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BOSTON MARATHON 2025

Lauren Flahive

Bib: 25969•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
38:27
Rank: #28316
Start → 5K
38:27 | 12:23/mi
10K· 6.21 mi
1:10:20
Rank: #27659 (+657)
5K → 10K
31:53 | 10:16/mi
15K· 9.32 mi
1:41:18
Rank: #26900 (+759)
10K → 15K
30:58 | 9:58/mi
20K· 12.43 mi
2:12:29
Rank: #26262 (+638)
15K → 20K
31:11 | 10:02/mi
Half· 13.11 mi
2:19:29
Rank: #26215 (+47)
20K → Half
7:00 | 10:16/mi
25K· 15.53 mi
2:44:32
Rank: #25860 (+355)
Half → 25K
25:03 | 10:20/mi
30K· 18.64 mi
3:18:06
Rank: #25468 (+392)
25K → 30K
33:34 | 10:48/mi
20M
3:32:33
Rank: #25293 (+175)
30K → 20M
14:27 | 10:38/mi
21M
3:42:50
Rank: #25070 (+223)
20M → 21M
10:17 | 10:17/mi
35K· 21.75 mi
3:50:43
Rank: #25037 (+33)
21M → 35K
7:53 | 10:32/mi
23M
4:03:59
Rank: #24901 (+136)
35K → 23M
13:16 | 10:36/mi
24M
4:14:33
Rank: #24829 (+72)
23M → 24M
10:34 | 10:34/mi
40K· 24.85 mi
4:23:32
Rank: #24747 (+82)
24M → 40K
8:59 | 10:30/mi
25.2M
4:27:18
Rank: #24699 (+48)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
4:36:55
Rank: #24606 (+93)
25.2M → Finish
9:37 | 9:26/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:19:29
Pace10:38 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:17:26
Pace10:29 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:0838:2712:2338:27
12:23
-
10K
6.21 mi12:26:011:10:2011:1931:53
10:16
-2:07
15K
9.32 mi12:56:591:41:1810:5230:58
9:58
-0:18
20K
12.43 mi13:28:102:12:2910:4031:11
10:02
+0:04
Half
13.11 mi13:35:102:19:2910:387:00
10:16
+0:14
25K
15.53 mi14:00:132:44:3210:3525:03
10:20
+0:04
30K
18.64 mi14:33:473:18:0610:3833:34
10:48
+0:28
20M
20.00 mi14:48:143:32:3310:3814:27
10:38
-0:10
21M
21.00 mi14:58:313:42:5010:3710:17
10:17
-0:21
35K
21.75 mi15:06:243:50:4310:377:53
10:32
+0:15
23M
23.00 mi15:19:404:03:5910:3613:16
10:36
+0:04
24M
24.00 mi15:30:144:14:3310:3610:34
10:34
-0:02
40K
24.85 mi15:39:134:23:3210:368:59
10:30
-0:04
25.2M
25.20 mi15:42:594:27:1810:363:46
10:55
+0:25
Finish
26.22 mi15:52:364:36:5510:349:37
9:26
-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

9:26 /mi

Average Pace

10:34 /mi

Slowest Pace

12:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:46

26% of race

Time at Steady Pace

2:42:56

59% of race

Time at Slower Pace

42:13

15% of race

Average Pace: 10:34 /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 mi11:54:0838:2712:2338:27
12:23
#28316
10K
6.21 mi12:26:011:10:2011:1931:53
10:16
#27659
15K
9.32 mi12:56:591:41:1810:5230:58
9:58
#26900
20K
12.43 mi13:28:102:12:2910:4031:11
10:02
#26262
Half
13.11 mi13:35:102:19:2910:387:00
10:16
#26215
25K
15.53 mi14:00:132:44:3210:3525:03
10:20
#25860
30K
18.64 mi14:33:473:18:0610:3833:34
10:48
#25468
20M
20.00 mi14:48:143:32:3310:3814:27
10:38
#25293
21M
21.00 mi14:58:313:42:5010:3710:17
10:17
#25070
35K
21.75 mi15:06:243:50:4310:377:53
10:32
#25037
23M
23.00 mi15:19:404:03:5910:3613:16
10:36
#24901
24M
24.00 mi15:30:144:14:3310:3610:34
10:34
#24829
40K
24.85 mi15:39:134:23:3210:368:59
10:30
#24747
25.2M
25.20 mi15:42:594:27:1810:363:46
10:55
#24699
Finish
26.22 mi15:52:364:36:5510:349:37
9:26
#24606
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28316121701217024934(Top 88%)10177(Top 83%)10177(Top 186%)
10K6.21 mi3.10 mi27659+65711743+42711743+42725852(Top 91%)10713(Top 88%)10713(Top 196%)
15K9.32 mi3.11 mi26900+75911298+44511298+44524934(Top 88%)10177(Top 83%)10177(Top 186%)
20K12.43 mi3.11 mi26262+63810926+37210926+37224304(Top 86%)9883(Top 81%)9883(Top 181%)
Half13.11 mi0.68 mi26215+4710903+2310903+2325393(Top 89%)10485(Top 86%)10485(Top 192%)
25K15.53 mi2.42 mi25860+35510722+18110722+18124029(Top 85%)9758(Top 80%)9758(Top 178%)
30K18.64 mi3.11 mi25468+39210544+17810544+17823631(Top 83%)9668(Top 79%)9668(Top 177%)
20M20.00 mi1.36 mi25293+17510463+8110463+8122804(Top 80%)9320(Top 76%)9320(Top 170%)
21M21.00 mi1.00 mi25070+22310341+12210341+12219347(Top 68%)7534(Top 62%)7534(Top 138%)
35K21.75 mi0.75 mi25037+3310335+610335+623272(Top 82%)9695(Top 79%)9695(Top 177%)
23M23.00 mi1.25 mi24901+13610275+6010275+6022277(Top 78%)9219(Top 75%)9219(Top 169%)
24M24.00 mi1.00 mi24829+7210250+2510250+2523013(Top 81%)9649(Top 79%)9649(Top 176%)
40K24.85 mi0.85 mi24747+8210223+2710223+2721983(Top 77%)9194(Top 75%)9194(Top 168%)
25.2M25.20 mi0.35 mi24699+4810200+2310200+2320463(Top 72%)8411(Top 69%)8411(Top 154%)
Finish26.22 mi1.02 mi24606+9310156+4410156+4420987(Top 74%)8658(Top 71%)8658(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

24934

Females

10177

F18-39

10177

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

25852

Females

10713

F18-39

10713

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

24934

Females

10177

F18-39

10177

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

24304

Females

9883

F18-39

9883

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25393

Females

10485

F18-39

10485

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24029

Females

9758

F18-39

9758

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23631

Females

9668

F18-39

9668

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

22804

Females

9320

F18-39

9320

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19347

Females

7534

F18-39

7534

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

23272

Females

9695

F18-39

9695

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

22277

Females

9219

F18-39

9219

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

23013

Females

9649

F18-39

9649

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21983

Females

9194

F18-39

9194

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20463

Females

8411

F18-39

8411

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

20987

Females

8658

F18-39

8658

Passing Analysis

Category:
Athletes Passed
3748
Passed By
38
Net Change
+3710
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28316
5K → 10K6570+657#28316#27659
10K → 15K7590+759#27659#26900
15K → 20K6380+638#26900#26262
20K → Half514+47#26262#26215
Half → 25K3561+355#26215#25860
25K → 30K3953+392#25860#25468
30K → 20M1816+175#25468#25293
20M → 21M2241+223#25293#25070
21M → 35K418+33#25070#25037
35K → 23M1371+136#25037#24901
23M → 24M786+72#24901#24829
24M → 40K842+82#24829#24747
40K → 25.2M480+48#24747#24699
25.2M → Finish996+93#24699#24606
TOTALS374838+3710
📊

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