Boston Marathon logo
BOSTON MARATHON 2025

Chung-Lin Wu

Bib: 23256•M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:12
Rank: #21270
Start → 5K
27:12 | 8:45/mi
10K· 6.21 mi
54:34
Rank: #21355 (-85)
5K → 10K
27:22 | 8:49/mi
15K· 9.32 mi
1:22:13
Rank: #21370 (-15)
10K → 15K
27:39 | 8:54/mi
20K· 12.43 mi
1:50:34
Rank: #21430 (-60)
15K → 20K
28:21 | 9:07/mi
Half· 13.11 mi
1:56:40
Rank: #21428 (+2)
20K → Half
6:06 | 8:56/mi
25K· 15.53 mi
2:19:00
Rank: #21335 (+93)
Half → 25K
22:20 | 9:13/mi
30K· 18.64 mi
2:48:58
Rank: #21168 (+167)
25K → 30K
29:58 | 9:39/mi
20M
3:01:55
Rank: #21008 (+160)
30K → 20M
12:57 | 9:32/mi
21M
3:12:08
Rank: #20872 (+136)
20M → 21M
10:13 | 10:13/mi
35K· 21.75 mi
3:18:55
Rank: #20783 (+89)
21M → 35K
6:47 | 9:04/mi
23M
3:30:24
Rank: #20578 (+205)
35K → 23M
11:29 | 9:10/mi
24M
3:39:28
Rank: #20487 (+91)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:47:29
Rank: #20412 (+75)
24M → 40K
8:01 | 9:23/mi
25.2M
3:51:04
Rank: #20401 (+11)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
4:00:09
Rank: #20369 (+32)
25.2M → Finish
9:05 | 8:55/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
Time1:56:40
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:03:29
Pace9:25 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:0427:128:4527:12
8:45
-
10K
6.21 mi11:54:2654:348:4727:22
8:49
+0:04
15K
9.32 mi12:22:051:22:138:4927:39
8:54
+0:05
20K
12.43 mi12:50:261:50:348:5428:21
9:07
+0:13
Half
13.11 mi12:56:321:56:408:546:06
8:56
-0:11
25K
15.53 mi13:18:522:19:008:5722:20
9:13
+0:17
30K
18.64 mi13:48:502:48:589:0429:58
9:39
+0:26
20M
20.00 mi14:01:473:01:559:0612:57
9:32
-0:07
21M
21.00 mi14:12:003:12:089:0910:13
10:13
+0:41
35K
21.75 mi14:18:473:18:559:096:47
9:04
-1:09
23M
23.00 mi14:30:163:30:249:0911:29
9:10
+0:06
24M
24.00 mi14:39:203:39:289:099:04
9:04
-0:06
40K
24.85 mi14:47:213:47:299:098:01
9:23
+0:19
25.2M
25.20 mi14:50:563:51:049:103:35
10:23
+1:00
Finish
26.22 mi15:00:014:00:099:109:05
8:55
-1:28

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

8:45 /mi

Average Pace

9:10 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:23

82% of race

Time at Steady Pace

40:11

17% of race

Time at Slower Pace

3:35

1% of race

Average Pace: 9:10 /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 mi11:27:0427:128:4527:12
8:45
#21270
10K
6.21 mi11:54:2654:348:4727:22
8:49
#21355
15K
9.32 mi12:22:051:22:138:4927:39
8:54
#21370
20K
12.43 mi12:50:261:50:348:5428:21
9:07
#21430
Half
13.11 mi12:56:321:56:408:546:06
8:56
#21428
25K
15.53 mi13:18:522:19:008:5722:20
9:13
#21335
30K
18.64 mi13:48:502:48:589:0429:58
9:39
#21168
20M
20.00 mi14:01:473:01:559:0612:57
9:32
#21008
21M
21.00 mi14:12:003:12:089:0910:13
10:13
#20872
35K
21.75 mi14:18:473:18:559:096:47
9:04
#20783
23M
23.00 mi14:30:163:30:249:0911:29
9:10
#20578
24M
24.00 mi14:39:203:39:289:099:04
9:04
#20487
40K
24.85 mi14:47:213:47:299:098:01
9:23
#20412
25.2M
25.20 mi14:50:563:51:049:103:35
10:23
#20401
Finish
26.22 mi15:00:014:00:099:109:05
8:55
#20369
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21270129821298221563(Top 76%)13194(Top 82%)13194(Top 1048%)
10K6.21 mi3.10 mi21355-8513046-6413046-6421431(Top 75%)13103(Top 81%)13103(Top 1041%)
15K9.32 mi3.11 mi21370-1513079-3313079-3321563(Top 76%)13194(Top 82%)13194(Top 1048%)
20K12.43 mi3.11 mi21430-6013091-1213091-1221561(Top 76%)13157(Top 82%)13157(Top 1045%)
Half13.11 mi0.68 mi21428+213092-113092-121538(Top 76%)13142(Top 82%)13142(Top 1044%)
25K15.53 mi2.42 mi21335+9313044+4813044+4820801(Top 73%)12768(Top 79%)12768(Top 1014%)
30K18.64 mi3.11 mi21168+16712932+11212932+11220524(Top 72%)12526(Top 78%)12526(Top 995%)
20M20.00 mi1.36 mi21008+16012844+8812844+8819307(Top 68%)11834(Top 73%)11834(Top 940%)
21M21.00 mi1.00 mi20872+13612762+8212762+8219072(Top 67%)11657(Top 72%)11657(Top 926%)
35K21.75 mi0.75 mi20783+8912705+5712705+5718559(Top 65%)11290(Top 70%)11290(Top 897%)
23M23.00 mi1.25 mi20578+20512593+11212593+11217196(Top 61%)10601(Top 66%)10601(Top 842%)
24M24.00 mi1.00 mi20487+9112538+5512538+5517693(Top 62%)10790(Top 67%)10790(Top 857%)
40K24.85 mi0.85 mi20412+7512482+5612482+5618178(Top 64%)10923(Top 68%)10923(Top 868%)
25.2M25.20 mi0.35 mi20401+1112473+912473+918593(Top 65%)11125(Top 69%)11125(Top 884%)
Finish26.22 mi1.02 mi20369+3212441+3212441+3218590(Top 65%)11170(Top 69%)11170(Top 887%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21563

Males

13194

M60-64

13194

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21431

Males

13103

M60-64

13103

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21563

Males

13194

M60-64

13194

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21561

Males

13157

M60-64

13157

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

21538

Males

13142

M60-64

13142

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

20801

Males

12768

M60-64

12768

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

20524

Males

12526

M60-64

12526

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19307

Males

11834

M60-64

11834

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

19072

Males

11657

M60-64

11657

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18559

Males

11290

M60-64

11290

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17196

Males

10601

M60-64

10601

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17693

Males

10790

M60-64

10790

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18178

Males

10923

M60-64

10923

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18593

Males

11125

M60-64

11125

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18590

Males

11170

M60-64

11170

Passing Analysis

Category:
Athletes Passed
2095
Passed By
1194
Net Change
+901
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21270
5K → 10K238323-85#21270#21355
10K → 15K209224-15#21355#21370
15K → 20K182242-60#21370#21430
20K → Half3230+2#21430#21428
Half → 25K18895+93#21428#21335
25K → 30K275108+167#21335#21168
30K → 20M18727+160#21168#21008
20M → 21M16933+136#21008#20872
21M → 35K978+89#20872#20783
35K → 23M2127+205#20783#20578
23M → 24M10413+91#20578#20487
24M → 40K9621+75#20487#20412
40K → 25.2M3524+11#20412#20401
25.2M → Finish7139+32#20401#20369
TOTALS20951194+901
📊

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