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BOSTON MARATHON 2025

Lenka Štepánová

Bib: 30451•F

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
31:08
Rank: #25619
Start → 5K
31:08 | 10:01/mi
10K· 6.21 mi
1:03:52
Rank: #26056 (-437)
5K → 10K
32:44 | 10:32/mi
15K· 9.32 mi
1:36:47
Rank: #26056
10K → 15K
32:55 | 10:36/mi
20K· 12.43 mi
2:11:58
Rank: #26198 (-142)
15K → 20K
35:11 | 11:19/mi
Half· 13.11 mi
2:19:21
Rank: #26188 (+10)
20K → Half
7:23 | 10:49/mi
25K· 15.53 mi
2:47:54
Rank: #26212 (-24)
Half → 25K
28:33 | 11:47/mi
30K· 18.64 mi
3:23:35
Rank: #25937 (+275)
25K → 30K
35:41 | 11:29/mi
20M
3:39:58
Rank: #25907 (+30)
30K → 20M
16:23 | 12:03/mi
21M
3:53:15
Rank: #25897 (+10)
20M → 21M
13:17 | 13:17/mi
35K· 21.75 mi
4:02:03
Rank: #25886 (+11)
21M → 35K
8:48 | 11:46/mi
23M
4:16:34
Rank: #25835 (+51)
35K → 23M
14:31 | 11:36/mi
24M
4:27:49
Rank: #25794 (+41)
23M → 24M
11:15 | 11:15/mi
40K· 24.85 mi
4:37:49
Rank: #25753 (+41)
24M → 40K
10:00 | 11:42/mi
25.2M
4:42:14
Rank: #25750 (+3)
40K → 25.2M
4:25 | 12:48/mi
Finish· 26.22 mi
4:53:38
Rank: #25773 (-23)
25.2M → Finish
11:24 | 11:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:21
Pace10:38 /mi
2nd Half
Distance13.11 mi
Time2:34:17
Pace11:46 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3331:0810:0131:08
10:01
-
10K
6.21 mi12:24:171:03:5210:1732:44
10:32
+0:31
15K
9.32 mi12:57:121:36:4710:2332:55
10:36
+0:04
20K
12.43 mi13:32:232:11:5810:3735:11
11:19
+0:43
Half
13.11 mi13:39:462:19:2110:387:23
10:49
-0:30
25K
15.53 mi14:08:192:47:5410:4928:33
11:47
+0:58
30K
18.64 mi14:44:003:23:3510:5535:41
11:29
-0:18
20M
20.00 mi15:00:233:39:5811:0016:23
12:03
+0:34
21M
21.00 mi15:13:403:53:1511:0613:17
13:17
+1:14
35K
21.75 mi15:22:284:02:0311:088:48
11:46
-1:31
23M
23.00 mi15:36:594:16:3411:0914:31
11:36
-0:10
24M
24.00 mi15:48:144:27:4911:1011:15
11:15
-0:21
40K
24.85 mi15:58:144:37:4911:1110:00
11:42
+0:27
25.2M
25.20 mi16:02:394:42:1411:124:25
12:48
+1:06
Finish
26.22 mi16:14:034:53:3811:1211:24
11:11
-1:37

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

10:01 /mi

Average Pace

11:12 /mi

Slowest Pace

13:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:10

35% of race

Time at Steady Pace

2:35:23

53% of race

Time at Slower Pace

34:05

12% of race

Average Pace: 11:12 /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 mi11:51:3331:0810:0131:08
10:01
#25619
10K
6.21 mi12:24:171:03:5210:1732:44
10:32
#26056
15K
9.32 mi12:57:121:36:4710:2332:55
10:36
#26056
20K
12.43 mi13:32:232:11:5810:3735:11
11:19
#26198
Half
13.11 mi13:39:462:19:2110:387:23
10:49
#26188
25K
15.53 mi14:08:192:47:5410:4928:33
11:47
#26212
30K
18.64 mi14:44:003:23:3510:5535:41
11:29
#25937
20M
20.00 mi15:00:233:39:5811:0016:23
12:03
#25907
21M
21.00 mi15:13:403:53:1511:0613:17
13:17
#25897
35K
21.75 mi15:22:284:02:0311:088:48
11:46
#25886
23M
23.00 mi15:36:594:16:3411:0914:31
11:36
#25835
24M
24.00 mi15:48:144:27:4911:1011:15
11:15
#25794
40K
24.85 mi15:58:144:37:4911:1110:00
11:42
#25753
25.2M
25.20 mi16:02:394:42:1411:124:25
12:48
#25750
Finish
26.22 mi16:14:034:53:3811:1211:24
11:11
#25773
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi25619105431054326085(Top 92%)10840(Top 89%)10840(Top 598%)
10K6.21 mi3.10 mi26056-43710807-26410807-26426326(Top 93%)10971(Top 90%)10971(Top 605%)
15K9.32 mi3.11 mi2605610811-410811-426085(Top 92%)10840(Top 89%)10840(Top 598%)
20K12.43 mi3.11 mi26198-14210886-7510886-7526414(Top 93%)11043(Top 90%)11043(Top 609%)
Half13.11 mi0.68 mi26188+10108861088626277(Top 93%)10983(Top 90%)10983(Top 606%)
25K15.53 mi2.42 mi26212-2410901-1510901-1526179(Top 92%)10962(Top 90%)10962(Top 605%)
30K18.64 mi3.11 mi25937+27510791+11010791+11024822(Top 87%)10309(Top 84%)10309(Top 569%)
20M20.00 mi1.36 mi25907+3010785+610785+625330(Top 89%)10658(Top 87%)10658(Top 588%)
21M21.00 mi1.00 mi25897+1010794-910794-925404(Top 89%)10765(Top 88%)10765(Top 594%)
35K21.75 mi0.75 mi25886+1110789+510789+525490(Top 90%)10844(Top 89%)10844(Top 598%)
23M23.00 mi1.25 mi25835+5110773+1610773+1624398(Top 86%)10299(Top 84%)10299(Top 568%)
24M24.00 mi1.00 mi25794+4110771+210771+224466(Top 86%)10362(Top 85%)10362(Top 572%)
40K24.85 mi0.85 mi25753+4110765+610765+624459(Top 86%)10407(Top 85%)10407(Top 574%)
25.2M25.20 mi0.35 mi25750+310767-210767-224714(Top 87%)10532(Top 86%)10532(Top 581%)
Finish26.22 mi1.02 mi25773-2310780-1310780-1325673(Top 90%)10990(Top 90%)10990(Top 606%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

26085

Females

10840

F45-49

10840

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

26326

Females

10971

F45-49

10971

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

26085

Females

10840

F45-49

10840

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

26414

Females

11043

F45-49

11043

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26277

Females

10983

F45-49

10983

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

26179

Females

10962

F45-49

10962

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

24822

Females

10309

F45-49

10309

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

25330

Females

10658

F45-49

10658

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25404

Females

10765

F45-49

10765

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

25490

Females

10844

F45-49

10844

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

24398

Females

10299

F45-49

10299

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24466

Females

10362

F45-49

10362

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24459

Females

10407

F45-49

10407

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24714

Females

10532

F45-49

10532

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

25673

Females

10990

F45-49

10990

Passing Analysis

Category:
Athletes Passed
1003
Passed By
1157
Net Change
-154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25619
5K → 10K67504-437#25619#26056
10K → 15K1201200#26056#26056
15K → 20K82224-142#26056#26198
20K → Half2818+10#26198#26188
Half → 25K6892-24#26188#26212
25K → 30K28914+275#26212#25937
30K → 20M6333+30#25937#25907
20M → 21M5242+10#25907#25897
21M → 35K3322+11#25897#25886
35K → 23M6615+51#25886#25835
23M → 24M5413+41#25835#25794
24M → 40K5110+41#25794#25753
40K → 25.2M1411+3#25753#25750
25.2M → Finish1639-23#25750#25773
TOTALS10031157-154
📊

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