Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Fengping Ren

Bib: 18646FAge: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 39%
Masters (Masters Women)
#0 / 6862
Top 24%
Age Group (F40-44)
#0 / 1737
Top 48%
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
24:05
3.11 mi
Rank: #15030
Start5K
24:05 | 7:46/mi
10K
47:53
6.21 mi
Rank: #14689 (+341)
5K10K
23:48 | 7:40/mi
15K
1:11:50
9.32 mi
Rank: #14616 (+73)
10K15K
23:57 | 7:43/mi
20K
1:36:18
12.43 mi
Rank: #14729 (-113)
15K20K
24:28 | 7:53/mi
HALF
1:41:37
13.11 mi
Rank: #14771 (-42)
20KHALF
5:19 | 7:48/mi
25K
2:01:01
15.53 mi
Rank: #14861 (-90)
HALF25K
19:24 | 8:00/mi
30K
2:26:49
18.64 mi
Rank: #14983 (-122)
25K30K
25:48 | 8:19/mi
20M
2:38:06
20.00 mi
Rank: #14983
30K20M
11:17 | 8:19/mi
21M
2:47:19
21.00 mi
Rank: #15096 (-113)
20M21M
9:13 | 9:13/mi
35K
2:53:15
21.75 mi
Rank: #15046 (+50)
21M35K
5:56 | 7:56/mi
23M
3:03:46
23.00 mi
Rank: #15046
35K23M
10:31 | 8:25/mi
24M
3:11:48
24.00 mi
Rank: #14980 (+66)
23M24M
8:02 | 8:02/mi
40K
3:18:49
24.85 mi
Rank: #14926 (+54)
24M40K
7:01 | 8:13/mi
25.2M
3:21:59
25.20 mi
Rank: #14934 (-8)
40K25.2M
3:10 | 9:11/mi
FINISH
3:30:11
26.22 mi
Rank: #14975 (-41)
25.2MFINISH
8:12 | 8:03/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:37
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:48:34
Pace8:17 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:3024:057:4624:05
7:46
-
10K
6.21 mi11:31:1847:537:4323:48
7:40
-0:06
15K
9.32 mi11:55:151:11:507:4323:57
7:43
+0:03
20K
12.43 mi12:19:431:36:187:4524:28
7:53
+0:10
HALF
13.11 mi12:25:021:41:377:465:19
7:48
-0:05
25K
15.53 mi12:44:262:01:017:4819:24
8:00
+0:12
30K
18.64 mi13:10:142:26:497:5325:48
8:19
+0:19
20M
20.00 mi13:21:312:38:067:5511:17
8:19
0:00
21M
21.00 mi13:30:442:47:197:599:13
9:13
+0:54
35K
21.75 mi13:36:402:53:157:585:56
7:56
-1:17
23M
23.00 mi13:47:113:03:468:0010:31
8:25
+0:29
24M
24.00 mi13:55:133:11:488:008:02
8:02
-0:23
40K
24.85 mi14:02:143:18:498:007:01
8:13
+0:11
25.2M
25.20 mi14:05:243:21:598:013:10
9:11
+0:58
FINISH
26.22 mi14:13:363:30:118:028:12
8:03
-1:08

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

8:01 /mi

Slowest Pace

9:13 /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

1:17:09

37% of race

Time at Steady Pace

1:13:03

35% of race

Time at Slower Pace

59:59

29% of race

Average Pace: 8:01 /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 mi11:07:3024:057:4624:05
7:46
#15030
10K
6.21 mi11:31:1847:537:4323:48
7:40
#14689
15K
9.32 mi11:55:151:11:507:4323:57
7:43
#14616
20K
12.43 mi12:19:431:36:187:4524:28
7:53
#14729
HALF
13.11 mi12:25:021:41:377:465:19
7:48
#14771
25K
15.53 mi12:44:262:01:017:4819:24
8:00
#14861
30K
18.64 mi13:10:142:26:497:5325:48
8:19
#14983
20M
20.00 mi13:21:312:38:067:5511:17
8:19
#14983
21M
21.00 mi13:30:442:47:197:599:13
9:13
#15096
35K
21.75 mi13:36:402:53:157:585:56
7:56
#15046
23M
23.00 mi13:47:113:03:468:0010:31
8:25
#15046
24M
24.00 mi13:55:133:11:488:008:02
8:02
#14980
40K
24.85 mi14:02:143:18:498:007:01
8:13
#14926
25.2M
25.20 mi14:05:243:21:598:013:10
9:11
#14934
FINISH
26.22 mi14:13:363:30:118:028:12
8:03
#14975
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi150304707470714629(Top 50%)4523(Top 36%)4523(Top 260%)
10K6.21 mi3.10 mi14689+3414507+2004507+20014430(Top 50%)4361(Top 35%)4361(Top 251%)
15K9.32 mi3.11 mi14616+734496+114496+1114629(Top 50%)4523(Top 36%)4523(Top 260%)
20K12.43 mi3.11 mi14729-1134577-814577-8115143(Top 52%)4880(Top 39%)4880(Top 281%)
HALF13.11 mi0.68 mi14771-424606-294606-2915586(Top 54%)5086(Top 40%)5086(Top 293%)
25K15.53 mi2.42 mi14861-904663-574663-5715413(Top 53%)5085(Top 40%)5085(Top 293%)
30K18.64 mi3.11 mi14983-1224783-1204783-12015653(Top 54%)5335(Top 42%)5335(Top 307%)
20M20.00 mi1.36 mi149834818-354818-3514995(Top 52%)5055(Top 40%)5055(Top 291%)
21M21.00 mi1.00 mi15096-1134914-964914-9617242(Top 59%)6391(Top 51%)6391(Top 368%)
35K21.75 mi0.75 mi15046+504897+174897+1714035(Top 48%)4664(Top 37%)4664(Top 269%)
23M23.00 mi1.25 mi150464927-304927-3015136(Top 52%)5335(Top 42%)5335(Top 307%)
24M24.00 mi1.00 mi14980+664906+214906+2114037(Top 48%)4825(Top 38%)4825(Top 278%)
40K24.85 mi0.85 mi14926+544893+134893+1313852(Top 48%)4805(Top 38%)4805(Top 277%)
25.2M25.20 mi0.35 mi14934-84904-114904-1115733(Top 54%)5806(Top 46%)5806(Top 334%)
FINISH26.22 mi1.02 mi14975-414939-354939-3515489(Top 53%)5677(Top 45%)5677(Top 327%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21
+97ft-345ft

Overall

14629

Females

4523

F40-44

4523

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14430

Females

4361

F40-44

4361

10K→15K

6.2 - 9.3 mi

Top 50%
×3
+67ft-78ft

Overall

14629

Females

4523

F40-44

4523

15K→20K

9.3 - 12.4 mi

Top 52%
×5
+106ft-86ft

Overall

15143

Females

4880

F40-44

4880

20K→HALF

12.4 - 13.1 mi

Top 54%
×2
+19ft-37ft

Overall

15586

Females

5086

F40-44

5086

HALF→25K

13.1 - 15.5 mi

Top 53%
×4
+66ft-88ft

Overall

15413

Females

5085

F40-44

5085

25K→30K

15.5 - 18.6 mi

Top 54%
×9
+181ft-148ft

Overall

15653

Females

5335

F40-44

5335

30K→20M

18.6 - 20.0 mi

Top 52%
×5
+64ft-50ft

Overall

14995

Females

5055

F40-44

5055

20M→21M

20.0 - 21.0 mi

Top 59%
×8
+106ft-24ft

Overall

17242

Females

6391

F40-44

6391

21M→35K

21.0 - 21.8 mi

Top 48%
×7
+17ft-86ft

Overall

14035

Females

4664

F40-44

4664

35K→23M

21.8 - 23.0 mi

Top 52%
×5
+23ft-63ft

Overall

15136

Females

5335

F40-44

5335

23M→24M

23.0 - 24.0 mi

Top 48%
×6
+12ft-82ft

Overall

14037

Females

4825

F40-44

4825

24M→40K

24.0 - 24.9 mi

Top 48%
×1
+6ft-20ft

Overall

13852

Females

4805

F40-44

4805

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1
+13ft-16ft

Overall

15733

Females

5806

F40-44

5806

25.2M→FINISH

25.2 - 26.2 mi

Top 53%
×2
+22ft-21ft

Overall

15489

Females

5677

F40-44

5677

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1791*
Passed By
1609
Net Change
+55
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15030
5K10K505*164+341#15030#14689
10K15K247*174+73#14689#14616
15K20K133200-113#14616#14729
20KHALF1860-42#14729#14771
HALF25K108198-90#14771#14861
25K30K159200-122#14861#14983
30K20M98980#14983#14983
20M21M70183-113#14983#15096
21M35K8131+50#15096#15046
35K23M1011010#15046#15046
23M24M10539+66#15046#14980
24M40K9440+54#14980#14926
40K25.2M2836-8#14926#14934
25.2MFINISH4485-41#14934#14975
TOTALS1791*1609+55

* 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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