Boston Marathon logo
BOSTON MARATHON 2025

Michael Xiong

Bib: 2560•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Division (M18-39)
#0 / 5642
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:08
Rank: #687
Start → 5K
18:08 | 5:50/mi
10K· 6.21 mi
36:02
Rank: #604 (+83)
5K → 10K
17:54 | 5:46/mi
15K· 9.32 mi
54:16
Rank: #610 (-6)
10K → 15K
18:14 | 5:52/mi
20K· 12.43 mi
1:12:54
Rank: #657 (-47)
15K → 20K
18:38 | 6:00/mi
Half· 13.11 mi
1:16:54
Rank: #651 (+6)
20K → Half
4:00 | 5:52/mi
25K· 15.53 mi
1:31:28
Rank: #669 (-18)
Half → 25K
14:34 | 6:00/mi
30K· 18.64 mi
1:50:45
Rank: #692 (-23)
25K → 30K
19:17 | 6:12/mi
20M
1:59:16
Rank: #688 (+4)
30K → 20M
8:31 | 6:16/mi
21M
2:05:50
Rank: #685 (+3)
20M → 21M
6:34 | 6:34/mi
35K· 21.75 mi
2:10:25
Rank: #677 (+8)
21M → 35K
4:35 | 6:08/mi
23M
2:18:48
Rank: #719 (-42)
35K → 23M
8:23 | 6:42/mi
24M
2:25:14
Rank: #735 (-16)
23M → 24M
6:26 | 6:26/mi
40K· 24.85 mi
2:31:10
Rank: #787 (-52)
24M → 40K
5:56 | 6:56/mi
25.2M
2:33:42
Rank: #796 (-9)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:40:17
Rank: #832 (-36)
25.2M → Finish
6:35 | 6:28/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
Time1:16:54
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:23:23
Pace6:22 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1918:085:5018:08
5:50
-
10K
6.21 mi10:37:1336:025:4817:54
5:46
-0:04
15K
9.32 mi10:55:2754:165:4918:14
5:52
+0:06
20K
12.43 mi11:14:051:12:545:5218:38
6:00
+0:08
Half
13.11 mi11:18:051:16:545:524:00
5:52
-0:08
25K
15.53 mi11:32:391:31:285:5314:34
6:00
+0:08
30K
18.64 mi11:51:561:50:455:5619:17
6:12
+0:12
20M
20.00 mi12:00:271:59:165:588:31
6:16
+0:04
21M
21.00 mi12:07:012:05:506:006:34
6:34
+0:18
35K
21.75 mi12:11:362:10:256:004:35
6:08
-0:26
23M
23.00 mi12:19:592:18:486:028:23
6:42
+0:34
24M
24.00 mi12:26:252:25:146:036:26
6:26
-0:16
40K
24.85 mi12:32:212:31:106:055:56
6:56
+0:30
25.2M
25.20 mi12:34:532:33:426:062:32
7:21
+0:25
Finish
26.22 mi12:41:282:40:176:076:35
6:28
-0:53

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

5:46 /mi

Average Pace

6:07 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:16

36% of race

Time at Steady Pace

1:05:35

41% of race

Time at Slower Pace

36:26

23% of race

Average Pace: 6:07 /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 mi10:19:1918:085:5018:08
5:50
#687
10K
6.21 mi10:37:1336:025:4817:54
5:46
#604
15K
9.32 mi10:55:2754:165:4918:14
5:52
#610
20K
12.43 mi11:14:051:12:545:5218:38
6:00
#657
Half
13.11 mi11:18:051:16:545:524:00
5:52
#651
25K
15.53 mi11:32:391:31:285:5314:34
6:00
#669
30K
18.64 mi11:51:561:50:455:5619:17
6:12
#692
20M
20.00 mi12:00:271:59:165:588:31
6:16
#688
21M
21.00 mi12:07:012:05:506:006:34
6:34
#685
35K
21.75 mi12:11:362:10:256:004:35
6:08
#677
23M
23.00 mi12:19:592:18:486:028:23
6:42
#719
24M
24.00 mi12:26:252:25:146:036:26
6:26
#735
40K
24.85 mi12:32:212:31:106:055:56
6:56
#787
25.2M
25.20 mi12:34:532:33:426:062:32
7:21
#796
Finish
26.22 mi12:41:282:40:176:076:35
6:28
#832
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi687640640686(Top 2%)640(Top 4%)640(Top 11%)
10K6.21 mi3.10 mi604+83558+82558+82543(Top 2%)505(Top 3%)505(Top 9%)
15K9.32 mi3.11 mi610-6566-8566-8686(Top 2%)640(Top 4%)640(Top 11%)
20K12.43 mi3.11 mi657-47610-44610-44859(Top 3%)808(Top 5%)808(Top 14%)
Half13.11 mi0.68 mi651+6604+6604+6740(Top 3%)694(Top 4%)694(Top 12%)
25K15.53 mi2.42 mi669-18622-18622-18830(Top 3%)779(Top 5%)779(Top 14%)
30K18.64 mi3.11 mi692-23645-23645-23932(Top 3%)874(Top 5%)874(Top 15%)
20M20.00 mi1.36 mi688+4641+4641+4876(Top 3%)827(Top 5%)827(Top 15%)
21M21.00 mi1.00 mi685+3638+3638+3819(Top 3%)774(Top 5%)774(Top 14%)
35K21.75 mi0.75 mi677+8630+8630+81000(Top 4%)941(Top 6%)941(Top 17%)
23M23.00 mi1.25 mi719-42670-40670-402208(Top 8%)2059(Top 13%)2059(Top 36%)
24M24.00 mi1.00 mi735-16686-16686-161763(Top 6%)1639(Top 10%)1639(Top 29%)
40K24.85 mi0.85 mi787-52735-49735-493516(Top 12%)3112(Top 19%)3112(Top 55%)
25.2M25.20 mi0.35 mi796-9744-9744-92636(Top 9%)2338(Top 15%)2338(Top 41%)
Finish26.22 mi1.02 mi832-36778-34778-342576(Top 9%)2326(Top 14%)2326(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

686

Males

640

M18-39

640

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

543

Males

505

M18-39

505

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

686

Males

640

M18-39

640

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

859

Males

808

M18-39

808

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

740

Males

694

M18-39

694

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

830

Males

779

M18-39

779

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

932

Males

874

M18-39

874

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

876

Males

827

M18-39

827

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

819

Males

774

M18-39

774

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1000

Males

941

M18-39

941

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2208

Males

2059

M18-39

2059

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1763

Males

1639

M18-39

1639

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3516

Males

3112

M18-39

3112

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2636

Males

2338

M18-39

2338

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2576

Males

2326

M18-39

2326

Passing Analysis

Category:
Athletes Passed
253
Passed By
398
Net Change
-145
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#687
5K → 10K896+83#687#604
10K → 15K1521-6#604#610
15K → 20K1360-47#610#657
20K → Half93+6#657#651
Half → 25K1836-18#651#669
25K → 30K2952-23#669#692
30K → 20M2016+4#692#688
20M → 21M1411+3#688#685
21M → 35K2012+8#685#677
35K → 23M648-42#677#719
23M → 24M925-16#719#735
24M → 40K254-52#735#787
40K → 25.2M211-9#787#796
25.2M → Finish743-36#796#832
TOTALS253398-145
📊

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