Boston Marathon logo
BOSTON MARATHON 2025

Jermin Chou

Bib: 13761•M

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 47%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 50%
Division (M60-64)
#0 / 1259
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:39
Rank: #16026
Start → 5K
24:39 | 7:56/mi
10K· 6.21 mi
49:37
Rank: #16380 (-354)
5K → 10K
24:58 | 8:02/mi
15K· 9.32 mi
1:14:49
Rank: #16526 (-146)
10K → 15K
25:12 | 8:07/mi
20K· 12.43 mi
1:40:04
Rank: #16320 (+206)
15K → 20K
25:15 | 8:08/mi
Half· 13.11 mi
1:45:26
Rank: #16242 (+78)
20K → Half
5:22 | 7:52/mi
25K· 15.53 mi
2:04:51
Rank: #15858 (+384)
Half → 25K
19:25 | 8:00/mi
30K· 18.64 mi
2:29:54
Rank: #15062 (+796)
25K → 30K
25:03 | 8:04/mi
20M
2:40:43
Rank: #14630 (+432)
30K → 20M
10:49 | 7:58/mi
21M
2:49:04
Rank: #14286 (+344)
20M → 21M
8:21 | 8:21/mi
35K· 21.75 mi
2:55:00
Rank: #14158 (+128)
21M → 35K
5:56 | 7:56/mi
23M
3:04:46
Rank: #13782 (+376)
35K → 23M
9:46 | 7:48/mi
24M
3:12:37
Rank: #13603 (+179)
23M → 24M
7:51 | 7:51/mi
40K· 24.85 mi
3:19:23
Rank: #13414 (+189)
24M → 40K
6:46 | 7:55/mi
25.2M
3:22:22
Rank: #13344 (+70)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:30:21
Rank: #13302 (+42)
25.2M → Finish
7:59 | 7:50/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 Half⚖️ Balanced
Distance13.11 mi
Time1:45:26
Pace8:03 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:55
Pace8:00 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0424:397:5624:39
7:56
-
10K
6.21 mi11:19:0249:377:5924:58
8:02
+0:06
15K
9.32 mi11:44:141:14:498:0225:12
8:07
+0:05
20K
12.43 mi12:09:291:40:048:0325:15
8:08
+0:01
Half
13.11 mi12:14:511:45:268:035:22
7:52
-0:16
25K
15.53 mi12:34:162:04:518:0219:25
8:00
+0:08
30K
18.64 mi12:59:192:29:548:0225:03
8:04
+0:04
20M
20.00 mi13:10:082:40:438:0210:49
7:58
-0:06
21M
21.00 mi13:18:292:49:048:038:21
8:21
+0:23
35K
21.75 mi13:24:252:55:008:035:56
7:56
-0:25
23M
23.00 mi13:34:113:04:468:029:46
7:48
-0:08
24M
24.00 mi13:42:023:12:378:027:51
7:51
+0:03
40K
24.85 mi13:48:483:19:238:016:46
7:55
+0:04
25.2M
25.20 mi13:51:473:22:228:022:59
8:39
+0:44
Finish
26.22 mi13:59:463:30:218:027:59
7:50
-0:49

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

7:48 /mi

Average Pace

8:02 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:22

99% of race

Time at Steady Pace

2:59

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi10:54:0424:397:5624:39
7:56
#16026
10K
6.21 mi11:19:0249:377:5924:58
8:02
#16380
15K
9.32 mi11:44:141:14:498:0225:12
8:07
#16526
20K
12.43 mi12:09:291:40:048:0325:15
8:08
#16320
Half
13.11 mi12:14:511:45:268:035:22
7:52
#16242
25K
15.53 mi12:34:162:04:518:0219:25
8:00
#15858
30K
18.64 mi12:59:192:29:548:0225:03
8:04
#15062
20M
20.00 mi13:10:082:40:438:0210:49
7:58
#14630
21M
21.00 mi13:18:292:49:048:038:21
8:21
#14286
35K
21.75 mi13:24:252:55:008:035:56
7:56
#14158
23M
23.00 mi13:34:113:04:468:029:46
7:48
#13782
24M
24.00 mi13:42:023:12:378:027:51
7:51
#13603
40K
24.85 mi13:48:483:19:238:016:46
7:55
#13414
25.2M
25.20 mi13:51:473:22:228:022:59
8:39
#13344
Finish
26.22 mi13:59:463:30:218:027:59
7:50
#13302
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16026108131081316796(Top 59%)11137(Top 69%)11137(Top 885%)
10K6.21 mi3.10 mi16380-35410961-14810961-14816728(Top 59%)11121(Top 69%)11121(Top 883%)
15K9.32 mi3.11 mi16526-14611033-7211033-7216796(Top 59%)11137(Top 69%)11137(Top 885%)
20K12.43 mi3.11 mi16320+20610939+9410939+9415818(Top 56%)10662(Top 66%)10662(Top 847%)
Half13.11 mi0.68 mi16242+7810891+4810891+4814742(Top 52%)10217(Top 63%)10217(Top 812%)
25K15.53 mi2.42 mi15858+38410722+16910722+16913941(Top 49%)9723(Top 60%)9723(Top 772%)
30K18.64 mi3.11 mi15062+79610318+40410318+40411832(Top 42%)8592(Top 53%)8592(Top 682%)
20M20.00 mi1.36 mi14630+43210099+21910099+21910169(Top 36%)7638(Top 47%)7638(Top 607%)
21M21.00 mi1.00 mi14286+3449931+1689931+1689530(Top 34%)7128(Top 44%)7128(Top 566%)
35K21.75 mi0.75 mi14158+1289847+849847+8411771(Top 41%)8218(Top 51%)8218(Top 653%)
23M23.00 mi1.25 mi13782+3769636+2119636+2118593(Top 30%)6500(Top 40%)6500(Top 516%)
24M24.00 mi1.00 mi13603+1799529+1079529+10710191(Top 36%)7272(Top 45%)7272(Top 578%)
40K24.85 mi0.85 mi13414+1899426+1039426+1039565(Top 34%)6839(Top 42%)6839(Top 543%)
25.2M25.20 mi0.35 mi13344+709382+449382+449711(Top 34%)6830(Top 42%)6830(Top 542%)
Finish26.22 mi1.02 mi13302+429343+399343+3911674(Top 41%)7863(Top 49%)7863(Top 625%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16796

Males

11137

M60-64

11137

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16728

Males

11121

M60-64

11121

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16796

Males

11137

M60-64

11137

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

15818

Males

10662

M60-64

10662

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

14742

Males

10217

M60-64

10217

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

13941

Males

9723

M60-64

9723

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11832

Males

8592

M60-64

8592

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10169

Males

7638

M60-64

7638

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9530

Males

7128

M60-64

7128

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11771

Males

8218

M60-64

8218

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8593

Males

6500

M60-64

6500

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10191

Males

7272

M60-64

7272

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9565

Males

6839

M60-64

6839

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9711

Males

6830

M60-64

6830

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11674

Males

7863

M60-64

7863

Passing Analysis

Category:
Athletes Passed
3808
Passed By
1084
Net Change
+2724
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16026
5K → 10K190544-354#16026#16380
10K → 15K164310-146#16380#16526
15K → 20K315109+206#16526#16320
20K → Half846+78#16320#16242
Half → 25K40218+384#16242#15858
25K → 30K8015+796#15858#15062
30K → 20M4353+432#15062#14630
20M → 21M3462+344#14630#14286
21M → 35K14517+128#14286#14158
35K → 23M3793+376#14158#13782
23M → 24M19617+179#13782#13603
24M → 40K1923+189#13603#13414
40K → 25.2M788+70#13414#13344
25.2M → Finish8139+42#13344#13302
TOTALS38081084+2724
📊

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