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BOSTON MARATHON 2025

Liza Jenkins

Bib: 21641•F

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:20
Rank: #19767
Start → 5K
26:20 | 8:29/mi
10K· 6.21 mi
51:52
Rank: #18913 (+854)
5K → 10K
25:32 | 8:13/mi
15K· 9.32 mi
1:19:44
Rank: #20002 (-1089)
10K → 15K
27:52 | 8:58/mi
20K· 12.43 mi
1:46:57
Rank: #19898 (+104)
15K → 20K
27:13 | 8:46/mi
Half· 13.11 mi
1:52:49
Rank: #19896 (+2)
20K → Half
5:52 | 8:36/mi
25K· 15.53 mi
2:14:18
Rank: #19756 (+140)
Half → 25K
21:29 | 8:52/mi
30K· 18.64 mi
2:43:19
Rank: #19656 (+100)
25K → 30K
29:01 | 9:20/mi
20M
2:56:18
Rank: #19645 (+11)
30K → 20M
12:59 | 9:33/mi
21M
3:06:27
Rank: #19594 (+51)
20M → 21M
10:09 | 10:09/mi
35K· 21.75 mi
3:13:12
Rank: #19551 (+43)
21M → 35K
6:45 | 9:01/mi
23M
3:24:59
Rank: #19476 (+75)
35K → 23M
11:47 | 9:25/mi
24M
3:34:05
Rank: #19406 (+70)
23M → 24M
9:06 | 9:06/mi
40K· 24.85 mi
3:42:03
Rank: #19337 (+69)
24M → 40K
7:58 | 9:19/mi
25.2M
3:45:30
Rank: #19288 (+49)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:54:39
Rank: #19271 (+17)
25.2M → Finish
9:09 | 8:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:49
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:01:50
Pace9:18 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2426:208:2926:20
8:29
-
10K
6.21 mi11:46:5651:528:2125:32
8:13
-0:16
15K
9.32 mi12:14:481:19:448:3327:52
8:58
+0:45
20K
12.43 mi12:42:011:46:578:3627:13
8:46
-0:12
Half
13.11 mi12:47:531:52:498:365:52
8:36
-0:10
25K
15.53 mi13:09:222:14:188:3921:29
8:52
+0:16
30K
18.64 mi13:38:232:43:198:4629:01
9:20
+0:28
20M
20.00 mi13:51:222:56:188:4912:59
9:33
+0:13
21M
21.00 mi14:01:313:06:278:5310:09
10:09
+0:36
35K
21.75 mi14:08:163:13:128:536:45
9:01
-1:08
23M
23.00 mi14:20:033:24:598:5511:47
9:25
+0:24
24M
24.00 mi14:29:093:34:058:559:06
9:06
-0:19
40K
24.85 mi14:37:073:42:038:567:58
9:19
+0:13
25.2M
25.20 mi14:40:343:45:308:573:27
10:00
+0:41
Finish
26.22 mi14:49:433:54:398:579:09
8:59
-1:01

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

8:13 /mi

Average Pace

8:57 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:44

25% of race

Time at Steady Pace

1:41:34

43% of race

Time at Slower Pace

1:15:21

32% of race

Average Pace: 8:57 /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 mi11:21:2426:208:2926:20
8:29
#19767
10K
6.21 mi11:46:5651:528:2125:32
8:13
#18913
15K
9.32 mi12:14:481:19:448:3327:52
8:58
#20002
20K
12.43 mi12:42:011:46:578:3627:13
8:46
#19898
Half
13.11 mi12:47:531:52:498:365:52
8:36
#19896
25K
15.53 mi13:09:222:14:188:3921:29
8:52
#19756
30K
18.64 mi13:38:232:43:198:4629:01
9:20
#19656
20M
20.00 mi13:51:222:56:188:4912:59
9:33
#19645
21M
21.00 mi14:01:313:06:278:5310:09
10:09
#19594
35K
21.75 mi14:08:163:13:128:536:45
9:01
#19551
23M
23.00 mi14:20:033:24:598:5511:47
9:25
#19476
24M
24.00 mi14:29:093:34:058:559:06
9:06
#19406
40K
24.85 mi14:37:073:42:038:567:58
9:19
#19337
25.2M
25.20 mi14:40:343:45:308:573:27
10:00
#19288
Finish
26.22 mi14:49:433:54:398:579:09
8:59
#19271
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi197677372737221900(Top 77%)8484(Top 69%)8484(Top 468%)
10K6.21 mi3.10 mi18913+8546853+5196853+51918033(Top 63%)6315(Top 52%)6315(Top 348%)
15K9.32 mi3.11 mi20002-10897465-6127465-61221900(Top 77%)8484(Top 69%)8484(Top 468%)
20K12.43 mi3.11 mi19898+1047416+497416+4919743(Top 70%)7340(Top 60%)7340(Top 405%)
Half13.11 mi0.68 mi19896+27413+37413+319852(Top 70%)7390(Top 60%)7390(Top 408%)
25K15.53 mi2.42 mi19756+1407342+717342+7119254(Top 68%)7120(Top 58%)7120(Top 393%)
30K18.64 mi3.11 mi19656+1007327+157327+1519304(Top 68%)7288(Top 60%)7288(Top 402%)
20M20.00 mi1.36 mi19645+117346-197346-1919428(Top 68%)7483(Top 61%)7483(Top 413%)
21M21.00 mi1.00 mi19594+517346734618876(Top 66%)7274(Top 59%)7274(Top 401%)
35K21.75 mi0.75 mi19551+437336+107336+1018373(Top 65%)7116(Top 58%)7116(Top 392%)
23M23.00 mi1.25 mi19476+757326+107326+1018301(Top 64%)7138(Top 58%)7138(Top 394%)
24M24.00 mi1.00 mi19406+707311+157311+1517916(Top 63%)6993(Top 57%)6993(Top 386%)
40K24.85 mi0.85 mi19337+697282+297282+2917956(Top 63%)7110(Top 58%)7110(Top 392%)
25.2M25.20 mi0.35 mi19288+497269+137269+1317138(Top 60%)6676(Top 55%)6676(Top 368%)
Finish26.22 mi1.02 mi19271+177283-147283-1418940(Top 67%)7561(Top 62%)7561(Top 417%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21900

Females

8484

F45-49

8484

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

18033

Females

6315

F45-49

6315

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21900

Females

8484

F45-49

8484

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19743

Females

7340

F45-49

7340

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

19852

Females

7390

F45-49

7390

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

19254

Females

7120

F45-49

7120

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

19304

Females

7288

F45-49

7288

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19428

Females

7483

F45-49

7483

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18876

Females

7274

F45-49

7274

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18373

Females

7116

F45-49

7116

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

18301

Females

7138

F45-49

7138

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

17916

Females

6993

F45-49

6993

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17956

Females

7110

F45-49

7110

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17138

Females

6676

F45-49

6676

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

18940

Females

7561

F45-49

7561

Passing Analysis

Category:
Athletes Passed
2435
Passed By
1939
Net Change
+496
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19767
5K → 10K90248+854#19767#18913
10K → 15K251114-1089#18913#20002
15K → 20K236132+104#20002#19898
20K → Half2927+2#19898#19896
Half → 25K22585+140#19896#19756
25K → 30K274174+100#19756#19656
30K → 20M10493+11#19656#19645
20M → 21M12574+51#19645#19594
21M → 35K7128+43#19594#19551
35K → 23M12348+75#19551#19476
23M → 24M10232+70#19476#19406
24M → 40K9122+69#19406#19337
40K → 25.2M6112+49#19337#19288
25.2M → Finish6750+17#19288#19271
TOTALS24351939+496
📊

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