Boston Marathon logo
BOSTON MARATHON 2024

Yuxi Cao

Bib: 21078•F

NJ

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 40%
Gender (Female)
#0 / 10924
Top 25%
Masters (Masters Women)
#0 / 6263
Top 13%
Division (F45-49)
#0 / 1753
Top 15%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:33
Rank: #13901
Start → 5K
24:33 | 7:54/mi
10K· 6.21 mi
49:10
Rank: #13756 (+145)
5K → 10K
24:37 | 7:55/mi
15K· 9.32 mi
1:13:49
Rank: #13456 (+300)
10K → 15K
24:39 | 7:56/mi
20K· 12.43 mi
1:39:04
Rank: #13198 (+258)
15K → 20K
25:15 | 8:08/mi
Half· 13.11 mi
1:44:20
Rank: #13031 (+167)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
2:03:51
Rank: #12481 (+550)
Half → 25K
19:31 | 8:03/mi
30K· 18.64 mi
2:29:43
Rank: #11877 (+604)
25K → 30K
25:52 | 8:20/mi
20M
2:41:02
Rank: #11558 (+319)
30K → 20M
11:19 | 8:20/mi
21M
2:50:04
Rank: #11329 (+229)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
2:56:01
Rank: #11128 (+201)
21M → 35K
5:57 | 7:57/mi
23M
3:06:25
Rank: #10836 (+292)
35K → 23M
10:24 | 8:18/mi
24M
3:14:31
Rank: #10611 (+225)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
3:21:37
Rank: #10433 (+178)
24M → 40K
7:06 | 8:18/mi
25.2M
3:24:45
Rank: #10355 (+78)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:32:34
Rank: #10179 (+176)
25.2M → Finish
7:49 | 7:40/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:20
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:48:14
Pace8:15 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2024:337:5424:33
7:54
-
10K
6.21 mi11:44:5749:107:5524:37
7:55
+0:01
15K
9.32 mi12:09:361:13:497:5524:39
7:56
+0:01
20K
12.43 mi12:34:511:39:047:5825:15
8:08
+0:12
Half
13.11 mi12:40:071:44:207:585:16
7:43
-0:25
25K
15.53 mi12:59:382:03:517:5819:31
8:03
+0:20
30K
18.64 mi13:25:302:29:438:0225:52
8:20
+0:17
20M
20.00 mi13:36:492:41:028:0311:19
8:20
0:00
21M
21.00 mi13:45:512:50:048:069:02
9:02
+0:42
35K
21.75 mi13:51:482:56:018:065:57
7:57
-1:05
23M
23.00 mi14:02:123:06:258:0610:24
8:18
+0:21
24M
24.00 mi14:10:183:14:318:068:06
8:06
-0:12
40K
24.85 mi14:17:243:21:378:077:06
8:18
+0:12
25.2M
25.20 mi14:20:323:24:458:083:08
9:05
+0:47
Finish
26.22 mi14:28:213:32:348:077:49
7:40
-1:25

Checkpoints & Pacing

📈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

8:07 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:24

94% of race

Time at Steady Pace

9:02

4% of race

Time at Slower Pace

3:08

1% of race

Average Pace: 8:06 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:20:2024:337:5424:33
7:54
#13901
10K
6.21 mi11:44:5749:107:5524:37
7:55
#13756
15K
9.32 mi12:09:361:13:497:5524:39
7:56
#13456
20K
12.43 mi12:34:511:39:047:5825:15
8:08
#13198
Half
13.11 mi12:40:071:44:207:585:16
7:43
#13031
25K
15.53 mi12:59:382:03:517:5819:31
8:03
#12481
30K
18.64 mi13:25:302:29:438:0225:52
8:20
#11877
20M
20.00 mi13:36:492:41:028:0311:19
8:20
#11558
21M
21.00 mi13:45:512:50:048:069:02
9:02
#11329
35K
21.75 mi13:51:482:56:018:065:57
7:57
#11128
23M
23.00 mi14:02:123:06:258:0610:24
8:18
#10836
24M
24.00 mi14:10:183:14:318:068:06
8:06
#10611
40K
24.85 mi14:17:243:21:378:077:06
8:18
#10433
25.2M
25.20 mi14:20:323:24:458:083:08
9:05
#10355
Finish
26.22 mi14:28:213:32:348:077:49
7:40
#10179
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi139014248424812964(Top 51%)3775(Top 35%)3775(Top 215%)
10K6.21 mi3.10 mi13756+1454180+684180+6813624(Top 53%)4116(Top 38%)4116(Top 235%)
15K9.32 mi3.11 mi13456+3004023+1574023+15712964(Top 51%)3775(Top 35%)3775(Top 215%)
20K12.43 mi3.11 mi13198+2583896+1273896+12712707(Top 50%)3679(Top 34%)3679(Top 210%)
Half13.11 mi0.68 mi13031+1673806+903806+9010800(Top 42%)2697(Top 25%)2697(Top 154%)
25K15.53 mi2.42 mi12481+5503528+2783528+27810525(Top 41%)2740(Top 25%)2740(Top 156%)
30K18.64 mi3.11 mi11877+6043281+2473281+2479702(Top 38%)2551(Top 23%)2551(Top 146%)
20M20.00 mi1.36 mi11558+3193166+1153166+1158563(Top 34%)2266(Top 21%)2266(Top 129%)
21M21.00 mi1.00 mi11329+2293107+593107+598769(Top 34%)2569(Top 24%)2569(Top 147%)
35K21.75 mi0.75 mi11128+2013038+693038+697554(Top 30%)2024(Top 19%)2024(Top 115%)
23M23.00 mi1.25 mi10836+2922946+922946+927413(Top 29%)2101(Top 19%)2101(Top 120%)
24M24.00 mi1.00 mi10611+2252879+672879+677221(Top 28%)2111(Top 19%)2111(Top 120%)
40K24.85 mi0.85 mi10433+1782839+402839+407395(Top 29%)2336(Top 21%)2336(Top 133%)
25.2M25.20 mi0.35 mi10355+782814+252814+257008(Top 27%)2188(Top 20%)2188(Top 125%)
Finish26.22 mi1.02 mi10179+1762762+522762+526593(Top 26%)1937(Top 18%)1937(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

12964

Females

3775

F45-49

3775

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

13624

Females

4116

F45-49

4116

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

12964

Females

3775

F45-49

3775

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

12707

Females

3679

F45-49

3679

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

10800

Females

2697

F45-49

2697

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10525

Females

2740

F45-49

2740

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

9702

Females

2551

F45-49

2551

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

8563

Females

2266

F45-49

2266

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

8769

Females

2569

F45-49

2569

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

7554

Females

2024

F45-49

2024

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7413

Females

2101

F45-49

2101

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7221

Females

2111

F45-49

2111

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7395

Females

2336

F45-49

2336

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7008

Females

2188

F45-49

2188

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6593

Females

1937

F45-49

1937

Passing Analysis

Category:
Athletes Passed
4322*
Passed By
600
Net Change
+3722
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13901
5K → 10K371226+145#13901#13756
10K → 15K37878+300#13756#13456
15K → 20K387129+258#13456#13198
20K → Half1703+167#13198#13031
Half → 25K56313+550#13031#12481
25K → 30K65046+604#12481#11877
30K → 20M3289+319#11877#11558
20M → 21M26435+229#11558#11329
21M → 35K2098+201#11329#11128
35K → 23M30513+292#11128#10836
23M → 24M24015+225#10836#10611
24M → 40K190*12+178#10611#10433
40K → 25.2M824+78#10433#10355
25.2M → Finish1859+176#10355#10179
TOTALS4322*600+3722

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

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

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

.gpx files up to 10MB

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing