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BOSTON MARATHON 2025

Lijie Zheng

Bib: 8151•M

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 (M40-44)
#0 / 2247
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:59
Rank: #5916
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
41:59
Rank: #5883 (+33)
5K → 10K
21:00 | 6:46/mi
15K· 9.32 mi
1:03:11
Rank: #5980 (-97)
10K → 15K
21:12 | 6:49/mi
20K· 12.43 mi
1:24:37
Rank: #6010 (-30)
15K → 20K
21:26 | 6:54/mi
Half· 13.11 mi
1:29:17
Rank: #6035 (-25)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:46:14
Rank: #6053 (-18)
Half → 25K
16:57 | 6:59/mi
30K· 18.64 mi
2:08:27
Rank: #5893 (+160)
25K → 30K
22:13 | 7:09/mi
20M
2:18:14
Rank: #5810 (+83)
30K → 20M
9:47 | 7:12/mi
21M
2:25:58
Rank: #5757 (+53)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:31:07
Rank: #5691 (+66)
21M → 35K
5:09 | 6:53/mi
23M
2:40:07
Rank: #5562 (+129)
35K → 23M
9:00 | 7:11/mi
24M
2:47:09
Rank: #5483 (+79)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:53:21
Rank: #5430 (+53)
24M → 40K
6:12 | 7:15/mi
25.2M
2:56:04
Rank: #5397 (+33)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:03:01
Rank: #5321 (+76)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:17
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:33:44
Pace7:09 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:1720:596:4520:59
6:45
-
10K
6.21 mi10:50:1741:596:4521:00
6:46
+0:01
15K
9.32 mi11:11:291:03:116:4721:12
6:49
+0:03
20K
12.43 mi11:32:551:24:376:4921:26
6:54
+0:05
Half
13.11 mi11:37:351:29:176:494:40
6:50
-0:04
25K
15.53 mi11:54:321:46:146:5016:57
6:59
+0:09
30K
18.64 mi12:16:452:08:276:5322:13
7:09
+0:10
20M
20.00 mi12:26:322:18:146:559:47
7:12
+0:03
21M
21.00 mi12:34:162:25:586:577:44
7:44
+0:32
35K
21.75 mi12:39:252:31:076:575:09
6:53
-0:51
23M
23.00 mi12:48:252:40:076:589:00
7:11
+0:18
24M
24.00 mi12:55:272:47:096:587:02
7:02
-0:09
40K
24.85 mi13:01:392:53:216:586:12
7:15
+0:13
25.2M
25.20 mi13:04:222:56:046:592:43
7:53
+0:38
Finish
26.22 mi13:11:193:03:016:596:57
6:49
-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

6:45 /mi

Average Pace

6:59 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:34

94% of race

Time at Steady Pace

10:27

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:59 /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 mi10:29:1720:596:4520:59
6:45
#5916
10K
6.21 mi10:50:1741:596:4521:00
6:46
#5883
15K
9.32 mi11:11:291:03:116:4721:12
6:49
#5980
20K
12.43 mi11:32:551:24:376:4921:26
6:54
#6010
Half
13.11 mi11:37:351:29:176:494:40
6:50
#6035
25K
15.53 mi11:54:321:46:146:5016:57
6:59
#6053
30K
18.64 mi12:16:452:08:276:5322:13
7:09
#5893
20M
20.00 mi12:26:322:18:146:559:47
7:12
#5810
21M
21.00 mi12:34:162:25:586:577:44
7:44
#5757
35K
21.75 mi12:39:252:31:076:575:09
6:53
#5691
23M
23.00 mi12:48:252:40:076:589:00
7:11
#5562
24M
24.00 mi12:55:272:47:096:587:02
7:02
#5483
40K
24.85 mi13:01:392:53:216:586:12
7:15
#5430
25.2M
25.20 mi13:04:222:56:046:592:43
7:53
#5397
Finish
26.22 mi13:11:193:03:016:596:57
6:49
#5321
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5916544254426292(Top 22%)5693(Top 35%)5693(Top 253%)
10K6.21 mi3.10 mi5883+335408+345408+345914(Top 21%)5408(Top 34%)5408(Top 241%)
15K9.32 mi3.11 mi5980-975480-725480-726292(Top 22%)5693(Top 35%)5693(Top 253%)
20K12.43 mi3.11 mi6010-305490-105490-106161(Top 22%)5552(Top 34%)5552(Top 247%)
Half13.11 mi0.68 mi6035-255508-185508-186383(Top 22%)5723(Top 36%)5723(Top 255%)
25K15.53 mi2.42 mi6053-185500+85500+86255(Top 22%)5579(Top 35%)5579(Top 248%)
30K18.64 mi3.11 mi5893+1605357+1435357+1435596(Top 20%)5008(Top 31%)5008(Top 223%)
20M20.00 mi1.36 mi5810+835274+835274+835166(Top 18%)4596(Top 29%)4596(Top 205%)
21M21.00 mi1.00 mi5757+535227+475227+475792(Top 20%)4911(Top 30%)4911(Top 219%)
35K21.75 mi0.75 mi5691+665169+585169+584555(Top 16%)4034(Top 25%)4034(Top 180%)
23M23.00 mi1.25 mi5562+1295045+1245045+1244764(Top 17%)4140(Top 26%)4140(Top 184%)
24M24.00 mi1.00 mi5483+794968+774968+774775(Top 17%)4089(Top 25%)4089(Top 182%)
40K24.85 mi0.85 mi5430+534910+584910+585288(Top 19%)4389(Top 27%)4389(Top 195%)
25.2M25.20 mi0.35 mi5397+334877+334877+335169(Top 18%)4192(Top 26%)4192(Top 187%)
Finish26.22 mi1.02 mi5321+764806+714806+714578(Top 16%)3829(Top 24%)3829(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6292

Males

5693

M40-44

5693

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5914

Males

5408

M40-44

5408

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6292

Males

5693

M40-44

5693

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6161

Males

5552

M40-44

5552

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6383

Males

5723

M40-44

5723

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

6255

Males

5579

M40-44

5579

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5596

Males

5008

M40-44

5008

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5166

Males

4596

M40-44

4596

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5792

Males

4911

M40-44

4911

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4555

Males

4034

M40-44

4034

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4764

Males

4140

M40-44

4140

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4775

Males

4089

M40-44

4089

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5288

Males

4389

M40-44

4389

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5169

Males

4192

M40-44

4192

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4578

Males

3829

M40-44

3829

Passing Analysis

Category:
Athletes Passed
1555
Passed By
960
Net Change
+595
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5916
5K → 10K194161+33#5916#5883
10K → 15K104201-97#5883#5980
15K → 20K139169-30#5980#6010
20K → Half1035-25#6010#6035
Half → 25K121139-18#6035#6053
25K → 30K261101+160#6053#5893
30K → 20M11532+83#5893#5810
20M → 21M8835+53#5810#5757
21M → 35K7711+66#5757#5691
35K → 23M14718+129#5691#5562
23M → 24M9718+79#5562#5483
24M → 40K7320+53#5483#5430
40K → 25.2M396+33#5430#5397
25.2M → Finish9014+76#5397#5321
TOTALS1555960+595
📊

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