Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Lori Bellerby

Bib: 19098FAge: N/A

ON

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 46%
Gender (Female)
#0 / 12578
Top 32%
Masters (Masters Women)
#0 / 6862
Top 16%
Age Group (F50-54)
#0 / 1233
Top 10%
Race Day Weather
51°/41°F
overcast clouds
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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
24:03
3.11 mi
Rank: #14925
Start5K
24:03 | 7:45/mi
10K
48:19
6.21 mi
Rank: #15268 (-343)
5K10K
24:16 | 7:49/mi
15K
1:12:16
9.32 mi
Rank: #15018 (+250)
10K15K
23:57 | 7:43/mi
20K
1:36:21
12.43 mi
Rank: #14758 (+260)
15K20K
24:05 | 7:46/mi
HALF
1:41:35
13.11 mi
Rank: #14738 (+20)
20KHALF
5:14 | 7:41/mi
25K
2:00:26
15.53 mi
Rank: #14533 (+205)
HALF25K
18:51 | 7:47/mi
30K
2:25:05
18.64 mi
Rank: #14226 (+307)
25K30K
24:39 | 7:57/mi
20M
2:36:04
20.00 mi
Rank: #14148 (+78)
30K20M
10:59 | 8:06/mi
21M
2:44:34
21.00 mi
Rank: #14038 (+110)
20M21M
8:30 | 8:30/mi
35K
2:50:25
21.75 mi
Rank: #13986 (+52)
21M35K
5:51 | 7:50/mi
23M
3:00:25
23.00 mi
Rank: #13883 (+103)
35K23M
10:00 | 8:00/mi
24M
3:08:01
24.00 mi
Rank: #13729 (+154)
23M24M
7:36 | 7:36/mi
40K
3:14:33
24.85 mi
Rank: #13569 (+160)
24M40K
6:32 | 7:39/mi
25.2M
3:17:28
25.20 mi
Rank: #13519 (+50)
40K25.2M
2:55 | 8:28/mi
FINISH
3:25:01
26.22 mi
Rank: #13379 (+140)
25.2MFINISH
7:33 | 7:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:35
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:43:26
Pace7:54 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:3424:037:4524:03
7:45
-
10K
6.21 mi11:33:5048:197:4724:16
7:49
+0:04
15K
9.32 mi11:57:471:12:167:4623:57
7:43
-0:06
20K
12.43 mi12:21:521:36:217:4624:05
7:46
+0:03
HALF
13.11 mi12:27:061:41:357:455:14
7:41
-0:05
25K
15.53 mi12:45:572:00:267:4618:51
7:47
+0:06
30K
18.64 mi13:10:362:25:057:4724:39
7:57
+0:10
20M
20.00 mi13:21:352:36:047:4910:59
8:06
+0:09
21M
21.00 mi13:30:052:44:347:518:30
8:30
+0:24
35K
21.75 mi13:35:562:50:257:515:51
7:50
-0:40
23M
23.00 mi13:45:563:00:257:5110:00
8:00
+0:10
24M
24.00 mi13:53:323:08:017:517:36
7:36
-0:24
40K
24.85 mi14:00:043:14:337:506:32
7:39
+0:03
25.2M
25.20 mi14:02:593:17:287:512:55
8:28
+0:49
FINISH
26.22 mi14:10:323:25:017:507:33
7:25
-1:03

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

7:25 /mi

Average Pace

7:50 /mi

Slowest Pace

8:30 /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

3:13:36

94% of race

Time at Steady Pace

11:25

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi11:09:3424:037:4524:03
7:45
#14925
10K
6.21 mi11:33:5048:197:4724:16
7:49
#15268
15K
9.32 mi11:57:471:12:167:4623:57
7:43
#15018
20K
12.43 mi12:21:521:36:217:4624:05
7:46
#14758
HALF
13.11 mi12:27:061:41:357:455:14
7:41
#14738
25K
15.53 mi12:45:572:00:267:4618:51
7:47
#14533
30K
18.64 mi13:10:362:25:057:4724:39
7:57
#14226
20M
20.00 mi13:21:352:36:047:4910:59
8:06
#14148
21M
21.00 mi13:30:052:44:347:518:30
8:30
#14038
35K
21.75 mi13:35:562:50:257:515:51
7:50
#13986
23M
23.00 mi13:45:563:00:257:5110:00
8:00
#13883
24M
24.00 mi13:53:323:08:017:517:36
7:36
#13729
40K
24.85 mi14:00:043:14:337:506:32
7:39
#13569
25.2M
25.20 mi14:02:593:17:287:512:55
8:28
#13519
FINISH
26.22 mi14:10:323:25:017:507:33
7:25
#13379
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi149254636463614622(Top 50%)4516(Top 36%)4516(Top 366%)
10K6.21 mi3.10 mi15268-3434882-2464882-24615739(Top 54%)5156(Top 41%)5156(Top 418%)
15K9.32 mi3.11 mi15018+2504742+1404742+14014622(Top 50%)4516(Top 36%)4516(Top 366%)
20K12.43 mi3.11 mi14758+2604595+1474595+14714153(Top 49%)4293(Top 34%)4293(Top 348%)
HALF13.11 mi0.68 mi14738+204583+124583+1214589(Top 50%)4476(Top 36%)4476(Top 363%)
25K15.53 mi2.42 mi14533+2054476+1074476+10713631(Top 47%)4083(Top 32%)4083(Top 331%)
30K18.64 mi3.11 mi14226+3074344+1324344+13213018(Top 45%)3852(Top 31%)3852(Top 312%)
20M20.00 mi1.36 mi14148+784319+254319+2513428(Top 46%)4178(Top 33%)4178(Top 339%)
21M21.00 mi1.00 mi14038+1104289+304289+3013137(Top 45%)4128(Top 33%)4128(Top 335%)
35K21.75 mi0.75 mi13986+524270+194270+1913245(Top 46%)4216(Top 34%)4216(Top 342%)
23M23.00 mi1.25 mi13883+1034237+334237+3312416(Top 43%)3833(Top 30%)3833(Top 311%)
24M24.00 mi1.00 mi13729+1544175+624175+6210896(Top 38%)3120(Top 25%)3120(Top 253%)
40K24.85 mi0.85 mi13569+1604100+754100+759959(Top 34%)2743(Top 22%)2743(Top 222%)
25.2M25.20 mi0.35 mi13519+504082+184082+1811428(Top 39%)3584(Top 28%)3584(Top 291%)
FINISH26.22 mi1.02 mi13379+1404032+504032+5010772(Top 37%)3246(Top 26%)3246(Top 263%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21
+97ft-345ft

Overall

14622

Females

4516

F50-54

4516

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15739

Females

5156

F50-54

5156

10K→15K

6.2 - 9.3 mi

Top 50%
×3
+67ft-78ft

Overall

14622

Females

4516

F50-54

4516

15K→20K

9.3 - 12.4 mi

Top 49%
×5
+106ft-86ft

Overall

14153

Females

4293

F50-54

4293

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14589

Females

4476

F50-54

4476

HALF→25K

13.1 - 15.5 mi

Top 47%
×4
+66ft-88ft

Overall

13631

Females

4083

F50-54

4083

25K→30K

15.5 - 18.6 mi

Top 45%
×9
+181ft-148ft

Overall

13018

Females

3852

F50-54

3852

30K→20M

18.6 - 20.0 mi

Top 46%
×5
+64ft-50ft

Overall

13428

Females

4178

F50-54

4178

20M→21M

20.0 - 21.0 mi

Top 45%
×8
+106ft-24ft

Overall

13137

Females

4128

F50-54

4128

21M→35K

21.0 - 21.8 mi

Top 46%
×7
+17ft-86ft

Overall

13245

Females

4216

F50-54

4216

35K→23M

21.8 - 23.0 mi

Top 43%
×5
+23ft-63ft

Overall

12416

Females

3833

F50-54

3833

23M→24M

23.0 - 24.0 mi

Top 38%
×6
+12ft-82ft

Overall

10896

Females

3120

F50-54

3120

24M→40K

24.0 - 24.9 mi

Top 34%
×1
+6ft-20ft

Overall

9959

Females

2743

F50-54

2743

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1
+13ft-16ft

Overall

11428

Females

3584

F50-54

3584

25.2M→FINISH

25.2 - 26.2 mi

Top 37%
×2
+22ft-21ft

Overall

10772

Females

3246

F50-54

3246

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2543*
Passed By
695
Net Change
+1546
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14925
5K10K159200-343#14925#15268
10K15K349*99+250#15268#15018
15K20K332*72+260#15018#14758
20KHALF4424+20#14758#14738
HALF25K248*43+205#14738#14533
25K30K365*58+307#14533#14226
30K20M12850+78#14226#14148
20M21M15545+110#14148#14038
21M35K7927+52#14038#13986
35K23M14643+103#13986#13883
23M24M1628+154#13883#13729
24M40K1644+160#13729#13569
40K25.2M555+50#13569#13519
25.2MFINISH15717+140#13519#13379
TOTALS2543*695+1546

* 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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