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BOSTON MARATHON 2023

Bowen Fang

Bib: 9371•M

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 27%
Gender (Male)
#0 / 15176
Top 41%
Masters (Masters Men)
#0 / 9891
Top 27%
Division (M50-54)
#0 / 2052
Top 22%
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
7:00/mi
21:45
↑ 97↓ 3451.5%
10K· 6.21 mi
7:03/mi
43:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:13/mi
1:06:03
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:28:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:33:54
↑ 19↓ 370.5%
25K· 15.53 mi
7:31/mi
1:52:08
↑ 66↓ 880.2%
30K· 18.64 mi
7:32/mi
2:15:32
↑ 181↓ 1480.2%
20M
7:30/mi
2:25:44
↑ 64↓ 500.2%
21M
8:07/mi
2:33:51
↑ 106↓ 241.6%
35K· 21.75 mi
7:16/mi
2:39:17
↑ 17↓ 861.7%
23M
7:34/mi
2:48:45
↑ 23↓ 630.6%
24M
7:26/mi
2:56:11
↓ 821.3%
40K· 24.85 mi
7:33/mi
3:02:38
↓ 200.3%
25.2M
8:13/mi
3:05:28
↑ 13↓ 160.2%
Finish· 26.22 mi
7:24/mi
3:13:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:54
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:39:06
Pace7:34 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1721:457:0021:45
7:00
-
10K
6.21 mi11:09:1143:397:0121:54
7:03
+0:03
15K
9.32 mi11:31:351:06:037:0522:24
7:13
+0:10
20K
12.43 mi11:54:271:28:557:0922:52
7:22
+0:09
Half
13.11 mi11:59:261:33:547:104:59
7:18
-0:04
25K
15.53 mi12:17:401:52:087:1318:14
7:31
+0:13
30K
18.64 mi12:41:042:15:327:1623:24
7:32
+0:01
20M
20.00 mi12:51:162:25:447:1710:12
7:30
-0:02
21M
21.00 mi12:59:232:33:517:208:07
8:07
+0:37
35K
21.75 mi13:04:492:39:177:195:26
7:16
-0:51
23M
23.00 mi13:14:172:48:457:209:28
7:34
+0:18
24M
24.00 mi13:21:432:56:117:207:26
7:26
-0:08
40K
24.85 mi13:28:103:02:387:216:27
7:33
+0:07
25.2M
25.20 mi13:31:003:05:287:222:50
8:13
+0:40
Finish
26.22 mi13:38:323:13:007:227:32
7:24
-0:49

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

7:00 /mi

Average Pace

7:22 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02:03

94% of race

Time at Steady Pace

10:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:22 /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 mi10:47:1721:457:0021:45
7:00
#6252
10K
6.21 mi11:09:1143:397:0121:54
7:03
#6646
15K
9.32 mi11:31:351:06:037:0522:24
7:13
#7012
20K
12.43 mi11:54:271:28:557:0922:52
7:22
#7247
Half
13.11 mi11:59:261:33:547:104:59
7:18
#7299
25K
15.53 mi12:17:401:52:087:1318:14
7:31
#7497
30K
18.64 mi12:41:042:15:327:1623:24
7:32
#7426
20M
20.00 mi12:51:162:25:447:1710:12
7:30
#7356
21M
21.00 mi12:59:232:33:517:208:07
8:07
#7369
35K
21.75 mi13:04:492:39:177:195:26
7:16
#7333
23M
23.00 mi13:14:172:48:457:209:28
7:34
#7260
24M
24.00 mi13:21:432:56:117:207:26
7:26
#7228
40K
24.85 mi13:28:103:02:387:216:27
7:33
#7183
25.2M
25.20 mi13:31:003:05:287:222:50
8:13
#7170
Finish
26.22 mi13:38:323:13:007:227:32
7:24
#7151
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6252570357037854(Top 30%)6823(Top 45%)6823(Top 333%)
10K6.21 mi3.10 mi6646-3945990-2875990-2877112(Top 27%)6321(Top 42%)6321(Top 308%)
15K9.32 mi3.11 mi7012-3666263-2736263-2737854(Top 30%)6823(Top 45%)6823(Top 333%)
20K12.43 mi3.11 mi7247-2356428-1656428-1658201(Top 31%)7014(Top 46%)7014(Top 342%)
Half13.11 mi0.68 mi7299-526462-346462-348561(Top 32%)7225(Top 48%)7225(Top 352%)
25K15.53 mi2.42 mi7497-1986596-1346596-1348901(Top 33%)7366(Top 49%)7366(Top 359%)
30K18.64 mi3.11 mi7426+716512+846512+847430(Top 28%)6340(Top 42%)6340(Top 309%)
20M20.00 mi1.36 mi7356+706448+646448+646810(Top 26%)5850(Top 39%)5850(Top 285%)
21M21.00 mi1.00 mi7369-136434+146434+148082(Top 30%)6518(Top 43%)6518(Top 318%)
35K21.75 mi0.75 mi7333+366396+386396+386885(Top 26%)5819(Top 38%)5819(Top 284%)
23M23.00 mi1.25 mi7260+736328+686328+686789(Top 26%)5687(Top 37%)5687(Top 277%)
24M24.00 mi1.00 mi7228+326288+406288+407246(Top 27%)5859(Top 39%)5859(Top 286%)
40K24.85 mi0.85 mi7183+456245+436245+436949(Top 26%)5602(Top 37%)5602(Top 273%)
25.2M25.20 mi0.35 mi7170+136226+196226+197719(Top 29%)5995(Top 40%)5995(Top 292%)
Finish26.22 mi1.02 mi7151+196185+416185+417718(Top 29%)6004(Top 40%)6004(Top 293%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

7854

Males

6823

M50-54

6823

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7112

Males

6321

M50-54

6321

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

7854

Males

6823

M50-54

6823

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8201

Males

7014

M50-54

7014

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8561

Males

7225

M50-54

7225

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8901

Males

7366

M50-54

7366

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7430

Males

6340

M50-54

6340

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6810

Males

5850

M50-54

5850

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8082

Males

6518

M50-54

6518

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6885

Males

5819

M50-54

5819

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

6789

Males

5687

M50-54

5687

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7246

Males

5859

M50-54

5859

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6949

Males

5602

M50-54

5602

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7719

Males

5995

M50-54

5995

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2story building
+22ft-21ft

Overall

7718

Males

6004

M50-54

6004

Passing Analysis

Category:
Athletes Passed
926
Passed By
1825
Net Change
-899
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6252
5K → 10K57451-394#6252#6646
10K → 15K33399-366#6646#7012
15K → 20K44279-235#7012#7247
20K → Half860-52#7247#7299
Half → 25K31229-198#7299#7497
25K → 30K171100+71#7497#7426
30K → 20M10131+70#7426#7356
20M → 21M5770-13#7356#7369
21M → 35K6327+36#7369#7333
35K → 23M11037+73#7333#7260
23M → 24M6432+32#7260#7228
24M → 40K7732+45#7228#7183
40K → 25.2M3118+13#7183#7170
25.2M → Finish7960+19#7170#7151
TOTALS9261825-899
📊

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