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BOSTON MARATHON 2025

Yu Fu

Bib: 32354•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:53/mi
27:37
↑ 97↓ 3451.5%
10K· 6.21 mi
9:01/mi
55:38
↑ 79↓ 1380.4%
15K· 9.32 mi
9:35/mi
1:25:24
↑ 67↓ 78
20K· 12.43 mi
11:16/mi
2:00:25
↑ 106↓ 860.1%
Half· 13.11 mi
10:01/mi
2:07:15
↑ 19↓ 370.5%
25K· 15.53 mi
10:28/mi
2:32:37
↑ 66↓ 880.2%
30K· 18.64 mi
11:44/mi
3:09:03
↑ 181↓ 1480.2%
20M
11:27/mi
3:24:36
↑ 64↓ 500.2%
21M
13:29/mi
3:38:05
↑ 106↓ 241.6%
35K· 21.75 mi
11:28/mi
3:46:40
↑ 17↓ 861.7%
23M
11:22/mi
4:00:54
↑ 23↓ 630.6%
24M
11:07/mi
4:12:01
↓ 821.3%
40K· 24.85 mi
12:59/mi
4:23:07
↓ 200.3%
25.2M
13:35/mi
4:27:48
↑ 13↓ 160.2%
Finish· 26.22 mi
11:07/mi
4:39:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:15
Pace9:42 /mi
2nd Half
Distance13.11 mi
Time2:31:53
Pace11:35 /mi
📊Positive Split: 19.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2927:378:5327:37
8:53
-
10K
6.21 mi12:19:3055:388:5728:01
9:01
+0:08
15K
9.32 mi12:49:161:25:249:1029:46
9:35
+0:34
20K
12.43 mi13:24:172:00:259:4135:01
11:16
+1:41
Half
13.11 mi13:31:072:07:159:426:50
10:01
-1:15
25K
15.53 mi13:56:292:32:379:4925:22
10:28
+0:27
30K
18.64 mi14:32:553:09:0310:0836:26
11:44
+1:16
20M
20.00 mi14:48:283:24:3610:1415:33
11:27
-0:17
21M
21.00 mi15:01:573:38:0510:2313:29
13:29
+2:02
35K
21.75 mi15:10:323:46:4010:258:35
11:28
-2:01
23M
23.00 mi15:24:464:00:5410:2814:14
11:22
-0:06
24M
24.00 mi15:35:534:12:0110:3011:07
11:07
-0:15
40K
24.85 mi15:46:594:23:0710:3511:06
12:59
+1:52
25.2M
25.20 mi15:51:404:27:4810:384:41
13:35
+0:36
Finish
26.22 mi16:03:004:39:0810:3911:20
11:07
-2:28

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

8:53 /mi

Average Pace

10:39 /mi

Slowest Pace

13:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:36

42% of race

Time at Steady Pace

2:12:16

47% of race

Time at Slower Pace

29:16

10% of race

Average Pace: 10:39 /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 mi11:51:2927:378:5327:37
8:53
#21945
10K
6.21 mi12:19:3055:388:5728:01
9:01
#22222
15K
9.32 mi12:49:161:25:249:1029:46
9:35
#22941
20K
12.43 mi13:24:172:00:259:4135:01
11:16
#24278
Half
13.11 mi13:31:072:07:159:426:50
10:01
#24308
25K
15.53 mi13:56:292:32:379:4925:22
10:28
#24314
30K
18.64 mi14:32:553:09:0310:0836:26
11:44
#24540
20M
20.00 mi14:48:283:24:3610:1415:33
11:27
#24550
21M
21.00 mi15:01:573:38:0510:2313:29
13:29
#24642
35K
21.75 mi15:10:323:46:4010:258:35
11:28
#24674
23M
23.00 mi15:24:464:00:5410:2814:14
11:22
#24645
24M
24.00 mi15:35:534:12:0110:3011:07
11:07
#24613
40K
24.85 mi15:46:594:23:0710:3511:06
12:59
#24716
25.2M
25.20 mi15:51:404:27:4810:384:41
13:35
#24732
Finish
26.22 mi16:03:004:39:0810:3911:20
11:07
#24786
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi21945132911329123953(Top 84%)14254(Top 89%)14254(Top 634%)
10K6.21 mi3.10 mi22222-27713425-13413425-13422459(Top 79%)13560(Top 84%)13560(Top 603%)
15K9.32 mi3.11 mi22941-71913790-36513790-36523953(Top 84%)14254(Top 89%)14254(Top 634%)
20K12.43 mi3.11 mi24278-133714369-57914369-57926365(Top 93%)15288(Top 95%)15288(Top 680%)
Half13.11 mi0.68 mi24308-3014372-314372-324856(Top 88%)14595(Top 91%)14595(Top 650%)
25K15.53 mi2.42 mi24314-614363+914363+924294(Top 86%)14327(Top 89%)14327(Top 638%)
30K18.64 mi3.11 mi24540-22614452-8914452-8925187(Top 89%)14620(Top 91%)14620(Top 651%)
20M20.00 mi1.36 mi24550-1014446+614446+624451(Top 86%)14195(Top 88%)14195(Top 632%)
21M21.00 mi1.00 mi24642-9214471-2514471-2525657(Top 90%)14707(Top 91%)14707(Top 655%)
35K21.75 mi0.75 mi24674-3214477-614477-625048(Top 88%)14374(Top 89%)14374(Top 640%)
23M23.00 mi1.25 mi24645+2914442+3514442+3524024(Top 85%)13853(Top 86%)13853(Top 617%)
24M24.00 mi1.00 mi24613+3214415+2714415+2724223(Top 85%)13933(Top 87%)13933(Top 620%)
40K24.85 mi0.85 mi24716-10314449-3414449-3426281(Top 93%)14930(Top 93%)14930(Top 664%)
25.2M25.20 mi0.35 mi24732-16144491444925783(Top 91%)14634(Top 91%)14634(Top 651%)
Finish26.22 mi1.02 mi24786-5414467-1814467-1825590(Top 90%)14572(Top 90%)14572(Top 649%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23953

Males

14254

M40-44

14254

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22459

Males

13560

M40-44

13560

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23953

Males

14254

M40-44

14254

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

26365

Males

15288

M40-44

15288

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

24856

Males

14595

M40-44

14595

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24294

Males

14327

M40-44

14327

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25187

Males

14620

M40-44

14620

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24451

Males

14195

M40-44

14195

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

25657

Males

14707

M40-44

14707

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

25048

Males

14374

M40-44

14374

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24024

Males

13853

M40-44

13853

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

24223

Males

13933

M40-44

13933

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

26281

Males

14930

M40-44

14930

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25783

Males

14634

M40-44

14634

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

25590

Males

14572

M40-44

14572

Passing Analysis

Category:
Athletes Passed
663
Passed By
3504
Net Change
-2841
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21945
5K → 10K155432-277#21945#22222
10K → 15K43762-719#22222#22941
15K → 20K71344-1337#22941#24278
20K → Half1343-30#24278#24308
Half → 25K112118-6#24308#24314
25K → 30K64290-226#24314#24540
30K → 20M4757-10#24540#24550
20M → 21M37129-92#24550#24642
21M → 35K2355-32#24642#24674
35K → 23M6940+29#24674#24645
23M → 24M5220+32#24645#24613
24M → 40K9112-103#24613#24716
40K → 25.2M1228-16#24716#24732
25.2M → Finish2074-54#24732#24786
TOTALS6633504-2841
📊

Passing Visuals

Category:
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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