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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Lenka Bartosova

Bib: 22121 •F •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 48%
Masters (Masters Women)
#0 / 6862
Top 34%
Age Group (F45-49)
#0 / 1786
Top 44%
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
24:15
3.11 mi
Rank: #15483
Start → 5K
24:15 | 7:49/mi
10K
48:04
6.21 mi
Rank: #14938 (+545)
5K → 10K
23:49 | 7:40/mi
15K
1:12:12
9.32 mi
Rank: #14960 (-22)
10K → 15K
24:08 | 7:47/mi
20K
1:37:07
12.43 mi
Rank: #15297 (-337)
15K → 20K
24:55 | 8:02/mi
HALF
1:42:26
13.11 mi
Rank: #15305 (-8)
20K → HALF
5:19 | 7:48/mi
25K
2:02:43
15.53 mi
Rank: #15773 (-468)
HALF → 25K
20:17 | 8:22/mi
30K
2:29:51
18.64 mi
Rank: #16267 (-494)
25K → 30K
27:08 | 8:45/mi
20M
2:41:49
20.00 mi
Rank: #16400 (-133)
30K → 20M
11:58 | 8:49/mi
21M
2:51:15
21.00 mi
Rank: #16497 (-97)
20M → 21M
9:26 | 9:26/mi
35K
2:57:33
21.75 mi
Rank: #16494 (+3)
21M → 35K
6:18 | 8:26/mi
23M
3:09:23
23.00 mi
Rank: #16784 (-290)
35K → 23M
11:50 | 9:28/mi
24M
3:17:52
24.00 mi
Rank: #16773 (+11)
23M → 24M
8:29 | 8:29/mi
40K
3:25:20
24.85 mi
Rank: #16767 (+6)
24M → 40K
7:28 | 8:44/mi
25.2M
3:28:35
25.20 mi
Rank: #16747 (+20)
40K → 25.2M
3:15 | 9:26/mi
FINISH
3:37:05
26.22 mi
Rank: #16766 (-19)
25.2M → FINISH
8:30 | 8:21/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
Time1:42:26
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:54:39
Pace8:45 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4324:157:4924:15
7:49
-
10K
6.21 mi11:49:3248:047:4523:49
7:40
-0:09
15K
9.32 mi12:13:401:12:127:4524:08
7:47
+0:07
20K
12.43 mi12:38:351:37:077:4924:55
8:02
+0:15
HALF
13.11 mi12:43:541:42:267:495:19
7:48
-0:14
25K
15.53 mi13:04:112:02:437:5420:17
8:22
+0:34
30K
18.64 mi13:31:192:29:518:0327:08
8:45
+0:23
20M
20.00 mi13:43:172:41:498:0611:58
8:49
+0:04
21M
21.00 mi13:52:432:51:158:109:26
9:26
+0:37
35K
21.75 mi13:59:012:57:338:106:18
8:26
-1:00
23M
23.00 mi14:10:513:09:238:1511:50
9:28
+1:02
24M
24.00 mi14:19:203:17:528:158:29
8:29
-0:59
40K
24.85 mi14:26:483:25:208:167:28
8:44
+0:15
25.2M
25.20 mi14:30:033:28:358:173:15
9:26
+0:42
FINISH
26.22 mi14:38:333:37:058:188:30
8:21
-1:05

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

7:40 /mi

Average Pace

8:17 /mi

Slowest Pace

9:28 /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

1:42:26

47% of race

Time at Steady Pace

43:34

20% of race

Time at Slower Pace

1:11:05

33% of race

Average Pace: 8:17 /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 mi11:25:4324:157:4924:15
7:49
#15483
10K
6.21 mi11:49:3248:047:4523:49
7:40
#14938
15K
9.32 mi12:13:401:12:127:4524:08
7:47
#14960
20K
12.43 mi12:38:351:37:077:4924:55
8:02
#15297
HALF
13.11 mi12:43:541:42:267:495:19
7:48
#15305
25K
15.53 mi13:04:112:02:437:5420:17
8:22
#15773
30K
18.64 mi13:31:192:29:518:0327:08
8:45
#16267
20M
20.00 mi13:43:172:41:498:0611:58
8:49
#16400
21M
21.00 mi13:52:432:51:158:109:26
9:26
#16497
35K
21.75 mi13:59:012:57:338:106:18
8:26
#16494
23M
23.00 mi14:10:513:09:238:1511:50
9:28
#16784
24M
24.00 mi14:19:203:17:528:158:29
8:29
#16773
40K
24.85 mi14:26:483:25:208:167:28
8:44
#16767
25.2M
25.20 mi14:30:033:28:358:173:15
9:26
#16747
FINISH
26.22 mi14:38:333:37:058:188:30
8:21
#16766
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 mi154834989498915097(Top 52%)4807(Top 38%)4807(Top 269%)
10K6.21 mi3.10 mi14938+5454675+3144675+31414472(Top 50%)4388(Top 35%)4388(Top 246%)
15K9.32 mi3.11 mi14960-224712-374712-3715097(Top 52%)4807(Top 38%)4807(Top 269%)
20K12.43 mi3.11 mi15297-3374923-2114923-21116273(Top 56%)5541(Top 44%)5541(Top 310%)
HALF13.11 mi0.68 mi15305-84929-64929-615637(Top 54%)5137(Top 41%)5137(Top 288%)
25K15.53 mi2.42 mi15773-4685233-3045233-30417775(Top 61%)6430(Top 51%)6430(Top 360%)
30K18.64 mi3.11 mi16267-4945565-3325565-33218211(Top 63%)6790(Top 54%)6790(Top 380%)
20M20.00 mi1.36 mi16400-1335652-875652-8718035(Top 62%)6776(Top 54%)6776(Top 379%)
21M21.00 mi1.00 mi16497-975715-635715-6318220(Top 63%)6894(Top 55%)6894(Top 386%)
35K21.75 mi0.75 mi16494+35717-25717-217167(Top 59%)6428(Top 51%)6428(Top 360%)
23M23.00 mi1.25 mi16784-2905920-2035920-20320468(Top 71%)8189(Top 65%)8189(Top 459%)
24M24.00 mi1.00 mi16773+115926-65926-616822(Top 58%)6361(Top 51%)6361(Top 356%)
40K24.85 mi0.85 mi16767+65943-175943-1717037(Top 59%)6533(Top 52%)6533(Top 366%)
25.2M25.20 mi0.35 mi16747+205947-45947-416985(Top 59%)6491(Top 52%)6491(Top 363%)
FINISH26.22 mi1.02 mi16766-195977-305977-3017310(Top 60%)6674(Top 53%)6674(Top 374%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21
+97ft-345ft

Overall

15097

Females

4807

F45-49

4807

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14472

Females

4388

F45-49

4388

10K→15K

6.2 - 9.3 mi

Top 52%
×3
+67ft-78ft

Overall

15097

Females

4807

F45-49

4807

15K→20K

9.3 - 12.4 mi

Top 56%
×5
+106ft-86ft

Overall

16273

Females

5541

F45-49

5541

20K→HALF

12.4 - 13.1 mi

Top 54%
×2
+19ft-37ft

Overall

15637

Females

5137

F45-49

5137

HALF→25K

13.1 - 15.5 mi

Top 61%
×4
+66ft-88ft

Overall

17775

Females

6430

F45-49

6430

25K→30K

15.5 - 18.6 mi

Top 63%
×9
+181ft-148ft

Overall

18211

Females

6790

F45-49

6790

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

18035

Females

6776

F45-49

6776

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18220

Females

6894

F45-49

6894

21M→35K

21.0 - 21.8 mi

Top 59%
×7
+17ft-86ft

Overall

17167

Females

6428

F45-49

6428

35K→23M

21.8 - 23.0 mi

Top 71%
×5
+23ft-63ft

Overall

20468

Females

8189

F45-49

8189

23M→24M

23.0 - 24.0 mi

Top 58%
×6
+12ft-82ft

Overall

16822

Females

6361

F45-49

6361

24M→40K

24.0 - 24.9 mi

Top 59%
×1
+6ft-20ft

Overall

17037

Females

6533

F45-49

6533

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1
+13ft-16ft

Overall

16985

Females

6491

F45-49

6491

25.2M→FINISH

25.2 - 26.2 mi

Top 60%
×2
+22ft-21ft

Overall

17310

Females

6674

F45-49

6674

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1545*
Passed By
1762
Net Change
-1283
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15483
5K → 10K648*103+545#15483#14938
10K → 15K199200-22#14938#14960
15K → 20K93200-337#14960#15297
20K → HALF2331-8#15297#15305
HALF → 25K47200-468#15305#15773
25K → 30K80200-494#15773#16267
30K → 20M57190-133#16267#16400
20M → 21M61158-97#16400#16497
21M → 35K6865+3#16497#16494
35K → 23M36200-290#16494#16784
23M → 24M7463+11#16784#16773
24M → 40K6458+6#16773#16767
40K → 25.2M4121+20#16767#16747
25.2M → FINISH5473-19#16747#16766
TOTALS1545*1762-1283

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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