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BOSTON MARATHON 2025

Lo Wing Hung

Bib: 7250•M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:17
Rank: #12190
Start → 5K
23:17 | 7:30/mi
10K· 6.21 mi
48:35
Rank: #14927 (-2737)
5K → 10K
25:18 | 8:09/mi
15K· 9.32 mi
1:15:40
Rank: #17208 (-2281)
10K → 15K
27:05 | 8:43/mi
20K· 12.43 mi
1:41:05
Rank: #16927 (+281)
15K → 20K
25:25 | 8:11/mi
Half· 13.11 mi
1:46:25
Rank: #16792 (+135)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:06:26
Rank: #16565 (+227)
Half → 25K
20:01 | 8:15/mi
30K· 18.64 mi
2:33:26
Rank: #16408 (+157)
25K → 30K
27:00 | 8:41/mi
20M
2:45:05
Rank: #16219 (+189)
30K → 20M
11:39 | 8:34/mi
21M
2:54:50
Rank: #16224 (-5)
20M → 21M
9:45 | 9:45/mi
35K· 21.75 mi
3:01:43
Rank: #16316 (-92)
21M → 35K
6:53 | 9:12/mi
23M
3:12:55
Rank: #16249 (+67)
35K → 23M
11:12 | 8:57/mi
24M
3:21:22
Rank: #16140 (+109)
23M → 24M
8:27 | 8:27/mi
40K· 24.85 mi
3:28:45
Rank: #16073 (+67)
24M → 40K
7:23 | 8:38/mi
25.2M
3:32:10
Rank: #16067 (+6)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:40:25
Rank: #15972 (+95)
25.2M → Finish
8:15 | 8:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:25
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:54:00
Pace8:42 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:0923:177:3023:17
7:30
-
10K
6.21 mi10:54:2748:357:4925:18
8:09
+0:39
15K
9.32 mi11:21:321:15:408:0727:05
8:43
+0:34
20K
12.43 mi11:46:571:41:058:0825:25
8:11
-0:32
Half
13.11 mi11:52:171:46:258:075:20
7:49
-0:22
25K
15.53 mi12:12:182:06:268:0820:01
8:15
+0:26
30K
18.64 mi12:39:182:33:268:1427:00
8:41
+0:26
20M
20.00 mi12:50:572:45:058:1511:39
8:34
-0:07
21M
21.00 mi13:00:422:54:508:209:45
9:45
+1:11
35K
21.75 mi13:07:353:01:438:216:53
9:12
-0:33
23M
23.00 mi13:18:473:12:558:2311:12
8:57
-0:15
24M
24.00 mi13:27:143:21:228:238:27
8:27
-0:30
40K
24.85 mi13:34:373:28:458:247:23
8:38
+0:11
25.2M
25.20 mi13:38:023:32:108:253:25
9:54
+1:16
Finish
26.22 mi13:46:173:40:258:258:15
8:06
-1:48

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

8:25 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:35

40% of race

Time at Steady Pace

1:41:35

46% of race

Time at Slower Pace

31:15

14% of race

Average Pace: 8:24 /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 mi10:29:0923:177:3023:17
7:30
#12190
10K
6.21 mi10:54:2748:357:4925:18
8:09
#14927
15K
9.32 mi11:21:321:15:408:0727:05
8:43
#17208
20K
12.43 mi11:46:571:41:058:0825:25
8:11
#16927
Half
13.11 mi11:52:171:46:258:075:20
7:49
#16792
25K
15.53 mi12:12:182:06:268:0820:01
8:15
#16565
30K
18.64 mi12:39:182:33:268:1427:00
8:41
#16408
20M
20.00 mi12:50:572:45:058:1511:39
8:34
#16219
21M
21.00 mi13:00:422:54:508:209:45
9:45
#16224
35K
21.75 mi13:07:353:01:438:216:53
9:12
#16316
23M
23.00 mi13:18:473:12:558:2311:12
8:57
#16249
24M
24.00 mi13:27:143:21:228:238:27
8:27
#16140
40K
24.85 mi13:34:373:28:458:247:23
8:38
#16073
25.2M
25.20 mi13:38:023:32:108:253:25
9:54
#16067
Finish
26.22 mi13:46:173:40:258:258:15
8:06
#15972
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi121909264926420573(Top 72%)12760(Top 79%)12760(Top 226%)
10K6.21 mi3.10 mi14927-273710374-111010374-111017484(Top 62%)11443(Top 71%)11443(Top 203%)
15K9.32 mi3.11 mi17208-228111321-94711321-94720573(Top 72%)12760(Top 79%)12760(Top 226%)
20K12.43 mi3.11 mi16927+28111179+14211179+14216170(Top 57%)10809(Top 67%)10809(Top 192%)
Half13.11 mi0.68 mi16792+13511137+4211137+4214378(Top 51%)10071(Top 63%)10071(Top 179%)
25K15.53 mi2.42 mi16565+22711014+12311014+12315639(Top 55%)10505(Top 65%)10505(Top 186%)
30K18.64 mi3.11 mi16408+15710886+12810886+12815932(Top 56%)10466(Top 65%)10466(Top 186%)
20M20.00 mi1.36 mi16219+18910780+10610780+10614244(Top 50%)9577(Top 59%)9577(Top 170%)
21M21.00 mi1.00 mi16224-510755+2510755+2517237(Top 61%)10796(Top 67%)10796(Top 191%)
35K21.75 mi0.75 mi16316-9210775-2010775-2019147(Top 67%)11565(Top 72%)11565(Top 205%)
23M23.00 mi1.25 mi16249+6710713+6210713+6215929(Top 56%)10041(Top 62%)10041(Top 178%)
24M24.00 mi1.00 mi16140+10910639+7410639+7414195(Top 50%)9237(Top 57%)9237(Top 164%)
40K24.85 mi0.85 mi16073+6710580+5910580+5914258(Top 50%)9123(Top 57%)9123(Top 162%)
25.2M25.20 mi0.35 mi16067+610573+710573+716550(Top 58%)10143(Top 63%)10143(Top 180%)
Finish26.22 mi1.02 mi15972+9510514+5910514+5913551(Top 48%)8796(Top 55%)8796(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20573

Males

12760

M18-39

12760

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17484

Males

11443

M18-39

11443

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20573

Males

12760

M18-39

12760

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

16170

Males

10809

M18-39

10809

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14378

Males

10071

M18-39

10071

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15639

Males

10505

M18-39

10505

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15932

Males

10466

M18-39

10466

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14244

Males

9577

M18-39

9577

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

17237

Males

10796

M18-39

10796

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

19147

Males

11565

M18-39

11565

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15929

Males

10041

M18-39

10041

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14195

Males

9237

M18-39

9237

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14258

Males

9123

M18-39

9123

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16550

Males

10143

M18-39

10143

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13551

Males

8796

M18-39

8796

Passing Analysis

Category:
Athletes Passed
1931
Passed By
5713
Net Change
-3782
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12190
5K → 10K62743-2737#12190#14927
10K → 15K92290-2281#14927#17208
15K → 20K34261+281#17208#16927
20K → Half1350+135#16927#16792
Half → 25K27144+227#16792#16565
25K → 30K303146+157#16565#16408
30K → 20M20213+189#16408#16219
20M → 21M105110-5#16219#16224
21M → 35K37129-92#16224#16316
35K → 23M14174+67#16316#16249
23M → 24M13021+109#16249#16140
24M → 40K9528+67#16140#16073
40K → 25.2M4236+6#16073#16067
25.2M → Finish11318+95#16067#15972
TOTALS19315713-3782
📊

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