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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Breanna Day

Bib: 8403 •F •Age: N/A

AK

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 17%
Gender (Female)
#0 / 12578
Top 3%
Age Group (F18-39)
#0 / 5716
Top 6%
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
20:35
3.11 mi
Rank: #5225
Start → 5K
20:35 | 6:38/mi
10K
41:30
6.21 mi
Rank: #5704 (-479)
5K → 10K
20:55 | 6:44/mi
15K
1:02:40
9.32 mi
Rank: #6073 (-369)
10K → 15K
21:10 | 6:49/mi
20K
1:24:32
12.43 mi
Rank: #6641 (-568)
15K → 20K
21:52 | 7:03/mi
HALF
1:29:10
13.11 mi
Rank: #6657 (-16)
20K → HALF
4:38 | 6:48/mi
25K
1:45:42
15.53 mi
Rank: #6521 (+136)
HALF → 25K
16:32 | 6:50/mi
30K
2:07:04
18.64 mi
Rank: #6188 (+333)
25K → 30K
21:22 | 6:53/mi
20M
2:16:15
20.00 mi
Rank: #5969 (+219)
30K → 20M
9:11 | 6:46/mi
21M
2:23:16
21.00 mi
Rank: #5772 (+197)
20M → 21M
7:01 | 7:01/mi
35K
2:28:06
21.75 mi
Rank: #5627 (+145)
21M → 35K
4:50 | 6:28/mi
23M
2:36:25
23.00 mi
Rank: #5426 (+201)
35K → 23M
8:19 | 6:39/mi
24M
2:42:43
24.00 mi
Rank: #5198 (+228)
23M → 24M
6:18 | 6:18/mi
40K
2:48:19
24.85 mi
Rank: #5041 (+157)
24M → 40K
5:36 | 6:33/mi
25.2M
2:50:45
25.20 mi
Rank: #4978 (+63)
40K → 25.2M
2:26 | 7:04/mi
FINISH
2:57:04
26.22 mi
Rank: #4806 (+172)
25.2M → FINISH
6:19 | 6:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:29:10
Pace6:49 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:27:54
Pace6:43 /mi
📊Negative Split: 1.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:35:4620:356:3820:35
6:38
-
10K
6.21 mi10:56:4141:306:4120:55
6:44
+0:06
15K
9.32 mi11:17:511:02:406:4421:10
6:49
+0:05
20K
12.43 mi11:39:431:24:326:4921:52
7:03
+0:14
HALF
13.11 mi11:44:211:29:106:494:38
6:48
-0:15
25K
15.53 mi12:00:531:45:426:4916:32
6:50
+0:02
30K
18.64 mi12:22:152:07:046:4921:22
6:53
+0:03
20M
20.00 mi12:31:262:16:156:499:11
6:46
-0:07
21M
21.00 mi12:38:272:23:166:507:01
7:01
+0:15
35K
21.75 mi12:43:172:28:066:494:50
6:28
-0:33
23M
23.00 mi12:51:362:36:256:498:19
6:39
+0:11
24M
24.00 mi12:57:542:42:436:476:18
6:18
-0:21
40K
24.85 mi13:03:302:48:196:475:36
6:33
+0:15
25.2M
25.20 mi13:05:562:50:456:472:26
7:04
+0:31
FINISH
26.22 mi13:12:152:57:046:466:19
6:12
-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

6:12 /mi

Average Pace

6:45 /mi

Slowest Pace

7:04 /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

1:47:51

61% of race

Time at Steady Pace

1:09:13

39% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:35:4620:356:3820:35
6:38
#5225
10K
6.21 mi10:56:4141:306:4120:55
6:44
#5704
15K
9.32 mi11:17:511:02:406:4421:10
6:49
#6073
20K
12.43 mi11:39:431:24:326:4921:52
7:03
#6641
HALF
13.11 mi11:44:211:29:106:494:38
6:48
#6657
25K
15.53 mi12:00:531:45:426:4916:32
6:50
#6521
30K
18.64 mi12:22:152:07:046:4921:22
6:53
#6188
20M
20.00 mi12:31:262:16:156:499:11
6:46
#5969
21M
21.00 mi12:38:272:23:166:507:01
7:01
#5772
35K
21.75 mi12:43:172:28:066:494:50
6:28
#5627
23M
23.00 mi12:51:362:36:256:498:19
6:39
#5426
24M
24.00 mi12:57:542:42:436:476:18
6:18
#5198
40K
24.85 mi13:03:302:48:196:475:36
6:33
#5041
25.2M
25.20 mi13:05:562:50:456:472:26
7:04
#4978
FINISH
26.22 mi13:12:152:57:046:466:19
6:12
#4806
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 mi52253623626980(Top 24%)800(Top 6%)800(Top 14%)
10K6.21 mi3.10 mi5704-479456-94456-946315(Top 22%)599(Top 5%)599(Top 10%)
15K9.32 mi3.11 mi6073-369533-77533-776980(Top 24%)800(Top 6%)800(Top 14%)
20K12.43 mi3.11 mi6641-568691-158691-1588140(Top 28%)1191(Top 9%)1191(Top 21%)
HALF13.11 mi0.68 mi6657-16697-6697-67149(Top 25%)838(Top 7%)838(Top 15%)
25K15.53 mi2.42 mi6521+136673+24673+245983(Top 21%)617(Top 5%)617(Top 11%)
30K18.64 mi3.11 mi6188+333627+46627+464998(Top 17%)466(Top 4%)466(Top 8%)
20M20.00 mi1.36 mi5969+219580+47580+473898(Top 13%)303(Top 2%)303(Top 5%)
21M21.00 mi1.00 mi5772+197548+32548+323604(Top 12%)304(Top 2%)304(Top 5%)
35K21.75 mi0.75 mi5627+145516+32516+323406(Top 12%)252(Top 2%)252(Top 4%)
23M23.00 mi1.25 mi5426+201486+30486+303200(Top 11%)253(Top 2%)253(Top 4%)
24M24.00 mi1.00 mi5198+228441+45441+452233(Top 8%)145(Top 1%)145(Top 3%)
40K24.85 mi0.85 mi5041+157428+13428+132833(Top 10%)243(Top 2%)243(Top 4%)
25.2M25.20 mi0.35 mi4978+63424+4424+42984(Top 10%)300(Top 2%)300(Top 5%)
FINISH26.22 mi1.02 mi4806+172399+25399+252548(Top 9%)230(Top 2%)230(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21
+97ft-345ft

Overall

6980

Females

800

F18-39

800

5K→10K

3.1 - 6.2 mi

Top 22%
×5
+79ft-138ft

Overall

6315

Females

599

F18-39

599

10K→15K

6.2 - 9.3 mi

Top 24%
×3
+67ft-78ft

Overall

6980

Females

800

F18-39

800

15K→20K

9.3 - 12.4 mi

Top 28%
×5
+106ft-86ft

Overall

8140

Females

1191

F18-39

1191

20K→HALF

12.4 - 13.1 mi

Top 25%
×2
+19ft-37ft

Overall

7149

Females

838

F18-39

838

HALF→25K

13.1 - 15.5 mi

Top 21%
×4
+66ft-88ft

Overall

5983

Females

617

F18-39

617

25K→30K

15.5 - 18.6 mi

Top 17%
×9
+181ft-148ft

Overall

4998

Females

466

F18-39

466

30K→20M

18.6 - 20.0 mi

Top 13%
×5
+64ft-50ft

Overall

3898

Females

303

F18-39

303

20M→21M

20.0 - 21.0 mi

Top 12%
×8
+106ft-24ft

Overall

3604

Females

304

F18-39

304

21M→35K

21.0 - 21.8 mi

Top 12%
×7
+17ft-86ft

Overall

3406

Females

252

F18-39

252

35K→23M

21.8 - 23.0 mi

Top 11%
×5
+23ft-63ft

Overall

3200

Females

253

F18-39

253

23M→24M

23.0 - 24.0 mi

Top 8%
×6
+12ft-82ft

Overall

2233

Females

145

F18-39

145

24M→40K

24.0 - 24.9 mi

Top 10%
×1
+6ft-20ft

Overall

2833

Females

243

F18-39

243

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1
+13ft-16ft

Overall

2984

Females

300

F18-39

300

25.2M→FINISH

25.2 - 26.2 mi

Top 9%
×2
+22ft-21ft

Overall

2548

Females

230

F18-39

230

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2102*
Passed By
715
Net Change
+419
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5225
5K → 10K63200-479#5225#5704
10K → 15K38200-369#5704#6073
15K → 20K51200-568#6073#6641
20K → HALF1632-16#6641#6657
HALF → 25K17741+136#6657#6521
25K → 30K354*21+333#6521#6188
30K → 20M224*5+219#6188#5969
20M → 21M2003+197#5969#5772
21M → 35K1472+145#5772#5627
35K → 23M203*2+201#5627#5426
23M → 24M228*0+228#5426#5198
24M → 40K1614+157#5198#5041
40K → 25.2M652+63#5041#4978
25.2M → FINISH1753+172#4978#4806
TOTALS2102*715+419

* 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

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