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BOSTON MARATHON 2025

Jiapeng Wu

Bib: 8817•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 44%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 47%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:26
Rank: #7083
Start → 5K
21:26 | 6:54/mi
10K· 6.21 mi
43:58
Rank: #8474 (-1391)
5K → 10K
22:32 | 7:15/mi
15K· 9.32 mi
1:06:52
Rank: #9104 (-630)
10K → 15K
22:54 | 7:22/mi
20K· 12.43 mi
1:30:52
Rank: #9975 (-871)
15K → 20K
24:00 | 7:43/mi
Half· 13.11 mi
1:36:03
Rank: #10111 (-136)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:56:09
Rank: #11144 (-1033)
Half → 25K
20:06 | 8:17/mi
30K· 18.64 mi
2:22:38
Rank: #11819 (-675)
25K → 30K
26:29 | 8:31/mi
20M
2:34:16
Rank: #12025 (-206)
30K → 20M
11:38 | 8:34/mi
21M
2:43:54
Rank: #12337 (-312)
20M → 21M
9:38 | 9:38/mi
35K· 21.75 mi
2:49:58
Rank: #12345 (-8)
21M → 35K
6:04 | 8:07/mi
23M
3:01:13
Rank: #12599 (-254)
35K → 23M
11:15 | 8:59/mi
24M
3:09:30
Rank: #12601 (-2)
23M → 24M
8:17 | 8:17/mi
40K· 24.85 mi
3:16:42
Rank: #12608 (-7)
24M → 40K
7:12 | 8:25/mi
25.2M
3:19:59
Rank: #12637 (-29)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:27:44
Rank: #12501 (+136)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:03
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:51:41
Pace8:31 /mi
📊Positive Split: 16.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3221:266:5421:26
6:54
-
10K
6.21 mi11:09:0443:587:0522:32
7:15
+0:21
15K
9.32 mi11:31:581:06:527:1022:54
7:22
+0:07
20K
12.43 mi11:55:581:30:527:1924:00
7:43
+0:21
Half
13.11 mi12:01:091:36:037:205:11
7:36
-0:07
25K
15.53 mi12:21:151:56:097:2920:06
8:17
+0:41
30K
18.64 mi12:47:442:22:387:3926:29
8:31
+0:14
20M
20.00 mi12:59:222:34:167:4311:38
8:34
+0:03
21M
21.00 mi13:09:002:43:547:489:38
9:38
+1:04
35K
21.75 mi13:15:042:49:587:496:04
8:07
-1:31
23M
23.00 mi13:26:193:01:137:5311:15
8:59
+0:52
24M
24.00 mi13:34:363:09:307:548:17
8:17
-0:42
40K
24.85 mi13:41:483:16:427:557:12
8:25
+0:08
25.2M
25.20 mi13:45:053:19:597:563:17
9:31
+1:06
Finish
26.22 mi13:52:503:27:447:567:45
7:36
-1:55

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

6:54 /mi

Average Pace

7:56 /mi

Slowest Pace

9:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:48

50% of race

Time at Steady Pace

1:19:46

38% of race

Time at Slower Pace

24:10

12% of race

Average Pace: 7:55 /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 mi10:46:3221:266:5421:26
6:54
#7083
10K
6.21 mi11:09:0443:587:0522:32
7:15
#8474
15K
9.32 mi11:31:581:06:527:1022:54
7:22
#9104
20K
12.43 mi11:55:581:30:527:1924:00
7:43
#9975
Half
13.11 mi12:01:091:36:037:205:11
7:36
#10111
25K
15.53 mi12:21:151:56:097:2920:06
8:17
#11144
30K
18.64 mi12:47:442:22:387:3926:29
8:31
#11819
20M
20.00 mi12:59:222:34:167:4311:38
8:34
#12025
21M
21.00 mi13:09:002:43:547:489:38
9:38
#12337
35K
21.75 mi13:15:042:49:587:496:04
8:07
#12345
23M
23.00 mi13:26:193:01:137:5311:15
8:59
#12599
24M
24.00 mi13:34:363:09:307:548:17
8:17
#12601
40K
24.85 mi13:41:483:16:427:557:12
8:25
#12608
25.2M
25.20 mi13:45:053:19:597:563:17
9:31
#12637
Finish
26.22 mi13:52:503:27:447:567:45
7:36
#12501
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi70836370637010595(Top 37%)8398(Top 52%)8398(Top 352%)
10K6.21 mi3.10 mi8474-13917285-9157285-9159942(Top 35%)8109(Top 50%)8109(Top 340%)
15K9.32 mi3.11 mi9104-6307645-3607645-36010595(Top 37%)8398(Top 52%)8398(Top 352%)
20K12.43 mi3.11 mi9975-8718095-4508095-45012619(Top 44%)9251(Top 57%)9251(Top 388%)
Half13.11 mi0.68 mi10111-1368163-688163-6812506(Top 44%)9236(Top 57%)9236(Top 387%)
25K15.53 mi2.42 mi11144-10338648-4858648-48515839(Top 56%)10570(Top 66%)10570(Top 443%)
30K18.64 mi3.11 mi11819-6758883-2358883-23514893(Top 52%)10004(Top 62%)10004(Top 419%)
20M20.00 mi1.36 mi12025-2068945-628945-6214143(Top 50%)9514(Top 59%)9514(Top 399%)
21M21.00 mi1.00 mi12337-3129053-1089053-10816673(Top 59%)10546(Top 65%)10546(Top 442%)
35K21.75 mi0.75 mi12345-89026+279026+2712955(Top 46%)8779(Top 55%)8779(Top 368%)
23M23.00 mi1.25 mi12599-2549117-919117-9116146(Top 57%)10135(Top 63%)10135(Top 425%)
24M24.00 mi1.00 mi12601-29092+259092+2513120(Top 46%)8704(Top 54%)8704(Top 365%)
40K24.85 mi0.85 mi12608-79067+259067+2512896(Top 45%)8475(Top 53%)8475(Top 355%)
25.2M25.20 mi0.35 mi12637-299064+39064+314628(Top 51%)9221(Top 57%)9221(Top 386%)
Finish26.22 mi1.02 mi12501+1368963+1018963+1019961(Top 35%)6970(Top 43%)6970(Top 292%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10595

Males

8398

M45-49

8398

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9942

Males

8109

M45-49

8109

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10595

Males

8398

M45-49

8398

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

12619

Males

9251

M45-49

9251

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

12506

Males

9236

M45-49

9236

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

15839

Males

10570

M45-49

10570

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14893

Males

10004

M45-49

10004

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14143

Males

9514

M45-49

9514

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16673

Males

10546

M45-49

10546

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12955

Males

8779

M45-49

8779

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16146

Males

10135

M45-49

10135

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

13120

Males

8704

M45-49

8704

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12896

Males

8475

M45-49

8475

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14628

Males

9221

M45-49

9221

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9961

Males

6970

M45-49

6970

Passing Analysis

Category:
Athletes Passed
772
Passed By
6188
Net Change
-5418
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7083
5K → 10K151406-1391#7083#8474
10K → 15K45675-630#8474#9104
15K → 20K40910-871#9104#9975
20K → Half5140-136#9975#10111
Half → 25K341067-1033#10111#11144
25K → 30K81756-675#11144#11819
30K → 20M62268-206#11819#12025
20M → 21M39351-312#12025#12337
21M → 35K5866-8#12337#12345
35K → 23M62316-254#12345#12599
23M → 24M7274-2#12599#12601
24M → 40K7986-7#12601#12608
40K → 25.2M2655-29#12608#12637
25.2M → Finish15418+136#12637#12501
TOTALS7726188-5418
📊

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