Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Janet Worster

Bib: 20230FAge: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 43%
Masters (Masters Women)
#0 / 6862
Top 28%
Age Group (F60-64)
#0 / 782
Top 4%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Janet

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 · 7:49/mi at mile 13.1

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
24:54
3.11 mi
Rank: #17057
Start5K
24:54 | 8:01/mi
10K
49:23
6.21 mi
Rank: #16701 (+356)
5K10K
24:29 | 7:53/mi
15K
1:14:10
9.32 mi
Rank: #16741 (-40)
10K15K
24:47 | 7:59/mi
20K
1:39:00
12.43 mi
Rank: #16562 (+179)
15K20K
24:50 | 8:00/mi
HALF
1:44:20
13.11 mi
Rank: #16522 (+40)
20KHALF
5:20 | 7:50/mi
25K
2:03:44
15.53 mi
Rank: #16301 (+221)
HALF25K
19:24 | 8:00/mi
30K
2:29:34
18.64 mi
Rank: #16158 (+143)
25K30K
25:50 | 8:19/mi
20M
2:40:57
20.00 mi
Rank: #16110 (+48)
30K20M
11:23 | 8:23/mi
21M
2:49:39
21.00 mi
Rank: #15965 (+145)
20M21M
8:42 | 8:42/mi
35K
2:55:44
21.75 mi
Rank: #15915 (+50)
21M35K
6:05 | 8:08/mi
23M
3:06:14
23.00 mi
Rank: #15843 (+72)
35K23M
10:30 | 8:24/mi
24M
3:14:22
24.00 mi
Rank: #15777 (+66)
23M24M
8:08 | 8:08/mi
40K
3:21:41
24.85 mi
Rank: #15769 (+8)
24M40K
7:19 | 8:34/mi
25.2M
3:24:46
25.20 mi
Rank: #15741 (+28)
40K25.2M
3:05 | 8:57/mi
FINISH
3:32:51
26.22 mi
Rank: #15701 (+40)
25.2MFINISH
8:05 | 7:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:20
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:48:31
Pace8:17 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:5524:548:0124:54
8:01
-
10K
6.21 mi11:34:2449:237:5724:29
7:53
-0:08
15K
9.32 mi11:59:111:14:107:5824:47
7:59
+0:06
20K
12.43 mi12:24:011:39:007:5824:50
8:00
+0:01
HALF
13.11 mi12:29:211:44:207:585:20
7:50
-0:10
25K
15.53 mi12:48:452:03:447:5819:24
8:00
+0:10
30K
18.64 mi13:14:352:29:348:0225:50
8:19
+0:19
20M
20.00 mi13:25:582:40:578:0311:23
8:23
+0:04
21M
21.00 mi13:34:402:49:398:058:42
8:42
+0:19
35K
21.75 mi13:40:452:55:448:056:05
8:08
-0:34
23M
23.00 mi13:51:153:06:148:0610:30
8:24
+0:16
24M
24.00 mi13:59:233:14:228:068:08
8:08
-0:16
40K
24.85 mi14:06:423:21:418:077:19
8:34
+0:26
25.2M
25.20 mi14:09:473:24:468:083:05
8:57
+0:23
FINISH
26.22 mi14:17:523:32:518:088:05
7:56
-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

7:50 /mi

Average Pace

8:07 /mi

Slowest Pace

8:57 /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

3:21:04

94% of race

Time at Steady Pace

11:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:07 /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 mi11:09:5524:548:0124:54
8:01
#17057
10K
6.21 mi11:34:2449:237:5724:29
7:53
#16701
15K
9.32 mi11:59:111:14:107:5824:47
7:59
#16741
20K
12.43 mi12:24:011:39:007:5824:50
8:00
#16562
HALF
13.11 mi12:29:211:44:207:585:20
7:50
#16522
25K
15.53 mi12:48:452:03:447:5819:24
8:00
#16301
30K
18.64 mi13:14:352:29:348:0225:50
8:19
#16158
20M
20.00 mi13:25:582:40:578:0311:23
8:23
#16110
21M
21.00 mi13:34:402:49:398:058:42
8:42
#15965
35K
21.75 mi13:40:452:55:448:056:05
8:08
#15915
23M
23.00 mi13:51:153:06:148:0610:30
8:24
#15843
24M
24.00 mi13:59:233:14:228:068:08
8:08
#15777
40K
24.85 mi14:06:423:21:418:077:19
8:34
#15769
25.2M
25.20 mi14:09:473:24:468:083:05
8:57
#15741
FINISH
26.22 mi14:17:523:32:518:088:05
7:56
#15701
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi170575955595516848(Top 58%)5811(Top 46%)5811(Top 743%)
10K6.21 mi3.10 mi16701+3565753+2025753+20216308(Top 56%)5501(Top 44%)5501(Top 703%)
15K9.32 mi3.11 mi16741-405769-165769-1616848(Top 58%)5811(Top 46%)5811(Top 743%)
20K12.43 mi3.11 mi16562+1795676+935676+9316093(Top 55%)5430(Top 43%)5430(Top 694%)
HALF13.11 mi0.68 mi16522+405655+215655+2115813(Top 54%)5230(Top 42%)5230(Top 669%)
25K15.53 mi2.42 mi16301+2215546+1095546+10915421(Top 53%)5093(Top 40%)5093(Top 651%)
30K18.64 mi3.11 mi16158+1435500+465500+4615730(Top 54%)5376(Top 43%)5376(Top 687%)
20M20.00 mi1.36 mi16110+485485+155485+1515453(Top 53%)5331(Top 42%)5331(Top 682%)
21M21.00 mi1.00 mi15965+1455417+685417+6814407(Top 50%)4806(Top 38%)4806(Top 615%)
35K21.75 mi0.75 mi15915+505402+155402+1515394(Top 53%)5402(Top 43%)5402(Top 691%)
23M23.00 mi1.25 mi15843+725389+135389+1315043(Top 52%)5293(Top 42%)5293(Top 677%)
24M24.00 mi1.00 mi15777+665365+245365+2414683(Top 51%)5167(Top 41%)5167(Top 661%)
40K24.85 mi0.85 mi15769+85379-145379-1416048(Top 55%)5992(Top 48%)5992(Top 766%)
25.2M25.20 mi0.35 mi15741+285370+95370+914449(Top 50%)5141(Top 41%)5141(Top 657%)
FINISH26.22 mi1.02 mi15701+405375-55375-514764(Top 51%)5317(Top 42%)5317(Top 680%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16848

Females

5811

F60-64

5811

5K→10K

3.1 - 6.2 mi

Top 56%
×5
+79ft-138ft

Overall

16308

Females

5501

F60-64

5501

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16848

Females

5811

F60-64

5811

15K→20K

9.3 - 12.4 mi

Top 55%
×5
+106ft-86ft

Overall

16093

Females

5430

F60-64

5430

20K→HALF

12.4 - 13.1 mi

Top 54%
×2
+19ft-37ft

Overall

15813

Females

5230

F60-64

5230

HALF→25K

13.1 - 15.5 mi

Top 53%
×4
+66ft-88ft

Overall

15421

Females

5093

F60-64

5093

25K→30K

15.5 - 18.6 mi

Top 54%
×9
+181ft-148ft

Overall

15730

Females

5376

F60-64

5376

30K→20M

18.6 - 20.0 mi

Top 53%
×5
+64ft-50ft

Overall

15453

Females

5331

F60-64

5331

20M→21M

20.0 - 21.0 mi

Top 50%
×8
+106ft-24ft

Overall

14407

Females

4806

F60-64

4806

21M→35K

21.0 - 21.8 mi

Top 53%
×7
+17ft-86ft

Overall

15394

Females

5402

F60-64

5402

35K→23M

21.8 - 23.0 mi

Top 52%
×5
+23ft-63ft

Overall

15043

Females

5293

F60-64

5293

23M→24M

23.0 - 24.0 mi

Top 51%
×6
+12ft-82ft

Overall

14683

Females

5167

F60-64

5167

24M→40K

24.0 - 24.9 mi

Top 55%
×1
+6ft-20ft

Overall

16048

Females

5992

F60-64

5992

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1
+13ft-16ft

Overall

14449

Females

5141

F60-64

5141

25.2M→FINISH

25.2 - 26.2 mi

Top 51%
×2
+22ft-21ft

Overall

14764

Females

5317

F60-64

5317

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2324*
Passed By
941
Net Change
+1356
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17057
5K10K513*157+356#17057#16701
10K15K187200-40#16701#16741
15K20K266*87+179#16741#16562
20KHALF5010+40#16562#16522
HALF25K264*43+221#16522#16301
25K30K255*112+143#16301#16158
30K20M11062+48#16158#16110
20M21M17126+145#16110#15965
21M35K8131+50#15965#15915
35K23M13260+72#15915#15843
23M24M10438+66#15843#15777
24M40K7163+8#15777#15769
40K25.2M4416+28#15769#15741
25.2MFINISH7636+40#15741#15701
TOTALS2324*941+1356

* 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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