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BOSTON MARATHON 2025

Lauren Adams

Bib: 19051•F

ID

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 29%
Masters (Masters Women)
#0 / 6759
Top 14%
Division (F40-44)
#0 / 1718
Top 30%
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
7:49/mi
24:17
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
48:41
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:13:19
↑ 67↓ 78
20K· 12.43 mi
7:51/mi
1:37:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:42:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:02:12
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:27:26
↑ 181↓ 1480.2%
20M
8:11/mi
2:38:33
↑ 64↓ 500.2%
21M
8:42/mi
2:47:15
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:53:08
↑ 17↓ 861.7%
23M
8:00/mi
3:03:09
↑ 23↓ 630.6%
24M
7:36/mi
3:10:45
↓ 821.3%
40K· 24.85 mi
7:50/mi
3:17:27
↓ 200.3%
25.2M
8:33/mi
3:20:24
↑ 13↓ 160.2%
Finish· 26.22 mi
7:42/mi
3:28:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:58
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:45:17
Pace8:02 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4224:177:4924:17
7:49
-
10K
6.21 mi11:39:0648:417:5024:24
7:51
+0:02
15K
9.32 mi12:03:441:13:197:5224:38
7:56
+0:05
20K
12.43 mi12:28:081:37:437:5224:24
7:51
-0:05
Half
13.11 mi12:33:231:42:587:515:15
7:42
-0:09
25K
15.53 mi12:52:372:02:127:5219:14
7:56
+0:14
30K
18.64 mi13:17:512:27:267:5525:14
8:07
+0:11
20M
20.00 mi13:28:582:38:337:5611:07
8:11
+0:04
21M
21.00 mi13:37:402:47:157:588:42
8:42
+0:31
35K
21.75 mi13:43:332:53:087:585:53
7:52
-0:50
23M
23.00 mi13:53:343:03:097:5810:01
8:00
+0:08
24M
24.00 mi14:01:103:10:457:577:36
7:36
-0:24
40K
24.85 mi14:07:523:17:277:576:42
7:50
+0:14
25.2M
25.20 mi14:10:493:20:247:572:57
8:33
+0:43
Finish
26.22 mi14:18:403:28:157:577:51
7:42
-0:51

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

7:36 /mi

Average Pace

7:57 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:36

94% of race

Time at Steady Pace

11:39

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:14:4224:177:4924:17
7:49
#14964
10K
6.21 mi11:39:0648:417:5024:24
7:51
#15102
15K
9.32 mi12:03:441:13:197:5224:38
7:56
#15214
20K
12.43 mi12:28:081:37:437:5224:24
7:51
#14781
Half
13.11 mi12:33:231:42:587:515:15
7:42
#14705
25K
15.53 mi12:52:372:02:127:5219:14
7:56
#14442
30K
18.64 mi13:17:512:27:267:5525:14
8:07
#13957
20M
20.00 mi13:28:582:38:337:5611:07
8:11
#13739
21M
21.00 mi13:37:402:47:157:588:42
8:42
#13587
35K
21.75 mi13:43:332:53:087:585:53
7:52
#13483
23M
23.00 mi13:53:343:03:097:5810:01
8:00
#13247
24M
24.00 mi14:01:103:10:457:577:36
7:36
#13024
40K
24.85 mi14:07:523:17:277:576:42
7:50
#12853
25.2M
25.20 mi14:10:493:20:247:572:57
8:33
#12773
Finish
26.22 mi14:18:403:28:157:577:51
7:42
#12664
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi149644505450515470(Top 54%)4837(Top 40%)4837(Top 282%)
10K6.21 mi3.10 mi15102-1384604-994604-9915292(Top 54%)4712(Top 39%)4712(Top 274%)
15K9.32 mi3.11 mi15214-1124684-804684-8015470(Top 54%)4837(Top 40%)4837(Top 282%)
20K12.43 mi3.11 mi14781+4334462+2224462+22213717(Top 48%)3936(Top 32%)3936(Top 229%)
Half13.11 mi0.68 mi14705+764412+504412+5013405(Top 47%)3716(Top 30%)3716(Top 216%)
25K15.53 mi2.42 mi14442+2634299+1134299+11313373(Top 47%)3862(Top 32%)3862(Top 225%)
30K18.64 mi3.11 mi13957+4854079+2204079+22012258(Top 43%)3420(Top 28%)3420(Top 199%)
20M20.00 mi1.36 mi13739+2183985+943985+9411706(Top 41%)3304(Top 27%)3304(Top 192%)
21M21.00 mi1.00 mi13587+1523942+433942+4311697(Top 41%)3447(Top 28%)3447(Top 201%)
35K21.75 mi0.75 mi13483+1043905+373905+3711347(Top 40%)3299(Top 27%)3299(Top 192%)
23M23.00 mi1.25 mi13247+2363810+953810+9510072(Top 35%)2784(Top 23%)2784(Top 162%)
24M24.00 mi1.00 mi13024+2233717+933717+938457(Top 30%)2089(Top 17%)2089(Top 122%)
40K24.85 mi0.85 mi12853+1713648+693648+699091(Top 32%)2512(Top 21%)2512(Top 146%)
25.2M25.20 mi0.35 mi12773+803617+313617+319226(Top 32%)2663(Top 22%)2663(Top 155%)
Finish26.22 mi1.02 mi12664+1093588+293588+2910759(Top 38%)3353(Top 27%)3353(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15470

Females

4837

F40-44

4837

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

15292

Females

4712

F40-44

4712

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15470

Females

4837

F40-44

4837

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13717

Females

3936

F40-44

3936

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

13405

Females

3716

F40-44

3716

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

13373

Females

3862

F40-44

3862

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12258

Females

3420

F40-44

3420

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11706

Females

3304

F40-44

3304

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

11697

Females

3447

F40-44

3447

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11347

Females

3299

F40-44

3299

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

10072

Females

2784

F40-44

2784

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8457

Females

2089

F40-44

2089

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9091

Females

2512

F40-44

2512

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9226

Females

2663

F40-44

2663

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10759

Females

3353

F40-44

3353

Passing Analysis

Category:
Athletes Passed
3182
Passed By
882
Net Change
+2300
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14964
5K → 10K227365-138#14964#15102
10K → 15K174286-112#15102#15214
15K → 20K45926+433#15214#14781
20K → Half815+76#14781#14705
Half → 25K30643+263#14705#14442
25K → 30K52843+485#14442#13957
30K → 20M23921+218#13957#13739
20M → 21M18533+152#13739#13587
21M → 35K11511+104#13587#13483
35K → 23M2404+236#13483#13247
23M → 24M2296+223#13247#13024
24M → 40K1765+171#13024#12853
40K → 25.2M866+80#12853#12773
25.2M → Finish13728+109#12773#12664
TOTALS3182882+2300
📊

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