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BOSTON MARATHON 2025

Eva Kucerova

Bib: 10887•F

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 (F40-44)
#0 / 1718
Top 49%
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
7:00/mi
21:44
↑ 97↓ 3451.5%
10K· 6.21 mi
6:57/mi
43:20
↑ 79↓ 1380.4%
15K· 9.32 mi
7:08/mi
1:05:29
↑ 67↓ 78
20K· 12.43 mi
7:33/mi
1:28:57
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:34:02
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
1:56:29
↑ 66↓ 880.2%
30K· 18.64 mi
8:38/mi
2:23:17
↑ 181↓ 1480.2%
20M
9:54/mi
2:36:44
↑ 64↓ 500.2%
21M
11:47/mi
2:48:31
↑ 106↓ 241.6%
35K· 21.75 mi
9:04/mi
2:55:18
↑ 17↓ 861.7%
23M
9:20/mi
3:06:59
↑ 23↓ 630.6%
24M
9:21/mi
3:16:20
↓ 821.3%
40K· 24.85 mi
9:06/mi
3:24:07
↓ 200.3%
25.2M
10:23/mi
3:27:42
↑ 13↓ 160.2%
Finish· 26.22 mi
8:40/mi
3:36:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:02
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time2:02:30
Pace9:21 /mi
📊Positive Split: 30.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4021:447:0021:44
7:00
-
10K
6.21 mi11:10:1643:206:5821:36
6:57
-0:03
15K
9.32 mi11:32:251:05:297:0222:09
7:08
+0:11
20K
12.43 mi11:55:531:28:577:0923:28
7:33
+0:25
Half
13.11 mi12:00:581:34:027:105:05
7:27
-0:06
25K
15.53 mi12:23:251:56:297:3022:27
9:16
+1:49
30K
18.64 mi12:50:132:23:177:4126:48
8:38
-0:38
20M
20.00 mi13:03:402:36:447:5013:27
9:54
+1:16
21M
21.00 mi13:15:272:48:318:0111:47
11:47
+1:53
35K
21.75 mi13:22:142:55:188:046:47
9:04
-2:43
23M
23.00 mi13:33:553:06:598:0811:41
9:20
+0:16
24M
24.00 mi13:43:163:16:208:119:21
9:21
+0:01
40K
24.85 mi13:51:033:24:078:137:47
9:06
-0:15
25.2M
25.20 mi13:54:383:27:428:153:35
10:23
+1:17
Finish
26.22 mi14:03:283:36:328:168:50
8:40
-1:43

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

6:57 /mi

Average Pace

8:16 /mi

Slowest Pace

11:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:02

43% of race

Time at Steady Pace

1:33:41

43% of race

Time at Slower Pace

28:49

13% of race

Average Pace: 8:15 /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 mi10:48:4021:447:0021:44
7:00
#7754
10K
6.21 mi11:10:1643:206:5821:36
6:57
#7674
15K
9.32 mi11:32:251:05:297:0222:09
7:08
#7935
20K
12.43 mi11:55:531:28:577:0923:28
7:33
#8606
Half
13.11 mi12:00:581:34:027:105:05
7:27
#8725
25K
15.53 mi12:23:251:56:297:3022:27
9:16
#11309
30K
18.64 mi12:50:132:23:177:4126:48
8:38
#12125
20M
20.00 mi13:03:402:36:447:5013:27
9:54
#13024
21M
21.00 mi13:15:272:48:318:0111:47
11:47
#14035
35K
21.75 mi13:22:142:55:188:046:47
9:04
#14283
23M
23.00 mi13:33:553:06:598:0811:41
9:20
#14520
24M
24.00 mi13:43:163:16:208:119:21
9:21
#14751
40K
24.85 mi13:51:033:24:078:137:47
9:06
#14823
25.2M
25.20 mi13:54:383:27:428:153:35
10:23
#14896
Finish
26.22 mi14:03:283:36:328:168:50
8:40
#14978
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi77549079078518(Top 30%)1242(Top 10%)1242(Top 72%)
10K6.21 mi3.10 mi7674+80882+25882+257611(Top 27%)874(Top 7%)874(Top 51%)
15K9.32 mi3.11 mi7935-261974-92974-928518(Top 30%)1242(Top 10%)1242(Top 72%)
20K12.43 mi3.11 mi8606-6711258-2841258-28411174(Top 39%)2575(Top 21%)2575(Top 150%)
Half13.11 mi0.68 mi8725-1191315-571315-5711219(Top 39%)2558(Top 21%)2558(Top 149%)
25K15.53 mi2.42 mi11309-25842541-12262541-122620994(Top 74%)8102(Top 66%)8102(Top 472%)
30K18.64 mi3.11 mi12125-8163064-5233064-52315517(Top 55%)5188(Top 42%)5188(Top 302%)
20M20.00 mi1.36 mi13024-8993596-5323596-53220597(Top 73%)8141(Top 67%)8141(Top 474%)
21M21.00 mi1.00 mi14035-10114188-5924188-59223172(Top 82%)9591(Top 78%)9591(Top 558%)
35K21.75 mi0.75 mi14283-2484335-1474335-14718522(Top 65%)7221(Top 59%)7221(Top 420%)
23M23.00 mi1.25 mi14520-2374497-1624497-16217889(Top 63%)6945(Top 57%)6945(Top 404%)
24M24.00 mi1.00 mi14751-2314660-1634660-16318998(Top 67%)7552(Top 62%)7552(Top 440%)
40K24.85 mi0.85 mi14823-724733-734733-7316833(Top 59%)6512(Top 53%)6512(Top 379%)
25.2M25.20 mi0.35 mi14896-734783-504783-5018532(Top 65%)7418(Top 61%)7418(Top 432%)
Finish26.22 mi1.02 mi14978-824861-784861-7817225(Top 61%)6686(Top 55%)6686(Top 389%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8518

Females

1242

F40-44

1242

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7611

Females

874

F40-44

874

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8518

Females

1242

F40-44

1242

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11174

Females

2575

F40-44

2575

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

11219

Females

2558

F40-44

2558

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

20994

Females

8102

F40-44

8102

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15517

Females

5188

F40-44

5188

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

20597

Females

8141

F40-44

8141

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23172

Females

9591

F40-44

9591

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

18522

Females

7221

F40-44

7221

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

17889

Females

6945

F40-44

6945

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

18998

Females

7552

F40-44

7552

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16833

Females

6512

F40-44

6512

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18532

Females

7418

F40-44

7418

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

17225

Females

6686

F40-44

6686

Passing Analysis

Category:
Athletes Passed
669
Passed By
7891
Net Change
-7224
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7754
5K → 10K231151+80#7754#7674
10K → 15K67328-261#7674#7935
15K → 20K39710-671#7935#8606
20K → Half9128-119#8606#8725
Half → 25K82590-2584#8725#11309
25K → 30K78894-816#11309#12125
30K → 20M18917-899#12125#13024
20M → 21M61017-1011#13024#14035
21M → 35K25273-248#14035#14283
35K → 23M50287-237#14283#14520
23M → 24M26257-231#14520#14751
24M → 40K46118-72#14751#14823
40K → 25.2M1891-73#14823#14896
25.2M → Finish48130-82#14896#14978
TOTALS6697891-7224
📊

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