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BOSTON MARATHON 2025

Harris Wu

Bib: 12840•M

VA

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 48%
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
22:36
Rank: #10089
Start → 5K
22:36 | 7:16/mi
10K· 6.21 mi
45:21
Rank: #10326 (-237)
5K → 10K
22:45 | 7:19/mi
15K· 9.32 mi
1:09:04
Rank: #11156 (-830)
10K → 15K
23:43 | 7:38/mi
20K· 12.43 mi
1:33:33
Rank: #11871 (-715)
15K → 20K
24:29 | 7:53/mi
Half· 13.11 mi
1:38:45
Rank: #11914 (-43)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:58:11
Rank: #12255 (-341)
Half → 25K
19:26 | 8:01/mi
30K· 18.64 mi
2:24:21
Rank: #12608 (-353)
25K → 30K
26:10 | 8:25/mi
20M
2:35:49
Rank: #12648 (-40)
30K → 20M
11:28 | 8:26/mi
21M
2:45:01
Rank: #12761 (-113)
20M → 21M
9:12 | 9:12/mi
35K· 21.75 mi
2:51:03
Rank: #12762 (-1)
21M → 35K
6:02 | 8:04/mi
23M
3:01:45
Rank: #12773 (-11)
35K → 23M
10:42 | 8:33/mi
24M
3:10:12
Rank: #12839 (-66)
23M → 24M
8:27 | 8:27/mi
40K· 24.85 mi
3:17:25
Rank: #12839
24M → 40K
7:13 | 8:26/mi
25.2M
3:20:35
Rank: #12833 (+6)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:28:55
Rank: #12877 (-44)
25.2M → Finish
8:20 | 8:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:45
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:50:10
Pace8:24 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2722:367:1622:36
7:16
-
10K
6.21 mi11:14:1245:217:1822:45
7:19
+0:03
15K
9.32 mi11:37:551:09:047:2523:43
7:38
+0:19
20K
12.43 mi12:02:241:33:337:3224:29
7:53
+0:15
Half
13.11 mi12:07:361:38:457:325:12
7:37
-0:16
25K
15.53 mi12:27:021:58:117:3619:26
8:01
+0:24
30K
18.64 mi12:53:122:24:217:4526:10
8:25
+0:24
20M
20.00 mi13:04:402:35:497:4711:28
8:26
+0:01
21M
21.00 mi13:13:522:45:017:519:12
9:12
+0:46
35K
21.75 mi13:19:542:51:037:526:02
8:04
-1:08
23M
23.00 mi13:30:363:01:457:5410:42
8:33
+0:29
24M
24.00 mi13:39:033:10:127:568:27
8:27
-0:06
40K
24.85 mi13:46:163:17:257:577:13
8:26
-0:01
25.2M
25.20 mi13:49:263:20:357:583:10
9:11
+0:45
Finish
26.22 mi13:57:463:28:557:588:20
8:11
-1:00

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

7:16 /mi

Average Pace

7:58 /mi

Slowest Pace

9:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:38:45

47% of race

Time at Steady Pace

1:27:06

42% of race

Time at Slower Pace

23:04

11% of race

Average Pace: 7:58 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:51:2722:367:1622:36
7:16
#10089
10K
6.21 mi11:14:1245:217:1822:45
7:19
#10326
15K
9.32 mi11:37:551:09:047:2523:43
7:38
#11156
20K
12.43 mi12:02:241:33:337:3224:29
7:53
#11871
Half
13.11 mi12:07:361:38:457:325:12
7:37
#11914
25K
15.53 mi12:27:021:58:117:3619:26
8:01
#12255
30K
18.64 mi12:53:122:24:217:4526:10
8:25
#12608
20M
20.00 mi13:04:402:35:497:4711:28
8:26
#12648
21M
21.00 mi13:13:522:45:017:519:12
9:12
#12761
35K
21.75 mi13:19:542:51:037:526:02
8:04
#12762
23M
23.00 mi13:30:363:01:457:5410:42
8:33
#12773
24M
24.00 mi13:39:033:10:127:568:27
8:27
#12839
40K
24.85 mi13:46:163:17:257:577:13
8:26
#12839
25.2M
25.20 mi13:49:263:20:357:583:10
9:11
#12833
Finish
26.22 mi13:57:463:28:557:588:20
8:11
#12877
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi100898223822312906(Top 45%)9472(Top 59%)9472(Top 475%)
10K6.21 mi3.10 mi10326-2378332-1098332-10910529(Top 37%)8429(Top 52%)8429(Top 422%)
15K9.32 mi3.11 mi11156-8308734-4028734-40212906(Top 45%)9472(Top 59%)9472(Top 475%)
20K12.43 mi3.11 mi11871-7159037-3039037-30313915(Top 49%)9829(Top 61%)9829(Top 492%)
Half13.11 mi0.68 mi11914-439049-129049-1212713(Top 45%)9336(Top 58%)9336(Top 468%)
25K15.53 mi2.42 mi12255-3419172-1239172-12313988(Top 49%)9742(Top 60%)9742(Top 488%)
30K18.64 mi3.11 mi12608-3539249-779249-7714259(Top 50%)9707(Top 60%)9707(Top 486%)
20M20.00 mi1.36 mi12648-409231+189231+1813366(Top 47%)9152(Top 57%)9152(Top 459%)
21M21.00 mi1.00 mi12761-1139247-169247-1614599(Top 51%)9610(Top 60%)9610(Top 481%)
35K21.75 mi0.75 mi12762-19229+189229+1812661(Top 45%)8647(Top 54%)8647(Top 433%)
23M23.00 mi1.25 mi12773-119200+299200+2913579(Top 48%)8971(Top 56%)8971(Top 449%)
24M24.00 mi1.00 mi12839-669194+69194+614179(Top 50%)9221(Top 57%)9221(Top 462%)
40K24.85 mi0.85 mi128399165+299165+2913017(Top 46%)8532(Top 53%)8532(Top 427%)
25.2M25.20 mi0.35 mi12833+69148+179148+1712777(Top 45%)8362(Top 52%)8362(Top 419%)
Finish26.22 mi1.02 mi12877-449148914814103(Top 50%)9062(Top 56%)9062(Top 454%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21stories
+97ft-345ft

Overall

12906

Males

9472

M50-54

9472

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10529

Males

8429

M50-54

8429

10K→15K

6.2 - 9.3 mi

Top 45%
×3stories
+67ft-78ft

Overall

12906

Males

9472

M50-54

9472

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13915

Males

9829

M50-54

9829

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12713

Males

9336

M50-54

9336

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

13988

Males

9742

M50-54

9742

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

14259

Males

9707

M50-54

9707

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13366

Males

9152

M50-54

9152

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

14599

Males

9610

M50-54

9610

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12661

Males

8647

M50-54

8647

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13579

Males

8971

M50-54

8971

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14179

Males

9221

M50-54

9221

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13017

Males

8532

M50-54

8532

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12777

Males

8362

M50-54

8362

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14103

Males

9062

M50-54

9062

Passing Analysis

Category:
Athletes Passed
1068
Passed By
3855
Net Change
-2788
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10089
5K → 10K151387-237#10089#10326
10K → 15K45875-830#10326#11156
15K → 20K46761-715#11156#11871
20K → Half2467-43#11871#11914
Half → 25K79420-341#11914#12255
25K → 30K151504-353#12255#12608
30K → 20M99139-40#12608#12648
20M → 21M80193-113#12648#12761
21M → 35K5859-1#12761#12762
35K → 23M107118-11#12762#12773
23M → 24M58124-66#12773#12839
24M → 40K72720#12839#12839
40K → 25.2M4236+6#12839#12833
25.2M → Finish56100-44#12833#12877
TOTALS10683855-2788
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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