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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Katelyn Szafranski

Bib: 15795 •F •Age: N/A

MI

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 28%
Gender (Female)
#0 / 12578
Top 11%
Age Group (F18-39)
#0 / 5716
Top 21%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Katelyn

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 · 6:43/mi at mile 26.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
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
22:37
3.11 mi
Rank: #10870
Start → 5K
22:37 | 7:17/mi
10K
44:49
6.21 mi
Rank: #10319 (+551)
5K → 10K
22:12 | 7:09/mi
15K
1:06:49
9.32 mi
Rank: #9858 (+461)
10K → 15K
22:00 | 7:05/mi
20K
1:28:56
12.43 mi
Rank: #9497 (+361)
15K → 20K
22:07 | 7:08/mi
HALF
1:33:45
13.11 mi
Rank: #9476 (+21)
20K → HALF
4:49 | 7:04/mi
25K
1:50:57
15.53 mi
Rank: #9247 (+229)
HALF → 25K
17:12 | 7:06/mi
30K
2:13:41
18.64 mi
Rank: #9001 (+246)
25K → 30K
22:44 | 7:20/mi
20M
2:23:34
20.00 mi
Rank: #8857 (+144)
30K → 20M
9:53 | 7:17/mi
21M
2:31:07
21.00 mi
Rank: #8669 (+188)
20M → 21M
7:33 | 7:33/mi
35K
2:36:23
21.75 mi
Rank: #8589 (+80)
21M → 35K
5:16 | 7:03/mi
23M
2:45:42
23.00 mi
Rank: #8551 (+38)
35K → 23M
9:19 | 7:27/mi
24M
2:52:53
24.00 mi
Rank: #8476 (+75)
23M → 24M
7:11 | 7:11/mi
40K
2:59:04
24.85 mi
Rank: #8398 (+78)
24M → 40K
6:11 | 7:14/mi
25.2M
3:01:41
25.20 mi
Rank: #8338 (+60)
40K → 25.2M
2:37 | 7:36/mi
FINISH
3:08:32
26.22 mi
Rank: #8173 (+165)
25.2M → FINISH
6:51 | 6:44/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:33:45
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:34:47
Pace7:14 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3822:377:1722:37
7:17
-
10K
6.21 mi11:16:5044:497:1322:12
7:09
-0:08
15K
9.32 mi11:38:501:06:497:1122:00
7:05
-0:04
20K
12.43 mi12:00:571:28:567:1022:07
7:08
+0:03
HALF
13.11 mi12:05:461:33:457:104:49
7:04
-0:04
25K
15.53 mi12:22:581:50:577:0917:12
7:06
+0:02
30K
18.64 mi12:45:422:13:417:1122:44
7:20
+0:14
20M
20.00 mi12:55:352:23:347:119:53
7:17
-0:03
21M
21.00 mi13:03:082:31:077:127:33
7:33
+0:16
35K
21.75 mi13:08:242:36:237:125:16
7:03
-0:30
23M
23.00 mi13:17:432:45:427:139:19
7:27
+0:24
24M
24.00 mi13:24:542:52:537:137:11
7:11
-0:16
40K
24.85 mi13:31:052:59:047:136:11
7:14
+0:03
25.2M
25.20 mi13:33:423:01:417:132:37
7:36
+0:22
FINISH
26.22 mi13:40:333:08:327:126:51
6:44
-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

6:44 /mi

Average Pace

7:12 /mi

Slowest Pace

7:36 /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

2:49:03

90% of race

Time at Steady Pace

19:29

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:11 /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 mi10:54:3822:377:1722:37
7:17
#10870
10K
6.21 mi11:16:5044:497:1322:12
7:09
#10319
15K
9.32 mi11:38:501:06:497:1122:00
7:05
#9858
20K
12.43 mi12:00:571:28:567:1022:07
7:08
#9497
HALF
13.11 mi12:05:461:33:457:104:49
7:04
#9476
25K
15.53 mi12:22:581:50:577:0917:12
7:06
#9247
30K
18.64 mi12:45:422:13:417:1122:44
7:20
#9001
20M
20.00 mi12:55:352:23:347:119:53
7:17
#8857
21M
21.00 mi13:03:082:31:077:127:33
7:33
#8669
35K
21.75 mi13:08:242:36:237:125:16
7:03
#8589
23M
23.00 mi13:17:432:45:427:139:19
7:27
#8551
24M
24.00 mi13:24:542:52:537:137:11
7:11
#8476
40K
24.85 mi13:31:052:59:047:136:11
7:14
#8398
25.2M
25.20 mi13:33:423:01:417:132:37
7:36
#8338
FINISH
26.22 mi13:40:333:08:327:126:51
6:44
#8173
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 mi10870230223029129(Top 31%)1546(Top 12%)1546(Top 27%)
10K6.21 mi3.10 mi10319+5512056+2462056+2469764(Top 34%)1787(Top 14%)1787(Top 31%)
15K9.32 mi3.11 mi9858+4611839+2171839+2179129(Top 31%)1546(Top 12%)1546(Top 27%)
20K12.43 mi3.11 mi9497+3611691+1481691+1488732(Top 30%)1446(Top 11%)1446(Top 25%)
HALF13.11 mi0.68 mi9476+211684+71684+79214(Top 32%)1595(Top 13%)1595(Top 28%)
25K15.53 mi2.42 mi9247+2291614+701614+708097(Top 28%)1268(Top 10%)1268(Top 22%)
30K18.64 mi3.11 mi9001+2461548+661548+668242(Top 28%)1479(Top 12%)1479(Top 26%)
20M20.00 mi1.36 mi8857+1441528+201528+207504(Top 26%)1277(Top 10%)1277(Top 22%)
21M21.00 mi1.00 mi8669+1881475+531475+536863(Top 24%)1164(Top 9%)1164(Top 20%)
35K21.75 mi0.75 mi8589+801465+101465+107461(Top 26%)1336(Top 11%)1336(Top 23%)
23M23.00 mi1.25 mi8551+381476-111476-118476(Top 29%)1859(Top 15%)1859(Top 33%)
24M24.00 mi1.00 mi8476+751475+11475+17785(Top 27%)1625(Top 13%)1625(Top 28%)
40K24.85 mi0.85 mi8398+781468+71468+77001(Top 24%)1368(Top 11%)1368(Top 24%)
25.2M25.20 mi0.35 mi8338+601452+161452+165843(Top 20%)1016(Top 8%)1016(Top 18%)
FINISH26.22 mi1.02 mi8173+1651409+431409+435630(Top 19%)985(Top 8%)985(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21
+97ft-345ft

Overall

9129

Females

1546

F18-39

1546

5K→10K

3.1 - 6.2 mi

Top 34%
×5
+79ft-138ft

Overall

9764

Females

1787

F18-39

1787

10K→15K

6.2 - 9.3 mi

Top 31%
×3
+67ft-78ft

Overall

9129

Females

1546

F18-39

1546

15K→20K

9.3 - 12.4 mi

Top 30%
×5
+106ft-86ft

Overall

8732

Females

1446

F18-39

1446

20K→HALF

12.4 - 13.1 mi

Top 32%
×2
+19ft-37ft

Overall

9214

Females

1595

F18-39

1595

HALF→25K

13.1 - 15.5 mi

Top 28%
×4
+66ft-88ft

Overall

8097

Females

1268

F18-39

1268

25K→30K

15.5 - 18.6 mi

Top 28%
×9
+181ft-148ft

Overall

8242

Females

1479

F18-39

1479

30K→20M

18.6 - 20.0 mi

Top 26%
×5
+64ft-50ft

Overall

7504

Females

1277

F18-39

1277

20M→21M

20.0 - 21.0 mi

Top 24%
×8
+106ft-24ft

Overall

6863

Females

1164

F18-39

1164

21M→35K

21.0 - 21.8 mi

Top 26%
×7
+17ft-86ft

Overall

7461

Females

1336

F18-39

1336

35K→23M

21.8 - 23.0 mi

Top 29%
×5
+23ft-63ft

Overall

8476

Females

1859

F18-39

1859

23M→24M

23.0 - 24.0 mi

Top 27%
×6
+12ft-82ft

Overall

7785

Females

1625

F18-39

1625

24M→40K

24.0 - 24.9 mi

Top 24%
×1
+6ft-20ft

Overall

7001

Females

1368

F18-39

1368

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1
+13ft-16ft

Overall

5843

Females

1016

F18-39

1016

25.2M→FINISH

25.2 - 26.2 mi

Top 19%
×2
+22ft-21ft

Overall

5630

Females

985

F18-39

985

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3055*
Passed By
358
Net Change
+2697
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10870
5K → 10K602*51+551#10870#10319
10K → 15K493*32+461#10319#9858
15K → 20K376*15+361#9858#9497
20K → HALF3211+21#9497#9476
HALF → 25K246*17+229#9476#9247
25K → 30K293*47+246#9247#9001
30K → 20M17127+144#9001#8857
20M → 21M19810+188#8857#8669
21M → 35K9616+80#8669#8589
35K → 23M10365+38#8589#8551
23M → 24M10631+75#8551#8476
24M → 40K10325+78#8476#8398
40K → 25.2M633+60#8398#8338
25.2M → FINISH1738+165#8338#8173
TOTALS3055*358+2697

* 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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