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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Oksana Karpenko

Bib: 20604 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 44%
Masters (Masters Women)
#0 / 6862
Top 30%
Age Group (F45-49)
#0 / 1786
Top 37%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
23:53
3.11 mi
Rank: #14454
Start → 5K
23:53 | 7:42/mi
10K
48:01
6.21 mi
Rank: #14874 (-420)
5K → 10K
24:08 | 7:47/mi
15K
1:12:36
9.32 mi
Rank: #15343 (-469)
10K → 15K
24:35 | 7:55/mi
20K
1:37:47
12.43 mi
Rank: #15726 (-383)
15K → 20K
25:11 | 8:07/mi
HALF
1:43:10
13.11 mi
Rank: #15765 (-39)
20K → HALF
5:23 | 7:54/mi
25K
2:02:48
15.53 mi
Rank: #15818 (-53)
HALF → 25K
19:38 | 8:06/mi
30K
2:29:02
18.64 mi
Rank: #15956 (-138)
25K → 30K
26:14 | 8:27/mi
20M
2:40:36
20.00 mi
Rank: #15981 (-25)
30K → 20M
11:34 | 8:31/mi
21M
2:49:55
21.00 mi
Rank: #16052 (-71)
20M → 21M
9:19 | 9:19/mi
35K
2:56:01
21.75 mi
Rank: #15998 (+54)
21M → 35K
6:06 | 8:10/mi
23M
3:06:33
23.00 mi
Rank: #15937 (+61)
35K → 23M
10:32 | 8:26/mi
24M
3:15:18
24.00 mi
Rank: #16036 (-99)
23M → 24M
8:45 | 8:45/mi
40K
3:22:33
24.85 mi
Rank: #15995 (+41)
24M → 40K
7:15 | 8:29/mi
25.2M
3:25:51
25.20 mi
Rank: #16017 (-22)
40K → 25.2M
3:18 | 9:35/mi
FINISH
3:34:17
26.22 mi
Rank: #16029 (-12)
25.2M → FINISH
8:26 | 8:17/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:10
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:51:07
Pace8:29 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:3723:537:4223:53
7:42
-
10K
6.21 mi11:32:4548:017:4424:08
7:47
+0:05
15K
9.32 mi11:57:201:12:367:4824:35
7:55
+0:08
20K
12.43 mi12:22:311:37:477:5325:11
8:07
+0:12
HALF
13.11 mi12:27:541:43:107:535:23
7:54
-0:13
25K
15.53 mi12:47:322:02:487:5519:38
8:06
+0:12
30K
18.64 mi13:13:462:29:028:0026:14
8:27
+0:21
20M
20.00 mi13:25:202:40:368:0211:34
8:31
+0:04
21M
21.00 mi13:34:392:49:558:069:19
9:19
+0:48
35K
21.75 mi13:40:452:56:018:066:06
8:10
-1:09
23M
23.00 mi13:51:173:06:338:0710:32
8:26
+0:16
24M
24.00 mi14:00:023:15:188:098:45
8:45
+0:19
40K
24.85 mi14:07:173:22:338:097:15
8:29
-0:16
25.2M
25.20 mi14:10:353:25:518:113:18
9:35
+1:06
FINISH
26.22 mi14:19:013:34:178:118:26
8:17
-1:18

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:42 /mi

Average Pace

8:11 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:17:59

36% of race

Time at Steady Pace

1:54:56

54% of race

Time at Slower Pace

21:22

10% of race

Average Pace: 8:10 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:08:3723:537:4223:53
7:42
#14454
10K
6.21 mi11:32:4548:017:4424:08
7:47
#14874
15K
9.32 mi11:57:201:12:367:4824:35
7:55
#15343
20K
12.43 mi12:22:311:37:477:5325:11
8:07
#15726
HALF
13.11 mi12:27:541:43:107:535:23
7:54
#15765
25K
15.53 mi12:47:322:02:487:5519:38
8:06
#15818
30K
18.64 mi13:13:462:29:028:0026:14
8:27
#15956
20M
20.00 mi13:25:202:40:368:0211:34
8:31
#15981
21M
21.00 mi13:34:392:49:558:069:19
9:19
#16052
35K
21.75 mi13:40:452:56:018:066:06
8:10
#15998
23M
23.00 mi13:51:173:06:338:0710:32
8:26
#15937
24M
24.00 mi14:00:023:15:188:098:45
8:45
#16036
40K
24.85 mi14:07:173:22:338:097:15
8:29
#15995
25.2M
25.20 mi14:10:353:25:518:113:18
9:35
#16017
FINISH
26.22 mi14:19:013:34:178:118:26
8:17
#16029
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi144544343434316337(Top 56%)5533(Top 44%)5533(Top 310%)
10K6.21 mi3.10 mi14874-4204632-2894632-28915354(Top 53%)4924(Top 39%)4924(Top 276%)
15K9.32 mi3.11 mi15343-4694948-3164948-31616337(Top 56%)5533(Top 44%)5533(Top 310%)
20K12.43 mi3.11 mi15726-3835192-2445192-24416886(Top 58%)5872(Top 47%)5872(Top 329%)
HALF13.11 mi0.68 mi15765-395215-235215-2316392(Top 56%)5580(Top 44%)5580(Top 312%)
25K15.53 mi2.42 mi15818-535257-425257-4216100(Top 55%)5485(Top 44%)5485(Top 307%)
30K18.64 mi3.11 mi15956-1385378-1215378-12116532(Top 57%)5829(Top 46%)5829(Top 326%)
20M20.00 mi1.36 mi15981-255409-315409-3116306(Top 56%)5813(Top 46%)5813(Top 325%)
21M21.00 mi1.00 mi16052-715477-685477-6817701(Top 61%)6621(Top 53%)6621(Top 371%)
35K21.75 mi0.75 mi15998+545455+225455+2215530(Top 54%)5488(Top 44%)5488(Top 307%)
23M23.00 mi1.25 mi15937+615452+35452+315211(Top 52%)5375(Top 43%)5375(Top 301%)
24M24.00 mi1.00 mi16036-995526-745526-7418298(Top 63%)7136(Top 57%)7136(Top 400%)
40K24.85 mi0.85 mi15995+415517+95517+915575(Top 54%)5721(Top 45%)5721(Top 320%)
25.2M25.20 mi0.35 mi16017-225537-205537-2017671(Top 61%)6843(Top 54%)6843(Top 383%)
FINISH26.22 mi1.02 mi16029-125568-315568-3116889(Top 58%)6439(Top 51%)6439(Top 361%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21
+97ft-345ft

Overall

16337

Females

5533

F45-49

5533

5K→10K

3.1 - 6.2 mi

Top 53%
×5
+79ft-138ft

Overall

15354

Females

4924

F45-49

4924

10K→15K

6.2 - 9.3 mi

Top 56%
×3
+67ft-78ft

Overall

16337

Females

5533

F45-49

5533

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16886

Females

5872

F45-49

5872

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16392

Females

5580

F45-49

5580

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

16100

Females

5485

F45-49

5485

25K→30K

15.5 - 18.6 mi

Top 57%
×9
+181ft-148ft

Overall

16532

Females

5829

F45-49

5829

30K→20M

18.6 - 20.0 mi

Top 56%
×5
+64ft-50ft

Overall

16306

Females

5813

F45-49

5813

20M→21M

20.0 - 21.0 mi

Top 61%
×8
+106ft-24ft

Overall

17701

Females

6621

F45-49

6621

21M→35K

21.0 - 21.8 mi

Top 54%
×7
+17ft-86ft

Overall

15530

Females

5488

F45-49

5488

35K→23M

21.8 - 23.0 mi

Top 52%
×5
+23ft-63ft

Overall

15211

Females

5375

F45-49

5375

23M→24M

23.0 - 24.0 mi

Top 63%
×6
+12ft-82ft

Overall

18298

Females

7136

F45-49

7136

24M→40K

24.0 - 24.9 mi

Top 54%
×1
+6ft-20ft

Overall

15575

Females

5721

F45-49

5721

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1
+13ft-16ft

Overall

17671

Females

6843

F45-49

6843

25.2M→FINISH

25.2 - 26.2 mi

Top 58%
×2
+22ft-21ft

Overall

16889

Females

6439

F45-49

6439

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1177
Passed By
1678
Net Change
-1575
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14454
5K → 10K151200-420#14454#14874
10K → 15K79200-469#14874#15343
15K → 20K81200-383#15343#15726
20K → HALF2564-39#15726#15765
HALF → 25K122175-53#15765#15818
25K → 30K153200-138#15818#15956
30K → 20M79104-25#15956#15981
20M → 21M82153-71#15981#16052
21M → 35K8329+54#16052#15998
35K → 23M13170+61#15998#15937
23M → 24M36135-99#15937#16036
24M → 40K7433+41#16036#15995
40K → 25.2M2446-22#15995#16017
25.2M → FINISH5769-12#16017#16029
TOTALS11771678-1575
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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