Boston Marathon logo
BOSTON MARATHON 2025

Jacky Wu

Bib: 6060•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 19%
Masters (Masters Men)
#0 / 10463
Top 7%
Division (M40-44)
#0 / 2247
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:54
Rank: #3146
Start → 5K
19:54 | 6:24/mi
10K· 6.21 mi
40:08
Rank: #3468 (-322)
5K → 10K
20:14 | 6:31/mi
15K· 9.32 mi
1:00:33
Rank: #3670 (-202)
10K → 15K
20:25 | 6:34/mi
20K· 12.43 mi
1:21:32
Rank: #3885 (-215)
15K → 20K
20:59 | 6:45/mi
Half· 13.11 mi
1:26:05
Rank: #3925 (-40)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:42:06
Rank: #3827 (+98)
Half → 25K
16:01 | 6:36/mi
30K· 18.64 mi
2:03:01
Rank: #3650 (+177)
25K → 30K
20:55 | 6:44/mi
20M
2:12:26
Rank: #3604 (+46)
30K → 20M
9:25 | 6:56/mi
21M
2:19:40
Rank: #3557 (+47)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:24:45
Rank: #3551 (+6)
21M → 35K
5:05 | 6:48/mi
23M
2:33:16
Rank: #3429 (+122)
35K → 23M
8:31 | 6:48/mi
24M
2:39:57
Rank: #3373 (+56)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:45:42
Rank: #3296 (+77)
24M → 40K
5:45 | 6:44/mi
25.2M
2:48:17
Rank: #3283 (+13)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:55:02
Rank: #3256 (+27)
25.2M → Finish
6:45 | 6:37/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
Time1:26:05
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:28:57
Pace6:47 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5519:546:2419:54
6:24
-
10K
6.21 mi10:46:0940:086:2820:14
6:31
+0:07
15K
9.32 mi11:06:341:00:336:3020:25
6:34
+0:03
20K
12.43 mi11:27:331:21:326:3420:59
6:45
+0:11
Half
13.11 mi11:32:061:26:056:344:33
6:40
-0:05
25K
15.53 mi11:48:071:42:066:3416:01
6:36
-0:04
30K
18.64 mi12:09:022:03:016:3620:55
6:44
+0:08
20M
20.00 mi12:18:272:12:266:379:25
6:56
+0:12
21M
21.00 mi12:25:412:19:406:397:14
7:14
+0:18
35K
21.75 mi12:30:462:24:456:395:05
6:48
-0:26
23M
23.00 mi12:39:172:33:166:408:31
6:48
0:00
24M
24.00 mi12:45:582:39:576:406:41
6:41
-0:07
40K
24.85 mi12:51:432:45:426:405:45
6:44
+0:03
25.2M
25.20 mi12:54:182:48:176:412:35
7:29
+0:45
Finish
26.22 mi13:01:032:55:026:416:45
6:37
-0:52

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

6:24 /mi

Average Pace

6:41 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:13

94% of race

Time at Steady Pace

9:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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 mi10:25:5519:546:2419:54
6:24
#3146
10K
6.21 mi10:46:0940:086:2820:14
6:31
#3468
15K
9.32 mi11:06:341:00:336:3020:25
6:34
#3670
20K
12.43 mi11:27:331:21:326:3420:59
6:45
#3885
Half
13.11 mi11:32:061:26:056:344:33
6:40
#3925
25K
15.53 mi11:48:071:42:066:3416:01
6:36
#3827
30K
18.64 mi12:09:022:03:016:3620:55
6:44
#3650
20M
20.00 mi12:18:272:12:266:379:25
6:56
#3604
21M
21.00 mi12:25:412:19:406:397:14
7:14
#3557
35K
21.75 mi12:30:462:24:456:395:05
6:48
#3551
23M
23.00 mi12:39:172:33:166:408:31
6:48
#3429
24M
24.00 mi12:45:582:39:576:406:41
6:41
#3373
40K
24.85 mi12:51:432:45:426:405:45
6:44
#3296
25.2M
25.20 mi12:54:182:48:176:412:35
7:29
#3283
Finish
26.22 mi13:01:032:55:026:416:45
6:37
#3256
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3146298929894022(Top 14%)3787(Top 24%)3787(Top 169%)
10K6.21 mi3.10 mi3468-3223292-3033292-3033809(Top 13%)3590(Top 22%)3590(Top 160%)
15K9.32 mi3.11 mi3670-2023471-1793471-1794022(Top 14%)3787(Top 24%)3787(Top 169%)
20K12.43 mi3.11 mi3885-2153661-1903661-1904857(Top 17%)4494(Top 28%)4494(Top 200%)
Half13.11 mi0.68 mi3925-403695-343695-344920(Top 17%)4549(Top 28%)4549(Top 202%)
25K15.53 mi2.42 mi3827+983606+893606+893490(Top 12%)3290(Top 20%)3290(Top 146%)
30K18.64 mi3.11 mi3650+1773445+1613445+1613037(Top 11%)2854(Top 18%)2854(Top 127%)
20M20.00 mi1.36 mi3604+463401+443401+443661(Top 13%)3367(Top 21%)3367(Top 150%)
21M21.00 mi1.00 mi3557+473356+453356+453261(Top 11%)2999(Top 19%)2999(Top 133%)
35K21.75 mi0.75 mi3551+63343+133343+134034(Top 14%)3609(Top 22%)3609(Top 161%)
23M23.00 mi1.25 mi3429+1223231+1123231+1122701(Top 10%)2484(Top 15%)2484(Top 111%)
24M24.00 mi1.00 mi3373+563174+573174+572888(Top 10%)2628(Top 16%)2628(Top 117%)
40K24.85 mi0.85 mi3296+773101+733101+732479(Top 9%)2261(Top 14%)2261(Top 101%)
25.2M25.20 mi0.35 mi3283+133087+143087+143304(Top 12%)2894(Top 18%)2894(Top 129%)
Finish26.22 mi1.02 mi3256+273054+333054+333435(Top 12%)3004(Top 19%)3004(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

4022

Males

3787

M40-44

3787

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3809

Males

3590

M40-44

3590

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

4022

Males

3787

M40-44

3787

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4857

Males

4494

M40-44

4494

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4920

Males

4549

M40-44

4549

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3490

Males

3290

M40-44

3290

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3037

Males

2854

M40-44

2854

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3661

Males

3367

M40-44

3367

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3261

Males

2999

M40-44

2999

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

4034

Males

3609

M40-44

3609

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2701

Males

2484

M40-44

2484

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2888

Males

2628

M40-44

2628

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2479

Males

2261

M40-44

2261

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3304

Males

2894

M40-44

2894

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3435

Males

3004

M40-44

3004

Passing Analysis

Category:
Athletes Passed
1034
Passed By
1144
Net Change
-110
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3146
5K → 10K38360-322#3146#3468
10K → 15K44246-202#3468#3670
15K → 20K43258-215#3670#3885
20K → Half343-40#3885#3925
Half → 25K12729+98#3925#3827
25K → 30K20326+177#3827#3650
30K → 20M8337+46#3650#3604
20M → 21M6619+47#3604#3557
21M → 35K4135+6#3557#3551
35K → 23M13513+122#3551#3429
23M → 24M7620+56#3429#3373
24M → 40K858+77#3373#3296
40K → 25.2M2310+13#3296#3283
25.2M → Finish6740+27#3283#3256
TOTALS10341144-110
📊

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