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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Zofia Szweda-Lewandowska

Bib: 21110 •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 44%
Masters (Masters Women)
#0 / 6862
Top 30%
Age Group (F45-49)
#0 / 1786
Top 37%
Race Day Weather
51°/41°F
overcast clouds
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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
24:21
3.11 mi
Rank: #15745
Start → 5K
24:21 | 7:51/mi
10K
48:56
6.21 mi
Rank: #16103 (-358)
5K → 10K
24:35 | 7:55/mi
15K
1:13:43
9.32 mi
Rank: #16343 (-240)
10K → 15K
24:47 | 7:59/mi
20K
1:39:08
12.43 mi
Rank: #16627 (-284)
15K → 20K
25:25 | 8:11/mi
HALF
1:44:43
13.11 mi
Rank: #16718 (-91)
20K → HALF
5:35 | 8:12/mi
25K
2:04:45
15.53 mi
Rank: #16807 (-89)
HALF → 25K
20:02 | 8:16/mi
30K
2:31:14
18.64 mi
Rank: #16795 (+12)
25K → 30K
26:29 | 8:32/mi
20M
2:42:47
20.00 mi
Rank: #16744 (+51)
30K → 20M
11:33 | 8:31/mi
21M
2:51:52
21.00 mi
Rank: #16698 (+46)
20M → 21M
9:05 | 9:05/mi
35K
2:57:51
21.75 mi
Rank: #16585 (+113)
21M → 35K
5:59 | 8:00/mi
23M
3:08:14
23.00 mi
Rank: #16426 (+159)
35K → 23M
10:23 | 8:18/mi
24M
3:16:19
24.00 mi
Rank: #16312 (+114)
23M → 24M
8:05 | 8:05/mi
40K
3:23:16
24.85 mi
Rank: #16185 (+127)
24M → 40K
6:57 | 8:08/mi
25.2M
3:26:17
25.20 mi
Rank: #16138 (+47)
40K → 25.2M
3:01 | 8:45/mi
FINISH
3:34:08
26.22 mi
Rank: #15999 (+139)
25.2M → FINISH
7:51 | 7:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:43
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:49:25
Pace8:21 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:4424:217:5124:21
7:51
-
10K
6.21 mi11:35:1948:567:5324:35
7:55
+0:04
15K
9.32 mi12:00:061:13:437:5524:47
7:59
+0:04
20K
12.43 mi12:25:311:39:087:5925:25
8:11
+0:12
HALF
13.11 mi12:31:061:44:438:005:35
8:12
+0:01
25K
15.53 mi12:51:082:04:458:0220:02
8:16
+0:04
30K
18.64 mi13:17:372:31:148:0726:29
8:32
+0:16
20M
20.00 mi13:29:102:42:478:0911:33
8:31
-0:01
21M
21.00 mi13:38:152:51:528:129:05
9:05
+0:34
35K
21.75 mi13:44:142:57:518:115:59
8:00
-1:05
23M
23.00 mi13:54:373:08:148:1210:23
8:18
+0:18
24M
24.00 mi14:02:423:16:198:118:05
8:05
-0:13
40K
24.85 mi14:09:393:23:168:116:57
8:08
+0:03
25.2M
25.20 mi14:12:403:26:178:123:01
8:45
+0:37
FINISH
26.22 mi14:20:313:34:088:117:51
7:43
-1:02

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

7:43 /mi

Average Pace

8:10 /mi

Slowest Pace

9:05 /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

2:44:00

77% of race

Time at Steady Pace

50:08

23% of race

Time at Slower Pace

0:00

0% 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 mi11:10:4424:217:5124:21
7:51
#15745
10K
6.21 mi11:35:1948:567:5324:35
7:55
#16103
15K
9.32 mi12:00:061:13:437:5524:47
7:59
#16343
20K
12.43 mi12:25:311:39:087:5925:25
8:11
#16627
HALF
13.11 mi12:31:061:44:438:005:35
8:12
#16718
25K
15.53 mi12:51:082:04:458:0220:02
8:16
#16807
30K
18.64 mi13:17:372:31:148:0726:29
8:32
#16795
20M
20.00 mi13:29:102:42:478:0911:33
8:31
#16744
21M
21.00 mi13:38:152:51:528:129:05
9:05
#16698
35K
21.75 mi13:44:142:57:518:115:59
8:00
#16585
23M
23.00 mi13:54:373:08:148:1210:23
8:18
#16426
24M
24.00 mi14:02:423:16:198:118:05
8:05
#16312
40K
24.85 mi14:09:393:23:168:116:57
8:08
#16185
25.2M
25.20 mi14:12:403:26:178:123:01
8:45
#16138
FINISH
26.22 mi14:20:313:34:088:117:51
7:43
#15999
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 mi157455153515316853(Top 58%)5816(Top 46%)5816(Top 326%)
10K6.21 mi3.10 mi16103-3585403-2505403-25016585(Top 57%)5665(Top 45%)5665(Top 317%)
15K9.32 mi3.11 mi16343-2405550-1475550-14716853(Top 58%)5816(Top 46%)5816(Top 326%)
20K12.43 mi3.11 mi16627-2845711-1615711-16117375(Top 60%)6138(Top 49%)6138(Top 344%)
HALF13.11 mi0.68 mi16718-915774-635774-6318347(Top 63%)6659(Top 53%)6659(Top 373%)
25K15.53 mi2.42 mi16807-895825-515825-5117197(Top 59%)6099(Top 48%)6099(Top 341%)
30K18.64 mi3.11 mi16795+125856-315856-3117057(Top 59%)6126(Top 49%)6126(Top 343%)
20M20.00 mi1.36 mi16744+515837+195837+1916234(Top 56%)5771(Top 46%)5771(Top 323%)
21M21.00 mi1.00 mi16698+465827+105827+1016579(Top 57%)6012(Top 48%)6012(Top 337%)
35K21.75 mi0.75 mi16585+1135771+565771+5614536(Top 50%)4940(Top 39%)4940(Top 277%)
23M23.00 mi1.25 mi16426+1595716+555716+5514473(Top 50%)4980(Top 40%)4980(Top 279%)
24M24.00 mi1.00 mi16312+1145679+375679+3714352(Top 49%)4996(Top 40%)4996(Top 280%)
40K24.85 mi0.85 mi16185+1275620+595620+5913382(Top 46%)4554(Top 36%)4554(Top 255%)
25.2M25.20 mi0.35 mi16138+475608+125608+1213326(Top 46%)4558(Top 36%)4558(Top 255%)
FINISH26.22 mi1.02 mi15999+1395550+585550+5813064(Top 45%)4428(Top 35%)4428(Top 248%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16853

Females

5816

F45-49

5816

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16585

Females

5665

F45-49

5665

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16853

Females

5816

F45-49

5816

15K→20K

9.3 - 12.4 mi

Top 60%
×5
+106ft-86ft

Overall

17375

Females

6138

F45-49

6138

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18347

Females

6659

F45-49

6659

HALF→25K

13.1 - 15.5 mi

Top 59%
×4
+66ft-88ft

Overall

17197

Females

6099

F45-49

6099

25K→30K

15.5 - 18.6 mi

Top 59%
×9
+181ft-148ft

Overall

17057

Females

6126

F45-49

6126

30K→20M

18.6 - 20.0 mi

Top 56%
×5
+64ft-50ft

Overall

16234

Females

5771

F45-49

5771

20M→21M

20.0 - 21.0 mi

Top 57%
×8
+106ft-24ft

Overall

16579

Females

6012

F45-49

6012

21M→35K

21.0 - 21.8 mi

Top 50%
×7
+17ft-86ft

Overall

14536

Females

4940

F45-49

4940

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14473

Females

4980

F45-49

4980

23M→24M

23.0 - 24.0 mi

Top 49%
×6
+12ft-82ft

Overall

14352

Females

4996

F45-49

4996

24M→40K

24.0 - 24.9 mi

Top 46%
×1
+6ft-20ft

Overall

13382

Females

4554

F45-49

4554

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1
+13ft-16ft

Overall

13326

Females

4558

F45-49

4558

25.2M→FINISH

25.2 - 26.2 mi

Top 45%
×2
+22ft-21ft

Overall

13064

Females

4428

F45-49

4428

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1703*
Passed By
1297
Net Change
-254
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15745
5K → 10K152200-358#15745#16103
10K → 15K112200-240#16103#16343
15K → 20K114200-284#16343#16627
20K → HALF798-91#16627#16718
HALF → 25K110199-89#16718#16807
25K → 30K207*195+12#16807#16795
30K → 20M10655+51#16795#16744
20M → 21M11165+46#16744#16698
21M → 35K12310+113#16698#16585
35K → 23M18223+159#16585#16426
23M → 24M13622+114#16426#16312
24M → 40K1358+127#16312#16185
40K → 25.2M6013+47#16185#16138
25.2M → FINISH1489+139#16138#15999
TOTALS1703*1297-254

* 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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