Boston Marathon logo
BOSTON MARATHON 2025

Yoshiyuki Fukuzawa

Bib: 9352•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 32%
Masters (Masters Men)
#0 / 10463
Top 18%
Division (M40-44)
#0 / 2247
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:36
Rank: #7435
Start → 5K
21:36 | 6:57/mi
10K· 6.21 mi
42:50
Rank: #7096 (+339)
5K → 10K
21:14 | 6:50/mi
15K· 9.32 mi
1:04:01
Rank: #6814 (+282)
10K → 15K
21:11 | 6:49/mi
20K· 12.43 mi
1:25:22
Rank: #6572 (+242)
15K → 20K
21:21 | 6:52/mi
Half· 13.11 mi
1:29:56
Rank: #6500 (+72)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:46:38
Rank: #6289 (+211)
Half → 25K
16:42 | 6:53/mi
30K· 18.64 mi
2:08:45
Rank: #6016 (+273)
25K → 30K
22:07 | 7:07/mi
20M
2:18:39
Rank: #5958 (+58)
30K → 20M
9:54 | 7:17/mi
21M
2:26:21
Rank: #5864 (+94)
20M → 21M
7:42 | 7:42/mi
35K· 21.75 mi
2:31:38
Rank: #5835 (+29)
21M → 35K
5:17 | 7:04/mi
23M
2:41:03
Rank: #5823 (+12)
35K → 23M
9:25 | 7:31/mi
24M
2:48:21
Rank: #5777 (+46)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
2:54:49
Rank: #5778 (-1)
24M → 40K
6:28 | 7:34/mi
25.2M
2:57:42
Rank: #5773 (+5)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:05:18
Rank: #5812 (-39)
25.2M → Finish
7:36 | 7:27/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
Time1:29:56
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:35:22
Pace7:16 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0221:366:5721:36
6:57
-
10K
6.21 mi11:08:1642:506:5421:14
6:50
-0:07
15K
9.32 mi11:29:271:04:016:5221:11
6:49
-0:01
20K
12.43 mi11:50:481:25:226:5221:21
6:52
+0:03
Half
13.11 mi11:55:221:29:566:524:34
6:42
-0:10
25K
15.53 mi12:12:041:46:386:5216:42
6:53
+0:11
30K
18.64 mi12:34:112:08:456:5422:07
7:07
+0:14
20M
20.00 mi12:44:052:18:396:569:54
7:17
+0:10
21M
21.00 mi12:51:472:26:216:587:42
7:42
+0:25
35K
21.75 mi12:57:042:31:386:585:17
7:04
-0:38
23M
23.00 mi13:06:292:41:037:009:25
7:31
+0:27
24M
24.00 mi13:13:472:48:217:017:18
7:18
-0:13
40K
24.85 mi13:20:152:54:497:026:28
7:34
+0:16
25.2M
25.20 mi13:23:082:57:427:032:53
8:22
+0:48
Finish
26.22 mi13:30:443:05:187:047:36
7:27
-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

6:42 /mi

Average Pace

7:04 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:02

46% of race

Time at Steady Pace

1:06:12

36% of race

Time at Slower Pace

34:04

18% of race

Average Pace: 7:04 /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 mi10:47:0221:366:5721:36
6:57
#7435
10K
6.21 mi11:08:1642:506:5421:14
6:50
#7096
15K
9.32 mi11:29:271:04:016:5221:11
6:49
#6814
20K
12.43 mi11:50:481:25:226:5221:21
6:52
#6572
Half
13.11 mi11:55:221:29:566:524:34
6:42
#6500
25K
15.53 mi12:12:041:46:386:5216:42
6:53
#6289
30K
18.64 mi12:34:112:08:456:5422:07
7:07
#6016
20M
20.00 mi12:44:052:18:396:569:54
7:17
#5958
21M
21.00 mi12:51:472:26:216:587:42
7:42
#5864
35K
21.75 mi12:57:042:31:386:585:17
7:04
#5835
23M
23.00 mi13:06:292:41:037:009:25
7:31
#5823
24M
24.00 mi13:13:472:48:217:017:18
7:18
#5777
40K
24.85 mi13:20:152:54:497:026:28
7:34
#5778
25.2M
25.20 mi13:23:082:57:427:032:53
8:22
#5773
Finish
26.22 mi13:30:443:05:187:047:36
7:27
#5812
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7435661866186242(Top 22%)5652(Top 35%)5652(Top 252%)
10K6.21 mi3.10 mi7096+3396364+2546364+2546723(Top 24%)6061(Top 38%)6061(Top 270%)
15K9.32 mi3.11 mi6814+2826133+2316133+2316242(Top 22%)5652(Top 35%)5652(Top 252%)
20K12.43 mi3.11 mi6572+2425938+1955938+1955955(Top 21%)5398(Top 34%)5398(Top 240%)
Half13.11 mi0.68 mi6500+725873+655873+655200(Top 18%)4795(Top 30%)4795(Top 213%)
25K15.53 mi2.42 mi6289+2115692+1815692+1815551(Top 20%)5028(Top 31%)5028(Top 224%)
30K18.64 mi3.11 mi6016+2735454+2385454+2385415(Top 19%)4866(Top 30%)4866(Top 217%)
20M20.00 mi1.36 mi5958+585389+655389+655665(Top 20%)4945(Top 31%)4945(Top 220%)
21M21.00 mi1.00 mi5864+945302+875302+875610(Top 20%)4803(Top 30%)4803(Top 214%)
35K21.75 mi0.75 mi5835+295272+305272+305730(Top 20%)4866(Top 30%)4866(Top 217%)
23M23.00 mi1.25 mi5823+125243+295243+296712(Top 24%)5414(Top 34%)5414(Top 241%)
24M24.00 mi1.00 mi5777+465193+505193+506388(Top 22%)5143(Top 32%)5143(Top 229%)
40K24.85 mi0.85 mi5778-15178+155178+157133(Top 25%)5494(Top 34%)5494(Top 245%)
25.2M25.20 mi0.35 mi5773+55164+145164+147874(Top 28%)5815(Top 36%)5815(Top 259%)
Finish26.22 mi1.02 mi5812-395176-125176-128848(Top 31%)6348(Top 39%)6348(Top 283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6242

Males

5652

M40-44

5652

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6723

Males

6061

M40-44

6061

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6242

Males

5652

M40-44

5652

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5955

Males

5398

M40-44

5398

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5200

Males

4795

M40-44

4795

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5551

Males

5028

M40-44

5028

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5415

Males

4866

M40-44

4866

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5665

Males

4945

M40-44

4945

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5610

Males

4803

M40-44

4803

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5730

Males

4866

M40-44

4866

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6712

Males

5414

M40-44

5414

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6388

Males

5143

M40-44

5143

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7133

Males

5494

M40-44

5494

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7874

Males

5815

M40-44

5815

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8848

Males

6348

M40-44

6348

Passing Analysis

Category:
Athletes Passed
2194
Passed By
571
Net Change
+1623
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7435
5K → 10K41576+339#7435#7096
10K → 15K31331+282#7096#6814
15K → 20K27129+242#6814#6572
20K → Half742+72#6572#6500
Half → 25K24130+211#6500#6289
25K → 30K31340+273#6289#6016
30K → 20M10042+58#6016#5958
20M → 21M11723+94#5958#5864
21M → 35K5324+29#5864#5835
35K → 23M9280+12#5835#5823
23M → 24M7630+46#5823#5777
24M → 40K5253-1#5777#5778
40K → 25.2M3732+5#5778#5773
25.2M → Finish4079-39#5773#5812
TOTALS2194571+1623
📊

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