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BOSTON MARATHON 2025

Jill Lieber

Bib: 24254•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 49%
Division (F55-59)
#0 / 994
Top 31%
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
8:41/mi
26:58
↑ 97↓ 3451.5%
10K· 6.21 mi
8:34/mi
53:36
↑ 79↓ 1380.4%
15K· 9.32 mi
8:35/mi
1:20:16
↑ 67↓ 78
20K· 12.43 mi
8:43/mi
1:47:22
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:53:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:50/mi
2:14:41
↑ 66↓ 880.2%
30K· 18.64 mi
9:12/mi
2:43:17
↑ 181↓ 1480.2%
20M
9:18/mi
2:55:55
↑ 64↓ 500.2%
21M
9:40/mi
3:05:35
↑ 106↓ 241.6%
35K· 21.75 mi
9:03/mi
3:12:21
↑ 17↓ 861.7%
23M
9:10/mi
3:23:50
↑ 23↓ 630.6%
24M
8:56/mi
3:32:46
↓ 821.3%
40K· 24.85 mi
9:02/mi
3:40:29
↓ 200.3%
25.2M
9:49/mi
3:43:52
↑ 13↓ 160.2%
Finish· 26.22 mi
8:35/mi
3:52:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:17
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time1:59:20
Pace9:06 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5426:588:4126:58
8:41
-
10K
6.21 mi11:51:3253:368:3826:38
8:34
-0:07
15K
9.32 mi12:18:121:20:168:3726:40
8:35
+0:01
20K
12.43 mi12:45:181:47:228:3827:06
8:43
+0:08
Half
13.11 mi12:51:131:53:178:385:55
8:40
-0:03
25K
15.53 mi13:12:372:14:418:4021:24
8:50
+0:10
30K
18.64 mi13:41:132:43:178:4628:36
9:12
+0:22
20M
20.00 mi13:53:512:55:558:4812:38
9:18
+0:06
21M
21.00 mi14:03:313:05:358:509:40
9:40
+0:22
35K
21.75 mi14:10:173:12:218:516:46
9:03
-0:37
23M
23.00 mi14:21:463:23:508:5211:29
9:10
+0:07
24M
24.00 mi14:30:423:32:468:528:56
8:56
-0:14
40K
24.85 mi14:38:253:40:298:527:43
9:02
+0:06
25.2M
25.20 mi14:41:483:43:528:533:23
9:49
+0:47
Finish
26.22 mi14:50:333:52:378:538:45
8:35
-1:14

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

8:34 /mi

Average Pace

8:53 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:39:34

94% of race

Time at Steady Pace

13:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:52 /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 mi11:24:5426:588:4126:58
8:41
#20921
10K
6.21 mi11:51:3253:368:3826:38
8:34
#20540
15K
9.32 mi12:18:121:20:168:3726:40
8:35
#20272
20K
12.43 mi12:45:181:47:228:3827:06
8:43
#20088
Half
13.11 mi12:51:131:53:178:385:55
8:40
#20070
25K
15.53 mi13:12:372:14:418:4021:24
8:50
#19893
30K
18.64 mi13:41:132:43:178:4628:36
9:12
#19646
20M
20.00 mi13:53:512:55:558:4812:38
9:18
#19542
21M
21.00 mi14:03:313:05:358:509:40
9:40
#19372
35K
21.75 mi14:10:173:12:218:516:46
9:03
#19340
23M
23.00 mi14:21:463:23:508:5211:29
9:10
#19204
24M
24.00 mi14:30:423:32:468:528:56
8:56
#19117
40K
24.85 mi14:38:253:40:298:527:43
9:02
#18989
25.2M
25.20 mi14:41:483:43:528:533:23
9:49
#18947
Finish
26.22 mi14:50:333:52:378:538:45
8:35
#18872
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi209218031803119837(Top 70%)7353(Top 60%)7353(Top 740%)
10K6.21 mi3.10 mi20540+3817794+2377794+23720218(Top 71%)7590(Top 62%)7590(Top 764%)
15K9.32 mi3.11 mi20272+2687624+1707624+17019837(Top 70%)7353(Top 60%)7353(Top 740%)
20K12.43 mi3.11 mi20088+1847520+1047520+10419538(Top 69%)7224(Top 59%)7224(Top 727%)
Half13.11 mi0.68 mi20070+187514+67514+620221(Top 71%)7594(Top 62%)7594(Top 764%)
25K15.53 mi2.42 mi19893+1777419+957419+9519069(Top 67%)7010(Top 57%)7010(Top 705%)
30K18.64 mi3.11 mi19646+2477324+957324+9518662(Top 66%)6928(Top 57%)6928(Top 697%)
20M20.00 mi1.36 mi19542+1047285+397285+3918297(Top 64%)6888(Top 56%)6888(Top 693%)
21M21.00 mi1.00 mi19372+1707219+667219+6616902(Top 60%)6212(Top 51%)6212(Top 625%)
35K21.75 mi0.75 mi19340+327211+87211+818476(Top 65%)7176(Top 59%)7176(Top 722%)
23M23.00 mi1.25 mi19204+1367166+457166+4517217(Top 61%)6570(Top 54%)6570(Top 661%)
24M24.00 mi1.00 mi19117+877132+347132+3417048(Top 60%)6530(Top 53%)6530(Top 657%)
40K24.85 mi0.85 mi18989+1287094+387094+3816491(Top 58%)6314(Top 52%)6314(Top 635%)
25.2M25.20 mi0.35 mi18947+427080+147080+1416232(Top 57%)6217(Top 51%)6217(Top 625%)
Finish26.22 mi1.02 mi18872+757059+217059+2116796(Top 59%)6457(Top 53%)6457(Top 650%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

19837

Females

7353

F55-59

7353

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20218

Females

7590

F55-59

7590

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

19837

Females

7353

F55-59

7353

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

19538

Females

7224

F55-59

7224

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20221

Females

7594

F55-59

7594

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

19069

Females

7010

F55-59

7010

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

18662

Females

6928

F55-59

6928

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18297

Females

6888

F55-59

6888

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

16902

Females

6212

F55-59

6212

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

18476

Females

7176

F55-59

7176

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17217

Females

6570

F55-59

6570

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

17048

Females

6530

F55-59

6530

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16491

Females

6314

F55-59

6314

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16232

Females

6217

F55-59

6217

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16796

Females

6457

F55-59

6457

Passing Analysis

Category:
Athletes Passed
2734
Passed By
685
Net Change
+2049
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20921
5K → 10K527146+381#20921#20540
10K → 15K33971+268#20540#20272
15K → 20K27288+184#20272#20088
20K → Half4022+18#20088#20070
Half → 25K24063+177#20070#19893
25K → 30K351104+247#19893#19646
30K → 20M14844+104#19646#19542
20M → 21M19121+170#19542#19372
21M → 35K6028+32#19372#19340
35K → 23M16630+136#19340#19204
23M → 24M10821+87#19204#19117
24M → 40K14113+128#19117#18989
40K → 25.2M519+42#18989#18947
25.2M → Finish10025+75#18947#18872
TOTALS2734685+2049
📊

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