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BOSTON MARATHON 2025

Meghan Lembo

Bib: 28205•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:24
Rank: #25841
Start → 5K
31:24 | 10:06/mi
10K· 6.21 mi
1:03:06
Rank: #25803 (+38)
5K → 10K
31:42 | 10:12/mi
15K· 9.32 mi
1:35:39
Rank: #25847 (-44)
10K → 15K
32:33 | 10:29/mi
20K· 12.43 mi
2:08:23
Rank: #25662 (+185)
15K → 20K
32:44 | 10:32/mi
Half· 13.11 mi
2:15:16
Rank: #25640 (+22)
20K → Half
6:53 | 10:05/mi
25K· 15.53 mi
2:40:24
Rank: #25371 (+269)
Half → 25K
25:08 | 10:22/mi
30K· 18.64 mi
3:13:59
Rank: #25057 (+314)
25K → 30K
33:35 | 10:49/mi
20M
3:28:47
Rank: #24957 (+100)
30K → 20M
14:48 | 10:53/mi
21M
3:40:00
Rank: #24808 (+149)
20M → 21M
11:13 | 11:13/mi
35K· 21.75 mi
3:48:12
Rank: #24796 (+12)
21M → 35K
8:12 | 10:58/mi
23M
4:02:40
Rank: #24792 (+4)
35K → 23M
14:28 | 11:33/mi
24M
4:12:54
Rank: #24691 (+101)
23M → 24M
10:14 | 10:14/mi
40K· 24.85 mi
4:21:32
Rank: #24576 (+115)
24M → 40K
8:38 | 10:06/mi
25.2M
4:25:21
Rank: #24537 (+39)
40K → 25.2M
3:49 | 11:04/mi
Finish· 26.22 mi
4:34:51
Rank: #24446 (+91)
25.2M → Finish
9:30 | 9:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:16
Pace10:19 /mi
2nd Half
Distance13.11 mi
Time2:19:35
Pace10:39 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:1831:2410:0631:24
10:06
-
10K
6.21 mi12:29:001:03:0610:0931:42
10:12
+0:06
15K
9.32 mi13:01:331:35:3910:1632:33
10:29
+0:17
20K
12.43 mi13:34:172:08:2310:2032:44
10:32
+0:03
Half
13.11 mi13:41:102:15:1610:196:53
10:05
-0:27
25K
15.53 mi14:06:182:40:2410:2025:08
10:22
+0:17
30K
18.64 mi14:39:533:13:5910:2433:35
10:49
+0:27
20M
20.00 mi14:54:413:28:4710:2614:48
10:53
+0:04
21M
21.00 mi15:05:543:40:0010:2911:13
11:13
+0:20
35K
21.75 mi15:14:063:48:1210:308:12
10:58
-0:15
23M
23.00 mi15:28:344:02:4010:3314:28
11:33
+0:35
24M
24.00 mi15:38:484:12:5410:3210:14
10:14
-1:19
40K
24.85 mi15:47:264:21:3210:318:38
10:06
-0:08
25.2M
25.20 mi15:51:154:25:2110:323:49
11:04
+0:58
Finish
26.22 mi16:00:454:34:5110:299:30
9:19
-1:45

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

9:19 /mi

Average Pace

10:29 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:07

32% of race

Time at Steady Pace

1:40:39

37% of race

Time at Slower Pace

1:26:05

31% of race

Average Pace: 10:29 /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 mi11:57:1831:2410:0631:24
10:06
#25841
10K
6.21 mi12:29:001:03:0610:0931:42
10:12
#25803
15K
9.32 mi13:01:331:35:3910:1632:33
10:29
#25847
20K
12.43 mi13:34:172:08:2310:2032:44
10:32
#25662
Half
13.11 mi13:41:102:15:1610:196:53
10:05
#25640
25K
15.53 mi14:06:182:40:2410:2025:08
10:22
#25371
30K
18.64 mi14:39:533:13:5910:2433:35
10:49
#25057
20M
20.00 mi14:54:413:28:4710:2614:48
10:53
#24957
21M
21.00 mi15:05:543:40:0010:2911:13
11:13
#24808
35K
21.75 mi15:14:063:48:1210:308:12
10:58
#24796
23M
23.00 mi15:28:344:02:4010:3314:28
11:33
#24792
24M
24.00 mi15:38:484:12:5410:3210:14
10:14
#24691
40K
24.85 mi15:47:264:21:3210:318:38
10:06
#24576
25.2M
25.20 mi15:51:154:25:2110:323:49
11:04
#24537
Finish
26.22 mi16:00:454:34:5110:299:30
9:19
#24446
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25841106691066925893(Top 91%)10735(Top 88%)10735(Top 196%)
10K6.21 mi3.10 mi25803+3810664+510664+525753(Top 91%)10659(Top 87%)10659(Top 195%)
15K9.32 mi3.11 mi25847-4410694-3010694-3025893(Top 91%)10735(Top 88%)10735(Top 196%)
20K12.43 mi3.11 mi25662+18510597+9710597+9725250(Top 89%)10404(Top 85%)10404(Top 190%)
Half13.11 mi0.68 mi25640+2210583+1410583+1425025(Top 88%)10272(Top 84%)10272(Top 188%)
25K15.53 mi2.42 mi25371+26910456+12710456+12724111(Top 85%)9803(Top 80%)9803(Top 179%)
30K18.64 mi3.11 mi25057+31410308+14810308+14823640(Top 83%)9674(Top 79%)9674(Top 177%)
20M20.00 mi1.36 mi24957+10010271+3710271+3723391(Top 82%)9626(Top 79%)9626(Top 176%)
21M21.00 mi1.00 mi24808+14910195+7610195+7621975(Top 77%)8961(Top 73%)8961(Top 164%)
35K21.75 mi0.75 mi24796+1210200-510200-524130(Top 85%)10133(Top 83%)10133(Top 185%)
23M23.00 mi1.25 mi24792+410214-1410214-1424359(Top 86%)10275(Top 84%)10275(Top 188%)
24M24.00 mi1.00 mi24691+10110178+3610178+3622064(Top 78%)9173(Top 75%)9173(Top 168%)
40K24.85 mi0.85 mi24576+11510121+5710121+5720799(Top 73%)8568(Top 70%)8568(Top 157%)
25.2M25.20 mi0.35 mi24537+3910104+1710104+1720917(Top 74%)8631(Top 71%)8631(Top 158%)
Finish26.22 mi1.02 mi24446+9110071+3310071+3320504(Top 72%)8402(Top 69%)8402(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

25893

Females

10735

F18-39

10735

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

25753

Females

10659

F18-39

10659

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

25893

Females

10735

F18-39

10735

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25250

Females

10404

F18-39

10404

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

25025

Females

10272

F18-39

10272

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24111

Females

9803

F18-39

9803

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23640

Females

9674

F18-39

9674

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

23391

Females

9626

F18-39

9626

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21975

Females

8961

F18-39

8961

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

24130

Females

10133

F18-39

10133

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

24359

Females

10275

F18-39

10275

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22064

Females

9173

F18-39

9173

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20799

Females

8568

F18-39

8568

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

20917

Females

8631

F18-39

8631

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20504

Females

8402

F18-39

8402

Passing Analysis

Category:
Athletes Passed
1882
Passed By
487
Net Change
+1395
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25841
5K → 10K216178+38#25841#25803
10K → 15K103147-44#25803#25847
15K → 20K22338+185#25847#25662
20K → Half3210+22#25662#25640
Half → 25K2756+269#25640#25371
25K → 30K32612+314#25371#25057
30K → 20M11111+100#25057#24957
20M → 21M1523+149#24957#24808
21M → 35K3826+12#24808#24796
35K → 23M5147+4#24796#24792
23M → 24M1054+101#24792#24691
24M → 40K1172+115#24691#24576
40K → 25.2M390+39#24576#24537
25.2M → Finish943+91#24537#24446
TOTALS1882487+1395
📊

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