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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kathleen Byrne

Bib: 26932 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
34:30
3.11 mi
Rank: #28156
Start → 5K
34:30 | 11:07/mi
10K
1:13:38
6.21 mi
Rank: #28642 (-486)
5K → 10K
39:08 | 12:36/mi
15K
1:49:39
9.32 mi
Rank: #28463 (+179)
10K → 15K
36:01 | 11:36/mi
20K
2:26:22
12.43 mi
Rank: #28324 (+139)
15K → 20K
36:43 | 11:50/mi
HALF
2:34:06
13.11 mi
Rank: #28302 (+22)
20K → HALF
7:44 | 11:21/mi
25K
3:03:32
15.53 mi
Rank: #28190 (+112)
HALF → 25K
29:26 | 12:09/mi
30K
3:42:01
18.64 mi
Rank: #28034 (+156)
25K → 30K
38:29 | 12:24/mi
20M
3:59:20
20.00 mi
Rank: #27978 (+56)
30K → 20M
17:19 | 12:45/mi
21M
4:12:33
21.00 mi
Rank: #27931 (+47)
20M → 21M
13:13 | 13:13/mi
35K
4:21:33
21.75 mi
Rank: #27906 (+25)
21M → 35K
9:00 | 12:02/mi
23M
4:37:12
23.00 mi
Rank: #27858 (+48)
35K → 23M
15:39 | 12:31/mi
24M
4:49:14
24.00 mi
Rank: #27829 (+29)
23M → 24M
12:02 | 12:02/mi
40K
5:00:02
24.85 mi
Rank: #27805 (+24)
24M → 40K
10:48 | 12:38/mi
25.2M
5:04:55
25.20 mi
Rank: #27806 (-1)
40K → 25.2M
4:53 | 14:10/mi
FINISH
5:16:57
26.22 mi
Rank: #27787 (+19)
25.2M → FINISH
12:02 | 11:49/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:34:06
Pace11:46 /mi
2nd Half
Distance13.11 mi
Time2:42:51
Pace12:26 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:00:3434:3011:0734:30
11:07
-
10K
6.21 mi12:39:421:13:3811:5239:08
12:36
+1:29
15K
9.32 mi13:15:431:49:3911:4636:01
11:36
-1:00
20K
12.43 mi13:52:262:26:2211:4736:43
11:50
+0:14
HALF
13.11 mi14:00:102:34:0611:467:44
11:21
-0:29
25K
15.53 mi14:29:363:03:3211:4929:26
12:09
+0:48
30K
18.64 mi15:08:053:42:0111:5538:29
12:24
+0:15
20M
20.00 mi15:25:243:59:2011:5917:19
12:45
+0:21
21M
21.00 mi15:38:374:12:3312:0213:13
13:13
+0:28
35K
21.75 mi15:47:374:21:3312:029:00
12:02
-1:11
23M
23.00 mi16:03:164:37:1212:0415:39
12:31
+0:29
24M
24.00 mi16:15:184:49:1412:0412:02
12:02
-0:29
40K
24.85 mi16:26:065:00:0212:0510:48
12:38
+0:36
25.2M
25.20 mi16:30:595:04:5512:074:53
14:10
+1:32
FINISH
26.22 mi16:43:015:16:5712:0612:02
11:49
-2:21

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

11:07 /mi

Average Pace

12:06 /mi

Slowest Pace

14:10 /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

1:18:15

25% of race

Time at Steady Pace

2:33:21

48% of race

Time at Slower Pace

1:25:21

27% of race

Average Pace: 12:05 /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 mi12:00:3434:3011:0734:30
11:07
#28156
10K
6.21 mi12:39:421:13:3811:5239:08
12:36
#28642
15K
9.32 mi13:15:431:49:3911:4636:01
11:36
#28463
20K
12.43 mi13:52:262:26:2211:4736:43
11:50
#28324
HALF
13.11 mi14:00:102:34:0611:467:44
11:21
#28302
25K
15.53 mi14:29:363:03:3211:4929:26
12:09
#28190
30K
18.64 mi15:08:053:42:0111:5538:29
12:24
#28034
20M
20.00 mi15:25:243:59:2011:5917:19
12:45
#27978
21M
21.00 mi15:38:374:12:3312:0213:13
13:13
#27931
35K
21.75 mi15:47:374:21:3312:029:00
12:02
#27906
23M
23.00 mi16:03:164:37:1212:0415:39
12:31
#27858
24M
24.00 mi16:15:184:49:1412:0412:02
12:02
#27829
40K
24.85 mi16:26:065:00:0212:0510:48
12:38
#27805
25.2M
25.20 mi16:30:595:04:5512:074:53
14:10
#27806
FINISH
26.22 mi16:43:015:16:5712:0612:02
11:49
#27787
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 mi28156119881198828061(Top 97%)11956(Top 95%)11956(Top 209%)
10K6.21 mi3.10 mi28642-48612318-33012318-33028851(Top 99%)12466(Top 99%)12466(Top 218%)
15K9.32 mi3.11 mi28463+17912200+11812200+11828061(Top 97%)11956(Top 95%)11956(Top 209%)
20K12.43 mi3.11 mi28324+13912109+9112109+9127854(Top 96%)11829(Top 94%)11829(Top 207%)
HALF13.11 mi0.68 mi28302+2212098+1112098+1127734(Top 96%)11796(Top 94%)11796(Top 206%)
25K15.53 mi2.42 mi28190+11212030+6812030+6827638(Top 95%)11744(Top 93%)11744(Top 205%)
30K18.64 mi3.11 mi28034+15611943+8711943+8727202(Top 94%)11568(Top 92%)11568(Top 202%)
20M20.00 mi1.36 mi27978+5611913+3011913+3027203(Top 94%)11605(Top 92%)11605(Top 203%)
21M21.00 mi1.00 mi27931+4711887+2611887+2626611(Top 92%)11343(Top 90%)11343(Top 198%)
35K21.75 mi0.75 mi27906+2511875+1211875+1226775(Top 92%)11451(Top 91%)11451(Top 200%)
23M23.00 mi1.25 mi27858+4811860+1511860+1526801(Top 92%)11482(Top 91%)11482(Top 201%)
24M24.00 mi1.00 mi27829+2911849+1111849+1126668(Top 92%)11455(Top 91%)11455(Top 200%)
40K24.85 mi0.85 mi27805+2411847+211847+226681(Top 92%)11495(Top 91%)11495(Top 201%)
25.2M25.20 mi0.35 mi27806-111849-211849-227351(Top 94%)11813(Top 94%)11813(Top 207%)
FINISH26.22 mi1.02 mi27787+1911848+111848+127241(Top 94%)11758(Top 93%)11758(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21
+97ft-345ft

Overall

28061

Females

11956

F18-39

11956

5K→10K

3.1 - 6.2 mi

Top 99%
×5
+79ft-138ft

Overall

28851

Females

12466

F18-39

12466

10K→15K

6.2 - 9.3 mi

Top 97%
×3
+67ft-78ft

Overall

28061

Females

11956

F18-39

11956

15K→20K

9.3 - 12.4 mi

Top 96%
×5
+106ft-86ft

Overall

27854

Females

11829

F18-39

11829

20K→HALF

12.4 - 13.1 mi

Top 96%
×2
+19ft-37ft

Overall

27734

Females

11796

F18-39

11796

HALF→25K

13.1 - 15.5 mi

Top 95%
×4
+66ft-88ft

Overall

27638

Females

11744

F18-39

11744

25K→30K

15.5 - 18.6 mi

Top 94%
×9
+181ft-148ft

Overall

27202

Females

11568

F18-39

11568

30K→20M

18.6 - 20.0 mi

Top 94%
×5
+64ft-50ft

Overall

27203

Females

11605

F18-39

11605

20M→21M

20.0 - 21.0 mi

Top 92%
×8
+106ft-24ft

Overall

26611

Females

11343

F18-39

11343

21M→35K

21.0 - 21.8 mi

Top 92%
×7
+17ft-86ft

Overall

26775

Females

11451

F18-39

11451

35K→23M

21.8 - 23.0 mi

Top 92%
×5
+23ft-63ft

Overall

26801

Females

11482

F18-39

11482

23M→24M

23.0 - 24.0 mi

Top 92%
×6
+12ft-82ft

Overall

26668

Females

11455

F18-39

11455

24M→40K

24.0 - 24.9 mi

Top 92%
×1
+6ft-20ft

Overall

26681

Females

11495

F18-39

11495

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1
+13ft-16ft

Overall

27351

Females

11813

F18-39

11813

25.2M→FINISH

25.2 - 26.2 mi

Top 94%
×2
+22ft-21ft

Overall

27241

Females

11758

F18-39

11758

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
936
Passed By
280
Net Change
+369
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28156
5K → 10K1200-486#28156#28642
10K → 15K1845+179#28642#28463
15K → 20K15011+139#28463#28324
20K → HALF253+22#28324#28302
HALF → 25K1208+112#28302#28190
25K → 30K1626+156#28190#28034
30K → 20M626+56#28034#27978
20M → 21M525+47#27978#27931
21M → 35K327+25#27931#27906
35K → 23M524+48#27906#27858
23M → 24M345+29#27858#27829
24M → 40K306+24#27829#27805
40K → 25.2M34-1#27805#27806
25.2M → FINISH2910+19#27806#27787
TOTALS936280+369
📊

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

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