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BOSTON MARATHON 2023

Lixin Qin

Bib: 7496•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Masters (Masters Men)
#0 / 9891
Top 18%
Division (M45-49)
#0 / 2252
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:54
Rank: #3914
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
42:13
Rank: #4919 (-1005)
5K → 10K
21:19 | 6:52/mi
15K· 9.32 mi
1:03:15
Rank: #4868 (+51)
10K → 15K
21:02 | 6:46/mi
20K· 12.43 mi
1:24:40
Rank: #4956 (-88)
15K → 20K
21:25 | 6:54/mi
Half· 13.11 mi
1:29:17
Rank: #4959 (-3)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:46:10
Rank: #5041 (-82)
Half → 25K
16:53 | 6:58/mi
30K· 18.64 mi
2:08:21
Rank: #5045 (-4)
25K → 30K
22:11 | 7:08/mi
20M
2:18:18
Rank: #5105 (-60)
30K → 20M
9:57 | 7:19/mi
21M
2:26:10
Rank: #5162 (-57)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:31:29
Rank: #5161 (+1)
21M → 35K
5:19 | 7:06/mi
23M
2:41:03
Rank: #5239 (-78)
35K → 23M
9:34 | 7:38/mi
24M
2:48:29
Rank: #5268 (-29)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
2:55:03
Rank: #5295 (-27)
24M → 40K
6:34 | 7:41/mi
25.2M
2:57:58
Rank: #5330 (-35)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:05:41
Rank: #5406 (-76)
25.2M → Finish
7:43 | 7:34/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
Time1:36:24
Pace7:21 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0120:546:4420:54
6:44
-
10K
6.21 mi11:07:2042:136:4821:19
6:52
+0:08
15K
9.32 mi11:28:221:03:156:4721:02
6:46
-0:06
20K
12.43 mi11:49:471:24:406:4921:25
6:54
+0:08
Half
13.11 mi11:54:241:29:176:494:37
6:46
-0:08
25K
15.53 mi12:11:171:46:106:5016:53
6:58
+0:12
30K
18.64 mi12:33:282:08:216:5322:11
7:08
+0:10
20M
20.00 mi12:43:252:18:186:559:57
7:19
+0:11
21M
21.00 mi12:51:172:26:106:587:52
7:52
+0:33
35K
21.75 mi12:56:362:31:296:585:19
7:06
-0:46
23M
23.00 mi13:06:102:41:037:009:34
7:38
+0:32
24M
24.00 mi13:13:362:48:297:017:26
7:26
-0:12
40K
24.85 mi13:20:102:55:037:036:34
7:41
+0:15
25.2M
25.20 mi13:23:052:57:587:042:55
8:27
+0:46
Finish
26.22 mi13:30:483:05:417:057:43
7:34
-0:53

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

6:44 /mi

Average Pace

7:05 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:52

37% of race

Time at Steady Pace

1:15:45

41% of race

Time at Slower Pace

42:04

23% of race

Average Pace: 7:05 /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 mi10:46:0120:546:4420:54
6:44
#3914
10K
6.21 mi11:07:2042:136:4821:19
6:52
#4919
15K
9.32 mi11:28:221:03:156:4721:02
6:46
#4868
20K
12.43 mi11:49:471:24:406:4921:25
6:54
#4956
Half
13.11 mi11:54:241:29:176:494:37
6:46
#4959
25K
15.53 mi12:11:171:46:106:5016:53
6:58
#5041
30K
18.64 mi12:33:282:08:216:5322:11
7:08
#5045
20M
20.00 mi12:43:252:18:186:559:57
7:19
#5105
21M
21.00 mi12:51:172:26:106:587:52
7:52
#5162
35K
21.75 mi12:56:362:31:296:585:19
7:06
#5161
23M
23.00 mi13:06:102:41:037:009:34
7:38
#5239
24M
24.00 mi13:13:362:48:297:017:26
7:26
#5268
40K
24.85 mi13:20:102:55:037:036:34
7:41
#5295
25.2M
25.20 mi13:23:052:57:587:042:55
8:27
#5330
Finish
26.22 mi13:30:483:05:417:057:43
7:34
#5406
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3914367536754821(Top 18%)4492(Top 30%)4492(Top 199%)
10K6.21 mi3.10 mi4919-10054564-8894564-8895837(Top 22%)5330(Top 35%)5330(Top 237%)
15K9.32 mi3.11 mi4868+514530+344530+344821(Top 18%)4492(Top 30%)4492(Top 199%)
20K12.43 mi3.11 mi4956-884614-844614-845298(Top 20%)4891(Top 32%)4891(Top 217%)
Half13.11 mi0.68 mi4959-3461446145011(Top 19%)4643(Top 31%)4643(Top 206%)
25K15.53 mi2.42 mi5041-824680-664680-665367(Top 20%)4947(Top 33%)4947(Top 220%)
30K18.64 mi3.11 mi5045-4468046805146(Top 19%)4718(Top 31%)4718(Top 210%)
20M20.00 mi1.36 mi5105-604728-484728-485745(Top 22%)5105(Top 34%)5105(Top 227%)
21M21.00 mi1.00 mi5162-574766-384766-386514(Top 24%)5552(Top 37%)5552(Top 247%)
35K21.75 mi0.75 mi5161+14758+84758+85911(Top 22%)5164(Top 34%)5164(Top 229%)
23M23.00 mi1.25 mi5239-784815-574815-577325(Top 28%)6005(Top 40%)6005(Top 267%)
24M24.00 mi1.00 mi5268-294835-204835-207227(Top 27%)5840(Top 38%)5840(Top 259%)
40K24.85 mi0.85 mi5295-274846-114846-117789(Top 29%)6103(Top 40%)6103(Top 271%)
25.2M25.20 mi0.35 mi5330-354867-214867-219127(Top 34%)6787(Top 45%)6787(Top 301%)
Finish26.22 mi1.02 mi5406-764928-614928-619038(Top 34%)6755(Top 45%)6755(Top 300%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4821

Males

4492

M45-49

4492

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5837

Males

5330

M45-49

5330

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4821

Males

4492

M45-49

4492

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5298

Males

4891

M45-49

4891

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5011

Males

4643

M45-49

4643

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5367

Males

4947

M45-49

4947

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5146

Males

4718

M45-49

4718

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5745

Males

5105

M45-49

5105

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6514

Males

5552

M45-49

5552

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5911

Males

5164

M45-49

5164

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7325

Males

6005

M45-49

6005

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7227

Males

5840

M45-49

5840

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

7789

Males

6103

M45-49

6103

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9127

Males

6787

M45-49

6787

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9038

Males

6755

M45-49

6755

Passing Analysis

Category:
Athletes Passed
749
Passed By
2241
Net Change
-1492
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3914
5K → 10K171022-1005#3914#4919
10K → 15K13786+51#4919#4868
15K → 20K80168-88#4868#4956
20K → Half1518-3#4956#4959
Half → 25K80162-82#4959#5041
25K → 30K133137-4#5041#5045
30K → 20M54114-60#5045#5105
20M → 21M43100-57#5105#5162
21M → 35K3736+1#5162#5161
35K → 23M36114-78#5161#5239
23M → 24M4372-29#5239#5268
24M → 40K4067-27#5268#5295
40K → 25.2M1247-35#5295#5330
25.2M → Finish2298-76#5330#5406
TOTALS7492241-1492
📊

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