Boston Marathon logo
BOSTON MARATHON 2025

Yanting Ma

Bib: 18223•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 32%
Gender (Female)
#0 / 12228
Top 15%
Division (F18-39)
#0 / 5469
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:03
Rank: #8636
Start → 5K
7:06/mi
22:03 split
10K· 6.21 mi
44:08
Rank: #8662 (-26)
5K → 10K
7:06/mi
22:05 split
15K· 9.32 mi
1:06:29
Rank: #8782 (-120)
10K → 15K
7:12/mi
22:21 split
20K· 12.43 mi
1:28:56
Rank: #8603 (+179)
15K → 20K
7:14/mi
22:27 split
Half· 13.11 mi
1:33:49
Rank: #8602 (+1)
20K → Half
7:09/mi
4:53 split
25K· 15.53 mi
1:51:47
Rank: #8647 (-45)
Half → 25K
7:25/mi
17:58 split
30K· 18.64 mi
2:16:19
Rank: #8957 (-310)
25K → 30K
7:54/mi
24:32 split
20M
2:27:03
Rank: #8981 (-24)
30K → 20M
7:54/mi
10:44 split
21M
2:35:32
Rank: #9041 (-60)
20M → 21M
8:29/mi
8:29 split
35K· 21.75 mi
2:41:13
Rank: #9031 (+10)
21M → 35K
7:36/mi
5:41 split
23M
2:51:10
Rank: #9007 (+24)
35K → 23M
7:57/mi
9:57 split
24M
2:59:01
Rank: #9020 (-13)
23M → 24M
7:51/mi
7:51 split
40K· 24.85 mi
3:05:45
Rank: #9009 (+11)
24M → 40K
7:53/mi
6:44 split
25.2M
3:08:49
Rank: #9042 (-33)
40K → 25.2M
8:54/mi
3:04 split
Finish· 26.22 mi
3:16:52
Rank: #9167 (-125)
25.2M → Finish
7:54/mi
8:03 split

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
Time1:33:49
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:43:03
Pace7:52 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2122:037:0622:03
7:06
-
10K
6.21 mi11:35:2644:087:0622:05
7:06
0:00
15K
9.32 mi11:57:471:06:297:0822:21
7:12
+0:06
20K
12.43 mi12:20:141:28:567:0922:27
7:14
+0:02
Half
13.11 mi12:25:071:33:497:094:53
7:09
-0:05
25K
15.53 mi12:43:051:51:477:1217:58
7:25
+0:16
30K
18.64 mi13:07:372:16:197:1924:32
7:54
+0:29
20M
20.00 mi13:18:212:27:037:2110:44
7:54
0:00
21M
21.00 mi13:26:502:35:327:248:29
8:29
+0:35
35K
21.75 mi13:32:312:41:137:255:41
7:36
-0:53
23M
23.00 mi13:42:282:51:107:279:57
7:57
+0:21
24M
24.00 mi13:50:192:59:017:287:51
7:51
-0:06
40K
24.85 mi13:57:033:05:457:286:44
7:53
+0:02
25.2M
25.20 mi14:00:073:08:497:303:04
8:54
+1:01
Finish
26.22 mi14:08:103:16:527:318:03
7:54
-1:00

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

7:06 /mi

Average Pace

7:31 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:47

57% of race

Time at Steady Pace

1:13:32

37% of race

Time at Slower Pace

11:33

6% of race

Average Pace: 7:30 /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 mi11:13:2122:037:0622:03
7:06
#8636
10K
6.21 mi11:35:2644:087:0622:05
7:06
#8662
15K
9.32 mi11:57:471:06:297:0822:21
7:12
#8782
20K
12.43 mi12:20:141:28:567:0922:27
7:14
#8603
Half
13.11 mi12:25:071:33:497:094:53
7:09
#8602
25K
15.53 mi12:43:051:51:477:1217:58
7:25
#8647
30K
18.64 mi13:07:372:16:197:1924:32
7:54
#8957
20M
20.00 mi13:18:212:27:037:2110:44
7:54
#8981
21M
21.00 mi13:26:502:35:327:248:29
8:29
#9041
35K
21.75 mi13:32:312:41:137:255:41
7:36
#9031
23M
23.00 mi13:42:282:51:107:279:57
7:57
#9007
24M
24.00 mi13:50:192:59:017:287:51
7:51
#9020
40K
24.85 mi13:57:033:05:457:286:44
7:53
#9009
25.2M
25.20 mi14:00:073:08:497:303:04
8:54
#9042
Finish
26.22 mi14:08:103:16:527:318:03
7:54
#9167
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8636121812189084(Top 32%)1465(Top 12%)1465(Top 27%)
10K6.21 mi3.10 mi8662-261245-271245-278756(Top 31%)1287(Top 11%)1287(Top 24%)
15K9.32 mi3.11 mi8782-1201306-611306-619084(Top 32%)1465(Top 12%)1465(Top 27%)
20K12.43 mi3.11 mi8603+1791255+511255+518439(Top 30%)1292(Top 11%)1292(Top 24%)
Half13.11 mi0.68 mi8602+11268-131268-138817(Top 31%)1429(Top 12%)1429(Top 26%)
25K15.53 mi2.42 mi8647-451297-291297-299257(Top 33%)1753(Top 14%)1753(Top 32%)
30K18.64 mi3.11 mi8957-3101494-1971494-19710604(Top 37%)2593(Top 21%)2593(Top 47%)
20M20.00 mi1.36 mi8981-241532-381532-389737(Top 34%)2313(Top 19%)2313(Top 42%)
21M21.00 mi1.00 mi9041-601589-571589-5710349(Top 36%)2779(Top 23%)2779(Top 51%)
35K21.75 mi0.75 mi9031+101606-171606-179342(Top 33%)2283(Top 19%)2283(Top 42%)
23M23.00 mi1.25 mi9007+241644-381644-389641(Top 34%)2560(Top 21%)2560(Top 47%)
24M24.00 mi1.00 mi9020-131680-361680-3610203(Top 36%)2898(Top 24%)2898(Top 53%)
40K24.85 mi0.85 mi9009+111714-341714-349315(Top 33%)2589(Top 21%)2589(Top 47%)
25.2M25.20 mi0.35 mi9042-331743-291743-2911204(Top 39%)3578(Top 29%)3578(Top 65%)
Finish26.22 mi1.02 mi9167-1251843-1001843-10012171(Top 43%)4008(Top 33%)4008(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9084

Females

1465

F18-39

1465

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8756

Females

1287

F18-39

1287

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9084

Females

1465

F18-39

1465

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8439

Females

1292

F18-39

1292

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8817

Females

1429

F18-39

1429

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9257

Females

1753

F18-39

1753

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

10604

Females

2593

F18-39

2593

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9737

Females

2313

F18-39

2313

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10349

Females

2779

F18-39

2779

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9342

Females

2283

F18-39

2283

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9641

Females

2560

F18-39

2560

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10203

Females

2898

F18-39

2898

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9315

Females

2589

F18-39

2589

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11204

Females

3578

F18-39

3578

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12171

Females

4008

F18-39

4008

Passing Analysis

Category:
Athletes Passed
1468
Passed By
1999
Net Change
-531
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8636
5K → 10K195221-26#8636#8662
10K → 15K117237-120#8662#8782
15K → 20K26788+179#8782#8603
20K → Half3736+1#8603#8602
Half → 25K124169-45#8602#8647
25K → 30K128438-310#8647#8957
30K → 20M94118-24#8957#8981
20M → 21M82142-60#8981#9041
21M → 35K6656+10#9041#9031
35K → 23M12399+24#9031#9007
23M → 24M6780-13#9007#9020
24M → 40K9079+11#9020#9009
40K → 25.2M3063-33#9009#9042
25.2M → Finish48173-125#9042#9167
TOTALS14681999-531
📊

Passing Visuals

Category:
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