Boston Marathon logo
BOSTON MARATHON 2025

Xiaopeng Zhang

Bib: 12589•M

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 39%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 41%
Division (M50-54)
#0 / 1996
Top 43%
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
7:25/mi
23:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:23/mi
45:58
↑ 79↓ 1380.4%
15K· 9.32 mi
7:26/mi
1:09:04
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:32:40
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:37:40
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:56:30
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:21:21
↑ 181↓ 1480.2%
20M
8:12/mi
2:32:30
↑ 64↓ 500.2%
21M
8:33/mi
2:41:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:46:54
↑ 17↓ 861.7%
23M
8:06/mi
2:57:02
↑ 23↓ 630.6%
24M
7:51/mi
3:04:53
↓ 821.3%
40K· 24.85 mi
7:58/mi
3:11:42
↓ 200.3%
25.2M
9:11/mi
3:14:52
↑ 13↓ 160.2%
Finish· 26.22 mi
7:48/mi
3:22:49
↑ 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
Time1:37:40
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:45:09
Pace8:01 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2623:027:2523:02
7:25
-
10K
6.21 mi11:14:2245:587:2422:56
7:23
-0:02
15K
9.32 mi11:37:281:09:047:2523:06
7:26
+0:03
20K
12.43 mi12:01:041:32:407:2723:36
7:36
+0:10
Half
13.11 mi12:06:041:37:407:275:00
7:20
-0:16
25K
15.53 mi12:24:541:56:307:3018:50
7:46
+0:26
30K
18.64 mi12:49:452:21:217:3524:51
8:00
+0:14
20M
20.00 mi13:00:542:32:307:3711:09
8:12
+0:12
21M
21.00 mi13:09:272:41:037:408:33
8:33
+0:21
35K
21.75 mi13:15:182:46:547:405:51
7:49
-0:44
23M
23.00 mi13:25:262:57:027:4210:08
8:06
+0:17
24M
24.00 mi13:33:173:04:537:427:51
7:51
-0:15
40K
24.85 mi13:40:063:11:427:436:49
7:58
+0:07
25.2M
25.20 mi13:43:163:14:527:443:10
9:11
+1:13
Finish
26.22 mi13:51:133:22:497:447:57
7:48
-1:23

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

7:20 /mi

Average Pace

7:44 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:04

37% of race

Time at Steady Pace

1:35:45

47% of race

Time at Slower Pace

33:00

16% of race

Average Pace: 7:44 /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 mi10:51:2623:027:2523:02
7:25
#11452
10K
6.21 mi11:14:2245:587:2422:56
7:23
#11211
15K
9.32 mi11:37:281:09:047:2523:06
7:26
#11152
20K
12.43 mi12:01:041:32:407:2723:36
7:36
#11279
Half
13.11 mi12:06:041:37:407:275:00
7:20
#11221
25K
15.53 mi12:24:541:56:307:3018:50
7:46
#11325
30K
18.64 mi12:49:452:21:217:3524:51
8:00
#11294
20M
20.00 mi13:00:542:32:307:3711:09
8:12
#11287
21M
21.00 mi13:09:272:41:037:408:33
8:33
#11226
35K
21.75 mi13:15:182:46:547:405:51
7:49
#11183
23M
23.00 mi13:25:262:57:027:4210:08
8:06
#11101
24M
24.00 mi13:33:173:04:537:427:51
7:51
#11023
40K
24.85 mi13:40:063:11:427:436:49
7:58
#10964
25.2M
25.20 mi13:43:163:14:527:443:10
9:11
#10972
Finish
26.22 mi13:51:133:22:497:447:57
7:48
#10970
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi114528915891511180(Top 39%)8685(Top 54%)8685(Top 435%)
10K6.21 mi3.10 mi11211+2418778+1378778+13711008(Top 39%)8671(Top 54%)8671(Top 434%)
15K9.32 mi3.11 mi11152+598730+488730+4811180(Top 39%)8685(Top 54%)8685(Top 435%)
20K12.43 mi3.11 mi11279-1278751-218751-2111547(Top 41%)8752(Top 54%)8752(Top 438%)
Half13.11 mi0.68 mi11221+588727+248727+2410232(Top 36%)8148(Top 51%)8148(Top 408%)
25K15.53 mi2.42 mi11325-1048743-168743-1612062(Top 42%)8875(Top 55%)8875(Top 445%)
30K18.64 mi3.11 mi11294+318645+988645+9811352(Top 40%)8363(Top 52%)8363(Top 419%)
20M20.00 mi1.36 mi11287+78598+478598+4711803(Top 42%)8417(Top 52%)8417(Top 422%)
21M21.00 mi1.00 mi11226+618529+698529+6910779(Top 38%)7759(Top 48%)7759(Top 389%)
35K21.75 mi0.75 mi11183+438489+408489+4010947(Top 39%)7830(Top 49%)7830(Top 392%)
23M23.00 mi1.25 mi11101+828407+828407+8210685(Top 38%)7580(Top 47%)7580(Top 380%)
24M24.00 mi1.00 mi11023+788326+818326+8110172(Top 36%)7253(Top 45%)7253(Top 363%)
40K24.85 mi0.85 mi10964+598260+668260+669981(Top 35%)7037(Top 44%)7037(Top 353%)
25.2M25.20 mi0.35 mi10972-88246+148246+1412745(Top 45%)8330(Top 52%)8330(Top 417%)
Finish26.22 mi1.02 mi10970+28211+358211+3511424(Top 40%)7719(Top 48%)7719(Top 387%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

11180

Males

8685

M50-54

8685

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

11008

Males

8671

M50-54

8671

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

11180

Males

8685

M50-54

8685

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

11547

Males

8752

M50-54

8752

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10232

Males

8148

M50-54

8148

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

12062

Males

8875

M50-54

8875

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

11352

Males

8363

M50-54

8363

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11803

Males

8417

M50-54

8417

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10779

Males

7759

M50-54

7759

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10947

Males

7830

M50-54

7830

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10685

Males

7580

M50-54

7580

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10172

Males

7253

M50-54

7253

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9981

Males

7037

M50-54

7037

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12745

Males

8330

M50-54

8330

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11424

Males

7719

M50-54

7719

Passing Analysis

Category:
Athletes Passed
1985
Passed By
1503
Net Change
+482
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11452
5K → 10K393152+241#11452#11211
10K → 15K216157+59#11211#11152
15K → 20K136263-127#11152#11279
20K → Half668+58#11279#11221
Half → 25K133237-104#11221#11325
25K → 30K245214+31#11325#11294
30K → 20M121114+7#11294#11287
20M → 21M13170+61#11287#11226
21M → 35K7431+43#11226#11183
35K → 23M14866+82#11183#11101
23M → 24M11941+78#11101#11023
24M → 40K9940+59#11023#10964
40K → 25.2M3947-8#10964#10972
25.2M → Finish6563+2#10972#10970
TOTALS19851503+482
📊

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