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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Joanna Krawczuk

Bib: 24203 •F •Age: N/A

NY

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 47%
Masters (Masters Women)
#0 / 6862
Top 34%
Age Group (F50-54)
#0 / 1233
Top 29%
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
24:50
3.11 mi
Rank: #16911
Start → 5K
24:50 | 8:00/mi
10K
49:23
6.21 mi
Rank: #16703 (+208)
5K → 10K
24:33 | 7:55/mi
15K
1:15:14
9.32 mi
Rank: #17569 (-866)
10K → 15K
25:51 | 8:20/mi
20K
1:40:10
12.43 mi
Rank: #17264 (+305)
15K → 20K
24:56 | 8:02/mi
HALF
1:45:33
13.11 mi
Rank: #17212 (+52)
20K → HALF
5:23 | 7:54/mi
25K
2:05:17
15.53 mi
Rank: #17033 (+179)
HALF → 25K
19:44 | 8:09/mi
30K
2:31:34
18.64 mi
Rank: #16925 (+108)
25K → 30K
26:17 | 8:28/mi
20M
2:43:12
20.00 mi
Rank: #16880 (+45)
30K → 20M
11:38 | 8:34/mi
21M
2:52:18
21.00 mi
Rank: #16835 (+45)
20M → 21M
9:06 | 9:06/mi
35K
2:58:40
21.75 mi
Rank: #16852 (-17)
21M → 35K
6:22 | 8:31/mi
23M
3:09:34
23.00 mi
Rank: #16829 (+23)
35K → 23M
10:54 | 8:43/mi
24M
3:17:56
24.00 mi
Rank: #16789 (+40)
23M → 24M
8:22 | 8:22/mi
40K
3:25:20
24.85 mi
Rank: #16766 (+23)
24M → 40K
7:24 | 8:40/mi
25.2M
3:28:32
25.20 mi
Rank: #16736 (+30)
40K → 25.2M
3:12 | 9:17/mi
FINISH
3:36:50
26.22 mi
Rank: #16697 (+39)
25.2M → FINISH
8:18 | 8:09/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
Time1:45:33
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:51:17
Pace8:30 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:2624:508:0024:50
8:00
-
10K
6.21 mi11:52:5949:237:5724:33
7:55
-0:05
15K
9.32 mi12:18:501:15:148:0525:51
8:20
+0:25
20K
12.43 mi12:43:461:40:108:0424:56
8:02
-0:18
HALF
13.11 mi12:49:091:45:338:045:23
7:54
-0:08
25K
15.53 mi13:08:532:05:178:0419:44
8:09
+0:15
30K
18.64 mi13:35:102:31:348:0826:17
8:28
+0:19
20M
20.00 mi13:46:482:43:128:1011:38
8:34
+0:06
21M
21.00 mi13:55:542:52:188:139:06
9:06
+0:32
35K
21.75 mi14:02:162:58:408:136:22
8:31
-0:35
23M
23.00 mi14:13:103:09:348:1510:54
8:43
+0:12
24M
24.00 mi14:21:323:17:568:158:22
8:22
-0:21
40K
24.85 mi14:28:563:25:208:167:24
8:40
+0:18
25.2M
25.20 mi14:32:083:28:328:173:12
9:17
+0:37
FINISH
26.22 mi14:40:263:36:508:178:18
8:09
-1:08

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

7:54 /mi

Average Pace

8:17 /mi

Slowest Pace

9:17 /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

3:13:38

89% of race

Time at Steady Pace

23:12

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:16 /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 mi11:28:2624:508:0024:50
8:00
#16911
10K
6.21 mi11:52:5949:237:5724:33
7:55
#16703
15K
9.32 mi12:18:501:15:148:0525:51
8:20
#17569
20K
12.43 mi12:43:461:40:108:0424:56
8:02
#17264
HALF
13.11 mi12:49:091:45:338:045:23
7:54
#17212
25K
15.53 mi13:08:532:05:178:0419:44
8:09
#17033
30K
18.64 mi13:35:102:31:348:0826:17
8:28
#16925
20M
20.00 mi13:46:482:43:128:1011:38
8:34
#16880
21M
21.00 mi13:55:542:52:188:139:06
9:06
#16835
35K
21.75 mi14:02:162:58:408:136:22
8:31
#16852
23M
23.00 mi14:13:103:09:348:1510:54
8:43
#16829
24M
24.00 mi14:21:323:17:568:158:22
8:22
#16789
40K
24.85 mi14:28:563:25:208:167:24
8:40
#16766
25.2M
25.20 mi14:32:083:28:328:173:12
9:17
#16736
FINISH
26.22 mi14:40:263:36:508:178:18
8:09
#16697
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi169115872587219099(Top 66%)7087(Top 56%)7087(Top 575%)
10K6.21 mi3.10 mi16703+2085755+1175755+11716492(Top 57%)5618(Top 45%)5618(Top 456%)
15K9.32 mi3.11 mi17569-8666255-5006255-50019099(Top 66%)7087(Top 56%)7087(Top 575%)
20K12.43 mi3.11 mi17264+3056083+1726083+17216304(Top 56%)5556(Top 44%)5556(Top 451%)
HALF13.11 mi0.68 mi17212+526056+276056+2716408(Top 57%)5596(Top 44%)5596(Top 454%)
25K15.53 mi2.42 mi17033+1795965+915965+9116398(Top 57%)5651(Top 45%)5651(Top 458%)
30K18.64 mi3.11 mi16925+1085919+465919+4616657(Top 57%)5907(Top 47%)5907(Top 479%)
20M20.00 mi1.36 mi16880+455908+115908+1116586(Top 57%)5964(Top 47%)5964(Top 484%)
21M21.00 mi1.00 mi16835+455903+55903+516674(Top 57%)6070(Top 48%)6070(Top 492%)
35K21.75 mi0.75 mi16852-175929-265929-2617653(Top 61%)6702(Top 53%)6702(Top 544%)
23M23.00 mi1.25 mi16829+235947-185947-1816974(Top 58%)6418(Top 51%)6418(Top 521%)
24M24.00 mi1.00 mi16789+405937+105937+1016141(Top 56%)5991(Top 48%)5991(Top 486%)
40K24.85 mi0.85 mi16766+235942-55942-516624(Top 57%)6313(Top 50%)6313(Top 512%)
25.2M25.20 mi0.35 mi16736+305940+25940+216266(Top 56%)6102(Top 49%)6102(Top 495%)
FINISH26.22 mi1.02 mi16697+395941-15941-116103(Top 55%)6002(Top 48%)6002(Top 487%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19099

Females

7087

F50-54

7087

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16492

Females

5618

F50-54

5618

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19099

Females

7087

F50-54

7087

15K→20K

9.3 - 12.4 mi

Top 56%
×5
+106ft-86ft

Overall

16304

Females

5556

F50-54

5556

20K→HALF

12.4 - 13.1 mi

Top 57%
×2
+19ft-37ft

Overall

16408

Females

5596

F50-54

5596

HALF→25K

13.1 - 15.5 mi

Top 57%
×4
+66ft-88ft

Overall

16398

Females

5651

F50-54

5651

25K→30K

15.5 - 18.6 mi

Top 57%
×9
+181ft-148ft

Overall

16657

Females

5907

F50-54

5907

30K→20M

18.6 - 20.0 mi

Top 57%
×5
+64ft-50ft

Overall

16586

Females

5964

F50-54

5964

20M→21M

20.0 - 21.0 mi

Top 57%
×8
+106ft-24ft

Overall

16674

Females

6070

F50-54

6070

21M→35K

21.0 - 21.8 mi

Top 61%
×7
+17ft-86ft

Overall

17653

Females

6702

F50-54

6702

35K→23M

21.8 - 23.0 mi

Top 58%
×5
+23ft-63ft

Overall

16974

Females

6418

F50-54

6418

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16141

Females

5991

F50-54

5991

24M→40K

24.0 - 24.9 mi

Top 57%
×1
+6ft-20ft

Overall

16624

Females

6313

F50-54

6313

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1
+13ft-16ft

Overall

16266

Females

6102

F50-54

6102

25.2M→FINISH

25.2 - 26.2 mi

Top 55%
×2
+22ft-21ft

Overall

16103

Females

6002

F50-54

6002

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1973*
Passed By
1068
Net Change
+214
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16911
5K → 10K407*199+208#16911#16703
10K → 15K25200-866#16703#17569
15K → 20K346*41+305#17569#17264
20K → HALF619+52#17264#17212
HALF → 25K226*47+179#17212#17033
25K → 30K243*135+108#17033#16925
30K → 20M10661+45#16925#16880
20M → 21M10964+45#16880#16835
21M → 35K5673-17#16835#16852
35K → 23M10683+23#16852#16829
23M → 24M9151+40#16829#16789
24M → 40K7047+23#16789#16766
40K → 25.2M4616+30#16766#16736
25.2M → FINISH8142+39#16736#16697
TOTALS1973*1068+214

* 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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Activity Data

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