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BOSTON MARATHON 2025

Longchang Fu

Bib: 17088•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 45%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 47%
Division (M55-59)
#0 / 1648
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:22
Rank: #12411
Start → 5K
23:22 | 7:31/mi
10K· 6.21 mi
46:41
Rank: #12245 (+166)
5K → 10K
23:19 | 7:30/mi
15K· 9.32 mi
1:10:23
Rank: #12440 (-195)
10K → 15K
23:42 | 7:38/mi
20K· 12.43 mi
1:34:51
Rank: #12763 (-323)
15K → 20K
24:28 | 7:53/mi
Half· 13.11 mi
1:40:09
Rank: #12832 (-69)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
1:59:06
Rank: #12728 (+104)
Half → 25K
18:57 | 7:49/mi
30K· 18.64 mi
2:23:22
Rank: #12182 (+546)
25K → 30K
24:16 | 7:49/mi
20M
2:34:37
Rank: #12159 (+23)
30K → 20M
11:15 | 8:17/mi
21M
2:43:34
Rank: #12211 (-52)
20M → 21M
8:57 | 8:57/mi
35K· 21.75 mi
2:49:31
Rank: #12185 (+26)
21M → 35K
5:57 | 7:57/mi
23M
3:00:12
Rank: #12243 (-58)
35K → 23M
10:41 | 8:32/mi
24M
3:08:36
Rank: #12311 (-68)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:16:18
Rank: #12457 (-146)
24M → 40K
7:42 | 9:00/mi
25.2M
3:19:37
Rank: #12515 (-58)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:28:11
Rank: #12643 (-128)
25.2M → Finish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:09
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:48:02
Pace8:14 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4123:227:3123:22
7:31
-
10K
6.21 mi11:37:0046:417:3123:19
7:30
-0:01
15K
9.32 mi12:00:421:10:237:3323:42
7:38
+0:08
20K
12.43 mi12:25:101:34:517:3824:28
7:53
+0:15
Half
13.11 mi12:30:281:40:097:385:18
7:46
-0:07
25K
15.53 mi12:49:251:59:067:4018:57
7:49
+0:03
30K
18.64 mi13:13:412:23:227:4124:16
7:49
0:00
20M
20.00 mi13:24:562:34:377:4411:15
8:17
+0:28
21M
21.00 mi13:33:532:43:347:478:57
8:57
+0:40
35K
21.75 mi13:39:502:49:317:485:57
7:57
-1:00
23M
23.00 mi13:50:313:00:127:5010:41
8:32
+0:35
24M
24.00 mi13:58:553:08:367:528:24
8:24
-0:08
40K
24.85 mi14:06:373:16:187:547:42
9:00
+0:36
25.2M
25.20 mi14:09:563:19:377:553:19
9:37
+0:37
Finish
26.22 mi14:18:303:28:117:578:34
8:24
-1:13

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

7:30 /mi

Average Pace

7:57 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:23

34% of race

Time at Steady Pace

1:18:56

38% of race

Time at Slower Pace

58:52

28% of race

Average Pace: 7:56 /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 mi11:13:4123:227:3123:22
7:31
#12411
10K
6.21 mi11:37:0046:417:3123:19
7:30
#12245
15K
9.32 mi12:00:421:10:237:3323:42
7:38
#12440
20K
12.43 mi12:25:101:34:517:3824:28
7:53
#12763
Half
13.11 mi12:30:281:40:097:385:18
7:46
#12832
25K
15.53 mi12:49:251:59:067:4018:57
7:49
#12728
30K
18.64 mi13:13:412:23:227:4124:16
7:49
#12182
20M
20.00 mi13:24:562:34:377:4411:15
8:17
#12159
21M
21.00 mi13:33:532:43:347:478:57
8:57
#12211
35K
21.75 mi13:39:502:49:317:485:57
7:57
#12185
23M
23.00 mi13:50:313:00:127:5010:41
8:32
#12243
24M
24.00 mi13:58:553:08:367:528:24
8:24
#12311
40K
24.85 mi14:06:373:16:187:547:42
9:00
#12457
25.2M
25.20 mi14:09:563:19:377:553:19
9:37
#12515
Finish
26.22 mi14:18:303:28:117:578:34
8:24
#12643
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi124119357935712843(Top 45%)9448(Top 59%)9448(Top 573%)
10K6.21 mi3.10 mi12245+1669276+819276+8112133(Top 43%)9214(Top 57%)9214(Top 559%)
15K9.32 mi3.11 mi12440-1959331-559331-5512843(Top 45%)9448(Top 59%)9448(Top 573%)
20K12.43 mi3.11 mi12763-3239416-859416-8513867(Top 49%)9809(Top 61%)9809(Top 595%)
Half13.11 mi0.68 mi12832-699440-249440-2413905(Top 49%)9849(Top 61%)9849(Top 598%)
25K15.53 mi2.42 mi12728+1049370+709370+7012461(Top 44%)9051(Top 56%)9051(Top 549%)
30K18.64 mi3.11 mi12182+5469063+3079063+30710054(Top 35%)7708(Top 48%)7708(Top 468%)
20M20.00 mi1.36 mi12159+239016+479016+4712331(Top 43%)8686(Top 54%)8686(Top 527%)
21M21.00 mi1.00 mi12211-528992+248992+2413187(Top 46%)8943(Top 56%)8943(Top 543%)
35K21.75 mi0.75 mi12185+268955+378955+3711916(Top 42%)8286(Top 51%)8286(Top 503%)
23M23.00 mi1.25 mi12243-588946+98946+913499(Top 48%)8935(Top 55%)8935(Top 542%)
24M24.00 mi1.00 mi12311-688950-48950-413842(Top 49%)9067(Top 56%)9067(Top 550%)
40K24.85 mi0.85 mi12457-1468990-408990-4016291(Top 57%)10040(Top 62%)10040(Top 609%)
25.2M25.20 mi0.35 mi12515-589003-139003-1315116(Top 53%)9455(Top 59%)9455(Top 574%)
Finish26.22 mi1.02 mi12643-1289034-319034-3115579(Top 55%)9733(Top 60%)9733(Top 591%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12843

Males

9448

M55-59

9448

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

12133

Males

9214

M55-59

9214

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12843

Males

9448

M55-59

9448

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13867

Males

9809

M55-59

9809

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13905

Males

9849

M55-59

9849

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

12461

Males

9051

M55-59

9051

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

10054

Males

7708

M55-59

7708

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12331

Males

8686

M55-59

8686

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13187

Males

8943

M55-59

8943

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11916

Males

8286

M55-59

8286

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13499

Males

8935

M55-59

8935

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13842

Males

9067

M55-59

9067

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16291

Males

10040

M55-59

10040

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15116

Males

9455

M55-59

9455

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15579

Males

9733

M55-59

9733

Passing Analysis

Category:
Athletes Passed
1904
Passed By
2136
Net Change
-232
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12411
5K → 10K354188+166#12411#12245
10K → 15K120315-195#12245#12440
15K → 20K107430-323#12440#12763
20K → Half1584-69#12763#12832
Half → 25K20197+104#12832#12728
25K → 30K57327+546#12728#12182
30K → 20M131108+23#12182#12159
20M → 21M89141-52#12159#12211
21M → 35K7044+26#12211#12185
35K → 23M88146-58#12185#12243
23M → 24M57125-68#12243#12311
24M → 40K37183-146#12311#12457
40K → 25.2M1977-58#12457#12515
25.2M → Finish43171-128#12515#12643
TOTALS19042136-232
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing