Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Sandra Mostowfi

Bib: 22325FAge: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 46%
Masters (Masters Women)
#0 / 6862
Top 33%
Age Group (F45-49)
#0 / 1786
Top 41%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Sandra

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 · 7:40/mi at mile 9.3

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase · Instant access · Downloadable PDF · 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
25:07
3.11 mi
Rank: #17525
Start5K
25:07 | 8:06/mi
10K
49:08
6.21 mi
Rank: #16367 (+1158)
5K10K
24:01 | 7:44/mi
15K
1:12:57
9.32 mi
Rank: #15652 (+715)
10K15K
23:49 | 7:40/mi
20K
1:37:32
12.43 mi
Rank: #15545 (+107)
15K20K
24:35 | 7:55/mi
HALF
1:42:51
13.11 mi
Rank: #15534 (+11)
20KHALF
5:19 | 7:48/mi
25K
2:02:06
15.53 mi
Rank: #15443 (+91)
HALF25K
19:15 | 7:57/mi
30K
2:30:04
18.64 mi
Rank: #16352 (-909)
25K30K
27:58 | 9:01/mi
20M
2:41:29
20.00 mi
Rank: #16285 (+67)
30K20M
11:25 | 8:25/mi
21M
2:50:49
21.00 mi
Rank: #16359 (-74)
20M21M
9:20 | 9:20/mi
35K
2:58:18
21.75 mi
Rank: #16734 (-375)
21M35K
7:29 | 10:01/mi
23M
3:08:46
23.00 mi
Rank: #16595 (+139)
35K23M
10:28 | 8:22/mi
24M
3:16:56
24.00 mi
Rank: #16506 (+89)
23M24M
8:10 | 8:10/mi
40K
3:24:11
24.85 mi
Rank: #16442 (+64)
24M40K
7:15 | 8:29/mi
25.2M
3:27:31
25.20 mi
Rank: #16459 (-17)
40K25.2M
3:20 | 9:40/mi
FINISH
3:35:52
26.22 mi
Rank: #16452 (+7)
25.2MFINISH
8:21 | 8:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:51
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:53:01
Pace8:38 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:3725:078:0625:07
8:06
-
10K
6.21 mi11:50:3849:087:5524:01
7:44
-0:22
15K
9.32 mi12:14:271:12:577:5023:49
7:40
-0:04
20K
12.43 mi12:39:021:37:327:5124:35
7:55
+0:15
HALF
13.11 mi12:44:211:42:517:515:19
7:48
-0:07
25K
15.53 mi13:03:362:02:067:5219:15
7:57
+0:09
30K
18.64 mi13:31:342:30:048:0427:58
9:01
+1:04
20M
20.00 mi13:42:592:41:298:0511:25
8:25
-0:36
21M
21.00 mi13:52:192:50:498:099:20
9:20
+0:55
35K
21.75 mi13:59:482:58:188:127:29
10:01
+0:41
23M
23.00 mi14:10:163:08:468:1310:28
8:22
-1:39
24M
24.00 mi14:18:263:16:568:138:10
8:10
-0:12
40K
24.85 mi14:25:413:24:118:137:15
8:29
+0:19
25.2M
25.20 mi14:29:013:27:318:153:20
9:40
+1:11
FINISH
26.22 mi14:37:223:35:528:158:21
8:12
-1:28

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

7:40 /mi

Average Pace

8:14 /mi

Slowest Pace

10:01 /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

53:09

25% of race

Time at Steady Pace

1:54:36

53% of race

Time at Slower Pace

48:07

22% of race

Average Pace: 8:14 /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 mi11:26:3725:078:0625:07
8:06
#17525
10K
6.21 mi11:50:3849:087:5524:01
7:44
#16367
15K
9.32 mi12:14:271:12:577:5023:49
7:40
#15652
20K
12.43 mi12:39:021:37:327:5124:35
7:55
#15545
HALF
13.11 mi12:44:211:42:517:515:19
7:48
#15534
25K
15.53 mi13:03:362:02:067:5219:15
7:57
#15443
30K
18.64 mi13:31:342:30:048:0427:58
9:01
#16352
20M
20.00 mi13:42:592:41:298:0511:25
8:25
#16285
21M
21.00 mi13:52:192:50:498:099:20
9:20
#16359
35K
21.75 mi13:59:482:58:188:127:29
10:01
#16734
23M
23.00 mi14:10:163:08:468:1310:28
8:22
#16595
24M
24.00 mi14:18:263:16:568:138:10
8:10
#16506
40K
24.85 mi14:25:413:24:118:137:15
8:29
#16442
25.2M
25.20 mi14:29:013:27:318:153:20
9:40
#16459
FINISH
26.22 mi14:37:223:35:528:158:21
8:12
#16452
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 mi175256226622614270(Top 49%)4299(Top 34%)4299(Top 241%)
10K6.21 mi3.10 mi16367+11585548+6785548+67815023(Top 52%)4722(Top 38%)4722(Top 264%)
15K9.32 mi3.11 mi15652+7155132+4165132+41614270(Top 49%)4299(Top 34%)4299(Top 241%)
20K12.43 mi3.11 mi15545+1075087+455087+4515461(Top 53%)5068(Top 40%)5068(Top 284%)
HALF13.11 mi0.68 mi15534+115079+85079+815627(Top 54%)5127(Top 41%)5127(Top 287%)
25K15.53 mi2.42 mi15443+915033+465033+4614930(Top 51%)4844(Top 39%)4844(Top 271%)
30K18.64 mi3.11 mi16352-9095614-5815614-58119587(Top 67%)7524(Top 60%)7524(Top 421%)
20M20.00 mi1.36 mi16285+675589+255589+2515632(Top 54%)5442(Top 43%)5442(Top 305%)
21M21.00 mi1.00 mi16359-745646-575646-5717786(Top 61%)6671(Top 53%)6671(Top 374%)
35K21.75 mi0.75 mi16734-3755862-2165862-21623172(Top 80%)9528(Top 76%)9528(Top 533%)
23M23.00 mi1.25 mi16595+1395806+565806+5614894(Top 51%)5215(Top 41%)5215(Top 292%)
24M24.00 mi1.00 mi16506+895780+265780+2614891(Top 51%)5280(Top 42%)5280(Top 296%)
40K24.85 mi0.85 mi16442+645772+85772+815579(Top 54%)5725(Top 46%)5725(Top 321%)
25.2M25.20 mi0.35 mi16459-175786-145786-1418106(Top 62%)7084(Top 56%)7084(Top 397%)
FINISH26.22 mi1.02 mi16452+75808-225808-2216409(Top 57%)6171(Top 49%)6171(Top 346%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14270

Females

4299

F45-49

4299

5K→10K

3.1 - 6.2 mi

Top 52%
×5
+79ft-138ft

Overall

15023

Females

4722

F45-49

4722

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14270

Females

4299

F45-49

4299

15K→20K

9.3 - 12.4 mi

Top 53%
×5
+106ft-86ft

Overall

15461

Females

5068

F45-49

5068

20K→HALF

12.4 - 13.1 mi

Top 54%
×2
+19ft-37ft

Overall

15627

Females

5127

F45-49

5127

HALF→25K

13.1 - 15.5 mi

Top 51%
×4
+66ft-88ft

Overall

14930

Females

4844

F45-49

4844

25K→30K

15.5 - 18.6 mi

Top 67%
×9
+181ft-148ft

Overall

19587

Females

7524

F45-49

7524

30K→20M

18.6 - 20.0 mi

Top 54%
×5
+64ft-50ft

Overall

15632

Females

5442

F45-49

5442

20M→21M

20.0 - 21.0 mi

Top 61%
×8
+106ft-24ft

Overall

17786

Females

6671

F45-49

6671

21M→35K

21.0 - 21.8 mi

Top 80%
×7
+17ft-86ft

Overall

23172

Females

9528

F45-49

9528

35K→23M

21.8 - 23.0 mi

Top 51%
×5
+23ft-63ft

Overall

14894

Females

5215

F45-49

5215

23M→24M

23.0 - 24.0 mi

Top 51%
×6
+12ft-82ft

Overall

14891

Females

5280

F45-49

5280

24M→40K

24.0 - 24.9 mi

Top 54%
×1
+6ft-20ft

Overall

15579

Females

5725

F45-49

5725

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1
+13ft-16ft

Overall

18106

Females

7084

F45-49

7084

25.2M→FINISH

25.2 - 26.2 mi

Top 57%
×2
+22ft-21ft

Overall

16409

Females

6171

F45-49

6171

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3099*
Passed By
1083
Net Change
+1073
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17525
5K10K1188*30+1158#17525#16367
10K15K742*27+715#16367#15652
15K20K224*117+107#15652#15545
20KHALF4130+11#15545#15534
HALF25K17584+91#15534#15443
25K30K47200-909#15443#16352
30K20M12053+67#16352#16285
20M21M78152-74#16285#16359
21M35K12200-375#16359#16734
35K23M16728+139#16734#16595
23M24M11728+89#16595#16506
24M40K9733+64#16506#16442
40K25.2M2643-17#16442#16459
25.2MFINISH6558+7#16459#16452
TOTALS3099*1083+1073

* 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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