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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Elena Castellini

Bib: 28848 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
34:49
3.11 mi
Rank: #28259
Start → 5K
34:49 | 11:13/mi
10K
1:09:30
6.21 mi
Rank: #28085 (+174)
5K → 10K
34:41 | 11:10/mi
15K
1:45:06
9.32 mi
Rank: #28051 (+34)
10K → 15K
35:36 | 11:28/mi
20K
2:21:27
12.43 mi
Rank: #27987 (+64)
15K → 20K
36:21 | 11:42/mi
HALF
2:29:15
13.11 mi
Rank: #27990 (-3)
20K → HALF
7:48 | 11:27/mi
25K
2:58:33
15.53 mi
Rank: #27935 (+55)
HALF → 25K
29:18 | 12:05/mi
30K
3:39:30
18.64 mi
Rank: #27923 (+12)
25K → 30K
40:57 | 13:11/mi
20M
3:56:44
20.00 mi
Rank: #27881 (+42)
30K → 20M
17:14 | 12:42/mi
21M
4:09:52
21.00 mi
Rank: #27821 (+60)
20M → 21M
13:08 | 13:08/mi
35K
4:18:40
21.75 mi
Rank: #27787 (+34)
21M → 35K
8:48 | 11:46/mi
23M
4:34:11
23.00 mi
Rank: #27754 (+33)
35K → 23M
15:31 | 12:24/mi
24M
4:46:48
24.00 mi
Rank: #27746 (+8)
23M → 24M
12:37 | 12:37/mi
40K
4:57:29
24.85 mi
Rank: #27723 (+23)
24M → 40K
10:41 | 12:30/mi
25.2M
5:02:10
25.20 mi
Rank: #27706 (+17)
40K → 25.2M
4:41 | 13:35/mi
FINISH
5:14:25
26.22 mi
Rank: #27697 (+9)
25.2M → FINISH
12:15 | 12:02/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
Time2:29:15
Pace11:24 /mi
2nd Half
Distance13.11 mi
Time2:45:10
Pace12:36 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:3334:4911:1334:49
11:13
-
10K
6.21 mi12:33:141:09:3011:1234:41
11:10
-0:03
15K
9.32 mi13:08:501:45:0611:1735:36
11:28
+0:18
20K
12.43 mi13:45:112:21:2711:2336:21
11:42
+0:14
HALF
13.11 mi13:52:592:29:1511:247:48
11:27
-0:15
25K
15.53 mi14:22:172:58:3311:3029:18
12:05
+0:38
30K
18.64 mi15:03:143:39:3011:4740:57
13:11
+1:06
20M
20.00 mi15:20:283:56:4411:5117:14
12:42
-0:29
21M
21.00 mi15:33:364:09:5211:5413:08
13:08
+0:26
35K
21.75 mi15:42:244:18:4011:548:48
11:46
-1:22
23M
23.00 mi15:57:554:34:1111:5615:31
12:24
+0:38
24M
24.00 mi16:10:324:46:4811:5812:37
12:37
+0:13
40K
24.85 mi16:21:134:57:2911:5910:41
12:30
-0:07
25.2M
25.20 mi16:25:545:02:1012:004:41
13:35
+1:05
FINISH
26.22 mi16:38:095:14:2512:0112:15
12:02
-1:33

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

11:10 /mi

Average Pace

12:00 /mi

Slowest Pace

13:35 /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

2:29:15

47% of race

Time at Steady Pace

1:05:52

21% of race

Time at Slower Pace

1:39:18

32% of race

Average Pace: 11:59 /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 mi11:58:3334:4911:1334:49
11:13
#28259
10K
6.21 mi12:33:141:09:3011:1234:41
11:10
#28085
15K
9.32 mi13:08:501:45:0611:1735:36
11:28
#28051
20K
12.43 mi13:45:112:21:2711:2336:21
11:42
#27987
HALF
13.11 mi13:52:592:29:1511:247:48
11:27
#27990
25K
15.53 mi14:22:172:58:3311:3029:18
12:05
#27935
30K
18.64 mi15:03:143:39:3011:4740:57
13:11
#27923
20M
20.00 mi15:20:283:56:4411:5117:14
12:42
#27881
21M
21.00 mi15:33:364:09:5211:5413:08
13:08
#27821
35K
21.75 mi15:42:244:18:4011:548:48
11:46
#27787
23M
23.00 mi15:57:554:34:1111:5615:31
12:24
#27754
24M
24.00 mi16:10:324:46:4811:5812:37
12:37
#27746
40K
24.85 mi16:21:134:57:2911:5910:41
12:30
#27723
25.2M
25.20 mi16:25:545:02:1012:004:41
13:35
#27706
FINISH
26.22 mi16:38:095:14:2512:0112:15
12:02
#27697
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 mi28259120561205627931(Top 96%)11875(Top 94%)11875(Top 208%)
10K6.21 mi3.10 mi28085+17411940+11611940+11627883(Top 96%)11844(Top 94%)11844(Top 207%)
15K9.32 mi3.11 mi28051+3411923+1711923+1727931(Top 96%)11875(Top 94%)11875(Top 208%)
20K12.43 mi3.11 mi27987+6411895+2811895+2827735(Top 96%)11757(Top 93%)11757(Top 206%)
HALF13.11 mi0.68 mi27990-311896-111896-127819(Top 96%)11846(Top 94%)11846(Top 207%)
25K15.53 mi2.42 mi27935+5511872+2411872+2427602(Top 95%)11728(Top 93%)11728(Top 205%)
30K18.64 mi3.11 mi27923+1211878-611878-627863(Top 96%)11918(Top 95%)11918(Top 209%)
20M20.00 mi1.36 mi27881+4211862+1611862+1627147(Top 94%)11574(Top 92%)11574(Top 202%)
21M21.00 mi1.00 mi27821+6011829+3311829+3326525(Top 91%)11289(Top 90%)11289(Top 197%)
35K21.75 mi0.75 mi27787+3411814+1511814+1526465(Top 91%)11281(Top 90%)11281(Top 197%)
23M23.00 mi1.25 mi27754+3311799+1511799+1526667(Top 92%)11415(Top 91%)11415(Top 200%)
24M24.00 mi1.00 mi27746+811804-511804-527312(Top 94%)11772(Top 94%)11772(Top 206%)
40K24.85 mi0.85 mi27723+2311802+211802+226525(Top 91%)11406(Top 91%)11406(Top 200%)
25.2M25.20 mi0.35 mi27706+1711793+911793+926806(Top 92%)11532(Top 92%)11532(Top 202%)
FINISH26.22 mi1.02 mi27697+911796-311796-327495(Top 95%)11865(Top 94%)11865(Top 208%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21
+97ft-345ft

Overall

27931

Females

11875

F18-39

11875

5K→10K

3.1 - 6.2 mi

Top 96%
×5
+79ft-138ft

Overall

27883

Females

11844

F18-39

11844

10K→15K

6.2 - 9.3 mi

Top 96%
×3
+67ft-78ft

Overall

27931

Females

11875

F18-39

11875

15K→20K

9.3 - 12.4 mi

Top 96%
×5
+106ft-86ft

Overall

27735

Females

11757

F18-39

11757

20K→HALF

12.4 - 13.1 mi

Top 96%
×2
+19ft-37ft

Overall

27819

Females

11846

F18-39

11846

HALF→25K

13.1 - 15.5 mi

Top 95%
×4
+66ft-88ft

Overall

27602

Females

11728

F18-39

11728

25K→30K

15.5 - 18.6 mi

Top 96%
×9
+181ft-148ft

Overall

27863

Females

11918

F18-39

11918

30K→20M

18.6 - 20.0 mi

Top 94%
×5
+64ft-50ft

Overall

27147

Females

11574

F18-39

11574

20M→21M

20.0 - 21.0 mi

Top 91%
×8
+106ft-24ft

Overall

26525

Females

11289

F18-39

11289

21M→35K

21.0 - 21.8 mi

Top 91%
×7
+17ft-86ft

Overall

26465

Females

11281

F18-39

11281

35K→23M

21.8 - 23.0 mi

Top 92%
×5
+23ft-63ft

Overall

26667

Females

11415

F18-39

11415

23M→24M

23.0 - 24.0 mi

Top 94%
×6
+12ft-82ft

Overall

27312

Females

11772

F18-39

11772

24M→40K

24.0 - 24.9 mi

Top 91%
×1
+6ft-20ft

Overall

26525

Females

11406

F18-39

11406

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1
+13ft-16ft

Overall

26806

Females

11532

F18-39

11532

25.2M→FINISH

25.2 - 26.2 mi

Top 95%
×2
+22ft-21ft

Overall

27495

Females

11865

F18-39

11865

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
890*
Passed By
328
Net Change
+562
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28259
5K → 10K213*39+174#28259#28085
10K → 15K10470+34#28085#28051
15K → 20K10844+64#28051#27987
20K → HALF1114-3#27987#27990
HALF → 25K9035+55#27990#27935
25K → 30K7967+12#27935#27923
30K → 20M497+42#27923#27881
20M → 21M666+60#27881#27821
21M → 35K351+34#27821#27787
35K → 23M429+33#27787#27754
23M → 24M2214+8#27754#27746
24M → 40K296+23#27746#27723
40K → 25.2M203+17#27723#27706
25.2M → FINISH2213+9#27706#27697
TOTALS890*328+562

* 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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Activity Data

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