Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Yi Zhang

Bib: 33655 β€’F β€’Age: 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
Age Group (F40-44)
#0 / 1737
Race Day Weather
51Β°/41Β°F
overcast clouds
Personalized for Yi

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 Β· 8:38/mi at mile 26.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase Β· Instant access Β· Downloadable PDF Β· 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
29:08
3.11 mi
Rank: #24065
Start β†’ 5K
29:08 | 9:23/mi
10K
1:01:52
6.21 mi
Rank: #25805 (-1740)
5K β†’ 10K
32:44 | 10:33/mi
15K
1:32:15
9.32 mi
Rank: #25577 (+228)
10K β†’ 15K
30:23 | 9:47/mi
20K
2:07:19
12.43 mi
Rank: #26190 (-613)
15K β†’ 20K
35:04 | 11:18/mi
HALF
2:14:19
13.11 mi
Rank: #26178 (+12)
20K β†’ HALF
7:00 | 10:17/mi
25K
2:39:55
15.53 mi
Rank: #26073 (+105)
HALF β†’ 25K
25:36 | 10:34/mi
30K
3:13:09
18.64 mi
Rank: #25829 (+244)
25K β†’ 30K
33:14 | 10:42/mi
20M
3:27:44
20.00 mi
Rank: #25714 (+115)
30K β†’ 20M
14:35 | 10:45/mi
21M
3:38:41
21.00 mi
Rank: #25569 (+145)
20M β†’ 21M
10:57 | 10:57/mi
35K
3:46:16
21.75 mi
Rank: #25508 (+61)
21M β†’ 35K
7:35 | 10:09/mi
23M
3:59:52
23.00 mi
Rank: #25418 (+90)
35K β†’ 23M
13:36 | 10:53/mi
24M
4:09:59
24.00 mi
Rank: #25320 (+98)
23M β†’ 24M
10:07 | 10:07/mi
40K
4:18:13
24.85 mi
Rank: #25179 (+141)
24M β†’ 40K
8:14 | 9:38/mi
25.2M
4:21:35
25.20 mi
Rank: #25108 (+71)
40K β†’ 25.2M
3:22 | 9:46/mi
FINISH
4:30:23
26.22 mi
Rank: #24917 (+191)
25.2M β†’ FINISH
8:48 | 8:39/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:14:19
Pace10:15 /mi
2nd Half
Distance13.11 mi
Time2:16:04
Pace10:23 /mi
πŸ“ŠPositive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:4129:089:2329:08
9:23
-
10K
6.21 mi12:32:251:01:529:5832:44
10:33
+1:10
15K
9.32 mi13:02:481:32:159:5430:23
9:47
-0:46
20K
12.43 mi13:37:522:07:1910:1535:04
11:18
+1:31
HALF
13.11 mi13:44:522:14:1910:157:00
10:17
-1:01
25K
15.53 mi14:10:282:39:5510:1825:36
10:34
+0:17
30K
18.64 mi14:43:423:13:0910:2233:14
10:42
+0:08
20M
20.00 mi14:58:173:27:4410:2414:35
10:45
+0:03
21M
21.00 mi15:09:143:38:4110:2510:57
10:57
+0:12
35K
21.75 mi15:16:493:46:1610:257:35
10:09
-0:48
23M
23.00 mi15:30:253:59:5210:2613:36
10:53
+0:44
24M
24.00 mi15:40:324:09:5910:2510:07
10:07
-0:46
40K
24.85 mi15:48:464:18:1310:248:14
9:38
-0:29
25.2M
25.20 mi15:52:084:21:3510:233:22
9:46
+0:08
FINISH
26.22 mi16:00:564:30:2310:208:48
8:39
-1:07

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

8:39 /mi

Average Pace

10:19 /mi

Slowest Pace

11:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:19:55

30% of race

Time at Steady Pace

1:23:02

31% of race

Time at Slower Pace

1:47:26

40% of race

Average Pace: 10:19 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:59:4129:089:2329:08
9:23
#24065
10K
6.21 mi12:32:251:01:529:5832:44
10:33
#25805
15K
9.32 mi13:02:481:32:159:5430:23
9:47
#25577
20K
12.43 mi13:37:522:07:1910:1535:04
11:18
#26190
HALF
13.11 mi13:44:522:14:1910:157:00
10:17
#26178
25K
15.53 mi14:10:282:39:5510:1825:36
10:34
#26073
30K
18.64 mi14:43:423:13:0910:2233:14
10:42
#25829
20M
20.00 mi14:58:173:27:4410:2414:35
10:45
#25714
21M
21.00 mi15:09:143:38:4110:2510:57
10:57
#25569
35K
21.75 mi15:16:493:46:1610:257:35
10:09
#25508
23M
23.00 mi15:30:253:59:5210:2613:36
10:53
#25418
24M
24.00 mi15:40:324:09:5910:2510:07
10:07
#25320
40K
24.85 mi15:48:464:18:1310:248:14
9:38
#25179
25.2M
25.20 mi15:52:084:21:3510:233:22
9:46
#25108
FINISH
26.22 mi16:00:564:30:2310:208:48
8:39
#24917
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 mi240659696969625173(Top 87%)10272(Top 82%)10272(Top 591%)
10K6.21 mi3.10 mi25805-174010619-92310619-92326980(Top 93%)11278(Top 90%)11278(Top 649%)
15K9.32 mi3.11 mi25577+22810496+12310496+12325173(Top 87%)10272(Top 82%)10272(Top 591%)
20K12.43 mi3.11 mi26190-61310837-34110837-34127317(Top 94%)11495(Top 91%)11495(Top 662%)
HALF13.11 mi0.68 mi26178+1210830+710830+726227(Top 90%)10885(Top 87%)10885(Top 627%)
25K15.53 mi2.42 mi26073+10510784+4610784+4625564(Top 88%)10546(Top 84%)10546(Top 607%)
30K18.64 mi3.11 mi25829+24410660+12410660+12424709(Top 85%)10222(Top 81%)10222(Top 588%)
20M20.00 mi1.36 mi25714+11510622+3810622+3824377(Top 84%)10113(Top 80%)10113(Top 582%)
21M21.00 mi1.00 mi25569+14510564+5810564+5823013(Top 79%)9433(Top 75%)9433(Top 543%)
35K21.75 mi0.75 mi25508+6110543+2110543+2123527(Top 81%)9734(Top 77%)9734(Top 560%)
23M23.00 mi1.25 mi25418+9010506+3710506+3724216(Top 83%)10167(Top 81%)10167(Top 585%)
24M24.00 mi1.00 mi25320+9810466+4010466+4023147(Top 80%)9631(Top 77%)9631(Top 554%)
40K24.85 mi0.85 mi25179+14110415+5110415+5120860(Top 72%)8513(Top 68%)8513(Top 490%)
25.2M25.20 mi0.35 mi25108+7110378+3710378+3718566(Top 64%)7363(Top 59%)7363(Top 424%)
FINISH26.22 mi1.02 mi24917+19110283+9510283+9518881(Top 65%)7513(Top 60%)7513(Top 433%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
Γ—21
+97ft-345ft

Overall

25173

Females

10272

F40-44

10272

5K→10K

3.1 - 6.2 mi

Top 93%
Γ—5
+79ft-138ft

Overall

26980

Females

11278

F40-44

11278

10K→15K

6.2 - 9.3 mi

Top 87%
Γ—3
+67ft-78ft

Overall

25173

Females

10272

F40-44

10272

15K→20K

9.3 - 12.4 mi

Top 94%
Γ—5
+106ft-86ft

Overall

27317

Females

11495

F40-44

11495

20K→HALF

12.4 - 13.1 mi

Top 90%
Γ—2
+19ft-37ft

Overall

26227

Females

10885

F40-44

10885

HALF→25K

13.1 - 15.5 mi

Top 88%
Γ—4
+66ft-88ft

Overall

25564

Females

10546

F40-44

10546

25K→30K

15.5 - 18.6 mi

Top 85%
Γ—9
+181ft-148ft

Overall

24709

Females

10222

F40-44

10222

30K→20M

18.6 - 20.0 mi

Top 84%
Γ—5
+64ft-50ft

Overall

24377

Females

10113

F40-44

10113

20M→21M

20.0 - 21.0 mi

Top 79%
Γ—8
+106ft-24ft

Overall

23013

Females

9433

F40-44

9433

21M→35K

21.0 - 21.8 mi

Top 81%
Γ—7
+17ft-86ft

Overall

23527

Females

9734

F40-44

9734

35K→23M

21.8 - 23.0 mi

Top 83%
Γ—5
+23ft-63ft

Overall

24216

Females

10167

F40-44

10167

23M→24M

23.0 - 24.0 mi

Top 80%
Γ—6
+12ft-82ft

Overall

23147

Females

9631

F40-44

9631

24M→40K

24.0 - 24.9 mi

Top 72%
Γ—1
+6ft-20ft

Overall

20860

Females

8513

F40-44

8513

40K→25.2M

24.9 - 25.2 mi

Top 64%
Γ—1
+13ft-16ft

Overall

18566

Females

7363

F40-44

7363

25.2M→FINISH

25.2 - 26.2 mi

Top 65%
Γ—2
+22ft-21ft

Overall

18881

Females

7513

F40-44

7513

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1679*
Passed By
553
Net Change
-852
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#24065
5K β†’ 10K5200-1740#24065#25805
10K β†’ 15K258*30+228#25805#25577
15K β†’ 20K20200-613#25577#26190
20K β†’ HALF3018+12#26190#26178
HALF β†’ 25K14035+105#26178#26073
25K β†’ 30K268*24+244#26073#25829
30K β†’ 20M12712+115#25829#25714
20M β†’ 21M1494+145#25714#25569
21M β†’ 35K676+61#25569#25508
35K β†’ 23M10616+90#25508#25418
23M β†’ 24M1035+98#25418#25320
24M β†’ 40K1421+141#25320#25179
40K β†’ 25.2M710+71#25179#25108
25.2M β†’ FINISH1932+191#25108#24917
TOTALS1679*553-852

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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