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BOSTON MARATHON 2025

Ronni Komarow

Bib: 25629•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F70-74)
#0 / 71
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:33
Rank: #23208
Start → 5K
28:33 | 9:11/mi
10K· 6.21 mi
57:52
Rank: #23612 (-404)
5K → 10K
29:19 | 9:26/mi
15K· 9.32 mi
1:27:24
Rank: #23694 (-82)
10K → 15K
29:32 | 9:30/mi
20K· 12.43 mi
1:59:09
Rank: #23972 (-278)
15K → 20K
31:45 | 10:13/mi
Half· 13.11 mi
2:05:54
Rank: #24021 (-49)
20K → Half
6:45 | 9:54/mi
25K· 15.53 mi
2:30:45
Rank: #23988 (+33)
Half → 25K
24:51 | 10:15/mi
30K· 18.64 mi
3:05:56
Rank: #24173 (-185)
25K → 30K
35:11 | 11:19/mi
20M
3:21:06
Rank: #24125 (+48)
30K → 20M
15:10 | 11:10/mi
21M
3:33:09
Rank: #24117 (+8)
20M → 21M
12:03 | 12:03/mi
35K· 21.75 mi
3:41:27
Rank: #24122 (-5)
21M → 35K
8:18 | 11:06/mi
23M
3:55:41
Rank: #24117 (+5)
35K → 23M
14:14 | 11:22/mi
24M
4:07:04
Rank: #24165 (-48)
23M → 24M
11:23 | 11:23/mi
40K· 24.85 mi
4:16:52
Rank: #24174 (-9)
24M → 40K
9:48 | 11:28/mi
25.2M
4:21:06
Rank: #24166 (+8)
40K → 25.2M
4:14 | 12:17/mi
Finish· 26.22 mi
4:31:58
Rank: #24190 (-24)
25.2M → Finish
10:52 | 10:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:54
Pace9:36 /mi
2nd Half
Distance13.11 mi
Time2:26:04
Pace11:09 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:2428:339:1128:33
9:11
-
10K
6.21 mi12:24:4357:529:1929:19
9:26
+0:15
15K
9.32 mi12:54:151:27:249:2329:32
9:30
+0:04
20K
12.43 mi13:26:001:59:099:3531:45
10:13
+0:43
Half
13.11 mi13:32:452:05:549:366:45
9:54
-0:19
25K
15.53 mi13:57:362:30:459:4224:51
10:15
+0:21
30K
18.64 mi14:32:473:05:569:5835:11
11:19
+1:04
20M
20.00 mi14:47:573:21:0610:0315:10
11:10
-0:09
21M
21.00 mi15:00:003:33:0910:0912:03
12:03
+0:53
35K
21.75 mi15:08:183:41:2710:118:18
11:06
-0:57
23M
23.00 mi15:22:323:55:4110:1514:14
11:22
+0:16
24M
24.00 mi15:33:554:07:0410:1811:23
11:23
+0:01
40K
24.85 mi15:43:434:16:5210:209:48
11:28
+0:05
25.2M
25.20 mi15:47:574:21:0610:224:14
12:17
+0:49
Finish
26.22 mi15:58:494:31:5810:2310:52
10:40
-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

9:11 /mi

Average Pace

10:23 /mi

Slowest Pace

12:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:45

55% of race

Time at Steady Pace

1:44:56

39% of race

Time at Slower Pace

16:17

6% of race

Average Pace: 10:22 /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 mi11:55:2428:339:1128:33
9:11
#23208
10K
6.21 mi12:24:4357:529:1929:19
9:26
#23612
15K
9.32 mi12:54:151:27:249:2329:32
9:30
#23694
20K
12.43 mi13:26:001:59:099:3531:45
10:13
#23972
Half
13.11 mi13:32:452:05:549:366:45
9:54
#24021
25K
15.53 mi13:57:362:30:459:4224:51
10:15
#23988
30K
18.64 mi14:32:473:05:569:5835:11
11:19
#24173
20M
20.00 mi14:47:573:21:0610:0315:10
11:10
#24125
21M
21.00 mi15:00:003:33:0910:0912:03
12:03
#24117
35K
21.75 mi15:08:183:41:2710:118:18
11:06
#24122
23M
23.00 mi15:22:323:55:4110:1514:14
11:22
#24117
24M
24.00 mi15:33:554:07:0410:1811:23
11:23
#24165
40K
24.85 mi15:43:434:16:5210:209:48
11:28
#24174
25.2M
25.20 mi15:47:574:21:0610:224:14
12:17
#24166
Finish
26.22 mi15:58:494:31:5810:2310:52
10:40
#24190
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi3.11 mi232089281928123771(Top 84%)9526(Top 78%)9526(Top 13417%)
10K6.21 mi3.10 mi23612-4049490-2099490-20923950(Top 84%)9655(Top 79%)9655(Top 13599%)
15K9.32 mi3.11 mi23694-829515-259515-2523771(Top 84%)9526(Top 78%)9526(Top 13417%)
20K12.43 mi3.11 mi23972-2789679-1649679-16424688(Top 87%)10100(Top 83%)10100(Top 14225%)
Half13.11 mi0.68 mi24021-499705-269705-2624625(Top 87%)10072(Top 82%)10072(Top 14186%)
25K15.53 mi2.42 mi23988+339694+119694+1123837(Top 84%)9657(Top 79%)9657(Top 13601%)
30K18.64 mi3.11 mi24173-1859821-1279821-12724591(Top 87%)10174(Top 83%)10174(Top 14330%)
20M20.00 mi1.36 mi24125+489827-69827-623918(Top 84%)9916(Top 81%)9916(Top 13966%)
21M21.00 mi1.00 mi24117+89829-29829-223696(Top 83%)9865(Top 81%)9865(Top 13894%)
35K21.75 mi0.75 mi24122-59834-59834-524429(Top 86%)10294(Top 84%)10294(Top 14499%)
23M23.00 mi1.25 mi24117+59858-249858-2424033(Top 85%)10117(Top 83%)10117(Top 14249%)
24M24.00 mi1.00 mi24165-489904-469904-4624706(Top 87%)10492(Top 86%)10492(Top 14777%)
40K24.85 mi0.85 mi24174-99919-159919-1524073(Top 85%)10200(Top 83%)10200(Top 14366%)
25.2M25.20 mi0.35 mi24166+89920-19920-123792(Top 84%)10066(Top 82%)10066(Top 14177%)
Finish26.22 mi1.02 mi24190-249935-159935-1524664(Top 87%)10490(Top 86%)10490(Top 14775%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

23771

Females

9526

F70-74

9526

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23950

Females

9655

F70-74

9655

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

23771

Females

9526

F70-74

9526

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

24688

Females

10100

F70-74

10100

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24625

Females

10072

F70-74

10072

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23837

Females

9657

F70-74

9657

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

24591

Females

10174

F70-74

10174

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

23918

Females

9916

F70-74

9916

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

23696

Females

9865

F70-74

9865

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

24429

Females

10294

F70-74

10294

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

24033

Females

10117

F70-74

10117

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

24706

Females

10492

F70-74

10492

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24073

Females

10200

F70-74

10200

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23792

Females

10066

F70-74

10066

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24664

Females

10490

F70-74

10490

Passing Analysis

Category:
Athletes Passed
924
Passed By
1906
Net Change
-982
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23208
5K → 10K99503-404#23208#23612
10K → 15K148230-82#23612#23694
15K → 20K59337-278#23694#23972
20K → Half1160-49#23972#24021
Half → 25K137104+33#24021#23988
25K → 30K84269-185#23988#24173
30K → 20M9850+48#24173#24125
20M → 21M6860+8#24125#24117
21M → 35K2833-5#24117#24122
35K → 23M7671+5#24122#24117
23M → 24M2674-48#24117#24165
24M → 40K4150-9#24165#24174
40K → 25.2M179+8#24174#24166
25.2M → Finish3256-24#24166#24190
TOTALS9241906-982
📊

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