Boston Marathon logo
BOSTON MARATHON 2025

Daniel Yeung

Bib: 12647•M

ON

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 42%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 45%
Division (M50-54)
#0 / 1996
Top 48%
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
7:27/mi
23:10
↑ 97↓ 3451.5%
10K· 6.21 mi
7:37/mi
46:50
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:10:30
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:34:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:40:02
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
1:58:57
↑ 66↓ 880.2%
30K· 18.64 mi
8:06/mi
2:24:08
↑ 181↓ 1480.2%
20M
8:20/mi
2:35:28
↑ 64↓ 500.2%
21M
8:29/mi
2:43:57
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
2:49:58
↑ 17↓ 861.7%
23M
8:17/mi
3:00:20
↑ 23↓ 630.6%
24M
8:02/mi
3:08:22
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:15:17
↓ 200.3%
25.2M
8:39/mi
3:18:16
↑ 13↓ 160.2%
Finish· 26.22 mi
7:37/mi
3:26:02
↑ 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
Time1:40:02
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:46:00
Pace8:05 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4023:107:2723:10
7:27
-
10K
6.21 mi11:15:2046:507:3223:40
7:37
+0:10
15K
9.32 mi11:39:001:10:307:3423:40
7:37
0:00
20K
12.43 mi12:03:191:34:497:3824:19
7:50
+0:13
Half
13.11 mi12:08:321:40:027:385:13
7:39
-0:11
25K
15.53 mi12:27:271:58:577:3918:55
7:48
+0:09
30K
18.64 mi12:52:382:24:087:4425:11
8:06
+0:18
20M
20.00 mi13:03:582:35:287:4611:20
8:20
+0:14
21M
21.00 mi13:12:272:43:577:488:29
8:29
+0:09
35K
21.75 mi13:18:282:49:587:496:01
8:03
-0:26
23M
23.00 mi13:28:503:00:207:5010:22
8:17
+0:14
24M
24.00 mi13:36:523:08:227:518:02
8:02
-0:15
40K
24.85 mi13:43:473:15:177:516:55
8:05
+0:03
25.2M
25.20 mi13:46:463:18:167:522:59
8:39
+0:34
Finish
26.22 mi13:54:323:26:027:527:46
7:37
-1:02

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

7:27 /mi

Average Pace

7:52 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:52

84% of race

Time at Steady Pace

33:10

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:51 /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 mi10:51:4023:107:2723:10
7:27
#11842
10K
6.21 mi11:15:2046:507:3223:40
7:37
#12455
15K
9.32 mi11:39:001:10:307:3423:40
7:37
#12535
20K
12.43 mi12:03:191:34:497:3824:19
7:50
#12741
Half
13.11 mi12:08:321:40:027:385:13
7:39
#12753
25K
15.53 mi12:27:271:58:577:3918:55
7:48
#12664
30K
18.64 mi12:52:382:24:087:4425:11
8:06
#12522
20M
20.00 mi13:03:582:35:287:4611:20
8:20
#12499
21M
21.00 mi13:12:272:43:577:488:29
8:29
#12356
35K
21.75 mi13:18:282:49:587:496:01
8:03
#12343
23M
23.00 mi13:28:503:00:207:5010:22
8:17
#12288
24M
24.00 mi13:36:523:08:227:518:02
8:02
#12243
40K
24.85 mi13:43:473:15:177:516:55
8:05
#12153
25.2M
25.20 mi13:46:463:18:167:522:59
8:39
#12091
Finish
26.22 mi13:54:323:26:027:527:46
7:37
#12001
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi118429103910312741(Top 45%)9399(Top 58%)9399(Top 471%)
10K6.21 mi3.10 mi12455-6139377-2749377-27413167(Top 46%)9659(Top 60%)9659(Top 484%)
15K9.32 mi3.11 mi12535-809376+19376+112741(Top 45%)9399(Top 58%)9399(Top 471%)
20K12.43 mi3.11 mi12741-2069407-319407-3113477(Top 47%)9635(Top 60%)9635(Top 483%)
Half13.11 mi0.68 mi12753-129406+19406+112900(Top 45%)9407(Top 58%)9407(Top 471%)
25K15.53 mi2.42 mi12664+899346+609346+6012354(Top 43%)9013(Top 56%)9013(Top 452%)
30K18.64 mi3.11 mi12522+1429210+1369210+13612131(Top 43%)8747(Top 54%)8747(Top 438%)
20M20.00 mi1.36 mi12499+239159+519159+5112730(Top 45%)8872(Top 55%)8872(Top 444%)
21M21.00 mi1.00 mi12356+1439061+989061+9810332(Top 36%)7529(Top 47%)7529(Top 377%)
35K21.75 mi0.75 mi12343+139024+379024+3712500(Top 44%)8561(Top 53%)8561(Top 429%)
23M23.00 mi1.25 mi12288+558967+578967+5711907(Top 42%)8189(Top 51%)8189(Top 410%)
24M24.00 mi1.00 mi12243+458918+498918+4911477(Top 40%)7898(Top 49%)7898(Top 396%)
40K24.85 mi0.85 mi12153+908839+798839+7910768(Top 38%)7446(Top 46%)7446(Top 373%)
25.2M25.20 mi0.35 mi12091+628789+508789+509695(Top 34%)6814(Top 42%)6814(Top 341%)
Finish26.22 mi1.02 mi12001+908723+668723+6610105(Top 36%)7042(Top 44%)7042(Top 353%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12741

Males

9399

M50-54

9399

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

13167

Males

9659

M50-54

9659

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12741

Males

9399

M50-54

9399

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

13477

Males

9635

M50-54

9635

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12900

Males

9407

M50-54

9407

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12354

Males

9013

M50-54

9013

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

12131

Males

8747

M50-54

8747

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12730

Males

8872

M50-54

8872

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10332

Males

7529

M50-54

7529

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

12500

Males

8561

M50-54

8561

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11907

Males

8189

M50-54

8189

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

11477

Males

7898

M50-54

7898

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10768

Males

7446

M50-54

7446

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9695

Males

6814

M50-54

6814

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10105

Males

7042

M50-54

7042

Passing Analysis

Category:
Athletes Passed
1787
Passed By
1946
Net Change
-159
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11842
5K → 10K78691-613#11842#12455
10K → 15K154234-80#12455#12535
15K → 20K132338-206#12535#12741
20K → Half2739-12#12741#12753
Half → 25K194105+89#12753#12664
25K → 30K299157+142#12664#12522
30K → 20M12097+23#12522#12499
20M → 21M18138+143#12499#12356
21M → 35K6653+13#12356#12343
35K → 23M13277+55#12343#12288
23M → 24M9752+45#12288#12243
24M → 40K11525+90#12243#12153
40K → 25.2M7210+62#12153#12091
25.2M → Finish12030+90#12091#12001
TOTALS17871946-159
📊

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