Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Qiuji Zhong

Bib: 21916FAge: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 41%
Age Group (F60-64)
#0 / 782
Top 9%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Qiuji

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 · 7:08/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
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
22:09
3.11 mi
Rank: #9609
Start5K
22:09 | 7:08/mi
10K
46:32
6.21 mi
Rank: #12749 (-3140)
5K10K
24:23 | 7:51/mi
15K
1:11:09
9.32 mi
Rank: #13947 (-1198)
10K15K
24:37 | 7:56/mi
20K
1:37:20
12.43 mi
Rank: #15440 (-1493)
15K20K
26:11 | 8:26/mi
HALF
1:42:53
13.11 mi
Rank: #15552 (-112)
20KHALF
5:33 | 8:09/mi
25K
2:04:25
15.53 mi
Rank: #16635 (-1083)
HALF25K
21:32 | 8:53/mi
30K
2:32:30
18.64 mi
Rank: #17258 (-623)
25K30K
28:05 | 9:03/mi
20M
2:44:26
20.00 mi
Rank: #17285 (-27)
30K20M
11:56 | 8:48/mi
21M
2:54:10
21.00 mi
Rank: #17418 (-133)
20M21M
9:44 | 9:44/mi
35K
3:00:25
21.75 mi
Rank: #17374 (+44)
21M35K
6:15 | 8:22/mi
23M
3:11:59
23.00 mi
Rank: #17515 (-141)
35K23M
11:34 | 9:15/mi
24M
3:21:08
24.00 mi
Rank: #17633 (-118)
23M24M
9:09 | 9:09/mi
40K
3:29:10
24.85 mi
Rank: #17741 (-108)
24M40K
8:02 | 9:24/mi
25.2M
3:32:35
25.20 mi
Rank: #17763 (-22)
40K25.2M
3:25 | 9:55/mi
FINISH
3:41:34
26.22 mi
Rank: #17834 (-71)
25.2MFINISH
8:59 | 8:49/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:53
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:58:41
Pace9:04 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:1422:097:0822:09
7:08
-
10K
6.21 mi11:47:3746:327:3024:23
7:51
+0:43
15K
9.32 mi12:12:141:11:097:3924:37
7:56
+0:05
20K
12.43 mi12:38:251:37:207:5026:11
8:26
+0:30
HALF
13.11 mi12:43:581:42:537:515:33
8:09
-0:17
25K
15.53 mi13:05:302:04:258:0121:32
8:53
+0:44
30K
18.64 mi13:33:352:32:308:1128:05
9:03
+0:10
20M
20.00 mi13:45:312:44:268:1411:56
8:48
-0:15
21M
21.00 mi13:55:152:54:108:189:44
9:44
+0:56
35K
21.75 mi14:01:303:00:258:186:15
8:22
-1:22
23M
23.00 mi14:13:043:11:598:2111:34
9:15
+0:53
24M
24.00 mi14:22:133:21:088:239:09
9:09
-0:06
40K
24.85 mi14:30:153:29:108:258:02
9:24
+0:15
25.2M
25.20 mi14:33:403:32:358:273:25
9:55
+0:31
FINISH
26.22 mi14:42:393:41:348:288:59
8:49
-1:06

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

7:08 /mi

Average Pace

8:27 /mi

Slowest Pace

9:55 /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

1:49:08

49% of race

Time at Steady Pace

1:19:41

36% of race

Time at Slower Pace

32:45

15% of race

Average Pace: 8:27 /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 mi11:23:1422:097:0822:09
7:08
#9609
10K
6.21 mi11:47:3746:327:3024:23
7:51
#12749
15K
9.32 mi12:12:141:11:097:3924:37
7:56
#13947
20K
12.43 mi12:38:251:37:207:5026:11
8:26
#15440
HALF
13.11 mi12:43:581:42:537:515:33
8:09
#15552
25K
15.53 mi13:05:302:04:258:0121:32
8:53
#16635
30K
18.64 mi13:33:352:32:308:1128:05
9:03
#17258
20M
20.00 mi13:45:312:44:268:1411:56
8:48
#17285
21M
21.00 mi13:55:152:54:108:189:44
9:44
#17418
35K
21.75 mi14:01:303:00:258:186:15
8:22
#17374
23M
23.00 mi14:13:043:11:598:2111:34
9:15
#17515
24M
24.00 mi14:22:133:21:088:239:09
9:09
#17633
40K
24.85 mi14:30:153:29:108:258:02
9:24
#17741
25.2M
25.20 mi14:33:403:32:358:273:25
9:55
#17763
FINISH
26.22 mi14:42:393:41:348:288:59
8:49
#17834
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 mi96091697169716416(Top 57%)5570(Top 44%)5570(Top 712%)
10K6.21 mi3.10 mi12749-31403366-16693366-166916067(Top 55%)5350(Top 43%)5350(Top 684%)
15K9.32 mi3.11 mi13947-11984088-7224088-72216416(Top 57%)5570(Top 44%)5570(Top 712%)
20K12.43 mi3.11 mi15440-14935012-9245012-92418886(Top 65%)7010(Top 56%)7010(Top 896%)
HALF13.11 mi0.68 mi15552-1125092-805092-8018109(Top 62%)6537(Top 52%)6537(Top 836%)
25K15.53 mi2.42 mi16635-10835725-6335725-63320616(Top 71%)7973(Top 63%)7973(Top 1020%)
30K18.64 mi3.11 mi17258-6236112-3876112-38719768(Top 68%)7622(Top 61%)7622(Top 975%)
20M20.00 mi1.36 mi17285-276128-166128-1617899(Top 62%)6695(Top 53%)6695(Top 856%)
21M21.00 mi1.00 mi17418-1336230-1026230-10219516(Top 67%)7591(Top 60%)7591(Top 971%)
35K21.75 mi0.75 mi17374+446227+36227+316810(Top 58%)6221(Top 49%)6221(Top 796%)
23M23.00 mi1.25 mi17515-1416338-1116338-11119609(Top 68%)7789(Top 62%)7789(Top 996%)
24M24.00 mi1.00 mi17633-1186421-836421-8320088(Top 69%)8091(Top 64%)8091(Top 1035%)
40K24.85 mi0.85 mi17741-1086502-816502-8120018(Top 69%)8071(Top 64%)8071(Top 1032%)
25.2M25.20 mi0.35 mi17763-226525-236525-2319069(Top 66%)7592(Top 60%)7592(Top 971%)
FINISH26.22 mi1.02 mi17834-716587-626587-6219720(Top 68%)7938(Top 63%)7938(Top 1015%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16416

Females

5570

F60-64

5570

5K→10K

3.1 - 6.2 mi

Top 55%
×5
+79ft-138ft

Overall

16067

Females

5350

F60-64

5350

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16416

Females

5570

F60-64

5570

15K→20K

9.3 - 12.4 mi

Top 65%
×5
+106ft-86ft

Overall

18886

Females

7010

F60-64

7010

20K→HALF

12.4 - 13.1 mi

Top 62%
×2
+19ft-37ft

Overall

18109

Females

6537

F60-64

6537

HALF→25K

13.1 - 15.5 mi

Top 71%
×4
+66ft-88ft

Overall

20616

Females

7973

F60-64

7973

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19768

Females

7622

F60-64

7622

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

17899

Females

6695

F60-64

6695

20M→21M

20.0 - 21.0 mi

Top 67%
×8
+106ft-24ft

Overall

19516

Females

7591

F60-64

7591

21M→35K

21.0 - 21.8 mi

Top 58%
×7
+17ft-86ft

Overall

16810

Females

6221

F60-64

6221

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19609

Females

7789

F60-64

7789

23M→24M

23.0 - 24.0 mi

Top 69%
×6
+12ft-82ft

Overall

20088

Females

8091

F60-64

8091

24M→40K

24.0 - 24.9 mi

Top 69%
×1
+6ft-20ft

Overall

20018

Females

8071

F60-64

8071

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1
+13ft-16ft

Overall

19069

Females

7592

F60-64

7592

25.2M→FINISH

25.2 - 26.2 mi

Top 68%
×2
+22ft-21ft

Overall

19720

Females

7938

F60-64

7938

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
551
Passed By
2110
Net Change
-8225
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9609
5K10K2200-3140#9609#12749
10K15K26200-1198#12749#13947
15K20K6200-1493#13947#15440
20KHALF18130-112#15440#15552
HALF25K17200-1083#15552#16635
25K30K76200-623#16635#17258
30K20M77104-27#17258#17285
20M21M40173-133#17285#17418
21M35K7632+44#17418#17374
35K23M61200-141#17374#17515
23M24M36154-118#17515#17633
24M40K43151-108#17633#17741
40K25.2M2850-22#17741#17763
25.2MFINISH45116-71#17763#17834
TOTALS5512110-8225
📊

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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