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BOSTON MARATHON 2025

Elizabeth Perkins

Bib: 13052•F

MD

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
7:25/mi
23:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:22
↑ 79↓ 1380.4%
15K· 9.32 mi
8:18/mi
1:12:10
↑ 67↓ 78
20K· 12.43 mi
9:04/mi
1:40:19
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:46:09
↑ 19↓ 370.5%
25K· 15.53 mi
10:40/mi
2:12:00
↑ 66↓ 880.2%
30K· 18.64 mi
10:12/mi
2:43:42
↑ 181↓ 1480.2%
20M
10:01/mi
2:57:19
↑ 64↓ 500.2%
21M
10:55/mi
3:08:14
↑ 106↓ 241.6%
35K· 21.75 mi
9:45/mi
3:15:32
↑ 17↓ 861.7%
23M
10:29/mi
3:28:39
↑ 23↓ 630.6%
24M
10:07/mi
3:38:46
↓ 821.3%
40K· 24.85 mi
10:19/mi
3:47:35
↓ 200.3%
25.2M
11:27/mi
3:51:32
↑ 13↓ 160.2%
Finish· 26.22 mi
9:22/mi
4:01:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:09
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time2:14:56
Pace10:18 /mi
📊Positive Split: 27.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0623:027:2523:02
7:25
-
10K
6.21 mi11:15:2646:227:2823:20
7:31
+0:06
15K
9.32 mi11:41:141:12:107:4525:48
8:18
+0:47
20K
12.43 mi12:09:231:40:198:0428:09
9:04
+0:46
Half
13.11 mi12:15:131:46:098:065:50
8:33
-0:31
25K
15.53 mi12:41:042:12:008:3025:51
10:40
+2:07
30K
18.64 mi13:12:462:43:428:4731:42
10:12
-0:28
20M
20.00 mi13:26:232:57:198:5213:37
10:01
-0:11
21M
21.00 mi13:37:183:08:148:5810:55
10:55
+0:54
35K
21.75 mi13:44:363:15:328:597:18
9:45
-1:10
23M
23.00 mi13:57:433:28:399:0413:07
10:29
+0:44
24M
24.00 mi14:07:503:38:469:0710:07
10:07
-0:22
40K
24.85 mi14:16:393:47:359:098:49
10:19
+0:12
25.2M
25.20 mi14:20:363:51:329:113:57
11:27
+1:08
Finish
26.22 mi14:30:094:01:059:129:33
9:22
-2:05

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

7:25 /mi

Average Pace

9:12 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:42

48% of race

Time at Steady Pace

1:24:40

35% of race

Time at Slower Pace

40:43

17% of race

Average Pace: 9:12 /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 mi10:52:0623:027:2523:02
7:25
#11487
10K
6.21 mi11:15:2646:227:2823:20
7:31
#11807
15K
9.32 mi11:41:141:12:107:4525:48
8:18
#14139
20K
12.43 mi12:09:231:40:198:0428:09
9:04
#16481
Half
13.11 mi12:15:131:46:098:065:50
8:33
#16658
25K
15.53 mi12:41:042:12:008:3025:51
10:40
#18886
30K
18.64 mi13:12:462:43:428:4731:42
10:12
#19763
20M
20.00 mi13:26:232:57:198:5213:37
10:01
#19914
21M
21.00 mi13:37:183:08:148:5810:55
10:55
#20012
35K
21.75 mi13:44:363:15:328:597:18
9:45
#20073
23M
23.00 mi13:57:433:28:399:0413:07
10:29
#20244
24M
24.00 mi14:07:503:38:469:0710:07
10:07
#20365
40K
24.85 mi14:16:393:47:359:098:49
10:19
#20436
25.2M
25.20 mi14:20:363:51:329:113:57
11:27
#20487
Finish
26.22 mi14:30:094:01:059:129:33
9:22
#20516
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi114872527252718106(Top 64%)6388(Top 52%)6388(Top 117%)
10K6.21 mi3.10 mi11807-3202712-1852712-18512223(Top 43%)2948(Top 24%)2948(Top 54%)
15K9.32 mi3.11 mi14139-23324054-13424054-134218106(Top 64%)6388(Top 52%)6388(Top 117%)
20K12.43 mi3.11 mi16481-23425422-13685422-136821274(Top 75%)8187(Top 67%)8187(Top 150%)
Half13.11 mi0.68 mi16658-1775539-1175539-11719591(Top 69%)7247(Top 59%)7247(Top 133%)
25K15.53 mi2.42 mi18886-22286853-13146853-131424652(Top 87%)10101(Top 83%)10101(Top 185%)
30K18.64 mi3.11 mi19763-8777389-5367389-53622193(Top 78%)8870(Top 73%)8870(Top 162%)
20M20.00 mi1.36 mi19914-1517496-1077496-10721016(Top 74%)8365(Top 68%)8365(Top 153%)
21M21.00 mi1.00 mi20012-987577-817577-8121180(Top 75%)8541(Top 70%)8541(Top 156%)
35K21.75 mi0.75 mi20073-617636-597636-5921202(Top 75%)8610(Top 70%)8610(Top 157%)
23M23.00 mi1.25 mi20244-1717757-1217757-12121959(Top 77%)9043(Top 74%)9043(Top 165%)
24M24.00 mi1.00 mi20365-1217832-757832-7521695(Top 76%)8960(Top 73%)8960(Top 164%)
40K24.85 mi0.85 mi20436-717889-577889-5721415(Top 75%)8879(Top 73%)8879(Top 162%)
25.2M25.20 mi0.35 mi20487-517920-317920-3121951(Top 77%)9123(Top 75%)9123(Top 167%)
Finish26.22 mi1.02 mi20516-297950-307950-3020682(Top 73%)8487(Top 69%)8487(Top 155%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

18106

Females

6388

F18-39

6388

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12223

Females

2948

F18-39

2948

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

18106

Females

6388

F18-39

6388

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

21274

Females

8187

F18-39

8187

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

19591

Females

7247

F18-39

7247

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24652

Females

10101

F18-39

10101

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

22193

Females

8870

F18-39

8870

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

21016

Females

8365

F18-39

8365

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21180

Females

8541

F18-39

8541

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

21202

Females

8610

F18-39

8610

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

21959

Females

9043

F18-39

9043

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

21695

Females

8960

F18-39

8960

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21415

Females

8879

F18-39

8879

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21951

Females

9123

F18-39

9123

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

20682

Females

8487

F18-39

8487

Passing Analysis

Category:
Athletes Passed
541
Passed By
9570
Net Change
-9029
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11487
5K → 10K128448-320#11487#11807
10K → 15K92341-2332#11807#14139
15K → 20K112353-2342#14139#16481
20K → Half5182-177#16481#16658
Half → 25K52233-2228#16658#18886
25K → 30K62939-877#18886#19763
30K → 20M59210-151#19763#19914
20M → 21M65163-98#19914#20012
21M → 35K40101-61#20012#20073
35K → 23M43214-171#20073#20244
23M → 24M21142-121#20244#20365
24M → 40K44115-71#20365#20436
40K → 25.2M859-51#20436#20487
25.2M → Finish4170-29#20487#20516
TOTALS5419570-9029
📊

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