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BOSTON MARATHON 2025

Judy Libby

Bib: 22285•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 50%
Masters (Masters Women)
#0 / 6759
Top 39%
Division (F55-59)
#0 / 994
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:03
Rank: #17118
Start → 5K
25:03 | 8:04/mi
10K· 6.21 mi
50:36
Rank: #17601 (-483)
5K → 10K
25:33 | 8:13/mi
15K· 9.32 mi
1:17:17
Rank: #18355 (-754)
10K → 15K
26:41 | 8:35/mi
20K· 12.43 mi
1:43:18
Rank: #18073 (+282)
15K → 20K
26:01 | 8:22/mi
Half· 13.11 mi
1:48:55
Rank: #18030 (+43)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
2:09:58
Rank: #18034 (-4)
Half → 25K
21:03 | 8:41/mi
30K· 18.64 mi
2:36:43
Rank: #17517 (+517)
25K → 30K
26:45 | 8:37/mi
20M
2:48:34
Rank: #17321 (+196)
30K → 20M
11:51 | 8:43/mi
21M
2:58:25
Rank: #17340 (-19)
20M → 21M
9:51 | 9:51/mi
35K· 21.75 mi
3:04:49
Rank: #17268 (+72)
21M → 35K
6:24 | 8:33/mi
23M
3:16:08
Rank: #17210 (+58)
35K → 23M
11:19 | 9:02/mi
24M
3:25:13
Rank: #17222 (-12)
23M → 24M
9:05 | 9:05/mi
40K· 24.85 mi
3:32:54
Rank: #17177 (+45)
24M → 40K
7:41 | 8:59/mi
25.2M
3:36:15
Rank: #17153 (+24)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:45:01
Rank: #17146 (+7)
25.2M → Finish
8:46 | 8:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:55
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time1:56:06
Pace8:51 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1625:038:0425:03
8:04
-
10K
6.21 mi11:46:4950:368:0925:33
8:13
+0:09
15K
9.32 mi12:13:301:17:178:1826:41
8:35
+0:22
20K
12.43 mi12:39:311:43:188:1926:01
8:22
-0:13
Half
13.11 mi12:45:081:48:558:185:37
8:14
-0:08
25K
15.53 mi13:06:112:09:588:2221:03
8:41
+0:27
30K
18.64 mi13:32:562:36:438:2426:45
8:37
-0:04
20M
20.00 mi13:44:472:48:348:2611:51
8:43
+0:06
21M
21.00 mi13:54:382:58:258:309:51
9:51
+1:08
35K
21.75 mi14:01:023:04:498:306:24
8:33
-1:18
23M
23.00 mi14:12:213:16:088:3211:19
9:02
+0:29
24M
24.00 mi14:21:263:25:138:339:05
9:05
+0:03
40K
24.85 mi14:29:073:32:548:347:41
8:59
-0:06
25.2M
25.20 mi14:32:283:36:158:353:21
9:43
+0:44
Finish
26.22 mi14:41:143:45:018:358:46
8:36
-1:07

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

8:04 /mi

Average Pace

8:35 /mi

Slowest Pace

9:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:14

37% of race

Time at Steady Pace

1:41:30

45% of race

Time at Slower Pace

41:17

18% of race

Average Pace: 8:35 /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 mi11:21:1625:038:0425:03
8:04
#17118
10K
6.21 mi11:46:4950:368:0925:33
8:13
#17601
15K
9.32 mi12:13:301:17:178:1826:41
8:35
#18355
20K
12.43 mi12:39:311:43:188:1926:01
8:22
#18073
Half
13.11 mi12:45:081:48:558:185:37
8:14
#18030
25K
15.53 mi13:06:112:09:588:2221:03
8:41
#18034
30K
18.64 mi13:32:562:36:438:2426:45
8:37
#17517
20M
20.00 mi13:44:472:48:348:2611:51
8:43
#17321
21M
21.00 mi13:54:382:58:258:309:51
9:51
#17340
35K
21.75 mi14:01:023:04:498:306:24
8:33
#17268
23M
23.00 mi14:12:213:16:088:3211:19
9:02
#17210
24M
24.00 mi14:21:263:25:138:339:05
9:05
#17222
40K
24.85 mi14:29:073:32:548:347:41
8:59
#17177
25.2M
25.20 mi14:32:283:36:158:353:21
9:43
#17153
Finish
26.22 mi14:41:143:45:018:358:46
8:36
#17146
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi171185808580819866(Top 70%)7367(Top 60%)7367(Top 741%)
10K6.21 mi3.10 mi17601-4836098-2906098-29018071(Top 64%)6340(Top 52%)6340(Top 638%)
15K9.32 mi3.11 mi18355-7546538-4406538-44019866(Top 70%)7367(Top 60%)7367(Top 741%)
20K12.43 mi3.11 mi18073+2826377+1616377+16117401(Top 61%)6005(Top 49%)6005(Top 604%)
Half13.11 mi0.68 mi18030+436356+216356+2117536(Top 62%)6062(Top 50%)6062(Top 610%)
25K15.53 mi2.42 mi18034-46378-226378-2218289(Top 64%)6580(Top 54%)6580(Top 662%)
30K18.64 mi3.11 mi17517+5176132+2466132+24615468(Top 54%)5161(Top 42%)5161(Top 519%)
20M20.00 mi1.36 mi17321+1966038+946038+9415218(Top 54%)5168(Top 42%)5168(Top 520%)
21M21.00 mi1.00 mi17340-196082-446082-4417713(Top 62%)6646(Top 54%)6646(Top 669%)
35K21.75 mi0.75 mi17268+726058+246058+2415843(Top 56%)5700(Top 47%)5700(Top 573%)
23M23.00 mi1.25 mi17210+586060-26060-216495(Top 58%)6166(Top 50%)6166(Top 620%)
24M24.00 mi1.00 mi17222-126092-326092-3217808(Top 63%)6928(Top 57%)6928(Top 697%)
40K24.85 mi0.85 mi17177+456089+36089+316243(Top 57%)6175(Top 50%)6175(Top 621%)
25.2M25.20 mi0.35 mi17153+246083+66083+615751(Top 55%)5962(Top 49%)5962(Top 600%)
Finish26.22 mi1.02 mi17146+76102-196102-1916876(Top 59%)6498(Top 53%)6498(Top 654%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

19866

Females

7367

F55-59

7367

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

18071

Females

6340

F55-59

6340

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

19866

Females

7367

F55-59

7367

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

17401

Females

6005

F55-59

6005

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

17536

Females

6062

F55-59

6062

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18289

Females

6580

F55-59

6580

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

15468

Females

5161

F55-59

5161

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15218

Females

5168

F55-59

5168

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17713

Females

6646

F55-59

6646

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15843

Females

5700

F55-59

5700

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16495

Females

6166

F55-59

6166

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

17808

Females

6928

F55-59

6928

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16243

Females

6175

F55-59

6175

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15751

Females

5962

F55-59

5962

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16876

Females

6498

F55-59

6498

Passing Analysis

Category:
Athletes Passed
2115
Passed By
2143
Net Change
-28
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17118
5K → 10K130613-483#17118#17601
10K → 15K43797-754#17601#18355
15K → 20K34260+282#18355#18073
20K → Half5613+43#18073#18030
Half → 25K166170-4#18030#18034
25K → 30K54427+517#18034#17517
30K → 20M22125+196#17517#17321
20M → 21M94113-19#17321#17340
21M → 35K10634+72#17340#17268
35K → 23M13577+58#17268#17210
23M → 24M7688-12#17210#17222
24M → 40K8641+45#17222#17177
40K → 25.2M4420+24#17177#17153
25.2M → Finish7265+7#17153#17146
TOTALS21152143-28
📊

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