Boston Marathon logo
BOSTON MARATHON 2025

Qiong Xu

Bib: 10480•F

WA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 29%
Gender (Female)
#0 / 12228
Top 12%
Masters (Masters Women)
#0 / 6759
Top 4%
Division (F55-59)
#0 / 994
Top 0.7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:59
Rank: #8405
Start → 5K
21:59 | 7:05/mi
10K· 6.21 mi
43:53
Rank: #8356 (+49)
5K → 10K
21:54 | 7:03/mi
15K· 9.32 mi
1:05:51
Rank: #8233 (+123)
10K → 15K
21:58 | 7:04/mi
20K· 12.43 mi
1:28:27
Rank: #8286 (-53)
15K → 20K
22:36 | 7:16/mi
Half· 13.11 mi
1:33:24
Rank: #8338 (-52)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:51:23
Rank: #8420 (-82)
Half → 25K
17:59 | 7:25/mi
30K· 18.64 mi
2:15:39
Rank: #8644 (-224)
25K → 30K
24:16 | 7:49/mi
20M
2:26:33
Rank: #8753 (-109)
30K → 20M
10:54 | 8:01/mi
21M
2:34:55
Rank: #8775 (-22)
20M → 21M
8:22 | 8:22/mi
35K· 21.75 mi
2:40:41
Rank: #8806 (-31)
21M → 35K
5:46 | 7:42/mi
23M
2:50:15
Rank: #8664 (+142)
35K → 23M
9:34 | 7:38/mi
24M
2:57:45
Rank: #8575 (+89)
23M → 24M
7:30 | 7:30/mi
40K· 24.85 mi
3:04:12
Rank: #8459 (+116)
24M → 40K
6:27 | 7:33/mi
25.2M
3:07:02
Rank: #8408 (+51)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:14:25
Rank: #8365 (+43)
25.2M → Finish
7:23 | 7:15/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
Time1:33:24
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:41:01
Pace7:42 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3621:597:0521:59
7:05
-
10K
6.21 mi11:09:3043:537:0421:54
7:03
-0:02
15K
9.32 mi11:31:281:05:517:0421:58
7:04
+0:01
20K
12.43 mi11:54:041:28:277:0722:36
7:16
+0:12
Half
13.11 mi11:59:011:33:247:074:57
7:15
-0:01
25K
15.53 mi12:17:001:51:237:1017:59
7:25
+0:10
30K
18.64 mi12:41:162:15:397:1724:16
7:49
+0:24
20M
20.00 mi12:52:102:26:337:2010:54
8:01
+0:12
21M
21.00 mi13:00:322:34:557:238:22
8:22
+0:21
35K
21.75 mi13:06:182:40:417:235:46
7:42
-0:40
23M
23.00 mi13:15:522:50:157:249:34
7:38
-0:04
24M
24.00 mi13:23:222:57:457:247:30
7:30
-0:08
40K
24.85 mi13:29:493:04:127:256:27
7:33
+0:03
25.2M
25.20 mi13:32:393:07:027:252:50
8:13
+0:40
Finish
26.22 mi13:40:023:14:257:257:23
7:15
-0:58

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

7:03 /mi

Average Pace

7:25 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:03

76% of race

Time at Steady Pace

38:00

20% of race

Time at Slower Pace

8:22

4% of race

Average Pace: 7:25 /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 mi10:47:3621:597:0521:59
7:05
#8405
10K
6.21 mi11:09:3043:537:0421:54
7:03
#8356
15K
9.32 mi11:31:281:05:517:0421:58
7:04
#8233
20K
12.43 mi11:54:041:28:277:0722:36
7:16
#8286
Half
13.11 mi11:59:011:33:247:074:57
7:15
#8338
25K
15.53 mi12:17:001:51:237:1017:59
7:25
#8420
30K
18.64 mi12:41:162:15:397:1724:16
7:49
#8644
20M
20.00 mi12:52:102:26:337:2010:54
8:01
#8753
21M
21.00 mi13:00:322:34:557:238:22
8:22
#8775
35K
21.75 mi13:06:182:40:417:235:46
7:42
#8806
23M
23.00 mi13:15:522:50:157:249:34
7:38
#8664
24M
24.00 mi13:23:222:57:457:247:30
7:30
#8575
40K
24.85 mi13:29:493:04:127:256:27
7:33
#8459
25.2M
25.20 mi13:32:393:07:027:252:50
8:13
#8408
Finish
26.22 mi13:40:023:14:257:257:23
7:15
#8365
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi8405113911398106(Top 29%)1080(Top 9%)1080(Top 109%)
10K6.21 mi3.10 mi8356+491131+81131+88265(Top 29%)1105(Top 9%)1105(Top 111%)
15K9.32 mi3.11 mi8233+1231091+401091+408106(Top 29%)1080(Top 9%)1080(Top 109%)
20K12.43 mi3.11 mi8286-531136-451136-458811(Top 31%)1446(Top 12%)1446(Top 145%)
Half13.11 mi0.68 mi8338-521166-301166-309497(Top 33%)1739(Top 14%)1739(Top 175%)
25K15.53 mi2.42 mi8420-821210-441210-449267(Top 33%)1763(Top 14%)1763(Top 177%)
30K18.64 mi3.11 mi8644-2241355-1451355-14510009(Top 35%)2295(Top 19%)2295(Top 231%)
20M20.00 mi1.36 mi8753-1091442-871442-8710548(Top 37%)2720(Top 22%)2720(Top 274%)
21M21.00 mi1.00 mi8775-221475-331475-339588(Top 34%)2432(Top 20%)2432(Top 245%)
35K21.75 mi0.75 mi8806-311513-381513-3810076(Top 35%)2660(Top 22%)2660(Top 268%)
23M23.00 mi1.25 mi8664+1421496+171496+177473(Top 26%)1612(Top 13%)1612(Top 162%)
24M24.00 mi1.00 mi8575+891493+31493+37625(Top 27%)1731(Top 14%)1731(Top 174%)
40K24.85 mi0.85 mi8459+1161485+81485+86992(Top 25%)1562(Top 13%)1562(Top 157%)
25.2M25.20 mi0.35 mi8408+51148514857017(Top 25%)1686(Top 14%)1686(Top 170%)
Finish26.22 mi1.02 mi8365+431495-101495-107294(Top 26%)1792(Top 15%)1792(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

8106

Females

1080

F55-59

1080

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

8265

Females

1105

F55-59

1105

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

8106

Females

1080

F55-59

1080

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8811

Females

1446

F55-59

1446

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9497

Females

1739

F55-59

1739

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9267

Females

1763

F55-59

1763

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

10009

Females

2295

F55-59

2295

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10548

Females

2720

F55-59

2720

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9588

Females

2432

F55-59

2432

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

10076

Females

2660

F55-59

2660

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7473

Females

1612

F55-59

1612

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7625

Females

1731

F55-59

1731

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6992

Females

1562

F55-59

1562

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7017

Females

1686

F55-59

1686

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7294

Females

1792

F55-59

1792

Passing Analysis

Category:
Athletes Passed
1639
Passed By
1599
Net Change
+40
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8405
5K → 10K244195+49#8405#8356
10K → 15K21188+123#8356#8233
15K → 20K137190-53#8233#8286
20K → Half1163-52#8286#8338
Half → 25K109191-82#8338#8420
25K → 30K141365-224#8420#8644
30K → 20M65174-109#8644#8753
20M → 21M88110-22#8753#8775
21M → 35K4273-31#8775#8806
35K → 23M17735+142#8806#8664
23M → 24M12637+89#8664#8575
24M → 40K13620+116#8575#8459
40K → 25.2M6211+51#8459#8408
25.2M → Finish9047+43#8408#8365
TOTALS16391599+40
📊

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