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BOSTON MARATHON 2025

Mary Lapidas

Bib: 15829•F

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 21%
Division (F18-39)
#0 / 5469
Top 36%
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
7:31/mi
23:20
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:32/mi
1:10:03
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:33:33
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:38:40
↑ 19↓ 370.5%
25K· 15.53 mi
7:33/mi
1:56:59
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:21:15
↑ 181↓ 1480.2%
20M
7:57/mi
2:32:03
↑ 64↓ 500.2%
21M
8:27/mi
2:40:30
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:46:05
↑ 17↓ 861.7%
23M
7:57/mi
2:56:02
↑ 23↓ 630.6%
24M
7:41/mi
3:03:43
↓ 821.3%
40K· 24.85 mi
7:56/mi
3:10:30
↓ 200.3%
25.2M
8:56/mi
3:13:35
↑ 13↓ 160.2%
Finish· 26.22 mi
7:48/mi
3:21:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:40
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:42:52
Pace7:51 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4723:207:3123:20
7:31
-
10K
6.21 mi11:19:0746:407:3123:20
7:31
0:00
15K
9.32 mi11:42:301:10:037:3123:23
7:32
+0:01
20K
12.43 mi12:06:001:33:337:3223:30
7:34
+0:02
Half
13.11 mi12:11:071:38:407:325:07
7:30
-0:04
25K
15.53 mi12:29:261:56:597:3218:19
7:33
+0:03
30K
18.64 mi12:53:422:21:157:3524:16
7:49
+0:16
20M
20.00 mi13:04:302:32:037:3610:48
7:57
+0:08
21M
21.00 mi13:12:572:40:307:398:27
8:27
+0:30
35K
21.75 mi13:18:322:46:057:385:35
7:28
-0:59
23M
23.00 mi13:28:292:56:027:399:57
7:57
+0:29
24M
24.00 mi13:36:103:03:437:397:41
7:41
-0:16
40K
24.85 mi13:42:573:10:307:406:47
7:56
+0:15
25.2M
25.20 mi13:46:023:13:357:413:05
8:56
+1:00
Finish
26.22 mi13:53:593:21:327:427:57
7:48
-1:08

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

7:28 /mi

Average Pace

7:42 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:00

94% of race

Time at Steady Pace

8:27

4% of race

Time at Slower Pace

3:05

2% of race

Average Pace: 7:41 /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 mi10:55:4723:207:3123:20
7:31
#12360
10K
6.21 mi11:19:0746:407:3123:20
7:31
#12229
15K
9.32 mi11:42:301:10:037:3123:23
7:32
#12129
20K
12.43 mi12:06:001:33:337:3223:30
7:34
#11876
Half
13.11 mi12:11:071:38:407:325:07
7:30
#11867
25K
15.53 mi12:29:261:56:597:3218:19
7:33
#11599
30K
18.64 mi12:53:422:21:157:3524:16
7:49
#11260
20M
20.00 mi13:04:302:32:037:3610:48
7:57
#11103
21M
21.00 mi13:12:572:40:307:398:27
8:27
#11018
35K
21.75 mi13:18:322:46:057:385:35
7:28
#10895
23M
23.00 mi13:28:292:56:027:399:57
7:57
#10765
24M
24.00 mi13:36:103:03:437:397:41
7:41
#10663
40K
24.85 mi13:42:573:10:307:406:47
7:56
#10595
25.2M
25.20 mi13:46:023:13:357:413:05
8:56
#10589
Finish
26.22 mi13:53:593:21:327:427:57
7:48
#10599
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi123602994299412007(Top 42%)2902(Top 24%)2902(Top 53%)
10K6.21 mi3.10 mi12229+1312927+672927+6712204(Top 43%)2929(Top 24%)2929(Top 54%)
15K9.32 mi3.11 mi12129+1002908+192908+1912007(Top 42%)2902(Top 24%)2902(Top 53%)
20K12.43 mi3.11 mi11876+2532804+1042804+10411292(Top 40%)2623(Top 21%)2623(Top 48%)
Half13.11 mi0.68 mi11867+92810-62810-611748(Top 41%)2787(Top 23%)2787(Top 51%)
25K15.53 mi2.42 mi11599+2682704+1062704+10610416(Top 37%)2292(Top 19%)2292(Top 42%)
30K18.64 mi3.11 mi11260+3392600+1042600+10410047(Top 35%)2314(Top 19%)2314(Top 42%)
20M20.00 mi1.36 mi11103+1572557+432557+4310109(Top 36%)2484(Top 20%)2484(Top 45%)
21M21.00 mi1.00 mi11018+852554+32554+310176(Top 36%)2691(Top 22%)2691(Top 49%)
35K21.75 mi0.75 mi10895+1232519+352519+358431(Top 30%)1872(Top 15%)1872(Top 34%)
23M23.00 mi1.25 mi10765+1302494+252494+259657(Top 34%)2576(Top 21%)2576(Top 47%)
24M24.00 mi1.00 mi10663+1022482+122482+129043(Top 32%)2351(Top 19%)2351(Top 43%)
40K24.85 mi0.85 mi10595+682468+142468+149725(Top 34%)2784(Top 23%)2784(Top 51%)
25.2M25.20 mi0.35 mi10589+62482-142482-1411497(Top 40%)3734(Top 31%)3734(Top 68%)
Finish26.22 mi1.02 mi10599-102520-382520-3811466(Top 40%)3683(Top 30%)3683(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

12007

Females

2902

F18-39

2902

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12204

Females

2929

F18-39

2929

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

12007

Females

2902

F18-39

2902

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11292

Females

2623

F18-39

2623

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11748

Females

2787

F18-39

2787

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10416

Females

2292

F18-39

2292

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

10047

Females

2314

F18-39

2314

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10109

Females

2484

F18-39

2484

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10176

Females

2691

F18-39

2691

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8431

Females

1872

F18-39

1872

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9657

Females

2576

F18-39

2576

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

9043

Females

2351

F18-39

2351

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9725

Females

2784

F18-39

2784

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

11497

Females

3734

F18-39

3734

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11466

Females

3683

F18-39

3683

Passing Analysis

Category:
Athletes Passed
2611
Passed By
850
Net Change
+1761
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12360
5K → 10K328197+131#12360#12229
10K → 15K239139+100#12229#12129
15K → 20K32471+253#12129#11876
20K → Half4031+9#11876#11867
Half → 25K30133+268#11867#11599
25K → 30K40667+339#11599#11260
30K → 20M19437+157#11260#11103
20M → 21M14055+85#11103#11018
21M → 35K1329+123#11018#10895
35K → 23M16737+130#10895#10765
23M → 24M13028+102#10765#10663
24M → 40K9426+68#10663#10595
40K → 25.2M4640+6#10595#10589
25.2M → Finish7080-10#10589#10599
TOTALS2611850+1761
📊

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