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BOSTON MARATHON 2025

Lixin Qin

Bib: 10246•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 32%
Masters (Masters Men)
#0 / 10463
Top 18%
Division (M50-54)
#0 / 1996
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:04
Rank: #6148
Start → 5K
21:04 | 6:47/mi
10K· 6.21 mi
42:18
Rank: #6367 (-219)
5K → 10K
21:14 | 6:50/mi
15K· 9.32 mi
1:03:34
Rank: #6399 (-32)
10K → 15K
21:16 | 6:51/mi
20K· 12.43 mi
1:25:14
Rank: #6479 (-80)
15K → 20K
21:40 | 6:58/mi
Half· 13.11 mi
1:29:52
Rank: #6459 (+20)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:46:52
Rank: #6408 (+51)
Half → 25K
17:00 | 7:01/mi
30K· 18.64 mi
2:08:38
Rank: #5985 (+423)
25K → 30K
21:46 | 7:00/mi
20M
2:18:21
Rank: #5850 (+135)
30K → 20M
9:43 | 7:09/mi
21M
2:25:56
Rank: #5745 (+105)
20M → 21M
7:35 | 7:35/mi
35K· 21.75 mi
2:31:18
Rank: #5745
21M → 35K
5:22 | 7:10/mi
23M
2:40:52
Rank: #5768 (-23)
35K → 23M
9:34 | 7:38/mi
24M
2:48:18
Rank: #5762 (+6)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
2:54:45
Rank: #5761 (+1)
24M → 40K
6:27 | 7:33/mi
25.2M
2:57:35
Rank: #5738 (+23)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:04:53
Rank: #5726 (+12)
25.2M → Finish
7:18 | 7:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:52
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:35:01
Pace7:15 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3621:046:4721:04
6:47
-
10K
6.21 mi11:08:5042:186:4821:14
6:50
+0:03
15K
9.32 mi11:30:061:03:346:4921:16
6:51
+0:01
20K
12.43 mi11:51:461:25:146:5221:40
6:58
+0:07
Half
13.11 mi11:56:241:29:526:514:38
6:47
-0:11
25K
15.53 mi12:13:241:46:526:5317:00
7:01
+0:14
30K
18.64 mi12:35:102:08:386:5421:46
7:00
-0:01
20M
20.00 mi12:44:532:18:216:559:43
7:09
+0:09
21M
21.00 mi12:52:282:25:566:577:35
7:35
+0:26
35K
21.75 mi12:57:502:31:186:575:22
7:10
-0:25
23M
23.00 mi13:07:242:40:527:009:34
7:38
+0:28
24M
24.00 mi13:14:502:48:187:017:26
7:26
-0:12
40K
24.85 mi13:21:172:54:457:026:27
7:33
+0:07
25.2M
25.20 mi13:24:072:57:357:032:50
8:13
+0:40
Finish
26.22 mi13:31:253:04:537:037:18
7:10
-1:03

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

6:47 /mi

Average Pace

7:03 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:12

37% of race

Time at Steady Pace

1:22:49

45% of race

Time at Slower Pace

33:52

18% of race

Average Pace: 7:03 /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 mi10:47:3621:046:4721:04
6:47
#6148
10K
6.21 mi11:08:5042:186:4821:14
6:50
#6367
15K
9.32 mi11:30:061:03:346:4921:16
6:51
#6399
20K
12.43 mi11:51:461:25:146:5221:40
6:58
#6479
Half
13.11 mi11:56:241:29:526:514:38
6:47
#6459
25K
15.53 mi12:13:241:46:526:5317:00
7:01
#6408
30K
18.64 mi12:35:102:08:386:5421:46
7:00
#5985
20M
20.00 mi12:44:532:18:216:559:43
7:09
#5850
21M
21.00 mi12:52:282:25:566:577:35
7:35
#5745
35K
21.75 mi12:57:502:31:186:575:22
7:10
#5745
23M
23.00 mi13:07:242:40:527:009:34
7:38
#5768
24M
24.00 mi13:14:502:48:187:017:26
7:26
#5762
40K
24.85 mi13:21:172:54:457:026:27
7:33
#5761
25.2M
25.20 mi13:24:072:57:357:032:50
8:13
#5738
Finish
26.22 mi13:31:253:04:537:037:18
7:10
#5726
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6148563856386507(Top 23%)5869(Top 36%)5869(Top 294%)
10K6.21 mi3.10 mi6367-2195813-1755813-1756722(Top 24%)6060(Top 38%)6060(Top 304%)
15K9.32 mi3.11 mi6399-325822-95822-96507(Top 23%)5869(Top 36%)5869(Top 294%)
20K12.43 mi3.11 mi6479-805862-405862-406707(Top 24%)5982(Top 37%)5982(Top 300%)
Half13.11 mi0.68 mi6459+205843+195843+196009(Top 21%)5430(Top 34%)5430(Top 272%)
25K15.53 mi2.42 mi6408+515793+505793+506383(Top 22%)5676(Top 35%)5676(Top 284%)
30K18.64 mi3.11 mi5985+4235430+3635430+3634716(Top 17%)4297(Top 27%)4297(Top 215%)
20M20.00 mi1.36 mi5850+1355306+1245306+1244926(Top 17%)4429(Top 28%)4429(Top 222%)
21M21.00 mi1.00 mi5745+1055217+895217+895014(Top 18%)4381(Top 27%)4381(Top 219%)
35K21.75 mi0.75 mi57455206+115206+116385(Top 22%)5299(Top 33%)5299(Top 265%)
23M23.00 mi1.25 mi5768-235201+55201+57483(Top 26%)5852(Top 36%)5852(Top 293%)
24M24.00 mi1.00 mi5762+65179+225179+227207(Top 25%)5640(Top 35%)5640(Top 283%)
40K24.85 mi0.85 mi5761+15164+155164+157005(Top 25%)5423(Top 34%)5423(Top 272%)
25.2M25.20 mi0.35 mi5738+235138+265138+267053(Top 25%)5343(Top 33%)5343(Top 268%)
Finish26.22 mi1.02 mi5726+125113+255113+256767(Top 24%)5177(Top 32%)5177(Top 259%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6507

Males

5869

M50-54

5869

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6722

Males

6060

M50-54

6060

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6507

Males

5869

M50-54

5869

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6707

Males

5982

M50-54

5982

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

6009

Males

5430

M50-54

5430

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

6383

Males

5676

M50-54

5676

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4716

Males

4297

M50-54

4297

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4926

Males

4429

M50-54

4429

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5014

Males

4381

M50-54

4381

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6385

Males

5299

M50-54

5299

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7483

Males

5852

M50-54

5852

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

7207

Males

5640

M50-54

5640

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7005

Males

5423

M50-54

5423

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7053

Males

5343

M50-54

5343

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6767

Males

5177

M50-54

5177

Passing Analysis

Category:
Athletes Passed
1592
Passed By
1170
Net Change
+422
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6148
5K → 10K112331-219#6148#6367
10K → 15K140172-32#6367#6399
15K → 20K111191-80#6399#6479
20K → Half3212+20#6479#6459
Half → 25K15099+51#6459#6408
25K → 30K43815+423#6408#5985
30K → 20M14914+135#5985#5850
20M → 21M12419+105#5850#5745
21M → 35K43430#5745#5745
35K → 23M7295-23#5745#5768
23M → 24M6054+6#5768#5762
24M → 40K5352+1#5762#5761
40K → 25.2M4219+23#5761#5738
25.2M → Finish6654+12#5738#5726
TOTALS15921170+422
📊

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