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BOSTON MARATHON 2025

Lauren Boone Johnson

Bib: 28690•F

FL

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
37:47
Rank: #28275
Start → 5K
37:47 | 12:10/mi
10K· 6.21 mi
1:16:05
Rank: #28231 (+44)
5K → 10K
38:18 | 12:20/mi
15K· 9.32 mi
1:55:07
Rank: #28174 (+57)
10K → 15K
39:02 | 12:34/mi
20K· 12.43 mi
2:34:22
Rank: #28062 (+112)
15K → 20K
39:15 | 12:38/mi
Half· 13.11 mi
2:43:02
Rank: #28059 (+3)
20K → Half
8:40 | 12:42/mi
25K· 15.53 mi
3:14:55
Rank: #27976 (+83)
Half → 25K
31:53 | 13:09/mi
30K· 18.64 mi
3:58:57
Rank: #27949 (+27)
25K → 30K
44:02 | 14:10/mi
20M
4:18:26
Rank: #27944 (+5)
30K → 20M
19:29 | 14:20/mi
21M
4:34:26
Rank: #27959 (-15)
20M → 21M
16:00 | 16:00/mi
35K· 21.75 mi
4:45:02
Rank: #27966 (-7)
21M → 35K
10:36 | 14:10/mi
23M
5:03:11
Rank: #27968 (-2)
35K → 23M
18:09 | 14:30/mi
24M
5:16:35
Rank: #27954 (+14)
23M → 24M
13:24 | 13:24/mi
40K· 24.85 mi
5:28:41
Rank: #27942 (+12)
24M → 40K
12:06 | 14:09/mi
25.2M
5:33:53
Rank: #27939 (+3)
40K → 25.2M
5:12 | 15:05/mi
Finish· 26.22 mi
5:47:46
Rank: #27949 (-10)
25.2M → Finish
13:53 | 13:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:43:02
Pace12:26 /mi
2nd Half
Distance13.11 mi
Time3:04:44
Pace14:06 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:1237:4712:1037:47
12:10
-
10K
6.21 mi12:33:301:16:0512:1538:18
12:20
+0:10
15K
9.32 mi13:12:321:55:0712:2139:02
12:34
+0:14
20K
12.43 mi13:51:472:34:2212:2539:15
12:38
+0:04
Half
13.11 mi14:00:272:43:0212:268:40
12:42
+0:04
25K
15.53 mi14:32:203:14:5512:3331:53
13:09
+0:27
30K
18.64 mi15:16:223:58:5712:4944:02
14:10
+1:01
20M
20.00 mi15:35:514:18:2612:5519:29
14:20
+0:10
21M
21.00 mi15:51:514:34:2613:0416:00
16:00
+1:40
35K
21.75 mi16:02:274:45:0213:0610:36
14:10
-1:50
23M
23.00 mi16:20:365:03:1113:1118:09
14:30
+0:20
24M
24.00 mi16:34:005:16:3513:1113:24
13:24
-1:06
40K
24.85 mi16:46:065:28:4113:1312:06
14:09
+0:45
25.2M
25.20 mi16:51:185:33:5313:155:12
15:05
+0:56
Finish
26.22 mi17:05:115:47:4613:1613:53
13:37
-1:28

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

12:10 /mi

Average Pace

13:16 /mi

Slowest Pace

16:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:02

47% of race

Time at Steady Pace

59:10

17% of race

Time at Slower Pace

2:05:34

36% of race

Average Pace: 13:16 /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 mi11:55:1237:4712:1037:47
12:10
#28275
10K
6.21 mi12:33:301:16:0512:1538:18
12:20
#28231
15K
9.32 mi13:12:321:55:0712:2139:02
12:34
#28174
20K
12.43 mi13:51:472:34:2212:2539:15
12:38
#28062
Half
13.11 mi14:00:272:43:0212:268:40
12:42
#28059
25K
15.53 mi14:32:203:14:5512:3331:53
13:09
#27976
30K
18.64 mi15:16:223:58:5712:4944:02
14:10
#27949
20M
20.00 mi15:35:514:18:2612:5519:29
14:20
#27944
21M
21.00 mi15:51:514:34:2613:0416:00
16:00
#27959
35K
21.75 mi16:02:274:45:0213:0610:36
14:10
#27966
23M
23.00 mi16:20:365:03:1113:1118:09
14:30
#27968
24M
24.00 mi16:34:005:16:3513:1113:24
13:24
#27954
40K
24.85 mi16:46:065:28:4113:1312:06
14:09
#27942
25.2M
25.20 mi16:51:185:33:5313:155:12
15:05
#27939
Finish
26.22 mi17:05:115:47:4613:1613:53
13:37
#27949
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi28275121431214327966(Top 98%)11955(Top 98%)11955(Top 696%)
10K6.21 mi3.10 mi28231+4412117+2612117+2628111(Top 99%)12042(Top 98%)12042(Top 701%)
15K9.32 mi3.11 mi28174+5712079+3812079+3827966(Top 98%)11955(Top 98%)11955(Top 696%)
20K12.43 mi3.11 mi28062+11212015+6412015+6427610(Top 97%)11760(Top 96%)11760(Top 685%)
Half13.11 mi0.68 mi28059+312013+212013+227860(Top 98%)11922(Top 97%)11922(Top 694%)
25K15.53 mi2.42 mi27976+8311963+5011963+5027397(Top 96%)11651(Top 95%)11651(Top 678%)
30K18.64 mi3.11 mi27949+2711956+711956+727631(Top 97%)11853(Top 97%)11853(Top 690%)
20M20.00 mi1.36 mi27944+511963-711963-727535(Top 97%)11841(Top 97%)11841(Top 689%)
21M21.00 mi1.00 mi27959-1511974-1111974-1127803(Top 98%)11958(Top 98%)11958(Top 696%)
35K21.75 mi0.75 mi27966-711982-811982-827766(Top 98%)11990(Top 98%)11990(Top 698%)
23M23.00 mi1.25 mi27968-211986-411986-427646(Top 97%)11925(Top 98%)11925(Top 694%)
24M24.00 mi1.00 mi27954+1411981+511981+527236(Top 96%)11774(Top 96%)11774(Top 685%)
40K24.85 mi0.85 mi27942+12119811198127289(Top 96%)11785(Top 96%)11785(Top 686%)
25.2M25.20 mi0.35 mi27939+3119811198127174(Top 96%)11744(Top 96%)11744(Top 684%)
Finish26.22 mi1.02 mi27949-1011986-511986-527902(Top 98%)12045(Top 99%)12045(Top 701%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21stories
+97ft-345ft

Overall

27966

Females

11955

F40-44

11955

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

28111

Females

12042

F40-44

12042

10K→15K

6.2 - 9.3 mi

Top 98%
×3stories
+67ft-78ft

Overall

27966

Females

11955

F40-44

11955

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

27610

Females

11760

F40-44

11760

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

27860

Females

11922

F40-44

11922

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

27397

Females

11651

F40-44

11651

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

27631

Females

11853

F40-44

11853

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

27535

Females

11841

F40-44

11841

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

27803

Females

11958

F40-44

11958

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

27766

Females

11990

F40-44

11990

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

27646

Females

11925

F40-44

11925

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

27236

Females

11774

F40-44

11774

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27289

Females

11785

F40-44

11785

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27174

Females

11744

F40-44

11744

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

27902

Females

12045

F40-44

12045

Passing Analysis

Category:
Athletes Passed
515
Passed By
189
Net Change
+326
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28275
5K → 10K5410+44#28275#28231
10K → 15K636+57#28231#28174
15K → 20K1175+112#28174#28062
20K → Half118+3#28062#28059
Half → 25K9411+83#28059#27976
25K → 30K5730+27#27976#27949
30K → 20M2520+5#27949#27944
20M → 21M1025-15#27944#27959
21M → 35K1118-7#27959#27966
35K → 23M1315-2#27966#27968
23M → 24M2612+14#27968#27954
24M → 40K208+12#27954#27942
40K → 25.2M63+3#27942#27939
25.2M → Finish818-10#27939#27949
TOTALS515189+326
📊

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