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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Alexandra Zofia Kolaski

Bib: 16693 •F •Age: N/A

UT

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 43%
Gender (Female)
#0 / 12578
Top 28%
Age Group (F18-39)
#0 / 5716
Top 47%
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
23:24
3.11 mi
Rank: #13057
Start → 5K
23:24 | 7:32/mi
10K
47:13
6.21 mi
Rank: #13736 (-679)
5K → 10K
23:49 | 7:40/mi
15K
1:12:10
9.32 mi
Rank: #14912 (-1176)
10K → 15K
24:57 | 8:02/mi
20K
1:36:16
12.43 mi
Rank: #14699 (+213)
15K → 20K
24:06 | 7:46/mi
HALF
1:41:28
13.11 mi
Rank: #14655 (+44)
20K → HALF
5:12 | 7:38/mi
25K
2:00:20
15.53 mi
Rank: #14477 (+178)
HALF → 25K
18:52 | 7:47/mi
30K
2:24:20
18.64 mi
Rank: #13866 (+611)
25K → 30K
24:00 | 7:44/mi
20M
2:34:54
20.00 mi
Rank: #13631 (+235)
30K → 20M
10:34 | 7:47/mi
21M
2:42:54
21.00 mi
Rank: #13404 (+227)
20M → 21M
8:00 | 8:00/mi
35K
2:48:35
21.75 mi
Rank: #13311 (+93)
21M → 35K
5:41 | 7:36/mi
23M
2:58:22
23.00 mi
Rank: #13160 (+151)
35K → 23M
9:47 | 7:50/mi
24M
3:05:52
24.00 mi
Rank: #13022 (+138)
23M → 24M
7:30 | 7:30/mi
40K
3:12:19
24.85 mi
Rank: #12854 (+168)
24M → 40K
6:27 | 7:33/mi
25.2M
3:15:02
25.20 mi
Rank: #12750 (+104)
40K → 25.2M
2:43 | 7:53/mi
FINISH
3:22:11
26.22 mi
Rank: #12526 (+224)
25.2M → FINISH
7:09 | 7:01/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:41:28
Pace7:45 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:40:43
Pace7:41 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:04:5023:247:3223:24
7:32
-
10K
6.21 mi11:28:3947:137:3623:49
7:40
+0:08
15K
9.32 mi11:53:361:12:107:4524:57
8:02
+0:22
20K
12.43 mi12:17:421:36:167:4524:06
7:46
-0:16
HALF
13.11 mi12:22:541:41:287:455:12
7:38
-0:08
25K
15.53 mi12:41:462:00:207:4518:52
7:47
+0:09
30K
18.64 mi13:05:462:24:207:4524:00
7:44
-0:03
20M
20.00 mi13:16:202:34:547:4510:34
7:47
+0:03
21M
21.00 mi13:24:202:42:547:468:00
8:00
+0:13
35K
21.75 mi13:30:012:48:357:465:41
7:36
-0:24
23M
23.00 mi13:39:482:58:227:469:47
7:50
+0:14
24M
24.00 mi13:47:183:05:527:457:30
7:30
-0:20
40K
24.85 mi13:53:453:12:197:456:27
7:33
+0:03
25.2M
25.20 mi13:56:283:15:027:452:43
7:53
+0:20
FINISH
26.22 mi14:03:373:22:117:447:09
7:01
-0:52

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

7:01 /mi

Average Pace

7:43 /mi

Slowest Pace

8:02 /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

1:19:12

39% of race

Time at Steady Pace

2:02:59

61% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi11:04:5023:247:3223:24
7:32
#13057
10K
6.21 mi11:28:3947:137:3623:49
7:40
#13736
15K
9.32 mi11:53:361:12:107:4524:57
8:02
#14912
20K
12.43 mi12:17:421:36:167:4524:06
7:46
#14699
HALF
13.11 mi12:22:541:41:287:455:12
7:38
#14655
25K
15.53 mi12:41:462:00:207:4518:52
7:47
#14477
30K
18.64 mi13:05:462:24:207:4524:00
7:44
#13866
20M
20.00 mi13:16:202:34:547:4510:34
7:47
#13631
21M
21.00 mi13:24:202:42:547:468:00
8:00
#13404
35K
21.75 mi13:30:012:48:357:465:41
7:36
#13311
23M
23.00 mi13:39:482:58:227:469:47
7:50
#13160
24M
24.00 mi13:47:183:05:527:457:30
7:30
#13022
40K
24.85 mi13:53:453:12:197:456:27
7:33
#12854
25.2M
25.20 mi13:56:283:15:027:452:43
7:53
#12750
FINISH
26.22 mi14:03:373:22:117:447:09
7:01
#12526
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130573521352117249(Top 59%)6049(Top 48%)6049(Top 106%)
10K6.21 mi3.10 mi13736-6793936-4153936-41514459(Top 50%)4375(Top 35%)4375(Top 77%)
15K9.32 mi3.11 mi14912-11764678-7424678-74217249(Top 59%)6049(Top 48%)6049(Top 106%)
20K12.43 mi3.11 mi14699+2134553+1254553+12514193(Top 49%)4317(Top 34%)4317(Top 76%)
HALF13.11 mi0.68 mi14655+444517+364517+3614127(Top 49%)4211(Top 33%)4211(Top 74%)
25K15.53 mi2.42 mi14477+1784448+694448+6913681(Top 47%)4103(Top 33%)4103(Top 72%)
30K18.64 mi3.11 mi13866+6114114+3344114+33411447(Top 39%)3007(Top 24%)3007(Top 53%)
20M20.00 mi1.36 mi13631+2354019+954019+9511219(Top 39%)3010(Top 24%)3010(Top 53%)
21M21.00 mi1.00 mi13404+2273923+963923+969937(Top 34%)2482(Top 20%)2482(Top 43%)
35K21.75 mi0.75 mi13311+933884+393884+3911604(Top 40%)3328(Top 26%)3328(Top 58%)
23M23.00 mi1.25 mi13160+1513824+603824+6011183(Top 39%)3212(Top 26%)3212(Top 56%)
24M24.00 mi1.00 mi13022+1383761+633761+6310138(Top 35%)2744(Top 22%)2744(Top 48%)
40K24.85 mi0.85 mi12854+1683701+603701+609221(Top 32%)2402(Top 19%)2402(Top 42%)
25.2M25.20 mi0.35 mi12750+1043648+533648+537737(Top 27%)1786(Top 14%)1786(Top 31%)
FINISH26.22 mi1.02 mi12526+2243556+923556+927766(Top 27%)1822(Top 14%)1822(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21
+97ft-345ft

Overall

17249

Females

6049

F18-39

6049

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14459

Females

4375

F18-39

4375

10K→15K

6.2 - 9.3 mi

Top 59%
×3
+67ft-78ft

Overall

17249

Females

6049

F18-39

6049

15K→20K

9.3 - 12.4 mi

Top 49%
×5
+106ft-86ft

Overall

14193

Females

4317

F18-39

4317

20K→HALF

12.4 - 13.1 mi

Top 49%
×2
+19ft-37ft

Overall

14127

Females

4211

F18-39

4211

HALF→25K

13.1 - 15.5 mi

Top 47%
×4
+66ft-88ft

Overall

13681

Females

4103

F18-39

4103

25K→30K

15.5 - 18.6 mi

Top 39%
×9
+181ft-148ft

Overall

11447

Females

3007

F18-39

3007

30K→20M

18.6 - 20.0 mi

Top 39%
×5
+64ft-50ft

Overall

11219

Females

3010

F18-39

3010

20M→21M

20.0 - 21.0 mi

Top 34%
×8
+106ft-24ft

Overall

9937

Females

2482

F18-39

2482

21M→35K

21.0 - 21.8 mi

Top 40%
×7
+17ft-86ft

Overall

11604

Females

3328

F18-39

3328

35K→23M

21.8 - 23.0 mi

Top 39%
×5
+23ft-63ft

Overall

11183

Females

3212

F18-39

3212

23M→24M

23.0 - 24.0 mi

Top 35%
×6
+12ft-82ft

Overall

10138

Females

2744

F18-39

2744

24M→40K

24.0 - 24.9 mi

Top 32%
×1
+6ft-20ft

Overall

9221

Females

2402

F18-39

2402

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1
+13ft-16ft

Overall

7737

Females

1786

F18-39

1786

25.2M→FINISH

25.2 - 26.2 mi

Top 27%
×2
+22ft-21ft

Overall

7766

Females

1822

F18-39

1822

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2738*
Passed By
633
Net Change
+531
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13057
5K → 10K89200-679#13057#13736
10K → 15K30200-1176#13736#14912
15K → 20K302*89+213#14912#14699
20K → HALF5713+44#14699#14655
HALF → 25K225*47+178#14655#14477
25K → 30K618*7+611#14477#13866
30K → 20M249*14+235#13866#13631
20M → 21M235*8+227#13631#13404
21M → 35K11219+93#13404#13311
35K → 23M17120+151#13311#13160
23M → 24M1479+138#13160#13022
24M → 40K1713+168#13022#12854
40K → 25.2M1040+104#12854#12750
25.2M → FINISH228*4+224#12750#12526
TOTALS2738*633+531

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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