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BOSTON MARATHON 2025

Kai Kunicki

Bib: 30737•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 50%
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
27:28
Rank: #21711
Start → 5K
27:28 | 8:50/mi
10K· 6.21 mi
54:17
Rank: #21090 (+621)
5K → 10K
26:49 | 8:38/mi
15K· 9.32 mi
1:21:26
Rank: #20939 (+151)
10K → 15K
27:09 | 8:44/mi
20K· 12.43 mi
1:48:41
Rank: #20661 (+278)
15K → 20K
27:15 | 8:46/mi
Half· 13.11 mi
1:54:38
Rank: #20649 (+12)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:15:55
Rank: #20355 (+294)
Half → 25K
21:17 | 8:47/mi
30K· 18.64 mi
2:44:47
Rank: #20087 (+268)
25K → 30K
28:52 | 9:17/mi
20M
2:57:07
Rank: #19865 (+222)
30K → 20M
12:20 | 9:05/mi
21M
3:06:49
Rank: #19688 (+177)
20M → 21M
9:42 | 9:42/mi
35K· 21.75 mi
3:13:19
Rank: #19577 (+111)
21M → 35K
6:30 | 8:41/mi
23M
3:24:39
Rank: #19398 (+179)
35K → 23M
11:20 | 9:03/mi
24M
3:33:20
Rank: #19243 (+155)
23M → 24M
8:41 | 8:41/mi
40K· 24.85 mi
3:40:51
Rank: #19082 (+161)
24M → 40K
7:31 | 8:47/mi
25.2M
3:44:09
Rank: #19009 (+73)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:52:39
Rank: #18884 (+125)
25.2M → Finish
8:30 | 8:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:38
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time1:58:01
Pace9:00 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0427:288:5027:28
8:50
-
10K
6.21 mi12:15:5354:178:4426:49
8:38
-0:12
15K
9.32 mi12:43:021:21:268:4427:09
8:44
+0:06
20K
12.43 mi13:10:171:48:418:4527:15
8:46
+0:02
Half
13.11 mi13:16:141:54:388:455:57
8:43
-0:03
25K
15.53 mi13:37:312:15:558:4521:17
8:47
+0:04
30K
18.64 mi14:06:232:44:478:5028:52
9:17
+0:30
20M
20.00 mi14:18:432:57:078:5112:20
9:05
-0:12
21M
21.00 mi14:28:253:06:498:549:42
9:42
+0:37
35K
21.75 mi14:34:553:13:198:536:30
8:41
-1:01
23M
23.00 mi14:46:153:24:398:5411:20
9:03
+0:22
24M
24.00 mi14:54:563:33:208:538:41
8:41
-0:22
40K
24.85 mi15:02:273:40:518:537:31
8:47
+0:06
25.2M
25.20 mi15:05:453:44:098:543:18
9:34
+0:47
Finish
26.22 mi15:14:153:52:398:538:30
8:20
-1:14

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

8:20 /mi

Average Pace

8:53 /mi

Slowest Pace

9:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:47

82% of race

Time at Steady Pace

41:52

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:52 /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 mi11:49:0427:288:5027:28
8:50
#21711
10K
6.21 mi12:15:5354:178:4426:49
8:38
#21090
15K
9.32 mi12:43:021:21:268:4427:09
8:44
#20939
20K
12.43 mi13:10:171:48:418:4527:15
8:46
#20661
Half
13.11 mi13:16:141:54:388:455:57
8:43
#20649
25K
15.53 mi13:37:312:15:558:4521:17
8:47
#20355
30K
18.64 mi14:06:232:44:478:5028:52
9:17
#20087
20M
20.00 mi14:18:432:57:078:5112:20
9:05
#19865
21M
21.00 mi14:28:253:06:498:549:42
9:42
#19688
35K
21.75 mi14:34:553:13:198:536:30
8:41
#19577
23M
23.00 mi14:46:153:24:398:5411:20
9:03
#19398
24M
24.00 mi14:54:563:33:208:538:41
8:41
#19243
40K
24.85 mi15:02:273:40:518:537:31
8:47
#19082
25.2M
25.20 mi15:05:453:44:098:543:18
9:34
#19009
Finish
26.22 mi15:14:153:52:398:538:30
8:20
#18884
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi217118464846420693(Top 73%)7823(Top 64%)7823(Top 431%)
10K6.21 mi3.10 mi21090+6218100+3648100+36420520(Top 72%)7753(Top 63%)7753(Top 428%)
15K9.32 mi3.11 mi20939+1518010+908010+9020693(Top 73%)7823(Top 64%)7823(Top 431%)
20K12.43 mi3.11 mi20661+2787846+1647846+16419802(Top 70%)7373(Top 60%)7373(Top 407%)
Half13.11 mi0.68 mi20649+127844+27844+220492(Top 72%)7740(Top 63%)7740(Top 427%)
25K15.53 mi2.42 mi20355+2947689+1557689+15518821(Top 66%)6884(Top 56%)6884(Top 380%)
30K18.64 mi3.11 mi20087+2687574+1157574+11519074(Top 67%)7156(Top 59%)7156(Top 395%)
20M20.00 mi1.36 mi19865+2227470+1047470+10417223(Top 61%)6271(Top 51%)6271(Top 346%)
21M21.00 mi1.00 mi19688+1777394+767394+7617066(Top 60%)6300(Top 52%)6300(Top 347%)
35K21.75 mi0.75 mi19577+1117352+427352+4216675(Top 59%)6171(Top 50%)6171(Top 340%)
23M23.00 mi1.25 mi19398+1797285+677285+6716579(Top 58%)6220(Top 51%)6220(Top 343%)
24M24.00 mi1.00 mi19243+1557210+757210+7515685(Top 55%)5751(Top 47%)5751(Top 317%)
40K24.85 mi0.85 mi19082+1617140+707140+7015195(Top 53%)5639(Top 46%)5639(Top 311%)
25.2M25.20 mi0.35 mi19009+737114+267114+2615048(Top 53%)5595(Top 46%)5595(Top 309%)
Finish26.22 mi1.02 mi18884+1257066+487066+4815234(Top 54%)5619(Top 46%)5619(Top 310%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20693

Females

7823

F45-49

7823

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

20520

Females

7753

F45-49

7753

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20693

Females

7823

F45-49

7823

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19802

Females

7373

F45-49

7373

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

20492

Females

7740

F45-49

7740

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

18821

Females

6884

F45-49

6884

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

19074

Females

7156

F45-49

7156

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

17223

Females

6271

F45-49

6271

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17066

Females

6300

F45-49

6300

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16675

Females

6171

F45-49

6171

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16579

Females

6220

F45-49

6220

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

15685

Females

5751

F45-49

5751

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15195

Females

5639

F45-49

5639

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15048

Females

5595

F45-49

5595

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15234

Females

5619

F45-49

5619

Passing Analysis

Category:
Athletes Passed
3302
Passed By
475
Net Change
+2827
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21711
5K → 10K69271+621#21711#21090
10K → 15K261110+151#21090#20939
15K → 20K33860+278#20939#20661
20K → Half4028+12#20661#20649
Half → 25K31622+294#20649#20355
25K → 30K368100+268#20355#20087
30K → 20M23715+222#20087#19865
20M → 21M19821+177#19865#19688
21M → 35K1143+111#19688#19577
35K → 23M19617+179#19577#19398
23M → 24M1616+155#19398#19243
24M → 40K1676+161#19243#19082
40K → 25.2M829+73#19082#19009
25.2M → Finish1327+125#19009#18884
TOTALS3302475+2827
📊

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