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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Barbara Vielma

Bib: 20239 •F •Age: N/A

OR

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 49%
Masters (Masters Women)
#0 / 6862
Top 36%
Age Group (F40-44)
#0 / 1737
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
24:51
3.11 mi
Rank: #16955
Start → 5K
24:51 | 8:00/mi
10K
49:59
6.21 mi
Rank: #17399 (-444)
5K → 10K
25:08 | 8:06/mi
15K
1:15:30
9.32 mi
Rank: #17768 (-369)
10K → 15K
25:31 | 8:13/mi
20K
1:41:51
12.43 mi
Rank: #18145 (-377)
15K → 20K
26:21 | 8:29/mi
HALF
1:47:18
13.11 mi
Rank: #18084 (+61)
20K → HALF
5:27 | 8:00/mi
25K
2:07:41
15.53 mi
Rank: #18067 (+17)
HALF → 25K
20:23 | 8:25/mi
30K
2:34:16
18.64 mi
Rank: #17871 (+196)
25K → 30K
26:35 | 8:34/mi
20M
2:46:04
20.00 mi
Rank: #17804 (+67)
30K → 20M
11:48 | 8:42/mi
21M
2:55:14
21.00 mi
Rank: #17744 (+60)
20M → 21M
9:10 | 9:10/mi
35K
3:01:23
21.75 mi
Rank: #17661 (+83)
21M → 35K
6:09 | 8:14/mi
23M
3:11:45
23.00 mi
Rank: #17447 (+214)
35K → 23M
10:22 | 8:18/mi
24M
3:19:42
24.00 mi
Rank: #17252 (+195)
23M → 24M
7:57 | 7:57/mi
40K
3:26:44
24.85 mi
Rank: #17105 (+147)
24M → 40K
7:02 | 8:14/mi
25.2M
3:29:52
25.20 mi
Rank: #17077 (+28)
40K → 25.2M
3:08 | 9:06/mi
FINISH
3:38:09
26.22 mi
Rank: #17019 (+58)
25.2M → FINISH
8:17 | 8:08/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:18
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:50:51
Pace8:28 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:2624:518:0024:51
8:00
-
10K
6.21 mi11:35:3449:598:0325:08
8:06
+0:06
15K
9.32 mi12:01:051:15:308:0725:31
8:13
+0:07
20K
12.43 mi12:27:261:41:518:1226:21
8:29
+0:16
HALF
13.11 mi12:32:531:47:188:125:27
8:00
-0:29
25K
15.53 mi12:53:162:07:418:1420:23
8:25
+0:25
30K
18.64 mi13:19:512:34:168:1726:35
8:34
+0:09
20M
20.00 mi13:31:392:46:048:1911:48
8:42
+0:08
21M
21.00 mi13:40:492:55:148:219:10
9:10
+0:28
35K
21.75 mi13:46:583:01:238:216:09
8:14
-0:56
23M
23.00 mi13:57:203:11:458:2110:22
8:18
+0:04
24M
24.00 mi14:05:173:19:428:207:57
7:57
-0:21
40K
24.85 mi14:12:193:26:448:207:02
8:14
+0:17
25.2M
25.20 mi14:15:273:29:528:203:08
9:06
+0:52
FINISH
26.22 mi14:23:443:38:098:208:17
8:08
-0:58

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

7:57 /mi

Average Pace

8:20 /mi

Slowest Pace

9:10 /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

3:25:51

94% of race

Time at Steady Pace

12:18

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:19 /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 mi11:10:2624:518:0024:51
8:00
#16955
10K
6.21 mi11:35:3449:598:0325:08
8:06
#17399
15K
9.32 mi12:01:051:15:308:0725:31
8:13
#17768
20K
12.43 mi12:27:261:41:518:1226:21
8:29
#18145
HALF
13.11 mi12:32:531:47:188:125:27
8:00
#18084
25K
15.53 mi12:53:162:07:418:1420:23
8:25
#18067
30K
18.64 mi13:19:512:34:168:1726:35
8:34
#17871
20M
20.00 mi13:31:392:46:048:1911:48
8:42
#17804
21M
21.00 mi13:40:492:55:148:219:10
9:10
#17744
35K
21.75 mi13:46:583:01:238:216:09
8:14
#17661
23M
23.00 mi13:57:203:11:458:2110:22
8:18
#17447
24M
24.00 mi14:05:173:19:428:207:57
7:57
#17252
40K
24.85 mi14:12:193:26:448:207:02
8:14
#17105
25.2M
25.20 mi14:15:273:29:528:203:08
9:06
#17077
FINISH
26.22 mi14:23:443:38:098:208:17
8:08
#17019
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 mi169555901590118422(Top 63%)6713(Top 53%)6713(Top 386%)
10K6.21 mi3.10 mi17399-4446156-2556156-25517901(Top 62%)6432(Top 51%)6432(Top 370%)
15K9.32 mi3.11 mi17768-3696358-2026358-20218422(Top 63%)6713(Top 53%)6713(Top 386%)
20K12.43 mi3.11 mi18145-3776567-2096567-20919196(Top 66%)7174(Top 57%)7174(Top 413%)
HALF13.11 mi0.68 mi18084+616534+336534+3317133(Top 59%)5992(Top 48%)5992(Top 345%)
25K15.53 mi2.42 mi18067+176531+36531+318023(Top 62%)6567(Top 52%)6567(Top 378%)
30K18.64 mi3.11 mi17871+1966458+736458+7317241(Top 59%)6243(Top 50%)6243(Top 359%)
20M20.00 mi1.36 mi17804+676439+196439+1917341(Top 60%)6377(Top 51%)6377(Top 367%)
21M21.00 mi1.00 mi17744+606423+166423+1617022(Top 59%)6268(Top 50%)6268(Top 361%)
35K21.75 mi0.75 mi17661+836387+366387+3615992(Top 55%)5754(Top 46%)5754(Top 331%)
23M23.00 mi1.25 mi17447+2146294+936294+9314395(Top 50%)4941(Top 39%)4941(Top 284%)
24M24.00 mi1.00 mi17252+1956210+846210+8413447(Top 46%)4506(Top 36%)4506(Top 259%)
40K24.85 mi0.85 mi17105+1476146+646146+6414009(Top 48%)4889(Top 39%)4889(Top 281%)
25.2M25.20 mi0.35 mi17077+286141+56141+515285(Top 53%)5606(Top 45%)5606(Top 323%)
FINISH26.22 mi1.02 mi17019+586123+186123+1816008(Top 55%)5952(Top 47%)5952(Top 343%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21
+97ft-345ft

Overall

18422

Females

6713

F40-44

6713

5K→10K

3.1 - 6.2 mi

Top 62%
×5
+79ft-138ft

Overall

17901

Females

6432

F40-44

6432

10K→15K

6.2 - 9.3 mi

Top 63%
×3
+67ft-78ft

Overall

18422

Females

6713

F40-44

6713

15K→20K

9.3 - 12.4 mi

Top 66%
×5
+106ft-86ft

Overall

19196

Females

7174

F40-44

7174

20K→HALF

12.4 - 13.1 mi

Top 59%
×2
+19ft-37ft

Overall

17133

Females

5992

F40-44

5992

HALF→25K

13.1 - 15.5 mi

Top 62%
×4
+66ft-88ft

Overall

18023

Females

6567

F40-44

6567

25K→30K

15.5 - 18.6 mi

Top 59%
×9
+181ft-148ft

Overall

17241

Females

6243

F40-44

6243

30K→20M

18.6 - 20.0 mi

Top 60%
×5
+64ft-50ft

Overall

17341

Females

6377

F40-44

6377

20M→21M

20.0 - 21.0 mi

Top 59%
×8
+106ft-24ft

Overall

17022

Females

6268

F40-44

6268

21M→35K

21.0 - 21.8 mi

Top 55%
×7
+17ft-86ft

Overall

15992

Females

5754

F40-44

5754

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14395

Females

4941

F40-44

4941

23M→24M

23.0 - 24.0 mi

Top 46%
×6
+12ft-82ft

Overall

13447

Females

4506

F40-44

4506

24M→40K

24.0 - 24.9 mi

Top 48%
×1
+6ft-20ft

Overall

14009

Females

4889

F40-44

4889

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1
+13ft-16ft

Overall

15285

Females

5606

F40-44

5606

25.2M→FINISH

25.2 - 26.2 mi

Top 55%
×2
+22ft-21ft

Overall

16008

Females

5952

F40-44

5952

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1797*
Passed By
1006
Net Change
-64
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16955
5K → 10K112200-444#16955#17399
10K → 15K76200-369#17399#17768
15K → 20K77200-377#17768#18145
20K → HALF676+61#18145#18084
HALF → 25K136119+17#18084#18067
25K → 30K277*81+196#18067#17871
30K → 20M12154+67#17871#17804
20M → 21M11353+60#17804#17744
21M → 35K10219+83#17744#17661
35K → 23M230*16+214#17661#17447
23M → 24M1983+195#17447#17252
24M → 40K15710+147#17252#17105
40K → 25.2M3810+28#17105#17077
25.2M → FINISH9335+58#17077#17019
TOTALS1797*1006-64

* 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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