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BOSTON MARATHON 2025

Po-Cheng Wu

Bib: 12001•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
9:32/mi
29:37
↑ 97↓ 3451.5%
10K· 6.21 mi
11:31/mi
1:05:24
↑ 79↓ 1380.4%
15K· 9.32 mi
12:05/mi
1:42:56
↑ 67↓ 78
20K· 12.43 mi
13:17/mi
2:24:12
↑ 106↓ 860.1%
Half· 13.11 mi
10:54/mi
2:31:38
↑ 19↓ 370.5%
25K· 15.53 mi
11:11/mi
2:58:45
↑ 66↓ 880.2%
30K· 18.64 mi
11:34/mi
3:34:42
↑ 181↓ 1480.2%
20M
13:28/mi
3:53:00
↑ 64↓ 500.2%
21M
15:46/mi
4:08:46
↑ 106↓ 241.6%
35K· 21.75 mi
11:26/mi
4:17:19
↑ 17↓ 861.7%
23M
12:49/mi
4:33:22
↑ 23↓ 630.6%
24M
15:59/mi
4:49:21
↓ 821.3%
40K· 24.85 mi
15:49/mi
5:02:52
↓ 200.3%
25.2M
15:05/mi
5:08:04
↑ 13↓ 160.2%
Finish· 26.22 mi
13:11/mi
5:21:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:31:38
Pace11:34 /mi
2nd Half
Distance13.11 mi
Time2:49:52
Pace12:57 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4129:379:3229:37
9:32
-
10K
6.21 mi11:56:281:05:2410:3235:47
11:31
+1:59
15K
9.32 mi12:34:001:42:5611:0337:32
12:05
+0:34
20K
12.43 mi13:15:162:24:1211:3641:16
13:17
+1:12
Half
13.11 mi13:22:422:31:3811:347:26
10:54
-2:23
25K
15.53 mi13:49:492:58:4511:3027:07
11:11
+0:17
30K
18.64 mi14:25:463:34:4211:3135:57
11:34
+0:23
20M
20.00 mi14:44:043:53:0011:3918:18
13:28
+1:54
21M
21.00 mi14:59:504:08:4611:5115:46
15:46
+2:18
35K
21.75 mi15:08:234:17:1911:508:33
11:26
-4:20
23M
23.00 mi15:24:264:33:2211:5316:03
12:49
+1:23
24M
24.00 mi15:40:254:49:2112:0315:59
15:59
+3:10
40K
24.85 mi15:53:565:02:5212:1113:31
15:49
-0:10
25.2M
25.20 mi15:59:085:08:0412:145:12
15:05
-0:44
Finish
26.22 mi16:12:345:21:3012:1613:26
13:11
-1:54

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

9:32 /mi

Average Pace

12:16 /mi

Slowest Pace

15:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:27

45% of race

Time at Steady Pace

2:06:35

39% of race

Time at Slower Pace

50:28

16% of race

Average Pace: 12:16 /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 mi11:20:4129:379:3229:37
9:32
#24350
10K
6.21 mi11:56:281:05:2410:3235:47
11:31
#26541
15K
9.32 mi12:34:001:42:5611:0337:32
12:05
#27136
20K
12.43 mi13:15:162:24:1211:3641:16
13:17
#27483
Half
13.11 mi13:22:422:31:3811:347:26
10:54
#27420
25K
15.53 mi13:49:492:58:4511:3027:07
11:11
#27123
30K
18.64 mi14:25:463:34:4211:3135:57
11:34
#26807
20M
20.00 mi14:44:043:53:0011:3918:18
13:28
#26836
21M
21.00 mi14:59:504:08:4611:5115:46
15:46
#26921
35K
21.75 mi15:08:234:17:1911:508:33
11:26
#26872
23M
23.00 mi15:24:264:33:2211:5316:03
12:49
#26844
24M
24.00 mi15:40:254:49:2112:0315:59
15:59
#26994
40K
24.85 mi15:53:565:02:5212:1113:31
15:49
#27064
25.2M
25.20 mi15:59:085:08:0412:145:12
15:05
#27071
Finish
26.22 mi16:12:345:21:3012:1613:26
13:11
#27113
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi24350144171441727673(Top 97%)15813(Top 98%)15813(Top 663%)
10K6.21 mi3.10 mi26541-219115400-98315400-98327622(Top 97%)15814(Top 98%)15814(Top 663%)
15K9.32 mi3.11 mi27136-59515634-23415634-23427673(Top 97%)15813(Top 98%)15813(Top 663%)
20K12.43 mi3.11 mi27483-34715763-12915763-12927976(Top 98%)15925(Top 99%)15925(Top 667%)
Half13.11 mi0.68 mi27420+6315739+2415739+2426377(Top 93%)15266(Top 95%)15266(Top 640%)
25K15.53 mi2.42 mi27123+29715602+13715602+13725458(Top 90%)14847(Top 92%)14847(Top 622%)
30K18.64 mi3.11 mi26807+31615452+15015452+15024954(Top 88%)14510(Top 90%)14510(Top 608%)
20M20.00 mi1.36 mi26836-2915456-415456-426870(Top 95%)15315(Top 95%)15315(Top 642%)
21M21.00 mi1.00 mi26921-8515490-3415490-3427694(Top 98%)15720(Top 98%)15720(Top 659%)
35K21.75 mi0.75 mi26872+4915465+2515465+2524997(Top 88%)14355(Top 89%)14355(Top 602%)
23M23.00 mi1.25 mi26844+2815442+2315442+2326180(Top 92%)14929(Top 93%)14929(Top 626%)
24M24.00 mi1.00 mi26994-15015497-5515497-5528225(Top 99%)15972(Top 99%)15972(Top 669%)
40K24.85 mi0.85 mi27064-7015518-2115518-2128056(Top 99%)15864(Top 99%)15864(Top 665%)
25.2M25.20 mi0.35 mi27071-715516+215516+227192(Top 96%)15379(Top 95%)15379(Top 645%)
Finish26.22 mi1.02 mi27113-4215530-1415530-1427709(Top 98%)15678(Top 97%)15678(Top 657%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

27673

Males

15813

M45-49

15813

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

27622

Males

15814

M45-49

15814

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

27673

Males

15813

M45-49

15813

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

27976

Males

15925

M45-49

15925

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

26377

Males

15266

M45-49

15266

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

25458

Males

14847

M45-49

14847

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

24954

Males

14510

M45-49

14510

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

26870

Males

15315

M45-49

15315

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

27694

Males

15720

M45-49

15720

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

24997

Males

14355

M45-49

14355

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26180

Males

14929

M45-49

14929

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

28225

Males

15972

M45-49

15972

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28056

Males

15864

M45-49

15864

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27192

Males

15379

M45-49

15379

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

27709

Males

15678

M45-49

15678

Passing Analysis

Category:
Athletes Passed
860
Passed By
3623
Net Change
-2763
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24350
5K → 10K52196-2191#24350#26541
10K → 15K12607-595#26541#27136
15K → 20K11358-347#27136#27483
20K → Half641+63#27483#27420
Half → 25K2981+297#27420#27123
25K → 30K3204+316#27123#26807
30K → 20M2655-29#26807#26836
20M → 21M893-85#26836#26921
21M → 35K512+49#26921#26872
35K → 23M4113+28#26872#26844
23M → 24M6156-150#26844#26994
24M → 40K373-70#26994#27064
40K → 25.2M815-7#27064#27071
25.2M → Finish749-42#27071#27113
TOTALS8603623-2763
📊

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