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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Karolina Szafraniec

Bib: 20640 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 32%
Gender (Female)
#0 / 12578
Top 15%
Masters (Masters Women)
#0 / 6862
Top 4%
Age Group (F40-44)
#0 / 1737
Top 10%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Karolina

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 6:46/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
21:01
3.11 mi
Rank: #6547
Start → 5K
21:01 | 6:46/mi
10K
42:39
6.21 mi
Rank: #7514 (-967)
5K → 10K
21:38 | 6:58/mi
15K
1:04:44
9.32 mi
Rank: #8177 (-663)
10K → 15K
22:05 | 7:07/mi
20K
1:27:25
12.43 mi
Rank: #8616 (-439)
15K → 20K
22:41 | 7:19/mi
HALF
1:32:16
13.11 mi
Rank: #8647 (-31)
20K → HALF
4:51 | 7:07/mi
25K
1:50:04
15.53 mi
Rank: #8811 (-164)
HALF → 25K
17:48 | 7:21/mi
30K
2:13:39
18.64 mi
Rank: #8985 (-174)
25K → 30K
23:35 | 7:36/mi
20M
2:24:07
20.00 mi
Rank: #9074 (-89)
30K → 20M
10:28 | 7:43/mi
21M
2:32:21
21.00 mi
Rank: #9186 (-112)
20M → 21M
8:14 | 8:14/mi
35K
2:37:53
21.75 mi
Rank: #9171 (+15)
21M → 35K
5:32 | 7:24/mi
23M
2:47:26
23.00 mi
Rank: #9151 (+20)
35K → 23M
9:33 | 7:38/mi
24M
2:54:53
24.00 mi
Rank: #9133 (+18)
23M → 24M
7:27 | 7:27/mi
40K
3:01:24
24.85 mi
Rank: #9113 (+20)
24M → 40K
6:31 | 7:38/mi
25.2M
3:04:18
25.20 mi
Rank: #9126 (-13)
40K → 25.2M
2:54 | 8:25/mi
FINISH
3:11:57
26.22 mi
Rank: #9183 (-57)
25.2M → FINISH
7:39 | 7:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:16
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:39:41
Pace7:37 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:3221:016:4621:01
6:46
-
10K
6.21 mi11:27:1042:396:5221:38
6:58
+0:12
15K
9.32 mi11:49:151:04:446:5722:05
7:07
+0:09
20K
12.43 mi12:11:561:27:257:0322:41
7:19
+0:12
HALF
13.11 mi12:16:471:32:167:034:51
7:07
-0:12
25K
15.53 mi12:34:351:50:047:0617:48
7:21
+0:14
30K
18.64 mi12:58:102:13:397:1123:35
7:36
+0:15
20M
20.00 mi13:08:382:24:077:1310:28
7:43
+0:07
21M
21.00 mi13:16:522:32:217:168:14
8:14
+0:31
35K
21.75 mi13:22:242:37:537:165:32
7:24
-0:50
23M
23.00 mi13:31:572:47:267:179:33
7:38
+0:14
24M
24.00 mi13:39:242:54:537:187:27
7:27
-0:11
40K
24.85 mi13:45:553:01:247:186:31
7:38
+0:11
25.2M
25.20 mi13:48:493:04:187:192:54
8:25
+0:47
FINISH
26.22 mi13:56:283:11:577:207:39
7:31
-0:54

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

6:46 /mi

Average Pace

7:20 /mi

Slowest Pace

8:25 /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

1:09:35

36% of race

Time at Steady Pace

1:40:46

52% of race

Time at Slower Pace

21:36

11% of race

Average Pace: 7:19 /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 mi11:05:3221:016:4621:01
6:46
#6547
10K
6.21 mi11:27:1042:396:5221:38
6:58
#7514
15K
9.32 mi11:49:151:04:446:5722:05
7:07
#8177
20K
12.43 mi12:11:561:27:257:0322:41
7:19
#8616
HALF
13.11 mi12:16:471:32:167:034:51
7:07
#8647
25K
15.53 mi12:34:351:50:047:0617:48
7:21
#8811
30K
18.64 mi12:58:102:13:397:1123:35
7:36
#8985
20M
20.00 mi13:08:382:24:077:1310:28
7:43
#9074
21M
21.00 mi13:16:522:32:217:168:14
8:14
#9186
35K
21.75 mi13:22:242:37:537:165:32
7:24
#9171
23M
23.00 mi13:31:572:47:267:179:33
7:38
#9151
24M
24.00 mi13:39:242:54:537:187:27
7:27
#9133
40K
24.85 mi13:45:553:01:247:186:31
7:38
#9113
25.2M
25.20 mi13:48:493:04:187:192:54
8:25
#9126
FINISH
26.22 mi13:56:283:11:577:207:39
7:31
#9183
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi65476466469361(Top 32%)1640(Top 13%)1640(Top 94%)
10K6.21 mi3.10 mi7514-967931-285931-2858425(Top 29%)1250(Top 10%)1250(Top 72%)
15K9.32 mi3.11 mi8177-6631157-2261157-2269361(Top 32%)1640(Top 13%)1640(Top 94%)
20K12.43 mi3.11 mi8616-4391338-1811338-18110198(Top 35%)2145(Top 17%)2145(Top 123%)
HALF13.11 mi0.68 mi8647-311351-131351-139634(Top 33%)1807(Top 14%)1807(Top 104%)
25K15.53 mi2.42 mi8811-1641429-781429-7810060(Top 35%)2148(Top 17%)2148(Top 124%)
30K18.64 mi3.11 mi8985-1741541-1121541-11210359(Top 36%)2443(Top 19%)2443(Top 141%)
20M20.00 mi1.36 mi9074-891614-731614-7310647(Top 37%)2699(Top 21%)2699(Top 155%)
21M21.00 mi1.00 mi9186-1121697-831697-8311416(Top 39%)3196(Top 25%)3196(Top 184%)
35K21.75 mi0.75 mi9171+151713-161713-1610082(Top 35%)2521(Top 20%)2521(Top 145%)
23M23.00 mi1.25 mi9151+201737-241737-249827(Top 34%)2499(Top 20%)2499(Top 144%)
24M24.00 mi1.00 mi9133+181758-211758-219717(Top 33%)2527(Top 20%)2527(Top 145%)
40K24.85 mi0.85 mi9113+201774-161774-169771(Top 34%)2634(Top 21%)2634(Top 152%)
25.2M25.20 mi0.35 mi9126-131785-111785-1111040(Top 38%)3331(Top 26%)3331(Top 192%)
FINISH26.22 mi1.02 mi9183-571838-531838-5311464(Top 40%)3571(Top 28%)3571(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21
+97ft-345ft

Overall

9361

Females

1640

F40-44

1640

5K→10K

3.1 - 6.2 mi

Top 29%
×5
+79ft-138ft

Overall

8425

Females

1250

F40-44

1250

10K→15K

6.2 - 9.3 mi

Top 32%
×3
+67ft-78ft

Overall

9361

Females

1640

F40-44

1640

15K→20K

9.3 - 12.4 mi

Top 35%
×5
+106ft-86ft

Overall

10198

Females

2145

F40-44

2145

20K→HALF

12.4 - 13.1 mi

Top 33%
×2
+19ft-37ft

Overall

9634

Females

1807

F40-44

1807

HALF→25K

13.1 - 15.5 mi

Top 35%
×4
+66ft-88ft

Overall

10060

Females

2148

F40-44

2148

25K→30K

15.5 - 18.6 mi

Top 36%
×9
+181ft-148ft

Overall

10359

Females

2443

F40-44

2443

30K→20M

18.6 - 20.0 mi

Top 37%
×5
+64ft-50ft

Overall

10647

Females

2699

F40-44

2699

20M→21M

20.0 - 21.0 mi

Top 39%
×8
+106ft-24ft

Overall

11416

Females

3196

F40-44

3196

21M→35K

21.0 - 21.8 mi

Top 35%
×7
+17ft-86ft

Overall

10082

Females

2521

F40-44

2521

35K→23M

21.8 - 23.0 mi

Top 34%
×5
+23ft-63ft

Overall

9827

Females

2499

F40-44

2499

23M→24M

23.0 - 24.0 mi

Top 33%
×6
+12ft-82ft

Overall

9717

Females

2527

F40-44

2527

24M→40K

24.0 - 24.9 mi

Top 34%
×1
+6ft-20ft

Overall

9771

Females

2634

F40-44

2634

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1
+13ft-16ft

Overall

11040

Females

3331

F40-44

3331

25.2M→FINISH

25.2 - 26.2 mi

Top 40%
×2
+22ft-21ft

Overall

11464

Females

3571

F40-44

3571

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
802
Passed By
1749
Net Change
-2636
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6547
5K → 10K29200-967#6547#7514
10K → 15K16200-663#7514#8177
15K → 20K47200-439#8177#8616
20K → HALF1445-31#8616#8647
HALF → 25K68200-164#8647#8811
25K → 30K122200-174#8811#8985
30K → 20M67156-89#8985#9074
20M → 21M48160-112#9074#9186
21M → 35K6651+15#9186#9171
35K → 23M10080+20#9171#9151
23M → 24M6850+18#9151#9133
24M → 40K7050+20#9133#9113
40K → 25.2M2841-13#9113#9126
25.2M → FINISH59116-57#9126#9183
TOTALS8021749-2636
📊

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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