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BOSTON MARATHON 2025

Sonja Cuk Kavcic

Bib: 28404•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F65-69)
#0 / 222
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
35:40
Rank: #27992
Start → 5K
35:40 | 11:29/mi
10K· 6.21 mi
1:13:31
Rank: #28052 (-60)
5K → 10K
37:51 | 12:11/mi
15K· 9.32 mi
1:50:51
Rank: #27943 (+109)
10K → 15K
37:20 | 12:01/mi
20K· 12.43 mi
2:30:46
Rank: #27896 (+47)
15K → 20K
39:55 | 12:51/mi
Half· 13.11 mi
2:38:54
Rank: #27892 (+4)
20K → Half
8:08 | 11:55/mi
25K· 15.53 mi
3:09:01
Rank: #27725 (+167)
Half → 25K
30:07 | 12:25/mi
30K· 18.64 mi
3:50:56
Rank: #27634 (+91)
25K → 30K
41:55 | 13:30/mi
20M
4:09:28
Rank: #27590 (+44)
30K → 20M
18:32 | 13:38/mi
21M
4:25:41
Rank: #27626 (-36)
20M → 21M
16:13 | 16:13/mi
35K· 21.75 mi
4:36:36
Rank: #27666 (-40)
21M → 35K
10:55 | 14:36/mi
23M
4:54:54
Rank: #27681 (-15)
35K → 23M
18:18 | 14:37/mi
24M
5:06:54
Rank: #27634 (+47)
23M → 24M
12:00 | 12:00/mi
40K· 24.85 mi
5:18:12
Rank: #27607 (+27)
24M → 40K
11:18 | 13:13/mi
25.2M
5:23:03
Rank: #27603 (+4)
40K → 25.2M
4:51 | 14:04/mi
Finish· 26.22 mi
5:35:37
Rank: #27597 (+6)
25.2M → Finish
12:34 | 12:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:38:54
Pace12:07 /mi
2nd Half
Distance13.11 mi
Time2:56:43
Pace13:29 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:0835:4011:2935:40
11:29
-
10K
6.21 mi12:30:591:13:3111:5037:51
12:11
+0:42
15K
9.32 mi13:08:191:50:5111:5437:20
12:01
-0:10
20K
12.43 mi13:48:142:30:4612:0839:55
12:51
+0:50
Half
13.11 mi13:56:222:38:5412:078:08
11:55
-0:56
25K
15.53 mi14:26:293:09:0112:1030:07
12:25
+0:30
30K
18.64 mi15:08:243:50:5612:2341:55
13:30
+1:05
20M
20.00 mi15:26:564:09:2812:2818:32
13:38
+0:08
21M
21.00 mi15:43:094:25:4112:3916:13
16:13
+2:35
35K
21.75 mi15:54:044:36:3612:4310:55
14:36
-1:37
23M
23.00 mi16:12:224:54:5412:4918:18
14:37
+0:01
24M
24.00 mi16:24:225:06:5412:4712:00
12:00
-2:37
40K
24.85 mi16:35:405:18:1212:4811:18
13:13
+1:13
25.2M
25.20 mi16:40:315:23:0312:494:51
14:04
+0:51
Finish
26.22 mi16:53:055:35:3712:4912:34
12:20
-1:44

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

11:29 /mi

Average Pace

12:49 /mi

Slowest Pace

16:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:59

39% of race

Time at Steady Pace

1:33:54

28% of race

Time at Slower Pace

1:50:44

33% of race

Average Pace: 12:48 /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 mi11:53:0835:4011:2935:40
11:29
#27992
10K
6.21 mi12:30:591:13:3111:5037:51
12:11
#28052
15K
9.32 mi13:08:191:50:5111:5437:20
12:01
#27943
20K
12.43 mi13:48:142:30:4612:0839:55
12:51
#27896
Half
13.11 mi13:56:222:38:5412:078:08
11:55
#27892
25K
15.53 mi14:26:293:09:0112:1030:07
12:25
#27725
30K
18.64 mi15:08:243:50:5612:2341:55
13:30
#27634
20M
20.00 mi15:26:564:09:2812:2818:32
13:38
#27590
21M
21.00 mi15:43:094:25:4112:3916:13
16:13
#27626
35K
21.75 mi15:54:044:36:3612:4310:55
14:36
#27666
23M
23.00 mi16:12:224:54:5412:4918:18
14:37
#27681
24M
24.00 mi16:24:225:06:5412:4712:00
12:00
#27634
40K
24.85 mi16:35:405:18:1212:4811:18
13:13
#27607
25.2M
25.20 mi16:40:315:23:0312:494:51
14:04
#27603
Finish
26.22 mi16:53:055:35:3712:4912:34
12:20
#27597
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi27992119571195727640(Top 97%)11772(Top 96%)11772(Top 5303%)
10K6.21 mi3.10 mi28052-6011999-4211999-4228035(Top 99%)11998(Top 98%)11998(Top 5405%)
15K9.32 mi3.11 mi27943+10911935+6411935+6427640(Top 97%)11772(Top 96%)11772(Top 5303%)
20K12.43 mi3.11 mi27896+4711908+2711908+2727734(Top 98%)11830(Top 97%)11830(Top 5329%)
Half13.11 mi0.68 mi27892+411907+111907+127396(Top 96%)11647(Top 95%)11647(Top 5246%)
25K15.53 mi2.42 mi27725+16711816+9111816+9126862(Top 95%)11352(Top 93%)11352(Top 5114%)
30K18.64 mi3.11 mi27634+9111772+4411772+4427133(Top 96%)11574(Top 95%)11574(Top 5214%)
20M20.00 mi1.36 mi27590+4411761+1111761+1127023(Top 95%)11575(Top 95%)11575(Top 5214%)
21M21.00 mi1.00 mi27626-3611788-2711788-2727903(Top 98%)12008(Top 98%)12008(Top 5409%)
35K21.75 mi0.75 mi27666-4011811-2311811-2327949(Top 98%)12062(Top 99%)12062(Top 5433%)
23M23.00 mi1.25 mi27681-1511822-1111822-1127712(Top 98%)11962(Top 98%)11962(Top 5388%)
24M24.00 mi1.00 mi27634+4711808+1411808+1425668(Top 90%)10971(Top 90%)10971(Top 4942%)
40K24.85 mi0.85 mi27607+2711797+1111797+1126503(Top 93%)11390(Top 93%)11390(Top 5131%)
25.2M25.20 mi0.35 mi27603+4117971179726338(Top 93%)11359(Top 93%)11359(Top 5117%)
Finish26.22 mi1.02 mi27597+611796+111796+127139(Top 96%)11690(Top 96%)11690(Top 5266%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

27640

Females

11772

F65-69

11772

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

28035

Females

11998

F65-69

11998

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

27640

Females

11772

F65-69

11772

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

27734

Females

11830

F65-69

11830

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

27396

Females

11647

F65-69

11647

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

26862

Females

11352

F65-69

11352

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

27133

Females

11574

F65-69

11574

30K→20M

18.6 - 20.0 mi

Top 95%
×5stories
+64ft-50ft

Overall

27023

Females

11575

F65-69

11575

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

27903

Females

12008

F65-69

12008

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

27949

Females

12062

F65-69

12062

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

27712

Females

11962

F65-69

11962

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

25668

Females

10971

F65-69

10971

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26503

Females

11390

F65-69

11390

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26338

Females

11359

F65-69

11359

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

27139

Females

11690

F65-69

11690

Passing Analysis

Category:
Athletes Passed
735
Passed By
340
Net Change
+395
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27992
5K → 10K48108-60#27992#28052
10K → 15K12920+109#28052#27943
15K → 20K7326+47#27943#27896
20K → Half1410+4#27896#27892
Half → 25K1670+167#27892#27725
25K → 30K11120+91#27725#27634
30K → 20M5612+44#27634#27590
20M → 21M1147-36#27590#27626
21M → 35K444-40#27626#27666
35K → 23M1631-15#27666#27681
23M → 24M514+47#27681#27634
24M → 40K325+27#27634#27607
40K → 25.2M84+4#27607#27603
25.2M → Finish159+6#27603#27597
TOTALS735340+395
📊

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