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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Briana Herrera

Bib: 18631 •F •Age: N/A

OR

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 44%
Gender (Female)
#0 / 12578
Top 30%
Masters (Masters Women)
#0 / 6862
Top 14%
Age Group (F40-44)
#0 / 1737
Top 31%
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
23:48
3.11 mi
Rank: #14210
Start → 5K
23:48 | 7:40/mi
10K
47:39
6.21 mi
Rank: #14331 (-121)
5K → 10K
23:51 | 7:41/mi
15K
1:11:26
9.32 mi
Rank: #14224 (+107)
10K → 15K
23:47 | 7:40/mi
20K
1:35:24
12.43 mi
Rank: #14102 (+122)
15K → 20K
23:58 | 7:43/mi
HALF
1:40:38
13.11 mi
Rank: #14115 (-13)
20K → HALF
5:14 | 7:41/mi
25K
1:59:17
15.53 mi
Rank: #13891 (+224)
HALF → 25K
18:39 | 7:42/mi
30K
2:23:18
18.64 mi
Rank: #13430 (+461)
25K → 30K
24:01 | 7:44/mi
20M
2:34:02
20.00 mi
Rank: #13297 (+133)
30K → 20M
10:44 | 7:55/mi
21M
2:42:11
21.00 mi
Rank: #13139 (+158)
20M → 21M
8:09 | 8:09/mi
35K
2:48:02
21.75 mi
Rank: #13127 (+12)
21M → 35K
5:51 | 7:50/mi
23M
2:58:06
23.00 mi
Rank: #13076 (+51)
35K → 23M
10:04 | 8:03/mi
24M
3:05:58
24.00 mi
Rank: #13052 (+24)
23M → 24M
7:52 | 7:52/mi
40K
3:12:45
24.85 mi
Rank: #12986 (+66)
24M → 40K
6:47 | 7:57/mi
25.2M
3:15:39
25.20 mi
Rank: #12950 (+36)
40K → 25.2M
2:54 | 8:25/mi
FINISH
3:23:16
26.22 mi
Rank: #12847 (+103)
25.2M → FINISH
7:37 | 7:29/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:38
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:42:38
Pace7:50 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:2323:487:4023:48
7:40
-
10K
6.21 mi11:31:1447:397:4123:51
7:41
+0:01
15K
9.32 mi11:55:011:11:267:4023:47
7:40
-0:01
20K
12.43 mi12:18:591:35:247:4123:58
7:43
+0:03
HALF
13.11 mi12:24:131:40:387:415:14
7:41
-0:02
25K
15.53 mi12:42:521:59:177:4118:39
7:42
+0:01
30K
18.64 mi13:06:532:23:187:4224:01
7:44
+0:02
20M
20.00 mi13:17:372:34:027:4310:44
7:55
+0:11
21M
21.00 mi13:25:462:42:117:448:09
8:09
+0:14
35K
21.75 mi13:31:372:48:027:445:51
7:50
-0:19
23M
23.00 mi13:41:412:58:067:4510:04
8:03
+0:13
24M
24.00 mi13:49:333:05:587:457:52
7:52
-0:11
40K
24.85 mi13:56:203:12:457:466:47
7:57
+0:05
25.2M
25.20 mi13:59:143:15:397:462:54
8:25
+0:28
FINISH
26.22 mi14:06:513:23:167:467:37
7:29
-0:56

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

7:29 /mi

Average Pace

7:45 /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

3:20:22

99% of race

Time at Steady Pace

2:54

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /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 mi11:07:2323:487:4023:48
7:40
#14210
10K
6.21 mi11:31:1447:397:4123:51
7:41
#14331
15K
9.32 mi11:55:011:11:267:4023:47
7:40
#14224
20K
12.43 mi12:18:591:35:247:4123:58
7:43
#14102
HALF
13.11 mi12:24:131:40:387:415:14
7:41
#14115
25K
15.53 mi12:42:521:59:177:4118:39
7:42
#13891
30K
18.64 mi13:06:532:23:187:4224:01
7:44
#13430
20M
20.00 mi13:17:372:34:027:4310:44
7:55
#13297
21M
21.00 mi13:25:462:42:117:448:09
8:09
#13139
35K
21.75 mi13:31:372:48:027:445:51
7:50
#13127
23M
23.00 mi13:41:412:58:067:4510:04
8:03
#13076
24M
24.00 mi13:49:333:05:587:457:52
7:52
#13052
40K
24.85 mi13:56:203:12:457:466:47
7:57
#12986
25.2M
25.20 mi13:59:143:15:397:462:54
8:25
#12950
FINISH
26.22 mi14:06:513:23:167:467:37
7:29
#12847
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 mi142104204420414156(Top 49%)4222(Top 34%)4222(Top 243%)
10K6.21 mi3.10 mi14331-1214293-894293-8914557(Top 50%)4431(Top 35%)4431(Top 255%)
15K9.32 mi3.11 mi14224+1074255+384255+3814156(Top 49%)4222(Top 34%)4222(Top 243%)
20K12.43 mi3.11 mi14102+1224200+554200+5513844(Top 48%)4123(Top 33%)4123(Top 237%)
HALF13.11 mi0.68 mi14115-134214-144214-1414569(Top 50%)4456(Top 35%)4456(Top 257%)
25K15.53 mi2.42 mi13891+2244097+1174097+11712982(Top 45%)3722(Top 30%)3722(Top 214%)
30K18.64 mi3.11 mi13430+4613888+2093888+20911488(Top 40%)3028(Top 24%)3028(Top 174%)
20M20.00 mi1.36 mi13297+1333840+483840+4812136(Top 42%)3476(Top 28%)3476(Top 200%)
21M21.00 mi1.00 mi13139+1583774+663774+6610932(Top 38%)2969(Top 24%)2969(Top 171%)
35K21.75 mi0.75 mi13127+123775-13775-113230(Top 46%)4201(Top 33%)4201(Top 242%)
23M23.00 mi1.25 mi13076+513776-13776-112773(Top 44%)4012(Top 32%)4012(Top 231%)
24M24.00 mi1.00 mi13052+243781-53781-512826(Top 44%)4160(Top 33%)4160(Top 239%)
40K24.85 mi0.85 mi12986+663768+133768+1312062(Top 42%)3813(Top 30%)3813(Top 220%)
25.2M25.20 mi0.35 mi12950+363759+93759+911110(Top 38%)3401(Top 27%)3401(Top 196%)
FINISH26.22 mi1.02 mi12847+1033738+213738+2111242(Top 39%)3477(Top 28%)3477(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14156

Females

4222

F40-44

4222

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14557

Females

4431

F40-44

4431

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14156

Females

4222

F40-44

4222

15K→20K

9.3 - 12.4 mi

Top 48%
×5
+106ft-86ft

Overall

13844

Females

4123

F40-44

4123

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14569

Females

4456

F40-44

4456

HALF→25K

13.1 - 15.5 mi

Top 45%
×4
+66ft-88ft

Overall

12982

Females

3722

F40-44

3722

25K→30K

15.5 - 18.6 mi

Top 40%
×9
+181ft-148ft

Overall

11488

Females

3028

F40-44

3028

30K→20M

18.6 - 20.0 mi

Top 42%
×5
+64ft-50ft

Overall

12136

Females

3476

F40-44

3476

20M→21M

20.0 - 21.0 mi

Top 38%
×8
+106ft-24ft

Overall

10932

Females

2969

F40-44

2969

21M→35K

21.0 - 21.8 mi

Top 46%
×7
+17ft-86ft

Overall

13230

Females

4201

F40-44

4201

35K→23M

21.8 - 23.0 mi

Top 44%
×5
+23ft-63ft

Overall

12773

Females

4012

F40-44

4012

23M→24M

23.0 - 24.0 mi

Top 44%
×6
+12ft-82ft

Overall

12826

Females

4160

F40-44

4160

24M→40K

24.0 - 24.9 mi

Top 42%
×1
+6ft-20ft

Overall

12062

Females

3813

F40-44

3813

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1
+13ft-16ft

Overall

11110

Females

3401

F40-44

3401

25.2M→FINISH

25.2 - 26.2 mi

Top 39%
×2
+22ft-21ft

Overall

11242

Females

3477

F40-44

3477

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2301*
Passed By
817
Net Change
+1363
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14210
5K → 10K200200-121#14210#14331
10K → 15K246*139+107#14331#14224
15K → 20K224*102+122#14224#14102
20K → HALF3750-13#14102#14115
HALF → 25K259*35+224#14115#13891
25K → 30K482*21+461#13891#13430
30K → 20M16128+133#13430#13297
20M → 21M18123+158#13297#13139
21M → 35K4735+12#13139#13127
35K → 23M11160+51#13127#13076
23M → 24M7955+24#13076#13052
24M → 40K10236+66#13052#12986
40K → 25.2M4711+36#12986#12950
25.2M → FINISH12522+103#12950#12847
TOTALS2301*817+1363

* 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

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OTQ

Olympic Trials Qualifying analysis available

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