Boston Marathon logo
BOSTON MARATHON 2025

Wu Xiong

Bib: 10121•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 46%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 49%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:04/mi
21:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:04/mi
43:53
↑ 79↓ 1380.4%
15K· 9.32 mi
7:05/mi
1:05:52
↑ 67↓ 78
20K· 12.43 mi
7:04/mi
1:27:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:32:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:16/mi
1:50:15
↑ 66↓ 880.2%
30K· 18.64 mi
7:32/mi
2:13:39
↑ 181↓ 1480.2%
20M
8:17/mi
2:24:54
↑ 64↓ 500.2%
21M
9:05/mi
2:33:59
↑ 106↓ 241.6%
35K· 21.75 mi
9:32/mi
2:41:07
↑ 17↓ 861.7%
23M
11:14/mi
2:55:11
↑ 23↓ 630.6%
24M
10:55/mi
3:06:06
↓ 821.3%
40K· 24.85 mi
10:21/mi
3:14:57
↓ 200.3%
25.2M
11:19/mi
3:18:51
↑ 13↓ 160.2%
Finish· 26.22 mi
10:21/mi
3:29:24
↑ 22↓ 21

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
Time1:32:37
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:56:47
Pace8:55 /mi
📊Positive Split: 26.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0021:577:0421:57
7:04
-
10K
6.21 mi11:09:5643:537:0421:56
7:04
0:00
15K
9.32 mi11:31:551:05:527:0421:59
7:05
+0:01
20K
12.43 mi11:53:531:27:507:0421:58
7:04
-0:01
Half
13.11 mi11:58:401:32:377:044:47
7:01
-0:03
25K
15.53 mi12:16:181:50:157:0617:38
7:16
+0:15
30K
18.64 mi12:39:422:13:397:1023:24
7:32
+0:16
20M
20.00 mi12:50:572:24:547:1511:15
8:17
+0:45
21M
21.00 mi13:00:022:33:597:209:05
9:05
+0:48
35K
21.75 mi13:07:102:41:077:257:08
9:32
+0:27
23M
23.00 mi13:21:142:55:117:3714:04
11:14
+1:42
24M
24.00 mi13:32:093:06:067:4510:55
10:55
-0:19
40K
24.85 mi13:41:003:14:577:518:51
10:21
-0:34
25.2M
25.20 mi13:44:543:18:517:533:54
11:19
+0:58
Finish
26.22 mi13:55:273:29:248:0010:33
10:21
-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

7:01 /mi

Average Pace

8:00 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:15

53% of race

Time at Steady Pace

43:44

21% of race

Time at Slower Pace

55:25

26% of race

Average Pace: 7:59 /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 mi10:48:0021:577:0421:57
7:04
#8350
10K
6.21 mi11:09:5643:537:0421:56
7:04
#8367
15K
9.32 mi11:31:551:05:527:0421:59
7:05
#8253
20K
12.43 mi11:53:531:27:507:0421:58
7:04
#7946
Half
13.11 mi11:58:401:32:377:044:47
7:01
#7916
25K
15.53 mi12:16:181:50:157:0617:38
7:16
#7907
30K
18.64 mi12:39:422:13:397:1023:24
7:32
#7826
20M
20.00 mi12:50:572:24:547:1511:15
8:17
#8089
21M
21.00 mi13:00:022:33:597:209:05
9:05
#8398
35K
21.75 mi13:07:102:41:077:257:08
9:32
#8987
23M
23.00 mi13:21:142:55:117:3714:04
11:14
#10485
24M
24.00 mi13:32:093:06:067:4510:55
10:55
#11445
40K
24.85 mi13:41:003:14:577:518:51
10:21
#12052
25.2M
25.20 mi13:44:543:18:517:533:54
11:19
#12285
Finish
26.22 mi13:55:273:29:248:0010:33
10:21
#13044
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8350722172218170(Top 29%)7051(Top 44%)7051(Top 296%)
10K6.21 mi3.10 mi8367-177215+67215+68359(Top 29%)7211(Top 45%)7211(Top 302%)
15K9.32 mi3.11 mi8253+1147134+817134+818170(Top 29%)7051(Top 44%)7051(Top 296%)
20K12.43 mi3.11 mi7946+3076920+2146920+2147341(Top 26%)6457(Top 40%)6457(Top 271%)
Half13.11 mi0.68 mi7916+306898+226898+227696(Top 27%)6717(Top 42%)6717(Top 282%)
25K15.53 mi2.42 mi7907+96876+226876+228156(Top 29%)6861(Top 43%)6861(Top 288%)
30K18.64 mi3.11 mi7826+816771+1056771+1057975(Top 28%)6575(Top 41%)6575(Top 276%)
20M20.00 mi1.36 mi8089-2636891-1206891-12012335(Top 43%)8690(Top 54%)8690(Top 364%)
21M21.00 mi1.00 mi8398-3097049-1587049-15813970(Top 49%)9311(Top 58%)9311(Top 390%)
35K21.75 mi0.75 mi8987-5897374-3257374-32520419(Top 72%)12160(Top 76%)12160(Top 510%)
23M23.00 mi1.25 mi10485-14988115-7418115-74123738(Top 84%)13697(Top 85%)13697(Top 574%)
24M24.00 mi1.00 mi11445-9608534-4198534-41923796(Top 84%)13710(Top 85%)13710(Top 575%)
40K24.85 mi0.85 mi12052-6078786-2528786-25221512(Top 76%)12516(Top 78%)12516(Top 525%)
25.2M25.20 mi0.35 mi12285-2338894-1088894-10821493(Top 76%)12516(Top 78%)12516(Top 525%)
Finish26.22 mi1.02 mi13044-7599228-3349228-33423904(Top 84%)13713(Top 85%)13713(Top 575%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21story building
+97ft-345ft

Overall

8170

Males

7051

M45-49

7051

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

8359

Males

7211

M45-49

7211

10K→15K

6.2 - 9.3 mi

Top 29%
×3story building
+67ft-78ft

Overall

8170

Males

7051

M45-49

7051

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7341

Males

6457

M45-49

6457

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7696

Males

6717

M45-49

6717

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8156

Males

6861

M45-49

6861

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7975

Males

6575

M45-49

6575

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12335

Males

8690

M45-49

8690

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13970

Males

9311

M45-49

9311

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20419

Males

12160

M45-49

12160

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23738

Males

13697

M45-49

13697

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

23796

Males

13710

M45-49

13710

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21512

Males

12516

M45-49

12516

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21493

Males

12516

M45-49

12516

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

23904

Males

13713

M45-49

13713

Passing Analysis

Category:
Athletes Passed
1243
Passed By
5935
Net Change
-4694
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8350
5K → 10K207224-17#8350#8367
10K → 15K20995+114#8367#8253
15K → 20K32720+307#8253#7946
20K → Half399+30#7946#7916
Half → 25K125116+9#7916#7907
25K → 30K229148+81#7907#7826
30K → 20M40303-263#7826#8089
20M → 21M30339-309#8089#8398
21M → 35K5594-589#8398#8987
35K → 23M41500-1498#8987#10485
23M → 24M9969-960#10485#11445
24M → 40K10617-607#11445#12052
40K → 25.2M5238-233#12052#12285
25.2M → Finish4763-759#12285#13044
TOTALS12435935-4694
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing