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BOSTON MARATHON 2025

Ying Wai Fung

Bib: 5621 M HK

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:45/mi
20:59
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:51/mi
42:17
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:51/mi
1:03:33
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:29/mi
1:26:49
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:14/mi
1:31:45
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:56/mi
1:51:00
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:53/mi
2:15:31
↑ 181↓ 1480.2%
138 ft elev
20M
8:10/mi
2:26:37
↑ 64↓ 500.2%
148 ft elev
21M
8:53/mi
2:35:30
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:41/mi
2:41:15
↑ 17↓ 861.7%
156 ft elev
23M
7:56/mi
2:51:11
↑ 23↓ 630.6%
116 ft elev
24M
7:51/mi
2:59:02
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:03/mi
3:05:55
↓ 200.3%
20 ft elev
25.2M
8:45/mi
3:08:56
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:41/mi
3:16:46
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:31:457:00 /mi⚡ faster
2nd Half
1:45:018:01 /mi+14.5%
Positive split — 14.5% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
20:596:453.11 mi20:59
6:45
-
10K
42:176:483.10 mi21:18
6:51
+0:06
15K
1:03:336:493.11 mi21:16
6:51
0:00
20K
1:26:496:593.11 mi23:16
7:29
+0:38
Half(13.11 mi)
1:31:457:000.68 mi4:56
7:14
-0:15
25K
1:51:007:092.42 mi19:15
7:56
+0:42
30K
2:15:317:163.11 mi24:31
7:53
-0:03
20M
2:26:377:201.36 mi11:06
8:10
+0:17
21M
2:35:307:241.00 mi8:53
8:53
+0:43
35K
2:41:157:250.75 mi5:45
7:41
-1:12
23M
2:51:117:271.25 mi9:56
7:56
+0:15
24M
2:59:027:281.00 mi7:51
7:51
-0:05
40K
3:05:557:290.85 mi6:53
8:03
+0:12
25.2M
3:08:567:300.35 mi3:01
8:45
+0:42
Finish(26.22 mi)
3:16:467:311.02 mi7:50
7:41
-1:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:45 /mi

Average Pace

7:31 /mi

Slowest Pace

8:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:31:45

47% of race

Time at Steady Pace

1:22:01

42% of race

Time at Slower Pace

23:00

12% of race

Average Pace: 7:30 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi595454805480653158935893
10K3.10 mi6350-3965803-3235803-323692762216221
15K3.11 mi6385-355815-125815-12653158935893
20K3.11 mi7408-10236564-7496564-7491064583268326
Half(13.11 mi)0.68 mi7488-806620-566620-56930376467646
25K2.42 mi8255-7677088-4687088-4681339894729472
30K3.11 mi8591-3367235-1477235-1471055279567956
20M1.36 mi8783-1927306-717306-711155883078307
21M1.00 mi9027-2447418-1127418-1121277687178717
35K0.75 mi9046-197410+87410+8992073207320
23M1.25 mi9012+347343+677343+67951069816981
24M1.00 mi9027-157322+217322+211015572367236
40K0.85 mi9064-377308+147308+141052473097309
25.2M0.35 mi9074-107298+107298+101022670507050
Finish(26.22 mi)1.02 mi9113-397273+257273+251058272907290

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6531

Males

5893

M18-39

5893

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6927

Males

6221

M18-39

6221

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6531

Males

5893

M18-39

5893

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

10645

Males

8326

M18-39

8326

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

9303

Males

7646

M18-39

7646

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

13398

Males

9472

M18-39

9472

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

10552

Males

7956

M18-39

7956

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

11558

Males

8307

M18-39

8307

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12776

Males

8717

M18-39

8717

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9920

Males

7320

M18-39

7320

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

9510

Males

6981

M18-39

6981

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10155

Males

7236

M18-39

7236

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10524

Males

7309

M18-39

7309

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10226

Males

7050

M18-39

7050

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

10582

Males

7290

M18-39

7290

Passing Analysis

Category:
Passed
883
Passed By
4042
Net Change
-3159
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5954
5K → 10K70466-396#5954#6350
10K → 15K137172-35#6350#6385
15K → 20K131036-1023#6385#7408
20K → Half888-80#7408#7488
Half → 25K19786-767#7488#8255
25K → 30K119455-336#8255#8591
30K → 20M52244-192#8591#8783
20M → 21M40284-244#8783#9027
21M → 35K5473-19#9027#9046
35K → 23M13197+34#9046#9012
23M → 24M6681-15#9012#9027
24M → 40K74111-37#9027#9064
40K → 25.2M3141-10#9064#9074
25.2M → Finish69108-39#9074#9113
TOTALS8834042-3159

Passing Charts

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