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BOSTON MARATHON 2023

Yifan Cheng

Bib: 10226•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 28%
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
8:03/mi
25:00
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
50:24
↑ 79↓ 1380.4%
15K· 9.32 mi
8:09/mi
1:15:44
↑ 67↓ 78
20K· 12.43 mi
8:16/mi
1:41:24
↑ 106↓ 860.1%
Half· 13.11 mi
8:11/mi
1:46:59
↑ 19↓ 370.5%
25K· 15.53 mi
8:25/mi
2:07:24
↑ 66↓ 880.2%
30K· 18.64 mi
8:41/mi
2:34:23
↑ 181↓ 1480.2%
20M
8:51/mi
2:46:24
↑ 64↓ 500.2%
21M
9:25/mi
2:55:49
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
3:01:58
↑ 17↓ 861.7%
23M
8:30/mi
3:12:36
↑ 23↓ 630.6%
24M
8:04/mi
3:20:40
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:27:37
↓ 200.3%
25.2M
8:48/mi
3:30:39
↑ 13↓ 160.2%
Finish· 26.22 mi
8:01/mi
3:38:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:59
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:51:50
Pace8:32 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0425:008:0325:00
8:03
-
10K
6.21 mi11:17:2850:248:0725:24
8:11
+0:08
15K
9.32 mi11:42:481:15:448:0825:20
8:09
-0:02
20K
12.43 mi12:08:281:41:248:1025:40
8:16
+0:07
Half
13.11 mi12:14:031:46:598:105:35
8:11
-0:05
25K
15.53 mi12:34:282:07:248:1220:25
8:25
+0:14
30K
18.64 mi13:01:272:34:238:1726:59
8:41
+0:16
20M
20.00 mi13:13:282:46:248:1912:01
8:51
+0:10
21M
21.00 mi13:22:532:55:498:229:25
9:25
+0:34
35K
21.75 mi13:29:023:01:588:226:09
8:13
-1:12
23M
23.00 mi13:39:403:12:368:2210:38
8:30
+0:17
24M
24.00 mi13:47:443:20:408:228:04
8:04
-0:26
40K
24.85 mi13:54:413:27:378:216:57
8:08
+0:04
25.2M
25.20 mi13:57:433:30:398:223:02
8:48
+0:40
Finish
26.22 mi14:05:533:38:498:218:10
8:01
-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

8:01 /mi

Average Pace

8:21 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:23

90% of race

Time at Steady Pace

21:26

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:21 /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 mi10:52:0425:008:0325:00
8:03
#14331
10K
6.21 mi11:17:2850:248:0725:24
8:11
#15190
15K
9.32 mi11:42:481:15:448:0825:20
8:09
#15302
20K
12.43 mi12:08:281:41:248:1025:40
8:16
#15315
Half
13.11 mi12:14:031:46:598:105:35
8:11
#15308
25K
15.53 mi12:34:282:07:248:1220:25
8:25
#15357
30K
18.64 mi13:01:272:34:238:1726:59
8:41
#15347
20M
20.00 mi13:13:282:46:248:1912:01
8:51
#15363
21M
21.00 mi13:22:532:55:498:229:25
9:25
#15339
35K
21.75 mi13:29:023:01:588:226:09
8:13
#15255
23M
23.00 mi13:39:403:12:368:2210:38
8:30
#15110
24M
24.00 mi13:47:443:20:408:228:04
8:04
#14969
40K
24.85 mi13:54:413:27:378:216:57
8:08
#14804
25.2M
25.20 mi13:57:433:30:398:223:02
8:48
#14739
Finish
26.22 mi14:05:533:38:498:218:10
8:01
#14639
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi14331100851008515520(Top 58%)10506(Top 69%)10506(Top 946%)
10K6.21 mi3.10 mi15190-85910405-32010405-32016062(Top 60%)10729(Top 71%)10729(Top 967%)
15K9.32 mi3.11 mi15302-11210429-2410429-2415520(Top 58%)10506(Top 69%)10506(Top 946%)
20K12.43 mi3.11 mi15315-1310417+1210417+1215344(Top 58%)10395(Top 68%)10395(Top 936%)
Half13.11 mi0.68 mi15308+710406+1110406+1115613(Top 59%)10521(Top 69%)10521(Top 948%)
25K15.53 mi2.42 mi15357-4910401+510401+515697(Top 59%)10411(Top 69%)10411(Top 938%)
30K18.64 mi3.11 mi15347+1010350+5110350+5115422(Top 58%)10221(Top 67%)10221(Top 921%)
20M20.00 mi1.36 mi15363-1610337+1310337+1315660(Top 59%)10272(Top 68%)10272(Top 925%)
21M21.00 mi1.00 mi15339+2410302+3510302+3515535(Top 58%)10144(Top 67%)10144(Top 914%)
35K21.75 mi0.75 mi15255+8410254+4810254+4813566(Top 51%)9226(Top 61%)9226(Top 831%)
23M23.00 mi1.25 mi15110+14510183+7110183+7113159(Top 49%)8992(Top 59%)8992(Top 810%)
24M24.00 mi1.00 mi14969+14110113+7010113+7011689(Top 44%)8257(Top 54%)8257(Top 744%)
40K24.85 mi0.85 mi14804+16510023+9010023+9010889(Top 41%)7796(Top 51%)7796(Top 702%)
25.2M25.20 mi0.35 mi14739+659986+379986+3711290(Top 42%)7953(Top 52%)7953(Top 716%)
Finish26.22 mi1.02 mi14639+1009933+539933+5312220(Top 46%)8395(Top 55%)8395(Top 756%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15520

Males

10506

M60-64

10506

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

16062

Males

10729

M60-64

10729

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15520

Males

10506

M60-64

10506

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15344

Males

10395

M60-64

10395

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

15613

Males

10521

M60-64

10521

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15697

Males

10411

M60-64

10411

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

15422

Males

10221

M60-64

10221

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15660

Males

10272

M60-64

10272

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15535

Males

10144

M60-64

10144

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13566

Males

9226

M60-64

9226

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13159

Males

8992

M60-64

8992

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11689

Males

8257

M60-64

8257

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10889

Males

7796

M60-64

7796

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11290

Males

7953

M60-64

7953

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12220

Males

8395

M60-64

8395

Passing Analysis

Category:
Athletes Passed
1658
Passed By
1966
Net Change
-308
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14331
5K → 10K70929-859#14331#15190
10K → 15K134246-112#15190#15302
15K → 20K172185-13#15302#15315
20K → Half3730+7#15315#15308
Half → 25K118167-49#15308#15357
25K → 30K192182+10#15357#15347
30K → 20M85101-16#15347#15363
20M → 21M9672+24#15363#15339
21M → 35K906+84#15339#15255
35K → 23M16318+145#15255#15110
23M → 24M15110+141#15110#14969
24M → 40K1672+165#14969#14804
40K → 25.2M694+65#14804#14739
25.2M → Finish11414+100#14739#14639
TOTALS16581966-308
📊

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