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BOSTON MARATHON 2025

Lauren Blevins

Bib: 18743•F

OH

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 33%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:04/mi
25:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:56/mi
49:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:13:47
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:37:54
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:43:06
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:02:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:19/mi
2:28:04
↑ 181↓ 1480.2%
20M
8:21/mi
2:39:25
↑ 64↓ 500.2%
21M
8:57/mi
2:48:22
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:54:17
↑ 17↓ 861.7%
23M
8:18/mi
3:04:40
↑ 23↓ 630.6%
24M
7:59/mi
3:12:39
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:19:36
↓ 200.3%
25.2M
9:40/mi
3:22:56
↑ 13↓ 160.2%
Finish· 26.22 mi
7:54/mi
3:30:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:06
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:47:53
Pace8:14 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0725:038:0425:03
8:04
-
10K
6.21 mi11:40:4749:438:0024:40
7:56
-0:08
15K
9.32 mi12:04:511:13:477:5524:04
7:45
-0:11
20K
12.43 mi12:28:581:37:547:5324:07
7:46
+0:01
Half
13.11 mi12:34:101:43:067:525:12
7:37
-0:09
25K
15.53 mi12:53:182:02:147:5219:08
7:53
+0:16
30K
18.64 mi13:19:082:28:047:5725:50
8:19
+0:26
20M
20.00 mi13:30:292:39:257:5811:21
8:21
+0:02
21M
21.00 mi13:39:262:48:228:018:57
8:57
+0:36
35K
21.75 mi13:45:212:54:178:015:55
7:55
-1:02
23M
23.00 mi13:55:443:04:408:0210:23
8:18
+0:23
24M
24.00 mi14:03:433:12:398:027:59
7:59
-0:19
40K
24.85 mi14:10:403:19:368:026:57
8:08
+0:09
25.2M
25.20 mi14:14:003:22:568:033:20
9:40
+1:32
Finish
26.22 mi14:22:033:30:598:038:03
7:54
-1:46

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

7:37 /mi

Average Pace

8:03 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

5:12

2% of race

Time at Steady Pace

2:25:56

69% of race

Time at Slower Pace

59:51

28% of race

Average Pace: 8:03 /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 mi11:16:0725:038:0425:03
8:04
#17103
10K
6.21 mi11:40:4749:438:0024:40
7:56
#16525
15K
9.32 mi12:04:511:13:477:5524:04
7:45
#15640
20K
12.43 mi12:28:581:37:547:5324:07
7:46
#14900
Half
13.11 mi12:34:101:43:067:525:12
7:37
#14780
25K
15.53 mi12:53:182:02:147:5219:08
7:53
#14457
30K
18.64 mi13:19:082:28:047:5725:50
8:19
#14224
20M
20.00 mi13:30:292:39:257:5811:21
8:21
#14079
21M
21.00 mi13:39:262:48:228:018:57
8:57
#13983
35K
21.75 mi13:45:212:54:178:015:55
7:55
#13876
23M
23.00 mi13:55:443:04:408:0210:23
8:18
#13754
24M
24.00 mi14:03:433:12:398:027:59
7:59
#13607
40K
24.85 mi14:10:403:19:368:026:57
8:08
#13490
25.2M
25.20 mi14:14:003:22:568:033:20
9:40
#13516
Finish
26.22 mi14:22:033:30:598:038:03
7:54
#13471
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi171035793579313920(Top 49%)3966(Top 32%)3966(Top 73%)
10K6.21 mi3.10 mi16525+5785449+3445449+34415988(Top 56%)5111(Top 42%)5111(Top 93%)
15K9.32 mi3.11 mi15640+8854921+5284921+52813920(Top 49%)3966(Top 32%)3966(Top 73%)
20K12.43 mi3.11 mi14900+7404533+3884533+38812988(Top 46%)3547(Top 29%)3547(Top 65%)
Half13.11 mi0.68 mi14780+1204459+744459+7412853(Top 45%)3432(Top 28%)3432(Top 63%)
25K15.53 mi2.42 mi14457+3234310+1494310+14913053(Top 46%)3701(Top 30%)3701(Top 68%)
30K18.64 mi3.11 mi14224+2334235+754235+7513603(Top 48%)4148(Top 34%)4148(Top 76%)
20M20.00 mi1.36 mi14079+1454183+524183+5212871(Top 45%)3900(Top 32%)3900(Top 71%)
21M21.00 mi1.00 mi13983+964154+294154+2913232(Top 47%)4231(Top 35%)4231(Top 77%)
35K21.75 mi0.75 mi13876+1074120+344120+3411694(Top 41%)3496(Top 29%)3496(Top 64%)
23M23.00 mi1.25 mi13754+1224087+334087+3312026(Top 42%)3760(Top 31%)3760(Top 69%)
24M24.00 mi1.00 mi13607+1474038+494038+4911168(Top 39%)3400(Top 28%)3400(Top 62%)
40K24.85 mi0.85 mi13490+1173990+483990+4811137(Top 39%)3482(Top 28%)3482(Top 64%)
25.2M25.20 mi0.35 mi13516-264021-314021-3115457(Top 54%)5781(Top 47%)5781(Top 106%)
Finish26.22 mi1.02 mi13471+454018+34018+312198(Top 43%)4035(Top 33%)4035(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13920

Females

3966

F18-39

3966

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15988

Females

5111

F18-39

5111

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13920

Females

3966

F18-39

3966

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12988

Females

3547

F18-39

3547

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12853

Females

3432

F18-39

3432

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

13053

Females

3701

F18-39

3701

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13603

Females

4148

F18-39

4148

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12871

Females

3900

F18-39

3900

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13232

Females

4231

F18-39

4231

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11694

Females

3496

F18-39

3496

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

12026

Females

3760

F18-39

3760

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11168

Females

3400

F18-39

3400

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11137

Females

3482

F18-39

3482

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15457

Females

5781

F18-39

5781

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12198

Females

4035

F18-39

4035

Passing Analysis

Category:
Athletes Passed
4217
Passed By
585
Net Change
+3632
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17103
5K → 10K682104+578#17103#16525
10K → 15K89712+885#16525#15640
15K → 20K7455+740#15640#14900
20K → Half1233+120#14900#14780
Half → 25K35431+323#14780#14457
25K → 30K361128+233#14457#14224
30K → 20M18641+145#14224#14079
20M → 21M15155+96#14079#13983
21M → 35K12316+107#13983#13876
35K → 23M16644+122#13876#13754
23M → 24M17023+147#13754#13607
24M → 40K13619+117#13607#13490
40K → 25.2M3056-26#13490#13516
25.2M → Finish9348+45#13516#13471
TOTALS4217585+3632
📊

Passing Visuals

Category:
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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