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BOSTON MARATHON 2025

Stephanie Lee

Bib: 13239•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 35%
Gender (Female)
#0 / 12228
Top 18%
Division (F18-39)
#0 / 5469
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:07
Rank: #8830
Start → 5K
22:07 | 7:07/mi
10K· 6.21 mi
44:28
Rank: #9094 (-264)
5K → 10K
22:21 | 7:12/mi
15K· 9.32 mi
1:07:39
Rank: #9837 (-743)
10K → 15K
23:11 | 7:28/mi
20K· 12.43 mi
1:31:11
Rank: #10193 (-356)
15K → 20K
23:32 | 7:34/mi
Half· 13.11 mi
1:36:15
Rank: #10236 (-43)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:55:01
Rank: #10492 (-256)
Half → 25K
18:46 | 7:44/mi
30K· 18.64 mi
2:19:35
Rank: #10478 (+14)
25K → 30K
24:34 | 7:54/mi
20M
2:30:38
Rank: #10533 (-55)
30K → 20M
11:03 | 8:08/mi
21M
2:39:01
Rank: #10458 (+75)
20M → 21M
8:23 | 8:23/mi
35K· 21.75 mi
2:44:38
Rank: #10368 (+90)
21M → 35K
5:37 | 7:30/mi
23M
2:54:27
Rank: #10231 (+137)
35K → 23M
9:49 | 7:50/mi
24M
3:02:12
Rank: #10153 (+78)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
3:08:50
Rank: #10049 (+104)
24M → 40K
6:38 | 7:45/mi
25.2M
3:11:47
Rank: #10032 (+17)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:19:36
Rank: #10025 (+7)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:15
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:43:21
Pace7:53 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5522:077:0722:07
7:07
-
10K
6.21 mi11:14:1644:287:0922:21
7:12
+0:05
15K
9.32 mi11:37:271:07:397:1523:11
7:28
+0:16
20K
12.43 mi12:00:591:31:117:2023:32
7:34
+0:06
Half
13.11 mi12:06:031:36:157:215:04
7:26
-0:08
25K
15.53 mi12:24:491:55:017:2418:46
7:44
+0:18
30K
18.64 mi12:49:232:19:357:2924:34
7:54
+0:10
20M
20.00 mi13:00:262:30:387:3211:03
8:08
+0:14
21M
21.00 mi13:08:492:39:017:348:23
8:23
+0:15
35K
21.75 mi13:14:262:44:387:345:37
7:30
-0:53
23M
23.00 mi13:24:152:54:277:359:49
7:50
+0:20
24M
24.00 mi13:32:003:02:127:367:45
7:45
-0:05
40K
24.85 mi13:38:383:08:507:366:38
7:45
0:00
25.2M
25.20 mi13:41:353:11:477:372:57
8:33
+0:48
Finish
26.22 mi13:49:243:19:367:377:49
7:40
-0:53

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

7:07 /mi

Average Pace

7:37 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:20

39% of race

Time at Steady Pace

1:38:53

50% of race

Time at Slower Pace

22:23

11% of race

Average Pace: 7:37 /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 mi10:51:5522:077:0722:07
7:07
#8830
10K
6.21 mi11:14:1644:287:0922:21
7:12
#9094
15K
9.32 mi11:37:271:07:397:1523:11
7:28
#9837
20K
12.43 mi12:00:591:31:117:2023:32
7:34
#10193
Half
13.11 mi12:06:031:36:157:215:04
7:26
#10236
25K
15.53 mi12:24:491:55:017:2418:46
7:44
#10492
30K
18.64 mi12:49:232:19:357:2924:34
7:54
#10478
20M
20.00 mi13:00:262:30:387:3211:03
8:08
#10533
21M
21.00 mi13:08:492:39:017:348:23
8:23
#10458
35K
21.75 mi13:14:262:44:387:345:37
7:30
#10368
23M
23.00 mi13:24:152:54:277:359:49
7:50
#10231
24M
24.00 mi13:32:003:02:127:367:45
7:45
#10153
40K
24.85 mi13:38:383:08:507:366:38
7:45
#10049
25.2M
25.20 mi13:41:353:11:477:372:57
8:33
#10032
Finish
26.22 mi13:49:243:19:367:377:49
7:40
#10025
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi88301302130211452(Top 40%)2606(Top 21%)2606(Top 48%)
10K6.21 mi3.10 mi9094-2641417-1151417-1159452(Top 33%)1581(Top 13%)1581(Top 29%)
15K9.32 mi3.11 mi9837-7431764-3471764-34711452(Top 40%)2606(Top 21%)2606(Top 48%)
20K12.43 mi3.11 mi10193-3561958-1941958-19411391(Top 40%)2676(Top 22%)2676(Top 49%)
Half13.11 mi0.68 mi10236-431983-251983-2511147(Top 39%)2488(Top 20%)2488(Top 45%)
25K15.53 mi2.42 mi10492-2562126-1432126-14311866(Top 42%)3041(Top 25%)3041(Top 56%)
30K18.64 mi3.11 mi10478+142195-692195-6910699(Top 38%)2641(Top 22%)2641(Top 48%)
20M20.00 mi1.36 mi10533-552271-762271-7611346(Top 40%)3100(Top 25%)3100(Top 57%)
21M21.00 mi1.00 mi10458+752274-32274-39769(Top 34%)2498(Top 20%)2498(Top 46%)
35K21.75 mi0.75 mi10368+902247+272247+278725(Top 31%)2004(Top 16%)2004(Top 37%)
23M23.00 mi1.25 mi10231+1372230+172230+178895(Top 31%)2205(Top 18%)2205(Top 40%)
24M24.00 mi1.00 mi10153+782217+132217+139473(Top 33%)2550(Top 21%)2550(Top 47%)
40K24.85 mi0.85 mi10049+1042198+192198+198514(Top 30%)2229(Top 18%)2229(Top 41%)
25.2M25.20 mi0.35 mi10032+172208-102208-109161(Top 32%)2598(Top 21%)2598(Top 48%)
Finish26.22 mi1.02 mi10025+72234-262234-2610494(Top 37%)3209(Top 26%)3209(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11452

Females

2606

F18-39

2606

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9452

Females

1581

F18-39

1581

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11452

Females

2606

F18-39

2606

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11391

Females

2676

F18-39

2676

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11147

Females

2488

F18-39

2488

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

11866

Females

3041

F18-39

3041

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10699

Females

2641

F18-39

2641

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11346

Females

3100

F18-39

3100

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9769

Females

2498

F18-39

2498

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8725

Females

2004

F18-39

2004

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8895

Females

2205

F18-39

2205

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9473

Females

2550

F18-39

2550

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8514

Females

2229

F18-39

2229

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9161

Females

2598

F18-39

2598

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10494

Females

3209

F18-39

3209

Passing Analysis

Category:
Athletes Passed
1474
Passed By
2665
Net Change
-1195
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8830
5K → 10K119383-264#8830#9094
10K → 15K33775-743#9094#9837
15K → 20K91445-356#9837#10193
20K → Half1760-43#10193#10236
Half → 25K95351-256#10236#10492
25K → 30K235220+14#10492#10478
30K → 20M102157-55#10478#10533
20M → 21M14469+75#10533#10458
21M → 35K10313+90#10458#10368
35K → 23M16932+137#10368#10231
23M → 24M11840+78#10231#10153
24M → 40K13026+104#10153#10049
40K → 25.2M4326+17#10049#10032
25.2M → Finish7568+7#10032#10025
TOTALS14742665-1195
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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