
Net Change
-489
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21282
5K → 10K345215+130#21282#21152
10K → 15K191219-28#21152#21180
15K → 20K163285-122#21180#21302
20K → Half1865-47#21302#21349
Half → 25K153142+11#21349#21338
25K → 30K122388-266#21338#21604
30K → 20M49200-151#21604#21755
20M → 21M29231-202#21755#21957
21M → 35K6715+52#21957#21905
35K → 23M12445+79#21905#21826
23M → 24M4362-19#21826#21845
24M → 40K8915+74#21845#21771
40K → 25.2M1151-40#21771#21811
25.2M → Finish6525+40#21811#21771
TOTALS14691958-489
📊

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