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BOSTON MARATHON 2023

Terri Ladka

Bib: 23427•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
8:44/mi
27:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:56/mi
54:53
↑ 79↓ 1380.4%
15K· 9.32 mi
9:04/mi
1:23:02
↑ 67↓ 78
20K· 12.43 mi
8:56/mi
1:50:48
↑ 106↓ 860.1%
Half· 13.11 mi
8:54/mi
1:56:52
↑ 19↓ 370.5%
25K· 15.53 mi
9:27/mi
2:19:46
↑ 66↓ 880.2%
30K· 18.64 mi
9:40/mi
2:49:47
↑ 181↓ 1480.2%
20M
10:14/mi
3:03:41
↑ 64↓ 500.2%
21M
11:11/mi
3:14:52
↑ 106↓ 241.6%
35K· 21.75 mi
9:23/mi
3:21:53
↑ 17↓ 861.7%
23M
10:10/mi
3:34:37
↑ 23↓ 630.6%
24M
9:42/mi
3:44:19
↓ 821.3%
40K· 24.85 mi
10:55/mi
3:53:39
↓ 200.3%
25.2M
10:26/mi
3:57:15
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
4:06:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:52
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:09:45
Pace9:54 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3827:088:4427:08
8:44
-
10K
6.21 mi11:21:2354:538:5027:45
8:56
+0:12
15K
9.32 mi11:49:321:23:028:5528:09
9:04
+0:08
20K
12.43 mi12:17:181:50:488:5527:46
8:56
-0:08
Half
13.11 mi12:23:221:56:528:556:04
8:54
-0:02
25K
15.53 mi12:46:162:19:469:0022:54
9:27
+0:33
30K
18.64 mi13:16:172:49:479:0630:01
9:40
+0:13
20M
20.00 mi13:30:113:03:419:1113:54
10:14
+0:34
21M
21.00 mi13:41:223:14:529:1711:11
11:11
+0:57
35K
21.75 mi13:48:233:21:539:177:01
9:23
-1:48
23M
23.00 mi14:01:073:34:379:2012:44
10:10
+0:47
24M
24.00 mi14:10:493:44:199:219:42
9:42
-0:28
40K
24.85 mi14:20:093:53:399:249:20
10:55
+1:13
25.2M
25.20 mi14:23:453:57:159:253:36
10:26
-0:29
Finish
26.22 mi14:33:074:06:379:259:22
9:11
-1:15

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

8:44 /mi

Average Pace

9:25 /mi

Slowest Pace

11:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:52

47% of race

Time at Steady Pace

1:19:00

32% of race

Time at Slower Pace

50:45

21% of race

Average Pace: 9:24 /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 mi10:53:3827:088:4427:08
8:44
#19110
10K
6.21 mi11:21:2354:538:5027:45
8:56
#19845
15K
9.32 mi11:49:321:23:028:5528:09
9:04
#20161
20K
12.43 mi12:17:181:50:488:5527:46
8:56
#19941
Half
13.11 mi12:23:221:56:528:556:04
8:54
#19932
25K
15.53 mi12:46:162:19:469:0022:54
9:27
#20106
30K
18.64 mi13:16:172:49:479:0630:01
9:40
#20093
20M
20.00 mi13:30:113:03:419:1113:54
10:14
#20195
21M
21.00 mi13:41:223:14:529:1711:11
11:11
#20252
35K
21.75 mi13:48:233:21:539:177:01
9:23
#20230
23M
23.00 mi14:01:073:34:379:2012:44
10:10
#20240
24M
24.00 mi14:10:493:44:199:219:42
9:42
#20234
40K
24.85 mi14:20:093:53:399:249:20
10:55
#20297
25.2M
25.20 mi14:23:453:57:159:253:36
10:26
#20274
Finish
26.22 mi14:33:074:06:379:259:22
9:11
#20232
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi191107271727120778(Top 78%)8110(Top 71%)8110(Top 995%)
10K6.21 mi3.10 mi19845-7357677-4067677-40620601(Top 77%)8039(Top 70%)8039(Top 986%)
15K9.32 mi3.11 mi20161-3167824-1477824-14720778(Top 78%)8110(Top 71%)8110(Top 995%)
20K12.43 mi3.11 mi19941+2207694+1307694+13019410(Top 73%)7331(Top 64%)7331(Top 900%)
Half13.11 mi0.68 mi19932+97685+97685+919990(Top 75%)7663(Top 67%)7663(Top 940%)
25K15.53 mi2.42 mi20106-1747765-807765-8020661(Top 78%)8079(Top 71%)8079(Top 991%)
30K18.64 mi3.11 mi20093+137778-137778-1320018(Top 75%)7777(Top 68%)7777(Top 954%)
20M20.00 mi1.36 mi20195-1027858-807858-8021096(Top 79%)8464(Top 74%)8464(Top 1039%)
21M21.00 mi1.00 mi20252-577898-407898-4021233(Top 80%)8587(Top 75%)8587(Top 1054%)
35K21.75 mi0.75 mi20230+227891+77891+719481(Top 73%)7654(Top 67%)7654(Top 939%)
23M23.00 mi1.25 mi20240-107903-127903-1220488(Top 77%)8221(Top 72%)8221(Top 1009%)
24M24.00 mi1.00 mi20234+67909-67909-619914(Top 75%)7926(Top 69%)7926(Top 973%)
40K24.85 mi0.85 mi20297-637958-497958-4922183(Top 83%)9227(Top 81%)9227(Top 1132%)
25.2M25.20 mi0.35 mi20274+237951+77951+718945(Top 71%)7486(Top 66%)7486(Top 919%)
Finish26.22 mi1.02 mi20232+427932+197932+1918898(Top 71%)7391(Top 65%)7391(Top 907%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20778

Females

8110

F55-59

8110

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20601

Females

8039

F55-59

8039

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20778

Females

8110

F55-59

8110

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

19410

Females

7331

F55-59

7331

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

19990

Females

7663

F55-59

7663

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20661

Females

8079

F55-59

8079

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

20018

Females

7777

F55-59

7777

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

21096

Females

8464

F55-59

8464

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21233

Females

8587

F55-59

8587

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19481

Females

7654

F55-59

7654

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20488

Females

8221

F55-59

8221

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

19914

Females

7926

F55-59

7926

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22183

Females

9227

F55-59

9227

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18945

Females

7486

F55-59

7486

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18898

Females

7391

F55-59

7391

Passing Analysis

Category:
Athletes Passed
1148
Passed By
2270
Net Change
-1122
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19110
5K → 10K102837-735#19110#19845
10K → 15K81397-316#19845#20161
15K → 20K28363+220#20161#19941
20K → Half3728+9#19941#19932
Half → 25K80254-174#19932#20106
25K → 30K163150+13#20106#20093
30K → 20M60162-102#20093#20195
20M → 21M55112-57#20195#20252
21M → 35K4624+22#20252#20230
35K → 23M6979-10#20230#20240
23M → 24M4943+6#20240#20234
24M → 40K2588-63#20234#20297
40K → 25.2M3613+23#20297#20274
25.2M → Finish6220+42#20274#20232
TOTALS11482270-1122
📊

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