Boston Marathon logo
BOSTON MARATHON 2025

Shaoyong Yan

Bib: 6117•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 28%
Masters (Masters Men)
#0 / 10463
Top 14%
Division (M50-54)
#0 / 1996
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:43
Rank: #5162
Start → 5K
20:43 | 6:40/mi
10K· 6.21 mi
41:21
Rank: #4959 (+203)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:02:12
Rank: #4983 (-24)
10K → 15K
20:51 | 6:43/mi
20K· 12.43 mi
1:23:15
Rank: #4980 (+3)
15K → 20K
21:03 | 6:47/mi
Half· 13.11 mi
1:27:43
Rank: #4917 (+63)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:44:05
Rank: #4797 (+120)
Half → 25K
16:22 | 6:45/mi
30K· 18.64 mi
2:05:49
Rank: #4737 (+60)
25K → 30K
21:44 | 7:00/mi
20M
2:15:27
Rank: #4718 (+19)
30K → 20M
9:38 | 7:05/mi
21M
2:23:00
Rank: #4682 (+36)
20M → 21M
7:33 | 7:33/mi
35K· 21.75 mi
2:28:01
Rank: #4605 (+77)
21M → 35K
5:01 | 6:42/mi
23M
2:37:03
Rank: #4617 (-12)
35K → 23M
9:02 | 7:13/mi
24M
2:44:11
Rank: #4633 (-16)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
2:50:33
Rank: #4719 (-86)
24M → 40K
6:22 | 7:27/mi
25.2M
2:53:23
Rank: #4761 (-42)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:00:49
Rank: #4876 (-115)
25.2M → Finish
7:26 | 7:18/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
Time1:27:43
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:33:06
Pace7:06 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1220:436:4020:43
6:40
-
10K
6.21 mi10:46:5041:216:3920:38
6:38
-0:02
15K
9.32 mi11:07:411:02:126:4020:51
6:43
+0:05
20K
12.43 mi11:28:441:23:156:4221:03
6:47
+0:04
Half
13.11 mi11:33:121:27:436:414:28
6:33
-0:14
25K
15.53 mi11:49:341:44:056:4216:22
6:45
+0:12
30K
18.64 mi12:11:182:05:496:4521:44
7:00
+0:15
20M
20.00 mi12:20:562:15:276:469:38
7:05
+0:05
21M
21.00 mi12:28:292:23:006:497:33
7:33
+0:28
35K
21.75 mi12:33:302:28:016:485:01
6:42
-0:51
23M
23.00 mi12:42:322:37:036:509:02
7:13
+0:31
24M
24.00 mi12:49:402:44:116:507:08
7:08
-0:05
40K
24.85 mi12:56:022:50:336:526:22
7:27
+0:19
25.2M
25.20 mi12:58:522:53:236:532:50
8:13
+0:46
Finish
26.22 mi13:06:183:00:496:547:26
7:18
-0:55

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

6:33 /mi

Average Pace

6:54 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:03

49% of race

Time at Steady Pace

1:08:35

38% of race

Time at Slower Pace

24:11

13% of race

Average Pace: 6:54 /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 mi10:26:1220:436:4020:43
6:40
#5162
10K
6.21 mi10:46:5041:216:3920:38
6:38
#4959
15K
9.32 mi11:07:411:02:126:4020:51
6:43
#4983
20K
12.43 mi11:28:441:23:156:4221:03
6:47
#4980
Half
13.11 mi11:33:121:27:436:414:28
6:33
#4917
25K
15.53 mi11:49:341:44:056:4216:22
6:45
#4797
30K
18.64 mi12:11:182:05:496:4521:44
7:00
#4737
20M
20.00 mi12:20:562:15:276:469:38
7:05
#4718
21M
21.00 mi12:28:292:23:006:497:33
7:33
#4682
35K
21.75 mi12:33:302:28:016:485:01
6:42
#4605
23M
23.00 mi12:42:322:37:036:509:02
7:13
#4617
24M
24.00 mi12:49:402:44:116:507:08
7:08
#4633
40K
24.85 mi12:56:022:50:336:526:22
7:27
#4719
25.2M
25.20 mi12:58:522:53:236:532:50
8:13
#4761
Finish
26.22 mi13:06:183:00:496:547:26
7:18
#4876
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5162481048105167(Top 18%)4780(Top 30%)4780(Top 239%)
10K6.21 mi3.10 mi4959+2034625+1854625+1854791(Top 17%)4481(Top 28%)4481(Top 224%)
15K9.32 mi3.11 mi4983-244647-224647-225167(Top 18%)4780(Top 30%)4780(Top 239%)
20K12.43 mi3.11 mi4980+34636+114636+115048(Top 18%)4656(Top 29%)4656(Top 233%)
Half13.11 mi0.68 mi4917+634582+544582+543990(Top 14%)3754(Top 23%)3754(Top 188%)
25K15.53 mi2.42 mi4797+1204462+1204462+1204483(Top 16%)4143(Top 26%)4143(Top 208%)
30K18.64 mi3.11 mi4737+604391+714391+714658(Top 16%)4250(Top 26%)4250(Top 213%)
20M20.00 mi1.36 mi4718+194373+184373+184602(Top 16%)4172(Top 26%)4172(Top 209%)
21M21.00 mi1.00 mi4682+364338+354338+354842(Top 17%)4252(Top 26%)4252(Top 213%)
35K21.75 mi0.75 mi4605+774261+774261+773527(Top 12%)3200(Top 20%)3200(Top 160%)
23M23.00 mi1.25 mi4617-124256+54256+54945(Top 17%)4271(Top 27%)4271(Top 214%)
24M24.00 mi1.00 mi4633-164263-74263-75372(Top 19%)4506(Top 28%)4506(Top 226%)
40K24.85 mi0.85 mi4719-864331-684331-686443(Top 23%)5099(Top 32%)5099(Top 255%)
25.2M25.20 mi0.35 mi4761-424360-294360-297043(Top 25%)5333(Top 33%)5333(Top 267%)
Finish26.22 mi1.02 mi4876-1154450-904450-907689(Top 27%)5718(Top 36%)5718(Top 286%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5167

Males

4780

M50-54

4780

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4791

Males

4481

M50-54

4481

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5167

Males

4780

M50-54

4780

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5048

Males

4656

M50-54

4656

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3990

Males

3754

M50-54

3754

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4483

Males

4143

M50-54

4143

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4658

Males

4250

M50-54

4250

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4602

Males

4172

M50-54

4172

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4842

Males

4252

M50-54

4252

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3527

Males

3200

M50-54

3200

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4945

Males

4271

M50-54

4271

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5372

Males

4506

M50-54

4506

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6443

Males

5099

M50-54

5099

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7043

Males

5333

M50-54

5333

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7689

Males

5718

M50-54

5718

Passing Analysis

Category:
Athletes Passed
1415
Passed By
1129
Net Change
+286
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5162
5K → 10K29491+203#5162#4959
10K → 15K115139-24#4959#4983
15K → 20K133130+3#4983#4980
20K → Half674+63#4980#4917
Half → 25K15939+120#4917#4797
25K → 30K186126+60#4797#4737
30K → 20M8364+19#4737#4718
20M → 21M9054+36#4718#4682
21M → 35K8710+77#4682#4605
35K → 23M7890-12#4605#4617
23M → 24M5672-16#4617#4633
24M → 40K33119-86#4633#4719
40K → 25.2M1759-42#4719#4761
25.2M → Finish17132-115#4761#4876
TOTALS14151129+286
📊

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