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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Rosalia Acosta

Bib: 31579 β€’F β€’Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F45-49)
#0 / 1786
Race Day Weather
51Β°/41Β°F
overcast clouds
Personalized for Rosalia

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment Β· 10:18/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase Β· Instant access Β· Downloadable PDF Β· Shareable report

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
32:01
3.11 mi
Rank: #26762
Start β†’ 5K
32:01 | 10:19/mi
10K
1:05:16
6.21 mi
Rank: #27051 (-289)
5K β†’ 10K
33:15 | 10:43/mi
15K
1:38:46
9.32 mi
Rank: #27075 (-24)
10K β†’ 15K
33:30 | 10:47/mi
20K
2:12:45
12.43 mi
Rank: #27019 (+56)
15K β†’ 20K
33:59 | 10:57/mi
HALF
2:20:15
13.11 mi
Rank: #27048 (-29)
20K β†’ HALF
7:30 | 11:01/mi
25K
2:47:40
15.53 mi
Rank: #27006 (+42)
HALF β†’ 25K
27:25 | 11:19/mi
30K
3:24:59
18.64 mi
Rank: #26996 (+10)
25K β†’ 30K
37:19 | 12:01/mi
20M
3:41:19
20.00 mi
Rank: #26965 (+31)
30K β†’ 20M
16:20 | 12:02/mi
21M
3:54:17
21.00 mi
Rank: #26941 (+24)
20M β†’ 21M
12:58 | 12:58/mi
35K
4:02:55
21.75 mi
Rank: #26919 (+22)
21M β†’ 35K
8:38 | 11:33/mi
23M
4:17:55
23.00 mi
Rank: #26889 (+30)
35K β†’ 23M
15:00 | 12:00/mi
24M
4:28:57
24.00 mi
Rank: #26827 (+62)
23M β†’ 24M
11:02 | 11:02/mi
40K
4:38:56
24.85 mi
Rank: #26793 (+34)
24M β†’ 40K
9:59 | 11:41/mi
25.2M
4:43:26
25.20 mi
Rank: #26791 (+2)
40K β†’ 25.2M
4:30 | 13:03/mi
FINISH
4:54:32
26.22 mi
Rank: #26780 (+11)
25.2M β†’ FINISH
11:06 | 10:54/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:20:15
Pace10:42 /mi
2nd Half
Distance13.11 mi
Time2:34:17
Pace11:47 /mi
πŸ“ŠPositive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:3832:0110:1932:01
10:19
-
10K
6.21 mi12:32:531:05:1610:3133:15
10:43
+0:24
15K
9.32 mi13:06:231:38:4610:3633:30
10:47
+0:04
20K
12.43 mi13:40:222:12:4510:4133:59
10:57
+0:10
HALF
13.11 mi13:47:522:20:1510:427:30
11:01
+0:04
25K
15.53 mi14:15:172:47:4010:4827:25
11:19
+0:18
30K
18.64 mi14:52:363:24:5911:0037:19
12:01
+0:42
20M
20.00 mi15:08:563:41:1911:0416:20
12:02
+0:01
21M
21.00 mi15:21:543:54:1711:1012:58
12:58
+0:56
35K
21.75 mi15:30:324:02:5511:118:38
11:33
-1:25
23M
23.00 mi15:45:324:17:5511:1315:00
12:00
+0:27
24M
24.00 mi15:56:344:28:5711:1311:02
11:02
-0:58
40K
24.85 mi16:06:334:38:5611:149:59
11:41
+0:39
25.2M
25.20 mi16:11:034:43:2611:154:30
13:03
+1:22
FINISH
26.22 mi16:22:094:54:3211:1511:06
10:54
-2:09

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

10:19 /mi

Average Pace

11:15 /mi

Slowest Pace

13:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:49:52

37% of race

Time at Steady Pace

1:38:33

33% of race

Time at Slower Pace

1:26:07

29% of race

Average Pace: 11:14 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:59:3832:0110:1932:01
10:19
#26762
10K
6.21 mi12:32:531:05:1610:3133:15
10:43
#27051
15K
9.32 mi13:06:231:38:4610:3633:30
10:47
#27075
20K
12.43 mi13:40:222:12:4510:4133:59
10:57
#27019
HALF
13.11 mi13:47:522:20:1510:427:30
11:01
#27048
25K
15.53 mi14:15:172:47:4010:4827:25
11:19
#27006
30K
18.64 mi14:52:363:24:5911:0037:19
12:01
#26996
20M
20.00 mi15:08:563:41:1911:0416:20
12:02
#26965
21M
21.00 mi15:21:543:54:1711:1012:58
12:58
#26941
35K
21.75 mi15:30:324:02:5511:118:38
11:33
#26919
23M
23.00 mi15:45:324:17:5511:1315:00
12:00
#26889
24M
24.00 mi15:56:344:28:5711:1311:02
11:02
#26827
40K
24.85 mi16:06:334:38:5611:149:59
11:41
#26793
25.2M
25.20 mi16:11:034:43:2611:154:30
13:03
#26791
FINISH
26.22 mi16:22:094:54:3211:1511:06
10:54
#26780
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 mi26762111341113427141(Top 94%)11387(Top 91%)11387(Top 638%)
10K6.21 mi3.10 mi27051-28911318-18411318-18427266(Top 94%)11450(Top 91%)11450(Top 641%)
15K9.32 mi3.11 mi27075-2411336-1811336-1827141(Top 94%)11387(Top 91%)11387(Top 638%)
20K12.43 mi3.11 mi27019+5611298+3811298+3826882(Top 93%)11257(Top 89%)11257(Top 630%)
HALF13.11 mi0.68 mi27048-2911324-2611324-2627376(Top 94%)11580(Top 92%)11580(Top 648%)
25K15.53 mi2.42 mi27006+4211312+1211312+1226775(Top 92%)11237(Top 89%)11237(Top 629%)
30K18.64 mi3.11 mi26996+1011341-2911341-2926787(Top 92%)11343(Top 90%)11343(Top 635%)
20M20.00 mi1.36 mi26965+3111329+1211329+1226437(Top 91%)11210(Top 89%)11210(Top 628%)
21M21.00 mi1.00 mi26941+2411323+611323+626335(Top 91%)11190(Top 89%)11190(Top 627%)
35K21.75 mi0.75 mi26919+2211316+711316+726135(Top 90%)11110(Top 88%)11110(Top 622%)
23M23.00 mi1.25 mi26889+3011306+1011306+1026104(Top 90%)11127(Top 88%)11127(Top 623%)
24M24.00 mi1.00 mi26827+6211282+2411282+2425183(Top 87%)10690(Top 85%)10690(Top 599%)
40K24.85 mi0.85 mi26793+3411272+1011272+1025403(Top 88%)10851(Top 86%)10851(Top 608%)
25.2M25.20 mi0.35 mi26791+211274-211274-226135(Top 90%)11186(Top 89%)11186(Top 626%)
FINISH26.22 mi1.02 mi26780+1111278-411278-425922(Top 89%)11111(Top 88%)11111(Top 622%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
Γ—21
+97ft-345ft

Overall

27141

Females

11387

F45-49

11387

5K→10K

3.1 - 6.2 mi

Top 94%
Γ—5
+79ft-138ft

Overall

27266

Females

11450

F45-49

11450

10K→15K

6.2 - 9.3 mi

Top 94%
Γ—3
+67ft-78ft

Overall

27141

Females

11387

F45-49

11387

15K→20K

9.3 - 12.4 mi

Top 93%
Γ—5
+106ft-86ft

Overall

26882

Females

11257

F45-49

11257

20K→HALF

12.4 - 13.1 mi

Top 94%
Γ—2
+19ft-37ft

Overall

27376

Females

11580

F45-49

11580

HALF→25K

13.1 - 15.5 mi

Top 92%
Γ—4
+66ft-88ft

Overall

26775

Females

11237

F45-49

11237

25K→30K

15.5 - 18.6 mi

Top 92%
Γ—9
+181ft-148ft

Overall

26787

Females

11343

F45-49

11343

30K→20M

18.6 - 20.0 mi

Top 91%
Γ—5
+64ft-50ft

Overall

26437

Females

11210

F45-49

11210

20M→21M

20.0 - 21.0 mi

Top 91%
Γ—8
+106ft-24ft

Overall

26335

Females

11190

F45-49

11190

21M→35K

21.0 - 21.8 mi

Top 90%
Γ—7
+17ft-86ft

Overall

26135

Females

11110

F45-49

11110

35K→23M

21.8 - 23.0 mi

Top 90%
Γ—5
+23ft-63ft

Overall

26104

Females

11127

F45-49

11127

23M→24M

23.0 - 24.0 mi

Top 87%
Γ—6
+12ft-82ft

Overall

25183

Females

10690

F45-49

10690

24M→40K

24.0 - 24.9 mi

Top 88%
Γ—1
+6ft-20ft

Overall

25403

Females

10851

F45-49

10851

40K→25.2M

24.9 - 25.2 mi

Top 90%
Γ—1
+13ft-16ft

Overall

26135

Females

11186

F45-49

11186

25.2M→FINISH

25.2 - 26.2 mi

Top 89%
Γ—2
+22ft-21ft

Overall

25922

Females

11111

F45-49

11111

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
923
Passed By
771
Net Change
-18
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#26762
5K β†’ 10K81200-289#26762#27051
10K β†’ 15K112136-24#27051#27075
15K β†’ 20K12872+56#27075#27019
20K β†’ HALF1645-29#27019#27048
HALF β†’ 25K10462+42#27048#27006
25K β†’ 30K115105+10#27006#26996
30K β†’ 20M5120+31#26996#26965
20M β†’ 21M5733+24#26965#26941
21M β†’ 35K3816+22#26941#26919
35K β†’ 23M5727+30#26919#26889
23M β†’ 24M675+62#26889#26827
24M β†’ 40K5117+34#26827#26793
40K β†’ 25.2M1412+2#26793#26791
25.2M β†’ FINISH3221+11#26791#26780
TOTALS923771-18
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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