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BOSTON MARATHON 2023

Wengang Ji

Bib: 6909•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 10%
Division (M40-44)
#0 / 2241
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:51
Rank: #3768
Start → 5K
20:51 | 6:43/mi
10K· 6.21 mi
41:42
Rank: #4089 (-321)
5K → 10K
20:51 | 6:43/mi
15K· 9.32 mi
1:02:35
Rank: #4154 (-65)
10K → 15K
20:53 | 6:43/mi
20K· 12.43 mi
1:23:32
Rank: #4080 (+74)
15K → 20K
20:57 | 6:45/mi
Half· 13.11 mi
1:28:04
Rank: #4052 (+28)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:44:28
Rank: #4008 (+44)
Half → 25K
16:24 | 6:46/mi
30K· 18.64 mi
2:05:57
Rank: #3911 (+97)
25K → 30K
21:29 | 6:55/mi
20M
2:15:27
Rank: #3894 (+17)
30K → 20M
9:30 | 6:59/mi
21M
2:22:48
Rank: #3864 (+30)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:28:01
Rank: #3924 (-60)
21M → 35K
5:13 | 6:58/mi
23M
2:36:44
Rank: #3879 (+45)
35K → 23M
8:43 | 6:58/mi
24M
2:43:23
Rank: #3798 (+81)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
2:49:18
Rank: #3755 (+43)
24M → 40K
5:55 | 6:55/mi
25.2M
2:51:42
Rank: #3688 (+67)
40K → 25.2M
2:24 | 6:56/mi
Finish· 26.22 mi
2:58:46
Rank: #3768 (-80)
25.2M → Finish
7:04 | 6:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:04
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:30:42
Pace6:55 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3120:516:4320:51
6:43
-
10K
6.21 mi10:45:2241:426:4320:51
6:43
0:00
15K
9.32 mi11:06:151:02:356:4320:53
6:43
0:00
20K
12.43 mi11:27:121:23:326:4320:57
6:45
+0:02
Half
13.11 mi11:31:441:28:046:434:32
6:39
-0:06
25K
15.53 mi11:48:081:44:286:4316:24
6:46
+0:07
30K
18.64 mi12:09:372:05:576:4521:29
6:55
+0:09
20M
20.00 mi12:19:072:15:276:469:30
6:59
+0:04
21M
21.00 mi12:26:282:22:486:487:21
7:21
+0:22
35K
21.75 mi12:31:412:28:016:485:13
6:58
-0:23
23M
23.00 mi12:40:242:36:446:498:43
6:58
0:00
24M
24.00 mi12:47:032:43:236:486:39
6:39
-0:19
40K
24.85 mi12:52:582:49:186:495:55
6:55
+0:16
25.2M
25.20 mi12:55:222:51:426:492:24
6:56
+0:01
Finish
26.22 mi13:02:262:58:466:497:04
6:56
0:00

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

6:39 /mi

Average Pace

6:49 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:25

96% of race

Time at Steady Pace

7:21

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:24:3120:516:4320:51
6:43
#3768
10K
6.21 mi10:45:2241:426:4320:51
6:43
#4089
15K
9.32 mi11:06:151:02:356:4320:53
6:43
#4154
20K
12.43 mi11:27:121:23:326:4320:57
6:45
#4080
Half
13.11 mi11:31:441:28:046:434:32
6:39
#4052
25K
15.53 mi11:48:081:44:286:4316:24
6:46
#4008
30K
18.64 mi12:09:372:05:576:4521:29
6:55
#3911
20M
20.00 mi12:19:072:15:276:469:30
6:59
#3894
21M
21.00 mi12:26:282:22:486:487:21
7:21
#3864
35K
21.75 mi12:31:412:28:016:485:13
6:58
#3924
23M
23.00 mi12:40:242:36:446:498:43
6:58
#3879
24M
24.00 mi12:47:032:43:236:486:39
6:39
#3798
40K
24.85 mi12:52:582:49:186:495:55
6:55
#3755
25.2M
25.20 mi12:55:222:51:426:492:24
6:56
#3688
Finish
26.22 mi13:02:262:58:466:497:04
6:56
#3768
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3768354235424332(Top 16%)4057(Top 27%)4057(Top 181%)
10K6.21 mi3.10 mi4089-3213844-3023844-3024429(Top 17%)4140(Top 27%)4140(Top 185%)
15K9.32 mi3.11 mi4154-653900-563900-564332(Top 16%)4057(Top 27%)4057(Top 181%)
20K12.43 mi3.11 mi4080+743831+693831+693918(Top 15%)3692(Top 24%)3692(Top 165%)
Half13.11 mi0.68 mi4052+283806+253806+253801(Top 14%)3585(Top 24%)3585(Top 160%)
25K15.53 mi2.42 mi4008+443771+353771+353839(Top 14%)3611(Top 24%)3611(Top 161%)
30K18.64 mi3.11 mi3911+973687+843687+843760(Top 14%)3526(Top 23%)3526(Top 157%)
20M20.00 mi1.36 mi3894+173669+183669+183965(Top 15%)3681(Top 24%)3681(Top 164%)
21M21.00 mi1.00 mi3864+303639+303639+303868(Top 15%)3576(Top 24%)3576(Top 160%)
35K21.75 mi0.75 mi3924-603690-513690-515120(Top 19%)4571(Top 30%)4571(Top 204%)
23M23.00 mi1.25 mi3879+453650+403650+403621(Top 14%)3345(Top 22%)3345(Top 149%)
24M24.00 mi1.00 mi3798+813569+813569+812849(Top 11%)2650(Top 17%)2650(Top 118%)
40K24.85 mi0.85 mi3755+433529+403529+403429(Top 13%)3130(Top 21%)3130(Top 140%)
25.2M25.20 mi0.35 mi3688+673468+613468+611553(Top 6%)1459(Top 10%)1459(Top 65%)
Finish26.22 mi1.02 mi3768-803538-703538-704879(Top 18%)4176(Top 28%)4176(Top 186%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4332

Males

4057

M40-44

4057

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4429

Males

4140

M40-44

4140

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4332

Males

4057

M40-44

4057

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3918

Males

3692

M40-44

3692

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3801

Males

3585

M40-44

3585

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3839

Males

3611

M40-44

3611

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3760

Males

3526

M40-44

3526

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

3965

Males

3681

M40-44

3681

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3868

Males

3576

M40-44

3576

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5120

Males

4571

M40-44

4571

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3621

Males

3345

M40-44

3345

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2849

Males

2650

M40-44

2650

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3429

Males

3130

M40-44

3130

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1553

Males

1459

M40-44

1459

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4879

Males

4176

M40-44

4176

Passing Analysis

Category:
Athletes Passed
1133
Passed By
1133
Net Change
0
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3768
5K → 10K89410-321#3768#4089
10K → 15K99164-65#4089#4154
15K → 20K14066+74#4154#4080
20K → Half4012+28#4080#4052
Half → 25K9854+44#4052#4008
25K → 30K15558+97#4008#3911
30K → 20M7255+17#3911#3894
20M → 21M8050+30#3894#3864
21M → 35K1777-60#3864#3924
35K → 23M7328+45#3924#3879
23M → 24M9514+81#3879#3798
24M → 40K7532+43#3798#3755
40K → 25.2M670+67#3755#3688
25.2M → Finish33113-80#3688#3768
TOTALS113311330
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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