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BOSTON MARATHON 2025

Lori Ladzinski

Bib: 22092•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 40%
Masters (Masters Women)
#0 / 6759
Top 26%
Division (F45-49)
#0 / 1813
Top 32%
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
8:09/mi
25:20
↑ 97↓ 3451.5%
10K· 6.21 mi
8:09/mi
50:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:10/mi
1:16:01
↑ 67↓ 78
20K· 12.43 mi
8:12/mi
1:41:29
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:47:03
↑ 19↓ 370.5%
25K· 15.53 mi
8:22/mi
2:07:19
↑ 66↓ 880.2%
30K· 18.64 mi
8:52/mi
2:34:51
↑ 181↓ 1480.2%
20M
8:58/mi
2:47:02
↑ 64↓ 500.2%
21M
9:01/mi
2:56:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
3:02:01
↑ 17↓ 861.7%
23M
8:07/mi
3:12:11
↑ 23↓ 630.6%
24M
7:43/mi
3:19:54
↓ 821.3%
40K· 24.85 mi
7:36/mi
3:26:24
↓ 200.3%
25.2M
8:30/mi
3:29:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:34/mi
3:37:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:03
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:50:00
Pace8:23 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0125:208:0925:20
8:09
-
10K
6.21 mi11:46:2050:398:0925:19
8:09
0:00
15K
9.32 mi12:11:421:16:018:0925:22
8:10
+0:01
20K
12.43 mi12:37:101:41:298:1025:28
8:12
+0:02
Half
13.11 mi12:42:441:47:038:105:34
8:10
-0:02
25K
15.53 mi13:03:002:07:198:1220:16
8:22
+0:12
30K
18.64 mi13:30:322:34:518:1827:32
8:52
+0:30
20M
20.00 mi13:42:432:47:028:2112:11
8:58
+0:06
21M
21.00 mi13:51:442:56:038:239:01
9:01
+0:03
35K
21.75 mi13:57:423:02:018:225:58
7:59
-1:02
23M
23.00 mi14:07:523:12:118:2110:10
8:07
+0:08
24M
24.00 mi14:15:353:19:548:207:43
7:43
-0:24
40K
24.85 mi14:22:053:26:248:186:30
7:36
-0:07
25.2M
25.20 mi14:25:013:29:208:182:56
8:30
+0:54
Finish
26.22 mi14:32:443:37:038:177:43
7:34
-0:56

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

7:34 /mi

Average Pace

8:17 /mi

Slowest Pace

9:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:07

67% of race

Time at Steady Pace

50:44

23% of race

Time at Slower Pace

21:12

10% of race

Average Pace: 8:17 /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 mi11:21:0125:208:0925:20
8:09
#17782
10K
6.21 mi11:46:2050:398:0925:19
8:09
#17647
15K
9.32 mi12:11:421:16:018:0925:22
8:10
#17456
20K
12.43 mi12:37:101:41:298:1025:28
8:12
#17127
Half
13.11 mi12:42:441:47:038:105:34
8:10
#17107
25K
15.53 mi13:03:002:07:198:1220:16
8:22
#16932
30K
18.64 mi13:30:322:34:518:1827:32
8:52
#16872
20M
20.00 mi13:42:432:47:028:2112:11
8:58
#16830
21M
21.00 mi13:51:442:56:038:239:01
9:01
#16602
35K
21.75 mi13:57:423:02:018:225:58
7:59
#16411
23M
23.00 mi14:07:523:12:118:2110:10
8:07
#16048
24M
24.00 mi14:15:353:19:548:207:43
7:43
#15756
40K
24.85 mi14:22:053:26:248:186:30
7:36
#15464
25.2M
25.20 mi14:25:013:29:208:182:56
8:30
#15358
Finish
26.22 mi14:32:443:37:038:177:43
7:34
#15134
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi177826203620317172(Top 60%)5828(Top 48%)5828(Top 321%)
10K6.21 mi3.10 mi17647+1356119+846119+8417542(Top 62%)6023(Top 49%)6023(Top 332%)
15K9.32 mi3.11 mi17456+1915981+1385981+13817172(Top 60%)5828(Top 48%)5828(Top 321%)
20K12.43 mi3.11 mi17127+3295817+1645817+16416291(Top 57%)5378(Top 44%)5378(Top 297%)
Half13.11 mi0.68 mi17107+205813+45813+417035(Top 60%)5773(Top 47%)5773(Top 318%)
25K15.53 mi2.42 mi16932+1755724+895724+8916291(Top 57%)5475(Top 45%)5475(Top 302%)
30K18.64 mi3.11 mi16872+605739-155739-1516959(Top 60%)6006(Top 49%)6006(Top 331%)
20M20.00 mi1.36 mi16830+425734+55734+516614(Top 58%)5922(Top 48%)5922(Top 327%)
21M21.00 mi1.00 mi16602+2285636+985636+9813642(Top 48%)4437(Top 36%)4437(Top 245%)
35K21.75 mi0.75 mi16411+1915548+885548+8812177(Top 43%)3751(Top 31%)3751(Top 207%)
23M23.00 mi1.25 mi16048+3635382+1665382+16610907(Top 38%)3194(Top 26%)3194(Top 176%)
24M24.00 mi1.00 mi15756+2925243+1395243+1399277(Top 33%)2475(Top 20%)2475(Top 137%)
40K24.85 mi0.85 mi15464+2925109+1345109+1347494(Top 26%)1772(Top 14%)1772(Top 98%)
25.2M25.20 mi0.35 mi15358+1065057+525057+528955(Top 32%)2539(Top 21%)2539(Top 140%)
Finish26.22 mi1.02 mi15134+2244948+1094948+1099787(Top 34%)2905(Top 24%)2905(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

17172

Females

5828

F45-49

5828

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

17542

Females

6023

F45-49

6023

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

17172

Females

5828

F45-49

5828

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16291

Females

5378

F45-49

5378

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

17035

Females

5773

F45-49

5773

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16291

Females

5475

F45-49

5475

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16959

Females

6006

F45-49

6006

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16614

Females

5922

F45-49

5922

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13642

Females

4437

F45-49

4437

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

12177

Females

3751

F45-49

3751

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10907

Females

3194

F45-49

3194

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

9277

Females

2475

F45-49

2475

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7494

Females

1772

F45-49

1772

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8955

Females

2539

F45-49

2539

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9787

Females

2905

F45-49

2905

Passing Analysis

Category:
Athletes Passed
3379
Passed By
731
Net Change
+2648
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17782
5K → 10K355220+135#17782#17647
10K → 15K303112+191#17647#17456
15K → 20K36738+329#17456#17127
20K → Half3919+20#17127#17107
Half → 25K23762+175#17107#16932
25K → 30K242182+60#16932#16872
30K → 20M11977+42#16872#16830
20M → 21M24214+228#16830#16602
21M → 35K1910+191#16602#16411
35K → 23M3652+363#16411#16048
23M → 24M2920+292#16048#15756
24M → 40K2920+292#15756#15464
40K → 25.2M1060+106#15464#15358
25.2M → Finish2295+224#15358#15134
TOTALS3379731+2648
📊

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