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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Alejandra Alvarez-Ibanez

Bib: 21365 •F •Age: N/A

PR

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 41%
Masters (Masters Women)
#0 / 6862
Top 26%
Age Group (F45-49)
#0 / 1786
Top 30%
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
24:37
3.11 mi
Rank: #16368
Start → 5K
24:37 | 7:56/mi
10K
49:12
6.21 mi
Rank: #16446 (-78)
5K → 10K
24:35 | 7:55/mi
15K
1:14:10
9.32 mi
Rank: #16740 (-294)
10K → 15K
24:58 | 8:03/mi
20K
1:39:28
12.43 mi
Rank: #16822 (-82)
15K → 20K
25:18 | 8:09/mi
HALF
1:44:52
13.11 mi
Rank: #16798 (+24)
20K → HALF
5:24 | 7:56/mi
25K
2:04:30
15.53 mi
Rank: #16678 (+120)
HALF → 25K
19:38 | 8:06/mi
30K
2:30:16
18.64 mi
Rank: #16456 (+222)
25K → 30K
25:46 | 8:18/mi
20M
2:41:35
20.00 mi
Rank: #16319 (+137)
30K → 20M
11:19 | 8:20/mi
21M
2:50:22
21.00 mi
Rank: #16196 (+123)
20M → 21M
8:47 | 8:47/mi
35K
2:56:08
21.75 mi
Rank: #16035 (+161)
21M → 35K
5:46 | 7:43/mi
23M
3:06:05
23.00 mi
Rank: #15790 (+245)
35K → 23M
9:57 | 7:58/mi
24M
3:13:59
24.00 mi
Rank: #15664 (+126)
23M → 24M
7:54 | 7:54/mi
40K
3:20:43
24.85 mi
Rank: #15519 (+145)
24M → 40K
6:44 | 7:53/mi
25.2M
3:23:41
25.20 mi
Rank: #15448 (+71)
40K → 25.2M
2:58 | 8:37/mi
FINISH
3:31:28
26.22 mi
Rank: #15354 (+94)
25.2M → FINISH
7:47 | 7:39/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:52
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:46:36
Pace8:08 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4424:377:5624:37
7:56
-
10K
6.21 mi11:50:1949:127:5624:35
7:55
-0:01
15K
9.32 mi12:15:171:14:107:5824:58
8:03
+0:08
20K
12.43 mi12:40:351:39:288:0125:18
8:09
+0:06
HALF
13.11 mi12:45:591:44:528:005:24
7:56
-0:13
25K
15.53 mi13:05:372:04:308:0119:38
8:06
+0:10
30K
18.64 mi13:31:232:30:168:0425:46
8:18
+0:12
20M
20.00 mi13:42:422:41:358:0511:19
8:20
+0:02
21M
21.00 mi13:51:292:50:228:078:47
8:47
+0:27
35K
21.75 mi13:57:152:56:088:065:46
7:43
-1:04
23M
23.00 mi14:07:123:06:058:069:57
7:58
+0:15
24M
24.00 mi14:15:063:13:598:057:54
7:54
-0:04
40K
24.85 mi14:21:503:20:438:056:44
7:53
-0:01
25.2M
25.20 mi14:24:483:23:418:052:58
8:37
+0:44
FINISH
26.22 mi14:32:353:31:288:057:47
7:39
-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

7:39 /mi

Average Pace

8:04 /mi

Slowest Pace

8:47 /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

3:19:43

94% of race

Time at Steady Pace

11:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:04 /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 mi11:25:4424:377:5624:37
7:56
#16368
10K
6.21 mi11:50:1949:127:5624:35
7:55
#16446
15K
9.32 mi12:15:171:14:107:5824:58
8:03
#16740
20K
12.43 mi12:40:351:39:288:0125:18
8:09
#16822
HALF
13.11 mi12:45:591:44:528:005:24
7:56
#16798
25K
15.53 mi13:05:372:04:308:0119:38
8:06
#16678
30K
18.64 mi13:31:232:30:168:0425:46
8:18
#16456
20M
20.00 mi13:42:422:41:358:0511:19
8:20
#16319
21M
21.00 mi13:51:292:50:228:078:47
8:47
#16196
35K
21.75 mi13:57:152:56:088:065:46
7:43
#16035
23M
23.00 mi14:07:123:06:058:069:57
7:58
#15790
24M
24.00 mi14:15:063:13:598:057:54
7:54
#15664
40K
24.85 mi14:21:503:20:438:056:44
7:53
#15519
25.2M
25.20 mi14:24:483:23:418:052:58
8:37
#15448
FINISH
26.22 mi14:32:353:31:288:057:47
7:39
#15354
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi163685542554217300(Top 60%)6078(Top 48%)6078(Top 340%)
10K6.21 mi3.10 mi16446-785597-555597-5516580(Top 57%)5660(Top 45%)5660(Top 317%)
15K9.32 mi3.11 mi16740-2945768-1715768-17117300(Top 60%)6078(Top 48%)6078(Top 340%)
20K12.43 mi3.11 mi16822-825827-595827-5917142(Top 59%)5998(Top 48%)5998(Top 336%)
HALF13.11 mi0.68 mi16798+245817+105817+1016559(Top 57%)5651(Top 45%)5651(Top 316%)
25K15.53 mi2.42 mi16678+1205752+655752+6516089(Top 55%)5474(Top 44%)5474(Top 306%)
30K18.64 mi3.11 mi16456+2225669+835669+8315575(Top 54%)5287(Top 42%)5287(Top 296%)
20M20.00 mi1.36 mi16319+1375604+655604+6515143(Top 52%)5145(Top 41%)5145(Top 288%)
21M21.00 mi1.00 mi16196+1235560+445560+4414915(Top 51%)5096(Top 41%)5096(Top 285%)
35K21.75 mi0.75 mi16035+1615477+835477+8312461(Top 43%)3811(Top 30%)3811(Top 213%)
23M23.00 mi1.25 mi15790+2455353+1245353+12412168(Top 42%)3703(Top 29%)3703(Top 207%)
24M24.00 mi1.00 mi15664+1265298+555298+5513068(Top 45%)4296(Top 34%)4296(Top 241%)
40K24.85 mi0.85 mi15519+1455234+645234+6411667(Top 40%)3610(Top 29%)3610(Top 202%)
25.2M25.20 mi0.35 mi15448+715210+245210+2412403(Top 43%)4079(Top 32%)4079(Top 228%)
FINISH26.22 mi1.02 mi15354+945162+485162+4812552(Top 43%)4163(Top 33%)4163(Top 233%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21
+97ft-345ft

Overall

17300

Females

6078

F45-49

6078

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16580

Females

5660

F45-49

5660

10K→15K

6.2 - 9.3 mi

Top 60%
×3
+67ft-78ft

Overall

17300

Females

6078

F45-49

6078

15K→20K

9.3 - 12.4 mi

Top 59%
×5
+106ft-86ft

Overall

17142

Females

5998

F45-49

5998

20K→HALF

12.4 - 13.1 mi

Top 57%
×2
+19ft-37ft

Overall

16559

Females

5651

F45-49

5651

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

16089

Females

5474

F45-49

5474

25K→30K

15.5 - 18.6 mi

Top 54%
×9
+181ft-148ft

Overall

15575

Females

5287

F45-49

5287

30K→20M

18.6 - 20.0 mi

Top 52%
×5
+64ft-50ft

Overall

15143

Females

5145

F45-49

5145

20M→21M

20.0 - 21.0 mi

Top 51%
×8
+106ft-24ft

Overall

14915

Females

5096

F45-49

5096

21M→35K

21.0 - 21.8 mi

Top 43%
×7
+17ft-86ft

Overall

12461

Females

3811

F45-49

3811

35K→23M

21.8 - 23.0 mi

Top 42%
×5
+23ft-63ft

Overall

12168

Females

3703

F45-49

3703

23M→24M

23.0 - 24.0 mi

Top 45%
×6
+12ft-82ft

Overall

13068

Females

4296

F45-49

4296

24M→40K

24.0 - 24.9 mi

Top 40%
×1
+6ft-20ft

Overall

11667

Females

3610

F45-49

3610

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1
+13ft-16ft

Overall

12403

Females

4079

F45-49

4079

25.2M→FINISH

25.2 - 26.2 mi

Top 43%
×2
+22ft-21ft

Overall

12552

Females

4163

F45-49

4163

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2234*
Passed By
893
Net Change
+1014
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16368
5K → 10K200200-78#16368#16446
10K → 15K121200-294#16446#16740
15K → 20K152200-82#16740#16822
20K → HALF4218+24#16822#16798
HALF → 25K19676+120#16798#16678
25K → 30K298*76+222#16678#16456
30K → 20M16932+137#16456#16319
20M → 21M15229+123#16319#16196
21M → 35K1643+161#16196#16035
35K → 23M259*14+245#16035#15790
23M → 24M1359+126#15790#15664
24M → 40K15510+145#15664#15519
40K → 25.2M754+71#15519#15448
25.2M → FINISH11622+94#15448#15354
TOTALS2234*893+1014

* 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

Activity Data

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