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BOSTON MARATHON 2025

Lauren Silver

Bib: 25730•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

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
9:59/mi
31:00
↑ 97↓ 3451.5%
10K· 6.21 mi
10:30/mi
1:03:37
↑ 79↓ 1380.4%
15K· 9.32 mi
11:24/mi
1:39:01
↑ 67↓ 78
20K· 12.43 mi
13:37/mi
2:21:20
↑ 106↓ 860.1%
Half· 13.11 mi
15:45/mi
2:32:05
↑ 19↓ 370.5%
25K· 15.53 mi
14:35/mi
3:07:27
↑ 66↓ 880.2%
30K· 18.64 mi
15:23/mi
3:55:15
↑ 181↓ 1480.2%
20M
14:52/mi
4:15:27
↑ 64↓ 500.2%
21M
15:59/mi
4:31:26
↑ 106↓ 241.6%
35K· 21.75 mi
15:14/mi
4:42:50
↑ 17↓ 861.7%
23M
15:26/mi
5:02:10
↑ 23↓ 630.6%
24M
15:35/mi
5:17:45
↓ 821.3%
40K· 24.85 mi
14:44/mi
5:30:21
↓ 200.3%
25.2M
15:37/mi
5:35:44
↑ 13↓ 160.2%
Finish· 26.22 mi
12:50/mi
5:48:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:05
Pace11:36 /mi
2nd Half
Distance13.11 mi
Time3:16:44
Pace15:00 /mi
📊Positive Split: 29.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0631:009:5931:00
9:59
-
10K
6.21 mi12:22:431:03:3710:1432:37
10:30
+0:31
15K
9.32 mi12:58:071:39:0110:3735:24
11:24
+0:54
20K
12.43 mi13:40:262:21:2011:2242:19
13:37
+2:13
Half
13.11 mi13:51:112:32:0511:3610:45
15:45
+2:08
25K
15.53 mi14:26:333:07:2712:0435:22
14:35
-1:10
30K
18.64 mi15:14:213:55:1512:3747:48
15:23
+0:48
20M
20.00 mi15:34:334:15:2712:4620:12
14:52
-0:31
21M
21.00 mi15:50:324:31:2612:5615:59
15:59
+1:07
35K
21.75 mi16:01:564:42:5013:0011:24
15:14
-0:45
23M
23.00 mi16:21:165:02:1013:0819:20
15:26
+0:12
24M
24.00 mi16:36:515:17:4513:1415:35
15:35
+0:09
40K
24.85 mi16:49:275:30:2113:1712:36
14:44
-0:51
25.2M
25.20 mi16:54:505:35:4413:195:23
15:37
+0:53
Finish
26.22 mi17:07:555:48:4913:1913:05
12:50
-2:47

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

9:59 /mi

Average Pace

13:19 /mi

Slowest Pace

15:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:25

44% of race

Time at Steady Pace

2:58:25

51% of race

Time at Slower Pace

15:59

5% of race

Average Pace: 13:18 /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 mi11:50:0631:009:5931:00
9:59
#25513
10K
6.21 mi12:22:431:03:3710:1432:37
10:30
#25986
15K
9.32 mi12:58:071:39:0110:3735:24
11:24
#26492
20K
12.43 mi13:40:262:21:2011:2242:19
13:37
#27243
Half
13.11 mi13:51:112:32:0511:3610:45
15:45
#27466
25K
15.53 mi14:26:333:07:2712:0435:22
14:35
#27650
30K
18.64 mi15:14:213:55:1512:3747:48
15:23
#27818
20M
20.00 mi15:34:334:15:2712:4620:12
14:52
#27839
21M
21.00 mi15:50:324:31:2612:5615:59
15:59
#27858
35K
21.75 mi16:01:564:42:5013:0011:24
15:14
#27895
23M
23.00 mi16:21:165:02:1013:0819:20
15:26
#27935
24M
24.00 mi16:36:515:17:4513:1415:35
15:35
#27986
40K
24.85 mi16:49:275:30:2113:1712:36
14:44
#27995
25.2M
25.20 mi16:54:505:35:4413:195:23
15:37
#27989
Finish
26.22 mi17:07:555:48:4913:1913:05
12:50
#27975
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25513104891048927134(Top 96%)11457(Top 94%)11457(Top 209%)
10K6.21 mi3.10 mi25986-47310770-28110770-28126256(Top 92%)10940(Top 89%)10940(Top 200%)
15K9.32 mi3.11 mi26492-50611049-27911049-27927134(Top 96%)11457(Top 94%)11457(Top 209%)
20K12.43 mi3.11 mi27243-75111509-46011509-46028114(Top 99%)12068(Top 99%)12068(Top 221%)
Half13.11 mi0.68 mi27466-22311640-13111640-13128377(Top 100%)12216(Top 100%)12216(Top 223%)
25K15.53 mi2.42 mi27650-18411765-12511765-12528124(Top 99%)12086(Top 99%)12086(Top 221%)
30K18.64 mi3.11 mi27818-16811880-11511880-11528158(Top 99%)12117(Top 99%)12117(Top 222%)
20M20.00 mi1.36 mi27839-2111897-1711897-1727805(Top 98%)11971(Top 98%)11971(Top 219%)
21M21.00 mi1.00 mi27858-1911916-1911916-1927795(Top 98%)11952(Top 98%)11952(Top 219%)
35K21.75 mi0.75 mi27895-3711938-2211938-2228117(Top 99%)12120(Top 99%)12120(Top 222%)
23M23.00 mi1.25 mi27935-4011970-3211970-3228047(Top 99%)12109(Top 99%)12109(Top 221%)
24M24.00 mi1.00 mi27986-5111999-2911999-2928159(Top 99%)12161(Top 99%)12161(Top 222%)
40K24.85 mi0.85 mi27995-912011-1212011-1227640(Top 97%)11943(Top 98%)11943(Top 218%)
25.2M25.20 mi0.35 mi27989+612007+412007+427513(Top 97%)11896(Top 97%)11896(Top 218%)
Finish26.22 mi1.02 mi27975+1412004+312004+327525(Top 97%)11881(Top 97%)11881(Top 217%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27134

Females

11457

F18-39

11457

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

26256

Females

10940

F18-39

10940

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27134

Females

11457

F18-39

11457

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

28114

Females

12068

F18-39

12068

20K→Half

12.4 - 13.1 mi

Top 100%
×2story building
+19ft-37ft

Overall

28377

Females

12216

F18-39

12216

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

28124

Females

12086

F18-39

12086

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

28158

Females

12117

F18-39

12117

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

27805

Females

11971

F18-39

11971

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

27795

Females

11952

F18-39

11952

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

28117

Females

12120

F18-39

12120

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

28047

Females

12109

F18-39

12109

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

28159

Females

12161

F18-39

12161

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27640

Females

11943

F18-39

11943

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27513

Females

11896

F18-39

11896

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

27525

Females

11881

F18-39

11881

Passing Analysis

Category:
Athletes Passed
226
Passed By
2688
Net Change
-2462
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25513
5K → 10K67540-473#25513#25986
10K → 15K32538-506#25986#26492
15K → 20K8759-751#26492#27243
20K → Half1224-223#27243#27466
Half → 25K17201-184#27466#27650
25K → 30K13181-168#27650#27818
30K → 20M1839-21#27818#27839
20M → 21M1332-19#27839#27858
21M → 35K542-37#27858#27895
35K → 23M1151-40#27895#27935
23M → 24M455-51#27935#27986
24M → 40K817-9#27986#27995
40K → 25.2M71+6#27995#27989
25.2M → Finish228+14#27989#27975
TOTALS2262688-2462
📊

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