Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Chunfang Zhang

Bib: 22345 β€’F β€’Age: N/A

ON

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F50-54)
#0 / 1233
Race Day Weather
51Β°/41Β°F
overcast clouds

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
26:43
3.11 mi
Rank: #20625
Start β†’ 5K
26:43 | 8:36/mi
10K
53:26
6.21 mi
Rank: #20752 (-127)
5K β†’ 10K
26:43 | 8:36/mi
15K
1:20:23
9.32 mi
Rank: #20879 (-127)
10K β†’ 15K
26:57 | 8:41/mi
20K
1:47:49
12.43 mi
Rank: #20917 (-38)
15K β†’ 20K
27:26 | 8:50/mi
HALF
1:53:46
13.11 mi
Rank: #20949 (-32)
20K β†’ HALF
5:57 | 8:44/mi
25K
2:15:08
15.53 mi
Rank: #20822 (+127)
HALF β†’ 25K
21:22 | 8:49/mi
30K
2:43:06
18.64 mi
Rank: #20597 (+225)
25K β†’ 30K
27:58 | 9:01/mi
20M
2:55:21
20.00 mi
Rank: #20464 (+133)
30K β†’ 20M
12:15 | 9:02/mi
21M
3:04:54
21.00 mi
Rank: #20371 (+93)
20M β†’ 21M
9:33 | 9:33/mi
35K
3:11:27
21.75 mi
Rank: #20321 (+50)
21M β†’ 35K
6:33 | 8:46/mi
23M
3:22:27
23.00 mi
Rank: #20160 (+161)
35K β†’ 23M
11:00 | 8:48/mi
24M
3:31:05
24.00 mi
Rank: #20053 (+107)
23M β†’ 24M
8:38 | 8:38/mi
40K
3:38:34
24.85 mi
Rank: #19945 (+108)
24M β†’ 40K
7:29 | 8:46/mi
25.2M
3:41:50
25.20 mi
Rank: #19893 (+52)
40K β†’ 25.2M
3:16 | 9:29/mi
FINISH
3:50:44
26.22 mi
Rank: #19878 (+15)
25.2M β†’ FINISH
8:54 | 8:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:46
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time1:56:58
Pace8:56 /mi
πŸ“ŠPositive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:3826:438:3626:43
8:36
-
10K
6.21 mi11:55:2153:268:3626:43
8:36
0:00
15K
9.32 mi12:22:181:20:238:3826:57
8:41
+0:05
20K
12.43 mi12:49:441:47:498:4127:26
8:50
+0:09
HALF
13.11 mi12:55:411:53:468:415:57
8:44
-0:06
25K
15.53 mi13:17:032:15:088:4221:22
8:49
+0:05
30K
18.64 mi13:45:012:43:068:4527:58
9:01
+0:12
20M
20.00 mi13:57:162:55:218:4712:15
9:02
+0:01
21M
21.00 mi14:06:493:04:548:499:33
9:33
+0:31
35K
21.75 mi14:13:223:11:278:496:33
8:46
-0:47
23M
23.00 mi14:24:223:22:278:4911:00
8:48
+0:02
24M
24.00 mi14:33:003:31:058:488:38
8:38
-0:10
40K
24.85 mi14:40:293:38:348:487:29
8:46
+0:08
25.2M
25.20 mi14:43:453:41:508:493:16
9:29
+0:43
FINISH
26.22 mi14:52:393:50:448:498:54
8:45
-0:44

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

8:36 /mi

Average Pace

8:48 /mi

Slowest Pace

9:33 /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

3:37:55

94% of race

Time at Steady Pace

12:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:48 /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 mi11:28:3826:438:3626:43
8:36
#20625
10K
6.21 mi11:55:2153:268:3626:43
8:36
#20752
15K
9.32 mi12:22:181:20:238:3826:57
8:41
#20879
20K
12.43 mi12:49:441:47:498:4127:26
8:50
#20917
HALF
13.11 mi12:55:411:53:468:415:57
8:44
#20949
25K
15.53 mi13:17:032:15:088:4221:22
8:49
#20822
30K
18.64 mi13:45:012:43:068:4527:58
9:01
#20597
20M
20.00 mi13:57:162:55:218:4712:15
9:02
#20464
21M
21.00 mi14:06:493:04:548:499:33
9:33
#20371
35K
21.75 mi14:13:223:11:278:496:33
8:46
#20321
23M
23.00 mi14:24:223:22:278:4911:00
8:48
#20160
24M
24.00 mi14:33:003:31:058:488:38
8:38
#20053
40K
24.85 mi14:40:293:38:348:487:29
8:46
#19945
25.2M
25.20 mi14:43:453:41:508:493:16
9:29
#19893
FINISH
26.22 mi14:52:393:50:448:498:54
8:45
#19878
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 mi206257972797221078(Top 73%)8171(Top 65%)8171(Top 663%)
10K6.21 mi3.10 mi20752-1278018-468018-4620890(Top 72%)8074(Top 64%)8074(Top 655%)
15K9.32 mi3.11 mi20879-1278069-518069-5121078(Top 73%)8171(Top 65%)8171(Top 663%)
20K12.43 mi3.11 mi20917-388105-368105-3621125(Top 73%)8203(Top 65%)8203(Top 665%)
HALF13.11 mi0.68 mi20949-328127-228127-2221469(Top 74%)8353(Top 66%)8353(Top 677%)
25K15.53 mi2.42 mi20822+1278072+558072+5520289(Top 70%)7804(Top 62%)7804(Top 633%)
30K18.64 mi3.11 mi20597+2257977+957977+9519598(Top 68%)7535(Top 60%)7535(Top 611%)
20M20.00 mi1.36 mi20464+1337909+687909+6819037(Top 66%)7303(Top 58%)7303(Top 592%)
21M21.00 mi1.00 mi20371+937877+327877+3218746(Top 65%)7193(Top 57%)7193(Top 583%)
35K21.75 mi0.75 mi20321+507856+217856+2118925(Top 65%)7392(Top 59%)7392(Top 600%)
23M23.00 mi1.25 mi20160+1617789+677789+6717419(Top 60%)6654(Top 53%)6654(Top 540%)
24M24.00 mi1.00 mi20053+1077755+347755+3417704(Top 61%)6854(Top 54%)6854(Top 556%)
40K24.85 mi0.85 mi19945+1087720+357720+3517185(Top 59%)6627(Top 53%)6627(Top 537%)
25.2M25.20 mi0.35 mi19893+527694+267694+2617274(Top 60%)6673(Top 53%)6673(Top 541%)
FINISH26.22 mi1.02 mi19878+157700-67700-619355(Top 67%)7738(Top 62%)7738(Top 628%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
Γ—21
+97ft-345ft

Overall

21078

Females

8171

F50-54

8171

5K→10K

3.1 - 6.2 mi

Top 72%
Γ—5
+79ft-138ft

Overall

20890

Females

8074

F50-54

8074

10K→15K

6.2 - 9.3 mi

Top 73%
Γ—3
+67ft-78ft

Overall

21078

Females

8171

F50-54

8171

15K→20K

9.3 - 12.4 mi

Top 73%
Γ—5
+106ft-86ft

Overall

21125

Females

8203

F50-54

8203

20K→HALF

12.4 - 13.1 mi

Top 74%
Γ—2
+19ft-37ft

Overall

21469

Females

8353

F50-54

8353

HALF→25K

13.1 - 15.5 mi

Top 70%
Γ—4
+66ft-88ft

Overall

20289

Females

7804

F50-54

7804

25K→30K

15.5 - 18.6 mi

Top 68%
Γ—9
+181ft-148ft

Overall

19598

Females

7535

F50-54

7535

30K→20M

18.6 - 20.0 mi

Top 66%
Γ—5
+64ft-50ft

Overall

19037

Females

7303

F50-54

7303

20M→21M

20.0 - 21.0 mi

Top 65%
Γ—8
+106ft-24ft

Overall

18746

Females

7193

F50-54

7193

21M→35K

21.0 - 21.8 mi

Top 65%
Γ—7
+17ft-86ft

Overall

18925

Females

7392

F50-54

7392

35K→23M

21.8 - 23.0 mi

Top 60%
Γ—5
+23ft-63ft

Overall

17419

Females

6654

F50-54

6654

23M→24M

23.0 - 24.0 mi

Top 61%
Γ—6
+12ft-82ft

Overall

17704

Females

6854

F50-54

6854

24M→40K

24.0 - 24.9 mi

Top 59%
Γ—1
+6ft-20ft

Overall

17185

Females

6627

F50-54

6627

40K→25.2M

24.9 - 25.2 mi

Top 60%
Γ—1
+13ft-16ft

Overall

17274

Females

6673

F50-54

6673

25.2M→FINISH

25.2 - 26.2 mi

Top 67%
Γ—2
+22ft-21ft

Overall

19355

Females

7738

F50-54

7738

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1855*
Passed By
907
Net Change
+747
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#20625
5K β†’ 10K200200-127#20625#20752
10K β†’ 15K147200-127#20752#20879
15K β†’ 20K158196-38#20879#20917
20K β†’ HALF1648-32#20917#20949
HALF β†’ 25K17649+127#20949#20822
25K β†’ 30K285*60+225#20822#20597
30K β†’ 20M16128+133#20597#20464
20M β†’ 21M13138+93#20464#20371
21M β†’ 35K6717+50#20371#20321
35K β†’ 23M1698+161#20321#20160
23M β†’ 24M11710+107#20160#20053
24M β†’ 40K1179+108#20053#19945
40K β†’ 25.2M564+52#19945#19893
25.2M β†’ FINISH5540+15#19893#19878
TOTALS1855*907+747

* 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

Loading...

🎨Heatmap Timeline

Loading...

πŸ”„Passing Circle

Loading...

🌊Position Flow

Loading...

πŸƒRace Lanes

Loading...
Unlock Your Full

AI Performance Report

New

Understand What Really Happened During Your Race

Go deeper with personalized analysis powered by your official race data.

Your AI Performance Report includes:
  • Fatigue & pacing analysis
  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
Shareable via link β€” view it anywhere, share with anyone
AI Report Preview
Generating your preview…
$4.99
One-time purchase for this race
Includes a shareable link

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback