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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Astrid Novelo Rosas

Bib: 21048 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 42%
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
24:42
3.11 mi
Rank: #16575
Start → 5K
24:42 | 7:58/mi
10K
49:47
6.21 mi
Rank: #17180 (-605)
5K → 10K
25:05 | 8:05/mi
15K
1:15:01
9.32 mi
Rank: #17414 (-234)
10K → 15K
25:14 | 8:08/mi
20K
1:40:49
12.43 mi
Rank: #17604 (-190)
15K → 20K
25:48 | 8:19/mi
HALF
1:46:23
13.11 mi
Rank: #17623 (-19)
20K → HALF
5:34 | 8:10/mi
25K
2:06:46
15.53 mi
Rank: #17674 (-51)
HALF → 25K
20:23 | 8:25/mi
30K
2:34:28
18.64 mi
Rank: #17932 (-258)
25K → 30K
27:42 | 8:55/mi
20M
2:46:58
20.00 mi
Rank: #18081 (-149)
30K → 20M
12:30 | 9:13/mi
21M
2:56:55
21.00 mi
Rank: #18222 (-141)
20M → 21M
9:57 | 9:57/mi
35K
3:03:18
21.75 mi
Rank: #18205 (+17)
21M → 35K
6:23 | 8:32/mi
23M
3:14:22
23.00 mi
Rank: #18165 (+40)
35K → 23M
11:04 | 8:51/mi
24M
3:22:53
24.00 mi
Rank: #18101 (+64)
23M → 24M
8:31 | 8:31/mi
40K
3:30:21
24.85 mi
Rank: #18041 (+60)
24M → 40K
7:28 | 8:44/mi
25.2M
3:33:34
25.20 mi
Rank: #18010 (+31)
40K → 25.2M
3:13 | 9:20/mi
FINISH
3:42:02
26.22 mi
Rank: #17961 (+49)
25.2M → FINISH
8:28 | 8:19/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
Time1:46:23
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:55:39
Pace8:50 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:5224:427:5824:42
7:58
-
10K
6.21 mi11:35:5749:478:0125:05
8:05
+0:07
15K
9.32 mi12:01:111:15:018:0325:14
8:08
+0:03
20K
12.43 mi12:26:591:40:498:0725:48
8:19
+0:11
HALF
13.11 mi12:32:331:46:238:075:34
8:10
-0:09
25K
15.53 mi12:52:562:06:468:1020:23
8:25
+0:15
30K
18.64 mi13:20:382:34:288:1827:42
8:55
+0:30
20M
20.00 mi13:33:082:46:588:2112:30
9:13
+0:18
21M
21.00 mi13:43:052:56:558:269:57
9:57
+0:44
35K
21.75 mi13:49:283:03:188:266:23
8:32
-1:25
23M
23.00 mi14:00:323:14:228:2811:04
8:51
+0:19
24M
24.00 mi14:09:033:22:538:288:31
8:31
-0:20
40K
24.85 mi14:16:313:30:218:287:28
8:44
+0:13
25.2M
25.20 mi14:19:443:33:348:293:13
9:20
+0:36
FINISH
26.22 mi14:28:123:42:028:298:28
8:19
-1:01

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

7:58 /mi

Average Pace

8:28 /mi

Slowest Pace

9:57 /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

1:20:35

36% of race

Time at Steady Pace

1:17:01

35% of race

Time at Slower Pace

1:04:26

29% of race

Average Pace: 8:28 /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 mi11:10:5224:427:5824:42
7:58
#16575
10K
6.21 mi11:35:5749:478:0125:05
8:05
#17180
15K
9.32 mi12:01:111:15:018:0325:14
8:08
#17414
20K
12.43 mi12:26:591:40:498:0725:48
8:19
#17604
HALF
13.11 mi12:32:331:46:238:075:34
8:10
#17623
25K
15.53 mi12:52:562:06:468:1020:23
8:25
#17674
30K
18.64 mi13:20:382:34:288:1827:42
8:55
#17932
20M
20.00 mi13:33:082:46:588:2112:30
9:13
#18081
21M
21.00 mi13:43:052:56:558:269:57
9:57
#18222
35K
21.75 mi13:49:283:03:188:266:23
8:32
#18205
23M
23.00 mi14:00:323:14:228:2811:04
8:51
#18165
24M
24.00 mi14:09:033:22:538:288:31
8:31
#18101
40K
24.85 mi14:16:313:30:218:287:28
8:44
#18041
25.2M
25.20 mi14:19:443:33:348:293:13
9:20
#18010
FINISH
26.22 mi14:28:123:42:028:298:28
8:19
#17961
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 mi165755673567317846(Top 61%)6393(Top 51%)6393(Top 368%)
10K6.21 mi3.10 mi17180-6056033-3606033-36017799(Top 61%)6380(Top 51%)6380(Top 367%)
15K9.32 mi3.11 mi17414-2346176-1436176-14317846(Top 61%)6393(Top 51%)6393(Top 368%)
20K12.43 mi3.11 mi17604-1906279-1036279-10318132(Top 62%)6592(Top 52%)6592(Top 380%)
HALF13.11 mi0.68 mi17623-196284-56284-518242(Top 63%)6615(Top 53%)6615(Top 381%)
25K15.53 mi2.42 mi17674-516321-376321-3718030(Top 62%)6574(Top 52%)6574(Top 378%)
30K18.64 mi3.11 mi17932-2586501-1806501-18019164(Top 66%)7301(Top 58%)7301(Top 420%)
20M20.00 mi1.36 mi18081-1496612-1116612-11119868(Top 68%)7742(Top 62%)7742(Top 446%)
21M21.00 mi1.00 mi18222-1416709-976709-9720269(Top 70%)7994(Top 64%)7994(Top 460%)
35K21.75 mi0.75 mi18205+176701+86701+817780(Top 61%)6771(Top 54%)6771(Top 390%)
23M23.00 mi1.25 mi18165+406708-76708-717715(Top 61%)6817(Top 54%)6817(Top 392%)
24M24.00 mi1.00 mi18101+646690+186690+1817035(Top 59%)6496(Top 52%)6496(Top 374%)
40K24.85 mi0.85 mi18041+606675+156675+1517049(Top 59%)6545(Top 52%)6545(Top 377%)
25.2M25.20 mi0.35 mi18010+316664+116664+1116557(Top 57%)6275(Top 50%)6275(Top 361%)
FINISH26.22 mi1.02 mi17961+496647+176647+1717124(Top 59%)6588(Top 52%)6588(Top 379%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21
+97ft-345ft

Overall

17846

Females

6393

F40-44

6393

5K→10K

3.1 - 6.2 mi

Top 61%
×5
+79ft-138ft

Overall

17799

Females

6380

F40-44

6380

10K→15K

6.2 - 9.3 mi

Top 61%
×3
+67ft-78ft

Overall

17846

Females

6393

F40-44

6393

15K→20K

9.3 - 12.4 mi

Top 62%
×5
+106ft-86ft

Overall

18132

Females

6592

F40-44

6592

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18242

Females

6615

F40-44

6615

HALF→25K

13.1 - 15.5 mi

Top 62%
×4
+66ft-88ft

Overall

18030

Females

6574

F40-44

6574

25K→30K

15.5 - 18.6 mi

Top 66%
×9
+181ft-148ft

Overall

19164

Females

7301

F40-44

7301

30K→20M

18.6 - 20.0 mi

Top 68%
×5
+64ft-50ft

Overall

19868

Females

7742

F40-44

7742

20M→21M

20.0 - 21.0 mi

Top 70%
×8
+106ft-24ft

Overall

20269

Females

7994

F40-44

7994

21M→35K

21.0 - 21.8 mi

Top 61%
×7
+17ft-86ft

Overall

17780

Females

6771

F40-44

6771

35K→23M

21.8 - 23.0 mi

Top 61%
×5
+23ft-63ft

Overall

17715

Females

6817

F40-44

6817

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17035

Females

6496

F40-44

6496

24M→40K

24.0 - 24.9 mi

Top 59%
×1
+6ft-20ft

Overall

17049

Females

6545

F40-44

6545

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1
+13ft-16ft

Overall

16557

Females

6275

F40-44

6275

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17124

Females

6588

F40-44

6588

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1158
Passed By
1626
Net Change
-1386
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16575
5K → 10K87200-605#16575#17180
10K → 15K109200-234#17180#17414
15K → 20K109200-190#17414#17604
20K → HALF3049-19#17604#17623
HALF → 25K108159-51#17623#17674
25K → 30K121200-258#17674#17932
30K → 20M56200-149#17932#18081
20M → 21M42183-141#18081#18222
21M → 35K5336+17#18222#18205
35K → 23M10666+40#18205#18165
23M → 24M10137+64#18165#18101
24M → 40K10141+60#18101#18041
40K → 25.2M4312+31#18041#18010
25.2M → FINISH9243+49#18010#17961
TOTALS11581626-1386
📊

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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Activity Data

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