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BOSTON MARATHON 2025

Shirley Le

Bib: 30222•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:33
Rank: #24269
Start → 5K
29:33 | 9:31/mi
10K· 6.21 mi
1:00:08
Rank: #24682 (-413)
5K → 10K
30:35 | 9:51/mi
15K· 9.32 mi
1:31:27
Rank: #24846 (-164)
10K → 15K
31:19 | 10:05/mi
20K· 12.43 mi
2:04:59
Rank: #25150 (-304)
15K → 20K
33:32 | 10:48/mi
Half· 13.11 mi
2:12:08
Rank: #25183 (-33)
20K → Half
7:09 | 10:29/mi
25K· 15.53 mi
2:39:37
Rank: #25268 (-85)
Half → 25K
27:29 | 11:20/mi
30K· 18.64 mi
3:17:46
Rank: #25424 (-156)
25K → 30K
38:09 | 12:17/mi
20M
3:33:50
Rank: #25408 (+16)
30K → 20M
16:04 | 11:49/mi
21M
3:46:43
Rank: #25391 (+17)
20M → 21M
12:53 | 12:53/mi
35K· 21.75 mi
3:54:58
Rank: #25345 (+46)
21M → 35K
8:15 | 11:02/mi
23M
4:09:06
Rank: #25283 (+62)
35K → 23M
14:08 | 11:17/mi
24M
4:20:15
Rank: #25236 (+47)
23M → 24M
11:09 | 11:09/mi
40K· 24.85 mi
4:30:00
Rank: #25209 (+27)
24M → 40K
9:45 | 11:24/mi
25.2M
4:34:29
Rank: #25211 (-2)
40K → 25.2M
4:29 | 13:00/mi
Finish· 26.22 mi
4:46:05
Rank: #25243 (-32)
25.2M → Finish
11:36 | 11:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:08
Pace10:05 /mi
2nd Half
Distance13.11 mi
Time2:33:57
Pace11:45 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4629:339:3129:33
9:31
-
10K
6.21 mi12:19:211:00:089:4130:35
9:51
+0:20
15K
9.32 mi12:50:401:31:279:4931:19
10:05
+0:14
20K
12.43 mi13:24:122:04:5910:0333:32
10:48
+0:43
Half
13.11 mi13:31:212:12:0810:057:09
10:29
-0:19
25K
15.53 mi13:58:502:39:3710:1727:29
11:20
+0:51
30K
18.64 mi14:36:593:17:4610:3738:09
12:17
+0:57
20M
20.00 mi14:53:033:33:5010:4116:04
11:49
-0:28
21M
21.00 mi15:05:563:46:4310:4812:53
12:53
+1:04
35K
21.75 mi15:14:113:54:5810:488:15
11:02
-1:51
23M
23.00 mi15:28:194:09:0610:5014:08
11:17
+0:15
24M
24.00 mi15:39:284:20:1510:5111:09
11:09
-0:08
40K
24.85 mi15:49:134:30:0010:529:45
11:24
+0:15
25.2M
25.20 mi15:53:424:34:2910:544:29
13:00
+1:36
Finish
26.22 mi16:05:184:46:0510:5511:36
11:23
-1:37

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

9:31 /mi

Average Pace

10:55 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:36

34% of race

Time at Steady Pace

1:55:54

41% of race

Time at Slower Pace

1:11:35

25% of race

Average Pace: 10:55 /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 mi11:48:4629:339:3129:33
9:31
#24269
10K
6.21 mi12:19:211:00:089:4130:35
9:51
#24682
15K
9.32 mi12:50:401:31:279:4931:19
10:05
#24846
20K
12.43 mi13:24:122:04:5910:0333:32
10:48
#25150
Half
13.11 mi13:31:212:12:0810:057:09
10:29
#25183
25K
15.53 mi13:58:502:39:3710:1727:29
11:20
#25268
30K
18.64 mi14:36:593:17:4610:3738:09
12:17
#25424
20M
20.00 mi14:53:033:33:5010:4116:04
11:49
#25408
21M
21.00 mi15:05:563:46:4310:4812:53
12:53
#25391
35K
21.75 mi15:14:113:54:5810:488:15
11:02
#25345
23M
23.00 mi15:28:194:09:0610:5014:08
11:17
#25283
24M
24.00 mi15:39:284:20:1510:5111:09
11:09
#25236
40K
24.85 mi15:49:134:30:0010:529:45
11:24
#25209
25.2M
25.20 mi15:53:424:34:2910:544:29
13:00
#25211
Finish
26.22 mi16:05:184:46:0510:5511:36
11:23
#25243
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi242699835983525154(Top 89%)10310(Top 84%)10310(Top 791%)
10K6.21 mi3.10 mi24682-41310054-21910054-21924964(Top 88%)10217(Top 84%)10217(Top 784%)
15K9.32 mi3.11 mi24846-16410138-8410138-8425154(Top 89%)10310(Top 84%)10310(Top 791%)
20K12.43 mi3.11 mi25150-30410317-17910317-17925698(Top 90%)10640(Top 87%)10640(Top 817%)
Half13.11 mi0.68 mi25183-3310338-2110338-2125741(Top 91%)10684(Top 87%)10684(Top 820%)
25K15.53 mi2.42 mi25268-8510403-6510403-6525658(Top 90%)10668(Top 87%)10668(Top 819%)
30K18.64 mi3.11 mi25424-15610514-11110514-11125916(Top 91%)10898(Top 89%)10898(Top 836%)
20M20.00 mi1.36 mi25408+1610520-610520-625003(Top 88%)10473(Top 86%)10473(Top 804%)
21M21.00 mi1.00 mi25391+1710534-1410534-1424896(Top 88%)10515(Top 86%)10515(Top 807%)
35K21.75 mi0.75 mi25345+4610515+1910515+1924228(Top 85%)10185(Top 83%)10185(Top 782%)
23M23.00 mi1.25 mi25283+6210483+3210483+3223847(Top 84%)10029(Top 82%)10029(Top 770%)
24M24.00 mi1.00 mi25236+4710470+1310470+1324276(Top 85%)10261(Top 84%)10261(Top 787%)
40K24.85 mi0.85 mi25209+2710459+1110459+1123949(Top 84%)10147(Top 83%)10147(Top 779%)
25.2M25.20 mi0.35 mi25211-210468-910468-925001(Top 88%)10687(Top 87%)10687(Top 820%)
Finish26.22 mi1.02 mi25243-3210493-2510493-2525966(Top 91%)11134(Top 91%)11134(Top 854%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25154

Females

10310

F50-54

10310

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

24964

Females

10217

F50-54

10217

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25154

Females

10310

F50-54

10310

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

25698

Females

10640

F50-54

10640

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

25741

Females

10684

F50-54

10684

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25658

Females

10668

F50-54

10668

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

25916

Females

10898

F50-54

10898

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

25003

Females

10473

F50-54

10473

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

24896

Females

10515

F50-54

10515

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

24228

Females

10185

F50-54

10185

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23847

Females

10029

F50-54

10029

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

24276

Females

10261

F50-54

10261

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23949

Females

10147

F50-54

10147

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

25001

Females

10687

F50-54

10687

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

25966

Females

11134

F50-54

11134

Passing Analysis

Category:
Athletes Passed
774
Passed By
1748
Net Change
-974
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24269
5K → 10K90503-413#24269#24682
10K → 15K80244-164#24682#24846
15K → 20K58362-304#24846#25150
20K → Half1750-33#25150#25183
Half → 25K79164-85#25183#25268
25K → 30K64220-156#25268#25424
30K → 20M6650+16#25424#25408
20M → 21M5740+17#25408#25391
21M → 35K548+46#25391#25345
35K → 23M7412+62#25345#25283
23M → 24M6518+47#25283#25236
24M → 40K4013+27#25236#25209
40K → 25.2M1315-2#25209#25211
25.2M → Finish1749-32#25211#25243
TOTALS7741748-974
📊

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