Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Li Zhou

Bib: 16796FAge: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 48%
Masters (Masters Women)
#0 / 6862
Top 35%
Age Group (F45-49)
#0 / 1786
Top 45%
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
22:52
3.11 mi
Rank: #11603
Start5K
22:52 | 7:22/mi
10K
46:07
6.21 mi
Rank: #12180 (-577)
5K10K
23:15 | 7:30/mi
15K
1:09:56
9.32 mi
Rank: #12843 (-663)
10K15K
23:49 | 7:40/mi
20K
1:35:05
12.43 mi
Rank: #13875 (-1032)
15K20K
25:09 | 8:06/mi
HALF
1:40:33
13.11 mi
Rank: #14050 (-175)
20KHALF
5:28 | 8:02/mi
25K
2:00:06
15.53 mi
Rank: #14347 (-297)
HALF25K
19:33 | 8:04/mi
30K
2:27:14
18.64 mi
Rank: #15177 (-830)
25K30K
27:08 | 8:45/mi
20M
2:39:44
20.00 mi
Rank: #15632 (-455)
30K20M
12:30 | 9:13/mi
21M
2:49:45
21.00 mi
Rank: #15997 (-365)
20M21M
10:01 | 10:01/mi
35K
2:56:34
21.75 mi
Rank: #16188 (-191)
21M35K
6:49 | 9:07/mi
23M
3:08:21
23.00 mi
Rank: #16462 (-274)
35K23M
11:47 | 9:25/mi
24M
3:17:30
24.00 mi
Rank: #16665 (-203)
23M24M
9:09 | 9:09/mi
40K
3:25:21
24.85 mi
Rank: #16772 (-107)
24M40K
7:51 | 9:11/mi
25.2M
3:28:47
25.20 mi
Rank: #16798 (-26)
40K25.2M
3:26 | 9:58/mi
FINISH
3:37:31
26.22 mi
Rank: #16874 (-76)
25.2MFINISH
8:44 | 8:35/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:33
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:56:58
Pace8:56 /mi
📊Positive Split: 16.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:04:0622:527:2222:52
7:22
-
10K
6.21 mi11:27:2146:077:2623:15
7:30
+0:08
15K
9.32 mi11:51:101:09:567:3123:49
7:40
+0:10
20K
12.43 mi12:16:191:35:057:4025:09
8:06
+0:26
HALF
13.11 mi12:21:471:40:337:415:28
8:02
-0:04
25K
15.53 mi12:41:202:00:067:4419:33
8:04
+0:02
30K
18.64 mi13:08:282:27:147:5427:08
8:45
+0:41
20M
20.00 mi13:20:582:39:448:0012:30
9:13
+0:28
21M
21.00 mi13:30:592:49:458:0610:01
10:01
+0:48
35K
21.75 mi13:37:482:56:348:086:49
9:07
-0:54
23M
23.00 mi13:49:353:08:218:1211:47
9:25
+0:18
24M
24.00 mi13:58:443:17:308:149:09
9:09
-0:16
40K
24.85 mi14:06:353:25:218:167:51
9:11
+0:02
25.2M
25.20 mi14:10:013:28:478:183:26
9:58
+0:47
FINISH
26.22 mi14:18:453:37:318:198:44
8:35
-1:23

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

7:22 /mi

Average Pace

8:18 /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

2:00:06

55% of race

Time at Steady Pace

51:50

24% of race

Time at Slower Pace

45:35

21% of race

Average Pace: 8:18 /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 mi11:04:0622:527:2222:52
7:22
#11603
10K
6.21 mi11:27:2146:077:2623:15
7:30
#12180
15K
9.32 mi11:51:101:09:567:3123:49
7:40
#12843
20K
12.43 mi12:16:191:35:057:4025:09
8:06
#13875
HALF
13.11 mi12:21:471:40:337:415:28
8:02
#14050
25K
15.53 mi12:41:202:00:067:4419:33
8:04
#14347
30K
18.64 mi13:08:282:27:147:5427:08
8:45
#15177
20M
20.00 mi13:20:582:39:448:0012:30
9:13
#15632
21M
21.00 mi13:30:592:49:458:0610:01
10:01
#15997
35K
21.75 mi13:37:482:56:348:086:49
9:07
#16188
23M
23.00 mi13:49:353:08:218:1211:47
9:25
#16462
24M
24.00 mi13:58:443:17:308:149:09
9:09
#16665
40K
24.85 mi14:06:353:25:218:167:51
9:11
#16772
25.2M
25.20 mi14:10:013:28:478:183:26
9:58
#16798
FINISH
26.22 mi14:18:453:37:318:198:44
8:35
#16874
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 mi116032699269914271(Top 49%)4300(Top 34%)4300(Top 241%)
10K6.21 mi3.10 mi12180-5773044-3453044-34512815(Top 44%)3450(Top 27%)3450(Top 193%)
15K9.32 mi3.11 mi12843-6633445-4013445-40114271(Top 49%)4300(Top 34%)4300(Top 241%)
20K12.43 mi3.11 mi13875-10324074-6294074-62916837(Top 58%)5843(Top 46%)5843(Top 327%)
HALF13.11 mi0.68 mi14050-1754179-1054179-10517307(Top 60%)6090(Top 48%)6090(Top 341%)
25K15.53 mi2.42 mi14347-2974373-1944373-19415891(Top 55%)5362(Top 43%)5362(Top 300%)
30K18.64 mi3.11 mi15177-8304912-5394912-53918212(Top 63%)6791(Top 54%)6791(Top 380%)
20M20.00 mi1.36 mi15632-4555198-2865198-28619867(Top 68%)7741(Top 62%)7741(Top 433%)
21M21.00 mi1.00 mi15997-3655436-2385436-23820493(Top 71%)8097(Top 64%)8097(Top 453%)
35K21.75 mi0.75 mi16188-1915574-1385574-13820459(Top 70%)8165(Top 65%)8165(Top 457%)
23M23.00 mi1.25 mi16462-2745738-1645738-16420308(Top 70%)8112(Top 64%)8112(Top 454%)
24M24.00 mi1.00 mi16665-2035866-1285866-12820084(Top 69%)8087(Top 64%)8087(Top 453%)
40K24.85 mi0.85 mi16772-1075947-815947-8119220(Top 66%)7683(Top 61%)7683(Top 430%)
25.2M25.20 mi0.35 mi16798-265976-295976-2919261(Top 66%)7684(Top 61%)7684(Top 430%)
FINISH26.22 mi1.02 mi16874-766049-736049-7318537(Top 64%)7310(Top 58%)7310(Top 409%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14271

Females

4300

F45-49

4300

5K→10K

3.1 - 6.2 mi

Top 44%
×5
+79ft-138ft

Overall

12815

Females

3450

F45-49

3450

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14271

Females

4300

F45-49

4300

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16837

Females

5843

F45-49

5843

20K→HALF

12.4 - 13.1 mi

Top 60%
×2
+19ft-37ft

Overall

17307

Females

6090

F45-49

6090

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

15891

Females

5362

F45-49

5362

25K→30K

15.5 - 18.6 mi

Top 63%
×9
+181ft-148ft

Overall

18212

Females

6791

F45-49

6791

30K→20M

18.6 - 20.0 mi

Top 68%
×5
+64ft-50ft

Overall

19867

Females

7741

F45-49

7741

20M→21M

20.0 - 21.0 mi

Top 71%
×8
+106ft-24ft

Overall

20493

Females

8097

F45-49

8097

21M→35K

21.0 - 21.8 mi

Top 70%
×7
+17ft-86ft

Overall

20459

Females

8165

F45-49

8165

35K→23M

21.8 - 23.0 mi

Top 70%
×5
+23ft-63ft

Overall

20308

Females

8112

F45-49

8112

23M→24M

23.0 - 24.0 mi

Top 69%
×6
+12ft-82ft

Overall

20084

Females

8087

F45-49

8087

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19220

Females

7683

F45-49

7683

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1
+13ft-16ft

Overall

19261

Females

7684

F45-49

7684

25.2M→FINISH

25.2 - 26.2 mi

Top 64%
×2
+22ft-21ft

Overall

18537

Females

7310

F45-49

7310

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
568
Passed By
2500
Net Change
-5271
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11603
5K10K97200-577#11603#12180
10K15K52200-663#12180#12843
15K20K24200-1032#12843#13875
20KHALF7182-175#13875#14050
HALF25K72200-297#14050#14347
25K30K49200-830#14347#15177
30K20M29200-455#15177#15632
20M21M29200-365#15632#15997
21M35K31200-191#15997#16188
35K23M41200-274#16188#16462
23M24M28200-203#16462#16665
24M40K43150-107#16665#16772
40K25.2M2450-26#16772#16798
25.2MFINISH42118-76#16798#16874
TOTALS5682500-5271
📊

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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