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BOSTON MARATHON 2023

Yongwei Li

Bib: 14790•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 29%
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
8:35/mi
26:41
↑ 97↓ 3451.5%
10K· 6.21 mi
8:18/mi
52:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:17/mi
1:18:12
↑ 67↓ 78
20K· 12.43 mi
8:26/mi
1:44:25
↑ 106↓ 860.1%
Half· 13.11 mi
8:20/mi
1:50:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:24/mi
2:10:29
↑ 66↓ 880.2%
30K· 18.64 mi
8:37/mi
2:37:14
↑ 181↓ 1480.2%
20M
8:38/mi
2:48:58
↑ 64↓ 500.2%
21M
9:04/mi
2:58:02
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
3:03:58
↑ 17↓ 861.7%
23M
8:00/mi
3:13:59
↑ 23↓ 630.6%
24M
7:51/mi
3:21:50
↓ 821.3%
40K· 24.85 mi
7:53/mi
3:28:34
↓ 200.3%
25.2M
8:27/mi
3:31:29
↑ 13↓ 160.2%
Finish· 26.22 mi
7:49/mi
3:39:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:50:06
Pace8:24 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:49:21
Pace8:20 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4926:418:3526:41
8:35
-
10K
6.21 mi11:45:3752:298:2725:48
8:18
-0:17
15K
9.32 mi12:11:201:18:128:2325:43
8:17
-0:01
20K
12.43 mi12:37:331:44:258:2426:13
8:26
+0:09
Half
13.11 mi12:43:141:50:068:245:41
8:20
-0:06
25K
15.53 mi13:03:372:10:298:2420:23
8:24
+0:04
30K
18.64 mi13:30:222:37:148:2626:45
8:37
+0:13
20M
20.00 mi13:42:062:48:588:2711:44
8:38
+0:01
21M
21.00 mi13:51:102:58:028:299:04
9:04
+0:26
35K
21.75 mi13:57:063:03:588:285:56
7:56
-1:08
23M
23.00 mi14:07:073:13:598:2610:01
8:00
+0:04
24M
24.00 mi14:14:583:21:508:257:51
7:51
-0:09
40K
24.85 mi14:21:423:28:348:236:44
7:53
+0:02
25.2M
25.20 mi14:24:373:31:298:242:55
8:27
+0:34
Finish
26.22 mi14:32:353:39:278:237:58
7:49
-0:38

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

7:49 /mi

Average Pace

8:23 /mi

Slowest Pace

9:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:54

78% of race

Time at Steady Pace

47:33

22% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:22 /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 mi11:19:4926:418:3526:41
8:35
#18147
10K
6.21 mi11:45:3752:298:2725:48
8:18
#17508
15K
9.32 mi12:11:201:18:128:2325:43
8:17
#17127
20K
12.43 mi12:37:331:44:258:2426:13
8:26
#16957
Half
13.11 mi12:43:141:50:068:245:41
8:20
#16932
25K
15.53 mi13:03:372:10:298:2420:23
8:24
#16730
30K
18.64 mi13:30:222:37:148:2626:45
8:37
#16382
20M
20.00 mi13:42:062:48:588:2711:44
8:38
#16201
21M
21.00 mi13:51:102:58:028:299:04
9:04
#16043
35K
21.75 mi13:57:063:03:588:285:56
7:56
#15854
23M
23.00 mi14:07:073:13:598:2610:01
8:00
#15525
24M
24.00 mi14:14:583:21:508:257:51
7:51
#15280
40K
24.85 mi14:21:423:28:348:236:44
7:53
#15051
25.2M
25.20 mi14:24:373:31:298:242:55
8:27
#14948
Finish
26.22 mi14:32:353:39:278:237:58
7:49
#14799
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18147114751147516377(Top 62%)10836(Top 71%)10836(Top 976%)
10K6.21 mi3.10 mi17508+63911257+21811257+21816940(Top 64%)11082(Top 73%)11082(Top 998%)
15K9.32 mi3.11 mi17127+38111120+13711120+13716377(Top 62%)10836(Top 71%)10836(Top 976%)
20K12.43 mi3.11 mi16957+17011033+8711033+8716466(Top 62%)10818(Top 71%)10818(Top 975%)
Half13.11 mi0.68 mi16932+2511024+911024+916600(Top 62%)10902(Top 72%)10902(Top 982%)
25K15.53 mi2.42 mi16730+20210921+10310921+10315607(Top 59%)10376(Top 68%)10376(Top 935%)
30K18.64 mi3.11 mi16382+34810748+17310748+17314972(Top 56%)10044(Top 66%)10044(Top 905%)
20M20.00 mi1.36 mi16201+18110660+8810660+8814469(Top 54%)9764(Top 64%)9764(Top 880%)
21M21.00 mi1.00 mi16043+15810582+7810582+7813783(Top 52%)9395(Top 62%)9395(Top 846%)
35K21.75 mi0.75 mi15854+18910487+9510487+9511609(Top 44%)8401(Top 55%)8401(Top 757%)
23M23.00 mi1.25 mi15525+32910323+16410323+1649740(Top 37%)7363(Top 49%)7363(Top 663%)
24M24.00 mi1.00 mi15280+24510230+9310230+9310159(Top 38%)7493(Top 49%)7493(Top 675%)
40K24.85 mi0.85 mi15051+22910125+10510125+1059177(Top 34%)6923(Top 46%)6923(Top 624%)
25.2M25.20 mi0.35 mi14948+10310074+5110074+519257(Top 35%)6917(Top 46%)6917(Top 623%)
Finish26.22 mi1.02 mi14799+1499991+839991+8310796(Top 41%)7707(Top 51%)7707(Top 694%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16377

Males

10836

M60-64

10836

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

16940

Males

11082

M60-64

11082

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16377

Males

10836

M60-64

10836

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16466

Males

10818

M60-64

10818

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16600

Males

10902

M60-64

10902

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15607

Males

10376

M60-64

10376

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14972

Males

10044

M60-64

10044

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14469

Males

9764

M60-64

9764

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13783

Males

9395

M60-64

9395

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11609

Males

8401

M60-64

8401

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9740

Males

7363

M60-64

7363

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10159

Males

7493

M60-64

7493

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9177

Males

6923

M60-64

6923

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9257

Males

6917

M60-64

6917

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10796

Males

7707

M60-64

7707

Passing Analysis

Category:
Athletes Passed
3748
Passed By
400
Net Change
+3348
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18147
5K → 10K767128+639#18147#17508
10K → 15K43453+381#17508#17127
15K → 20K26797+170#17127#16957
20K → Half4318+25#16957#16932
Half → 25K22826+202#16932#16730
25K → 30K38638+348#16730#16382
30K → 20M1887+181#16382#16201
20M → 21M17315+158#16201#16043
21M → 35K1890+189#16043#15854
35K → 23M3301+329#15854#15525
23M → 24M2461+245#15525#15280
24M → 40K2290+229#15280#15051
40K → 25.2M1052+103#15051#14948
25.2M → Finish16314+149#14948#14799
TOTALS3748400+3348
📊

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