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BOSTON MARATHON 2025

Junming Yu

Bib: 7629•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 30%
Masters (Masters Men)
#0 / 10463
Top 16%
Division (M50-54)
#0 / 1996
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:27
Rank: #4448
Start → 5K
20:27 | 6:35/mi
10K· 6.21 mi
41:25
Rank: #5060 (-612)
5K → 10K
20:58 | 6:45/mi
15K· 9.32 mi
1:02:27
Rank: #5263 (-203)
10K → 15K
21:02 | 6:46/mi
20K· 12.43 mi
1:23:49
Rank: #5426 (-163)
15K → 20K
21:22 | 6:53/mi
Half· 13.11 mi
1:28:18
Rank: #5331 (+95)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:44:59
Rank: #5351 (-20)
Half → 25K
16:41 | 6:53/mi
30K· 18.64 mi
2:06:57
Rank: #5256 (+95)
25K → 30K
21:58 | 7:04/mi
20M
2:16:45
Rank: #5248 (+8)
30K → 20M
9:48 | 7:13/mi
21M
2:24:25
Rank: #5246 (+2)
20M → 21M
7:40 | 7:40/mi
35K· 21.75 mi
2:29:44
Rank: #5276 (-30)
21M → 35K
5:19 | 7:06/mi
23M
2:38:48
Rank: #5221 (+55)
35K → 23M
9:04 | 7:14/mi
24M
2:46:04
Rank: #5229 (-8)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
2:52:27
Rank: #5228 (+1)
24M → 40K
6:23 | 7:28/mi
25.2M
2:55:22
Rank: #5248 (-20)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:02:53
Rank: #5288 (-40)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:18
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:34:35
Pace7:13 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:0320:276:3520:27
6:35
-
10K
6.21 mi10:50:0141:256:4020:58
6:45
+0:10
15K
9.32 mi11:11:031:02:276:4221:02
6:46
+0:01
20K
12.43 mi11:32:251:23:496:4521:22
6:53
+0:07
Half
13.11 mi11:36:541:28:186:444:29
6:34
-0:19
25K
15.53 mi11:53:351:44:596:4516:41
6:53
+0:19
30K
18.64 mi12:15:332:06:576:4921:58
7:04
+0:11
20M
20.00 mi12:25:212:16:456:509:48
7:13
+0:09
21M
21.00 mi12:33:012:24:256:537:40
7:40
+0:27
35K
21.75 mi12:38:202:29:446:535:19
7:06
-0:34
23M
23.00 mi12:47:242:38:486:549:04
7:14
+0:08
24M
24.00 mi12:54:402:46:046:557:16
7:16
+0:02
40K
24.85 mi13:01:032:52:276:566:23
7:28
+0:12
25.2M
25.20 mi13:03:582:55:226:582:55
8:27
+0:59
Finish
26.22 mi13:11:293:02:536:597:31
7:23
-1:04

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

6:34 /mi

Average Pace

6:59 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:56

37% of race

Time at Steady Pace

1:31:28

50% of race

Time at Slower Pace

24:29

13% of race

Average Pace: 6:58 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:29:0320:276:3520:27
6:35
#4448
10K
6.21 mi10:50:0141:256:4020:58
6:45
#5060
15K
9.32 mi11:11:031:02:276:4221:02
6:46
#5263
20K
12.43 mi11:32:251:23:496:4521:22
6:53
#5426
Half
13.11 mi11:36:541:28:186:444:29
6:34
#5331
25K
15.53 mi11:53:351:44:596:4516:41
6:53
#5351
30K
18.64 mi12:15:332:06:576:4921:58
7:04
#5256
20M
20.00 mi12:25:212:16:456:509:48
7:13
#5248
21M
21.00 mi12:33:012:24:256:537:40
7:40
#5246
35K
21.75 mi12:38:202:29:446:535:19
7:06
#5276
23M
23.00 mi12:47:242:38:486:549:04
7:14
#5221
24M
24.00 mi12:54:402:46:046:557:16
7:16
#5229
40K
24.85 mi13:01:032:52:276:566:23
7:28
#5228
25.2M
25.20 mi13:03:582:55:226:582:55
8:27
#5248
Finish
26.22 mi13:11:293:02:536:597:31
7:23
#5288
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4448418441845780(Top 20%)5269(Top 33%)5269(Top 264%)
10K6.21 mi3.10 mi5060-6124716-5324716-5325829(Top 21%)5337(Top 33%)5337(Top 267%)
15K9.32 mi3.11 mi5263-2034883-1674883-1675780(Top 20%)5269(Top 33%)5269(Top 264%)
20K12.43 mi3.11 mi5426-1635012-1295012-1296018(Top 21%)5451(Top 34%)5451(Top 273%)
Half13.11 mi0.68 mi5331+954933+794933+794225(Top 15%)3964(Top 25%)3964(Top 199%)
25K15.53 mi2.42 mi5351-204930+34930+35515(Top 19%)5005(Top 31%)5005(Top 251%)
30K18.64 mi3.11 mi5256+954830+1004830+1005151(Top 18%)4663(Top 29%)4663(Top 234%)
20M20.00 mi1.36 mi5248+84812+184812+185262(Top 19%)4679(Top 29%)4679(Top 234%)
21M21.00 mi1.00 mi5246+24805+74805+75471(Top 19%)4717(Top 29%)4717(Top 236%)
35K21.75 mi0.75 mi5276-304827-224827-226013(Top 21%)5070(Top 31%)5070(Top 254%)
23M23.00 mi1.25 mi5221+554765+624765+625124(Top 18%)4408(Top 27%)4408(Top 221%)
24M24.00 mi1.00 mi5229-84763+24763+26217(Top 22%)5049(Top 31%)5049(Top 253%)
40K24.85 mi0.85 mi5228+14753+104753+106582(Top 23%)5189(Top 32%)5189(Top 260%)
25.2M25.20 mi0.35 mi5248-204764-114764-118466(Top 30%)6151(Top 38%)6151(Top 308%)
Finish26.22 mi1.02 mi5288-404778-144778-148292(Top 29%)6068(Top 38%)6068(Top 304%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5780

Males

5269

M50-54

5269

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5829

Males

5337

M50-54

5337

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5780

Males

5269

M50-54

5269

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

6018

Males

5451

M50-54

5451

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4225

Males

3964

M50-54

3964

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5515

Males

5005

M50-54

5005

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5151

Males

4663

M50-54

4663

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5262

Males

4679

M50-54

4679

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5471

Males

4717

M50-54

4717

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

6013

Males

5070

M50-54

5070

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5124

Males

4408

M50-54

4408

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6217

Males

5049

M50-54

5049

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6582

Males

5189

M50-54

5189

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8466

Males

6151

M50-54

6151

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8292

Males

6068

M50-54

6068

Passing Analysis

Category:
Athletes Passed
1029
Passed By
1869
Net Change
-840
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4448
5K → 10K27639-612#4448#5060
10K → 15K67270-203#5060#5263
15K → 20K74237-163#5263#5426
20K → Half983+95#5426#5331
Half → 25K109129-20#5331#5351
25K → 30K205110+95#5351#5256
30K → 20M8173+8#5256#5248
20M → 21M8381+2#5248#5246
21M → 35K3767-30#5246#5276
35K → 23M10348+55#5276#5221
23M → 24M5159-8#5221#5229
24M → 40K4948+1#5229#5228
40K → 25.2M1131-20#5228#5248
25.2M → Finish3474-40#5248#5288
TOTALS10291869-840
📊

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