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BOSTON MARATHON 2023

Jingxiong Luo

Bib: 9254•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 36%
Division (M45-49)
#0 / 2252
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:56
Rank: #8682
Start → 5K
22:56 | 7:23/mi
10K· 6.21 mi
45:22
Rank: #8446 (+236)
5K → 10K
22:26 | 7:13/mi
15K· 9.32 mi
1:08:53
Rank: #9109 (-663)
10K → 15K
23:31 | 7:34/mi
20K· 12.43 mi
1:31:14
Rank: #8558 (+551)
15K → 20K
22:21 | 7:12/mi
Half· 13.11 mi
1:36:08
Rank: #8511 (+47)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:56:21
Rank: #9549 (-1038)
Half → 25K
20:13 | 8:20/mi
30K· 18.64 mi
2:19:40
Rank: #9098 (+451)
25K → 30K
23:19 | 7:30/mi
20M
2:29:50
Rank: #8883 (+215)
30K → 20M
10:10 | 7:29/mi
21M
2:37:39
Rank: #8712 (+171)
20M → 21M
7:49 | 7:49/mi
35K· 21.75 mi
2:45:57
Rank: #9640 (-928)
21M → 35K
8:18 | 11:06/mi
23M
2:55:11
Rank: #9336 (+304)
35K → 23M
9:14 | 7:22/mi
24M
3:02:25
Rank: #9163 (+173)
23M → 24M
7:14 | 7:14/mi
40K· 24.85 mi
3:08:40
Rank: #9010 (+153)
24M → 40K
6:15 | 7:19/mi
25.2M
3:11:23
Rank: #8934 (+76)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:18:37
Rank: #8775 (+159)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:08
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:42:29
Pace7:49 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4822:567:2322:56
7:23
-
10K
6.21 mi11:11:1445:227:1822:26
7:13
-0:10
15K
9.32 mi11:34:451:08:537:2323:31
7:34
+0:21
20K
12.43 mi11:57:061:31:147:2022:21
7:12
-0:22
Half
13.11 mi12:02:001:36:087:204:54
7:11
-0:01
25K
15.53 mi12:22:131:56:217:2920:13
8:20
+1:09
30K
18.64 mi12:45:322:19:407:3023:19
7:30
-0:50
20M
20.00 mi12:55:422:29:507:2910:10
7:29
-0:01
21M
21.00 mi13:03:312:37:397:307:49
7:49
+0:20
35K
21.75 mi13:11:492:45:577:388:18
11:06
+3:17
23M
23.00 mi13:21:032:55:117:379:14
7:22
-3:44
24M
24.00 mi13:28:173:02:257:367:14
7:14
-0:08
40K
24.85 mi13:34:323:08:407:356:15
7:19
+0:05
25.2M
25.20 mi13:37:153:11:237:362:43
7:53
+0:34
Finish
26.22 mi13:44:293:18:377:357:14
7:06
-0:47

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

7:06 /mi

Average Pace

7:35 /mi

Slowest Pace

11:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:47:23

84% of race

Time at Slower Pace

31:14

16% of race

Average Pace: 7:35 /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 mi10:48:4822:567:2322:56
7:23
#8682
10K
6.21 mi11:11:1445:227:1822:26
7:13
#8446
15K
9.32 mi11:34:451:08:537:2323:31
7:34
#9109
20K
12.43 mi11:57:061:31:147:2022:21
7:12
#8558
Half
13.11 mi12:02:001:36:087:204:54
7:11
#8511
25K
15.53 mi12:22:131:56:217:2920:13
8:20
#9549
30K
18.64 mi12:45:322:19:407:3023:19
7:30
#9098
20M
20.00 mi12:55:422:29:507:2910:10
7:29
#8883
21M
21.00 mi13:03:312:37:397:307:49
7:49
#8712
35K
21.75 mi13:11:492:45:577:388:18
11:06
#9640
23M
23.00 mi13:21:032:55:117:379:14
7:22
#9336
24M
24.00 mi13:28:173:02:257:367:14
7:14
#9163
40K
24.85 mi13:34:323:08:407:356:15
7:19
#9010
25.2M
25.20 mi13:37:153:11:237:362:43
7:53
#8934
Finish
26.22 mi13:44:293:18:377:357:14
7:06
#8775
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi86827402740210737(Top 40%)8519(Top 56%)8519(Top 378%)
10K6.21 mi3.10 mi8446+2367239+1637239+1638251(Top 31%)7119(Top 47%)7119(Top 316%)
15K9.32 mi3.11 mi9109-6637629-3907629-39010737(Top 40%)8519(Top 56%)8519(Top 378%)
20K12.43 mi3.11 mi8558+5517284+3457284+3457060(Top 27%)6258(Top 41%)6258(Top 278%)
Half13.11 mi0.68 mi8511+477262+227262+227731(Top 29%)6738(Top 44%)6738(Top 299%)
25K15.53 mi2.42 mi9549-10387871-6097871-60915165(Top 57%)10197(Top 67%)10197(Top 453%)
30K18.64 mi3.11 mi9098+4517564+3077564+3077254(Top 27%)6234(Top 41%)6234(Top 277%)
20M20.00 mi1.36 mi8883+2157415+1497415+1496677(Top 25%)5765(Top 38%)5765(Top 256%)
21M21.00 mi1.00 mi8712+1717292+1237292+1236274(Top 24%)5403(Top 36%)5403(Top 240%)
35K21.75 mi0.75 mi9640-9287831-5397831-53923450(Top 88%)13582(Top 89%)13582(Top 603%)
23M23.00 mi1.25 mi9336+3047618+2137618+2135736(Top 22%)5012(Top 33%)5012(Top 223%)
24M24.00 mi1.00 mi9163+1737492+1267492+1265954(Top 22%)5084(Top 34%)5084(Top 226%)
40K24.85 mi0.85 mi9010+1537383+1097383+1095528(Top 21%)4715(Top 31%)4715(Top 209%)
25.2M25.20 mi0.35 mi8934+767325+587325+585831(Top 22%)4851(Top 32%)4851(Top 215%)
Finish26.22 mi1.02 mi8775+1597209+1167209+1165821(Top 22%)4813(Top 32%)4813(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10737

Males

8519

M45-49

8519

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8251

Males

7119

M45-49

7119

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10737

Males

8519

M45-49

8519

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7060

Males

6258

M45-49

6258

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7731

Males

6738

M45-49

6738

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

15165

Males

10197

M45-49

10197

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7254

Males

6234

M45-49

6234

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6677

Males

5765

M45-49

5765

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6274

Males

5403

M45-49

5403

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23450

Males

13582

M45-49

13582

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5736

Males

5012

M45-49

5012

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5954

Males

5084

M45-49

5084

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5528

Males

4715

M45-49

4715

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5831

Males

4851

M45-49

4851

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5821

Males

4813

M45-49

4813

Passing Analysis

Category:
Athletes Passed
2776*
Passed By
2869
Net Change
-93
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8682
5K → 10K374138+236#8682#8446
10K → 15K26689-663#8446#9109
15K → 20K5543+551#9109#8558
20K → Half6114+47#8558#8511
Half → 25K81046-1038#8511#9549
25K → 30K461*10+451#9549#9098
30K → 20M2249+215#9098#8883
20M → 21M18413+171#8883#8712
21M → 35K2930-928#8712#9640
35K → 23M3062+304#9640#9336
23M → 24M1796+173#9336#9163
24M → 40K1541+153#9163#9010
40K → 25.2M771+76#9010#8934
25.2M → Finish1667+159#8934#8775
TOTALS2776*2869-93

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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