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BOSTON MARATHON 2023

Donghui Chen

VA

Bib: 6168 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 37%
Masters (Masters Men)
#0 / 9891
Top 23%
Division (M50-54)
#0 / 2052
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:08/mi
22:11
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:00/mi
43:57
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:06/mi
1:06:02
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:14/mi
1:28:31
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:02/mi
1:33:19
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:10/mi
1:50:41
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:26/mi
2:13:48
↑ 181↓ 1480.2%
138 ft elev
20M
7:36/mi
2:24:07
↑ 64↓ 500.2%
148 ft elev
21M
7:36/mi
2:31:43
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:08/mi
2:37:03
↑ 17↓ 861.7%
156 ft elev
23M
7:22/mi
2:46:17
↑ 23↓ 630.6%
116 ft elev
24M
7:16/mi
2:53:33
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:26/mi
2:59:54
↓ 200.3%
20 ft elev
25.2M
7:50/mi
3:02:36
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:55/mi
3:09:39
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:19
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:36:20
Pace7:21 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0322:117:0822:11
7:08
-
10K
6.21 mi10:47:4943:577:0421:46
7:00
-0:08
15K
9.32 mi11:09:541:06:027:0522:05
7:06
+0:06
20K
12.43 mi11:32:231:28:317:0722:29
7:14
+0:08
Half
13.11 mi11:37:111:33:197:074:48
7:02
-0:12
25K
15.53 mi11:54:331:50:417:0817:22
7:10
+0:08
30K
18.64 mi12:17:402:13:487:1123:07
7:26
+0:16
20M
20.00 mi12:27:592:24:077:1210:19
7:36
+0:10
21M
21.00 mi12:35:352:31:437:137:36
7:36
0:00
35K
21.75 mi12:40:552:37:037:135:20
7:08
-0:28
23M
23.00 mi12:50:092:46:177:149:14
7:22
+0:14
24M
24.00 mi12:57:252:53:337:147:16
7:16
-0:06
40K
24.85 mi13:03:462:59:547:146:21
7:26
+0:10
25.2M
25.20 mi13:06:283:02:367:152:42
7:50
+0:24
Finish
26.22 mi13:13:313:09:397:147:03
6:55
-0:55

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

6:55 /mi

Average Pace

7:14 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:57

99% of race

Time at Steady Pace

2:42

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:14 /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 mi10:26:0322:117:0822:11
7:08
#7119
10K
6.21 mi10:47:4943:577:0421:46
7:00
#6933
15K
9.32 mi11:09:541:06:027:0522:05
7:06
#7001
20K
12.43 mi11:32:231:28:317:0722:29
7:14
#7070
Half
13.11 mi11:37:111:33:197:074:48
7:02
#7045
25K
15.53 mi11:54:331:50:417:0817:22
7:10
#6922
30K
18.64 mi12:17:402:13:487:1123:07
7:26
#6856
20M
20.00 mi12:27:592:24:077:1210:19
7:36
#6880
21M
21.00 mi12:35:352:31:437:137:36
7:36
#6722
35K
21.75 mi12:40:552:37:037:135:20
7:08
#6681
23M
23.00 mi12:50:092:46:177:149:14
7:22
#6579
24M
24.00 mi12:57:252:53:337:147:16
7:16
#6520
40K
24.85 mi13:03:462:59:547:146:21
7:26
#6463
25.2M
25.20 mi13:06:283:02:367:152:42
7:50
#6425
Finish
26.22 mi13:13:313:09:397:147:03
6:55
#6340
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7119636163617187(Top 27%)6373(Top 42%)6373(Top 311%)
10K6.21 mi3.10 mi6933+1866213+1486213+1486845(Top 26%)6120(Top 40%)6120(Top 298%)
15K9.32 mi3.11 mi7001-686253-406253-407187(Top 27%)6373(Top 42%)6373(Top 311%)
20K12.43 mi3.11 mi7070-696300-476300-477325(Top 28%)6441(Top 42%)6441(Top 314%)
Half13.11 mi0.68 mi7045+256279+216279+216720(Top 25%)6027(Top 40%)6027(Top 294%)
25K15.53 mi2.42 mi6922+1236183+966183+966447(Top 24%)5759(Top 38%)5759(Top 281%)
30K18.64 mi3.11 mi6856+666103+806103+806825(Top 26%)5944(Top 39%)5944(Top 290%)
20M20.00 mi1.36 mi6880-246113-106113-107478(Top 28%)6256(Top 41%)6256(Top 305%)
21M21.00 mi1.00 mi6722+1585979+1345979+1345042(Top 19%)4496(Top 30%)4496(Top 219%)
35K21.75 mi0.75 mi6681+415941+385941+386072(Top 23%)5280(Top 35%)5280(Top 257%)
23M23.00 mi1.25 mi6579+1025852+895852+895718(Top 21%)4994(Top 33%)4994(Top 243%)
24M24.00 mi1.00 mi6520+595799+535799+536134(Top 23%)5181(Top 34%)5181(Top 252%)
40K24.85 mi0.85 mi6463+575744+555744+556231(Top 23%)5166(Top 34%)5166(Top 252%)
25.2M25.20 mi0.35 mi6425+385713+315713+315524(Top 21%)4623(Top 30%)4623(Top 225%)
Finish26.22 mi1.02 mi6340+855643+705643+704745(Top 18%)4100(Top 27%)4100(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7187

Males

6373

M50-54

6373

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

6845

Males

6120

M50-54

6120

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7187

Males

6373

M50-54

6373

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7325

Males

6441

M50-54

6441

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6720

Males

6027

M50-54

6027

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6447

Males

5759

M50-54

5759

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6825

Males

5944

M50-54

5944

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7478

Males

6256

M50-54

6256

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5042

Males

4496

M50-54

4496

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6072

Males

5280

M50-54

5280

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5718

Males

4994

M50-54

4994

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6134

Males

5181

M50-54

5181

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6231

Males

5166

M50-54

5166

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5524

Males

4623

M50-54

4623

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4745

Males

4100

M50-54

4100

Passing Analysis

Category:
Athletes Passed
1491
Passed By
712
Net Change
+779
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7119
5K → 10K304118+186#7119#6933
10K → 15K99167-68#6933#7001
15K → 20K76145-69#7001#7070
20K → Half316+25#7070#7045
Half → 25K14118+123#7045#6922
25K → 30K15185+66#6922#6856
30K → 20M5074-24#6856#6880
20M → 21M1624+158#6880#6722
21M → 35K5716+41#6722#6681
35K → 23M11917+102#6681#6579
23M → 24M8122+59#6579#6520
24M → 40K7922+57#6520#6463
40K → 25.2M435+38#6463#6425
25.2M → Finish9813+85#6425#6340
TOTALS1491712+779
📊

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