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BOSTON MARATHON 2023

Bingfang Liu

Bib: 5454•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Masters (Masters Men)
#0 / 9891
Top 6%
Division (M50-54)
#0 / 2052
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:45/mi
20:58
↑ 97↓ 3451.5%
10K· 6.21 mi
6:35/mi
41:26
↑ 79↓ 1380.4%
15K· 9.32 mi
6:35/mi
1:01:52
↑ 67↓ 78
20K· 12.43 mi
6:40/mi
1:22:36
↑ 106↓ 860.1%
Half· 13.11 mi
6:37/mi
1:27:07
↑ 19↓ 370.5%
25K· 15.53 mi
6:39/mi
1:43:14
↑ 66↓ 880.2%
30K· 18.64 mi
6:45/mi
2:04:11
↑ 181↓ 1480.2%
20M
6:44/mi
2:13:20
↑ 64↓ 500.2%
21M
7:08/mi
2:20:28
↑ 106↓ 241.6%
35K· 21.75 mi
6:30/mi
2:25:20
↑ 17↓ 861.7%
23M
6:37/mi
2:33:37
↑ 23↓ 630.6%
24M
6:32/mi
2:40:09
↓ 821.3%
40K· 24.85 mi
6:44/mi
2:45:54
↓ 200.3%
25.2M
7:18/mi
2:48:25
↑ 13↓ 160.2%
Finish· 26.22 mi
6:42/mi
2:55:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:07
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:28:08
Pace6:43 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5520:586:4520:58
6:45
-
10K
6.21 mi10:44:2341:266:4020:28
6:35
-0:10
15K
9.32 mi11:04:491:01:526:3820:26
6:35
0:00
20K
12.43 mi11:25:331:22:366:3920:44
6:40
+0:05
Half
13.11 mi11:30:041:27:076:394:31
6:37
-0:03
25K
15.53 mi11:46:111:43:146:3916:07
6:39
+0:02
30K
18.64 mi12:07:082:04:116:4020:57
6:45
+0:06
20M
20.00 mi12:16:172:13:206:409:09
6:44
-0:01
21M
21.00 mi12:23:252:20:286:417:08
7:08
+0:24
35K
21.75 mi12:28:172:25:206:414:52
6:30
-0:38
23M
23.00 mi12:36:342:33:376:418:17
6:37
+0:07
24M
24.00 mi12:43:062:40:096:406:32
6:32
-0:05
40K
24.85 mi12:48:512:45:546:405:45
6:44
+0:12
25.2M
25.20 mi12:51:222:48:256:412:31
7:18
+0:34
Finish
26.22 mi12:58:122:55:156:416:50
6:42
-0:36

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

6:30 /mi

Average Pace

6:41 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:44

99% of race

Time at Steady Pace

2:31

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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 mi10:23:5520:586:4520:58
6:45
#4100
10K
6.21 mi10:44:2341:266:4020:28
6:35
#3669
15K
9.32 mi11:04:491:01:526:3820:26
6:35
#3457
20K
12.43 mi11:25:331:22:366:3920:44
6:40
#3422
Half
13.11 mi11:30:041:27:076:394:31
6:37
#3431
25K
15.53 mi11:46:111:43:146:3916:07
6:39
#3318
30K
18.64 mi12:07:082:04:116:4020:57
6:45
#3128
20M
20.00 mi12:16:172:13:206:409:09
6:44
#3049
21M
21.00 mi12:23:252:20:286:417:08
7:08
#3009
35K
21.75 mi12:28:172:25:206:414:52
6:30
#2967
23M
23.00 mi12:36:342:33:376:418:17
6:37
#2844
24M
24.00 mi12:43:062:40:096:406:32
6:32
#2792
40K
24.85 mi12:48:512:45:546:405:45
6:44
#2745
25.2M
25.20 mi12:51:222:48:256:412:31
7:18
#2740
Finish
26.22 mi12:58:122:55:156:416:50
6:42
#2757
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4100384538453102(Top 12%)2956(Top 19%)2956(Top 144%)
10K6.21 mi3.10 mi3669+4313459+3863459+3863400(Top 13%)3229(Top 21%)3229(Top 157%)
15K9.32 mi3.11 mi3457+2123275+1843275+1843102(Top 12%)2956(Top 19%)2956(Top 144%)
20K12.43 mi3.11 mi3422+353244+313244+313351(Top 13%)3179(Top 21%)3179(Top 155%)
Half13.11 mi0.68 mi3431-93253-93253-93519(Top 13%)3327(Top 22%)3327(Top 162%)
25K15.53 mi2.42 mi3318+1133157+963157+962978(Top 11%)2838(Top 19%)2838(Top 138%)
30K18.64 mi3.11 mi3128+1902979+1782979+1782644(Top 10%)2512(Top 17%)2512(Top 122%)
20M20.00 mi1.36 mi3049+792905+742905+742443(Top 9%)2318(Top 15%)2318(Top 113%)
21M21.00 mi1.00 mi3009+402864+412864+412753(Top 10%)2587(Top 17%)2587(Top 126%)
35K21.75 mi0.75 mi2967+422825+392825+392441(Top 9%)2313(Top 15%)2313(Top 113%)
23M23.00 mi1.25 mi2844+1232710+1152710+1151843(Top 7%)1747(Top 12%)1747(Top 85%)
24M24.00 mi1.00 mi2792+522656+542656+542238(Top 8%)2096(Top 14%)2096(Top 102%)
40K24.85 mi0.85 mi2745+472610+462610+462453(Top 9%)2273(Top 15%)2273(Top 111%)
25.2M25.20 mi0.35 mi2740+52605+52605+52897(Top 11%)2652(Top 17%)2652(Top 129%)
Finish26.22 mi1.02 mi2757-172621-162621-163524(Top 13%)3149(Top 21%)3149(Top 153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21story building
+97ft-345ft

Overall

3102

Males

2956

M50-54

2956

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3400

Males

3229

M50-54

3229

10K→15K

6.2 - 9.3 mi

Top 12%
×3story building
+67ft-78ft

Overall

3102

Males

2956

M50-54

2956

15K→20K

9.3 - 12.4 mi

Top 13%
×5story building
+106ft-86ft

Overall

3351

Males

3179

M50-54

3179

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3519

Males

3327

M50-54

3327

Half→25K

13.1 - 15.5 mi

Top 11%
×4story building
+66ft-88ft

Overall

2978

Males

2838

M50-54

2838

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2644

Males

2512

M50-54

2512

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2443

Males

2318

M50-54

2318

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2753

Males

2587

M50-54

2587

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2441

Males

2313

M50-54

2313

35K→23M

21.8 - 23.0 mi

Top 7%
×5story building
+23ft-63ft

Overall

1843

Males

1747

M50-54

1747

23M→24M

23.0 - 24.0 mi

Top 8%
×6story building
+12ft-82ft

Overall

2238

Males

2096

M50-54

2096

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2453

Males

2273

M50-54

2273

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2897

Males

2652

M50-54

2652

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2story building
+22ft-21ft

Overall

3524

Males

3149

M50-54

3149

Passing Analysis

Category:
Athletes Passed
1702
Passed By
359
Net Change
+1343
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4100
5K → 10K49766+431#4100#3669
10K → 15K23321+212#3669#3457
15K → 20K9863+35#3457#3422
20K → Half1322-9#3422#3431
Half → 25K13522+113#3431#3318
25K → 30K21121+190#3318#3128
30K → 20M878+79#3128#3049
20M → 21M6828+40#3049#3009
21M → 35K5412+42#3009#2967
35K → 23M1307+123#2967#2844
23M → 24M6816+52#2844#2792
24M → 40K6316+47#2792#2745
40K → 25.2M149+5#2745#2740
25.2M → Finish3148-17#2740#2757
TOTALS1702359+1343
📊

Passing Visuals

Category:
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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