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BOSTON MARATHON 2025

Lynda Douglas Kurylowicz

Bib: 24527•F

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:18
Rank: #24001
Start → 5K
29:18 | 9:26/mi
10K· 6.21 mi
1:00:08
Rank: #24680 (-679)
5K → 10K
30:50 | 9:55/mi
15K· 9.32 mi
1:31:40
Rank: #24893 (-213)
10K → 15K
31:32 | 10:09/mi
20K· 12.43 mi
2:04:42
Rank: #25093 (-200)
15K → 20K
33:02 | 10:38/mi
Half· 13.11 mi
2:11:47
Rank: #25118 (-25)
20K → Half
7:05 | 10:23/mi
25K· 15.53 mi
2:37:51
Rank: #25043 (+75)
Half → 25K
26:04 | 10:45/mi
30K· 18.64 mi
3:12:17
Rank: #24898 (+145)
25K → 30K
34:26 | 11:05/mi
20M
3:28:09
Rank: #24892 (+6)
30K → 20M
15:52 | 11:41/mi
21M
3:40:50
Rank: #24890 (+2)
20M → 21M
12:41 | 12:41/mi
35K· 21.75 mi
3:48:56
Rank: #24863 (+27)
21M → 35K
8:06 | 10:50/mi
23M
4:03:10
Rank: #24838 (+25)
35K → 23M
14:14 | 11:22/mi
24M
4:14:13
Rank: #24804 (+34)
23M → 24M
11:03 | 11:03/mi
40K· 24.85 mi
4:25:09
Rank: #24873 (-69)
24M → 40K
10:56 | 12:47/mi
25.2M
4:29:12
Rank: #24857 (+16)
40K → 25.2M
4:03 | 11:45/mi
Finish· 26.22 mi
4:40:03
Rank: #24853 (+4)
25.2M → Finish
10:51 | 10:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:47
Pace10:03 /mi
2nd Half
Distance13.11 mi
Time2:28:16
Pace11:19 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:4429:189:2629:18
9:26
-
10K
6.21 mi12:00:341:00:089:4130:50
9:55
+0:29
15K
9.32 mi12:32:061:31:409:5031:32
10:09
+0:14
20K
12.43 mi13:05:082:04:4210:0233:02
10:38
+0:29
Half
13.11 mi13:12:132:11:4710:037:05
10:23
-0:15
25K
15.53 mi13:38:172:37:5110:1026:04
10:45
+0:22
30K
18.64 mi14:12:433:12:1710:1934:26
11:05
+0:20
20M
20.00 mi14:28:353:28:0910:2415:52
11:41
+0:36
21M
21.00 mi14:41:163:40:5010:3112:41
12:41
+1:00
35K
21.75 mi14:49:223:48:5610:328:06
10:50
-1:51
23M
23.00 mi15:03:364:03:1010:3414:14
11:22
+0:32
24M
24.00 mi15:14:394:14:1310:3611:03
11:03
-0:19
40K
24.85 mi15:25:354:25:0910:4010:56
12:47
+1:44
25.2M
25.20 mi15:29:384:29:1210:414:03
11:45
-1:02
Finish
26.22 mi15:40:294:40:0310:4110:51
10:39
-1:06

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

9:26 /mi

Average Pace

10:41 /mi

Slowest Pace

12:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:40

33% of race

Time at Steady Pace

2:10:37

47% of race

Time at Slower Pace

57:46

21% of race

Average Pace: 10:41 /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 mi11:29:4429:189:2629:18
9:26
#24001
10K
6.21 mi12:00:341:00:089:4130:50
9:55
#24680
15K
9.32 mi12:32:061:31:409:5031:32
10:09
#24893
20K
12.43 mi13:05:082:04:4210:0233:02
10:38
#25093
Half
13.11 mi13:12:132:11:4710:037:05
10:23
#25118
25K
15.53 mi13:38:172:37:5110:1026:04
10:45
#25043
30K
18.64 mi14:12:433:12:1710:1934:26
11:05
#24898
20M
20.00 mi14:28:353:28:0910:2415:52
11:41
#24892
21M
21.00 mi14:41:163:40:5010:3112:41
12:41
#24890
35K
21.75 mi14:49:223:48:5610:328:06
10:50
#24863
23M
23.00 mi15:03:364:03:1010:3414:14
11:22
#24838
24M
24.00 mi15:14:394:14:1310:3611:03
11:03
#24804
40K
24.85 mi15:25:354:25:0910:4010:56
12:47
#24873
25.2M
25.20 mi15:29:384:29:1210:414:03
11:45
#24857
Finish
26.22 mi15:40:294:40:0310:4110:51
10:39
#24853
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi240019698969825301(Top 89%)10402(Top 85%)10402(Top 1046%)
10K6.21 mi3.10 mi24680-67910052-35410052-35425147(Top 89%)10315(Top 84%)10315(Top 1038%)
15K9.32 mi3.11 mi24893-21310168-11610168-11625301(Top 89%)10402(Top 85%)10402(Top 1046%)
20K12.43 mi3.11 mi25093-20010282-11410282-11425405(Top 89%)10481(Top 86%)10481(Top 1054%)
Half13.11 mi0.68 mi25118-2510299-1710299-1725573(Top 90%)10583(Top 87%)10583(Top 1065%)
25K15.53 mi2.42 mi25043+7510274+2510274+2524803(Top 87%)10184(Top 83%)10184(Top 1025%)
30K18.64 mi3.11 mi24898+14510223+5110223+5124151(Top 85%)9949(Top 81%)9949(Top 1001%)
20M20.00 mi1.36 mi24892+610238-1510238-1524816(Top 87%)10368(Top 85%)10368(Top 1043%)
21M21.00 mi1.00 mi24890+210250-1210250-1224633(Top 87%)10364(Top 85%)10364(Top 1043%)
35K21.75 mi0.75 mi24863+2710239+1110239+1123834(Top 84%)9964(Top 81%)9964(Top 1002%)
23M23.00 mi1.25 mi24838+2510238+110238+124013(Top 85%)10107(Top 83%)10107(Top 1017%)
24M24.00 mi1.00 mi24804+3410237+110237+124071(Top 85%)10155(Top 83%)10155(Top 1022%)
40K24.85 mi0.85 mi24873-6910286-4910286-4926032(Top 92%)11157(Top 91%)11157(Top 1122%)
25.2M25.20 mi0.35 mi24857+1610280+610280+622599(Top 80%)9475(Top 77%)9475(Top 953%)
Finish26.22 mi1.02 mi24853+410291-1110291-1124593(Top 87%)10455(Top 86%)10455(Top 1052%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25301

Females

10402

F55-59

10402

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

25147

Females

10315

F55-59

10315

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25301

Females

10402

F55-59

10402

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25405

Females

10481

F55-59

10481

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25573

Females

10583

F55-59

10583

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24803

Females

10184

F55-59

10184

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

24151

Females

9949

F55-59

9949

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

24816

Females

10368

F55-59

10368

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

24633

Females

10364

F55-59

10364

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23834

Females

9964

F55-59

9964

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

24013

Females

10107

F55-59

10107

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

24071

Females

10155

F55-59

10155

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26032

Females

11157

F55-59

11157

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22599

Females

9475

F55-59

9475

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24593

Females

10455

F55-59

10455

Passing Analysis

Category:
Athletes Passed
905
Passed By
1757
Net Change
-852
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24001
5K → 10K54733-679#24001#24680
10K → 15K70283-213#24680#24893
15K → 20K73273-200#24893#25093
20K → Half1742-25#25093#25118
Half → 25K14469+75#25118#25043
25K → 30K19853+145#25043#24898
30K → 20M6155+6#24898#24892
20M → 21M5553+2#24892#24890
21M → 35K5124+27#24890#24863
35K → 23M5631+25#24863#24838
23M → 24M5117+34#24838#24804
24M → 40K1685-69#24804#24873
40K → 25.2M226+16#24873#24857
25.2M → Finish3733+4#24857#24853
TOTALS9051757-852
📊

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