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BOSTON MARATHON 2025

June Lee

Bib: 31847•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
9:45/mi
30:19
↑ 97↓ 3451.5%
10K· 6.21 mi
9:43/mi
1:00:31
↑ 79↓ 1380.4%
15K· 9.32 mi
9:43/mi
1:30:42
↑ 67↓ 78
20K· 12.43 mi
9:52/mi
2:01:21
↑ 106↓ 860.1%
Half· 13.11 mi
9:39/mi
2:07:56
↑ 19↓ 370.5%
25K· 15.53 mi
10:10/mi
2:32:35
↑ 66↓ 880.2%
30K· 18.64 mi
10:21/mi
3:04:45
↑ 181↓ 1480.2%
20M
10:12/mi
3:18:36
↑ 64↓ 500.2%
21M
10:58/mi
3:29:34
↑ 106↓ 241.6%
35K· 21.75 mi
10:03/mi
3:37:05
↑ 17↓ 861.7%
23M
10:09/mi
3:49:47
↑ 23↓ 630.6%
24M
10:05/mi
3:59:52
↓ 821.3%
40K· 24.85 mi
10:12/mi
4:08:35
↓ 200.3%
25.2M
10:50/mi
4:12:19
↑ 13↓ 160.2%
Finish· 26.22 mi
9:26/mi
4:21:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:56
Pace9:46 /mi
2nd Half
Distance13.11 mi
Time2:14:00
Pace10:13 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:5830:199:4530:19
9:45
-
10K
6.21 mi12:26:101:00:319:4430:12
9:43
-0:02
15K
9.32 mi12:56:211:30:429:4430:11
9:43
0:00
20K
12.43 mi13:27:002:01:219:4630:39
9:52
+0:09
Half
13.11 mi13:33:352:07:569:466:35
9:39
-0:13
25K
15.53 mi13:58:142:32:359:4924:39
10:10
+0:31
30K
18.64 mi14:30:243:04:459:5532:10
10:21
+0:11
20M
20.00 mi14:44:153:18:369:5613:51
10:12
-0:09
21M
21.00 mi14:55:133:29:349:5910:58
10:58
+0:46
35K
21.75 mi15:02:443:37:059:597:31
10:03
-0:55
23M
23.00 mi15:15:263:49:479:5912:42
10:09
+0:06
24M
24.00 mi15:25:313:59:5210:0010:05
10:05
-0:04
40K
24.85 mi15:34:144:08:3510:008:43
10:12
+0:07
25.2M
25.20 mi15:37:584:12:1910:013:44
10:50
+0:38
Finish
26.22 mi15:47:354:21:5610:009:37
9:26
-1:24

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

9:26 /mi

Average Pace

10:00 /mi

Slowest Pace

10:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:07:14

94% of race

Time at Steady Pace

14:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:59 /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 mi11:55:5830:199:4530:19
9:45
#24995
10K
6.21 mi12:26:101:00:319:4430:12
9:43
#24838
15K
9.32 mi12:56:211:30:429:4430:11
9:43
#24656
20K
12.43 mi13:27:002:01:219:4630:39
9:52
#24461
Half
13.11 mi13:33:352:07:569:466:35
9:39
#24439
25K
15.53 mi13:58:142:32:359:4924:39
10:10
#24306
30K
18.64 mi14:30:243:04:459:5532:10
10:21
#23993
20M
20.00 mi14:44:153:18:369:5613:51
10:12
#23818
21M
21.00 mi14:55:133:29:349:5910:58
10:58
#23670
35K
21.75 mi15:02:443:37:059:597:31
10:03
#23608
23M
23.00 mi15:15:263:49:479:5912:42
10:09
#23448
24M
24.00 mi15:25:313:59:5210:0010:05
10:05
#23370
40K
24.85 mi15:34:144:08:3510:008:43
10:12
#23271
25.2M
25.20 mi15:37:584:12:1910:013:44
10:50
#23223
Finish
26.22 mi15:47:354:21:5610:009:37
9:26
#23154
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24995102071020724331(Top 86%)9862(Top 81%)9862(Top 180%)
10K6.21 mi3.10 mi24838+15710145+6210145+6224675(Top 87%)10058(Top 82%)10058(Top 184%)
15K9.32 mi3.11 mi24656+18210041+10410041+10424331(Top 86%)9862(Top 81%)9862(Top 180%)
20K12.43 mi3.11 mi24461+1959953+889953+8823929(Top 84%)9664(Top 79%)9664(Top 177%)
Half13.11 mi0.68 mi24439+229941+129941+1223983(Top 84%)9694(Top 79%)9694(Top 177%)
25K15.53 mi2.42 mi24306+1339883+589883+5823655(Top 83%)9564(Top 78%)9564(Top 175%)
30K18.64 mi3.11 mi23993+3139723+1609723+16022606(Top 80%)9110(Top 75%)9110(Top 167%)
20M20.00 mi1.36 mi23818+1759653+709653+7021567(Top 76%)8672(Top 71%)8672(Top 159%)
21M21.00 mi1.00 mi23670+1489595+589595+5821317(Top 75%)8611(Top 70%)8611(Top 157%)
35K21.75 mi0.75 mi23608+629567+289567+2822061(Top 78%)9069(Top 74%)9069(Top 166%)
23M23.00 mi1.25 mi23448+1609504+639504+6320961(Top 74%)8538(Top 70%)8538(Top 156%)
24M24.00 mi1.00 mi23370+789476+289476+2821612(Top 76%)8921(Top 73%)8921(Top 163%)
40K24.85 mi0.85 mi23271+999445+319445+3121082(Top 74%)8710(Top 71%)8710(Top 159%)
25.2M25.20 mi0.35 mi23223+489427+189427+1820176(Top 71%)8266(Top 68%)8266(Top 151%)
Finish26.22 mi1.02 mi23154+699410+179410+1720983(Top 74%)8654(Top 71%)8654(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

24331

Females

9862

F18-39

9862

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24675

Females

10058

F18-39

10058

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

24331

Females

9862

F18-39

9862

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23929

Females

9664

F18-39

9664

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23983

Females

9694

F18-39

9694

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23655

Females

9564

F18-39

9564

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22606

Females

9110

F18-39

9110

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21567

Females

8672

F18-39

8672

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21317

Females

8611

F18-39

8611

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22061

Females

9069

F18-39

9069

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

20961

Females

8538

F18-39

8538

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

21612

Females

8921

F18-39

8921

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21082

Females

8710

F18-39

8710

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20176

Females

8266

F18-39

8266

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

20983

Females

8654

F18-39

8654

Passing Analysis

Category:
Athletes Passed
2247
Passed By
406
Net Change
+1841
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24995
5K → 10K285128+157#24995#24838
10K → 15K23250+182#24838#24656
15K → 20K24146+195#24656#24461
20K → Half3614+22#24461#24439
Half → 25K18350+133#24439#24306
25K → 30K34532+313#24306#23993
30K → 20M1827+175#23993#23818
20M → 21M16416+148#23818#23670
21M → 35K7715+62#23670#23608
35K → 23M17313+160#23608#23448
23M → 24M9012+78#23448#23370
24M → 40K1078+99#23370#23271
40K → 25.2M491+48#23271#23223
25.2M → Finish8314+69#23223#23154
TOTALS2247406+1841
📊

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