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BOSTON MARATHON 2023

Randy Lee

Bib: 14018•M

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 47%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Top 38%
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
8:02/mi
24:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:52/mi
49:24
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:14:01
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:38:47
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:44:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:03:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:29:19
↑ 181↓ 1480.2%
20M
8:15/mi
2:40:31
↑ 64↓ 500.2%
21M
8:53/mi
2:49:24
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
2:55:24
↑ 17↓ 861.7%
23M
8:34/mi
3:06:08
↑ 23↓ 630.6%
24M
8:02/mi
3:14:10
↓ 821.3%
40K· 24.85 mi
7:44/mi
3:20:47
↓ 200.3%
25.2M
8:13/mi
3:23:37
↑ 13↓ 160.2%
Finish· 26.22 mi
7:18/mi
3:31:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:10
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:46:53
Pace8:09 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1524:598:0224:59
8:02
-
10K
6.21 mi11:20:4049:247:5724:25
7:52
-0:10
15K
9.32 mi11:45:171:14:017:5624:37
7:55
+0:03
20K
12.43 mi12:10:031:38:477:5724:46
7:58
+0:03
Half
13.11 mi12:15:261:44:107:575:23
7:53
-0:05
25K
15.53 mi12:34:582:03:427:5819:32
8:03
+0:10
30K
18.64 mi13:00:352:29:198:0125:37
8:15
+0:12
20M
20.00 mi13:11:472:40:318:0211:12
8:15
0:00
21M
21.00 mi13:20:402:49:248:048:53
8:53
+0:38
35K
21.75 mi13:26:402:55:248:046:00
8:01
-0:52
23M
23.00 mi13:37:243:06:088:0610:44
8:34
+0:33
24M
24.00 mi13:45:263:14:108:058:02
8:02
-0:32
40K
24.85 mi13:52:033:20:478:056:37
7:44
-0:18
25.2M
25.20 mi13:54:533:23:378:052:50
8:13
+0:29
Finish
26.22 mi14:02:193:31:038:037:26
7:18
-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

7:18 /mi

Average Pace

8:03 /mi

Slowest Pace

8:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:03

7% of race

Time at Steady Pace

2:17:44

65% of race

Time at Slower Pace

59:16

28% of race

Average Pace: 8:03 /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 mi10:56:1524:598:0224:59
8:02
#14291
10K
6.21 mi11:20:4049:247:5724:25
7:52
#13983
15K
9.32 mi11:45:171:14:017:5624:37
7:55
#13907
20K
12.43 mi12:10:031:38:477:5724:46
7:58
#13687
Half
13.11 mi12:15:261:44:107:575:23
7:53
#13675
25K
15.53 mi12:34:582:03:427:5819:32
8:03
#13577
30K
18.64 mi13:00:352:29:198:0125:37
8:15
#13373
20M
20.00 mi13:11:472:40:318:0211:12
8:15
#13243
21M
21.00 mi13:20:402:49:248:048:53
8:53
#13173
35K
21.75 mi13:26:402:55:248:046:00
8:01
#13130
23M
23.00 mi13:37:243:06:088:0610:44
8:34
#13138
24M
24.00 mi13:45:263:14:108:058:02
8:02
#13055
40K
24.85 mi13:52:033:20:478:056:37
7:44
#12860
25.2M
25.20 mi13:54:533:23:378:052:50
8:13
#12785
Finish
26.22 mi14:02:193:31:038:037:26
7:18
#12553
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14291100701007013751(Top 52%)9799(Top 65%)9799(Top 689%)
10K6.21 mi3.10 mi13983+3089930+1409930+14013623(Top 51%)9799(Top 65%)9799(Top 689%)
15K9.32 mi3.11 mi13907+769887+439887+4313751(Top 52%)9799(Top 65%)9799(Top 689%)
20K12.43 mi3.11 mi13687+2209770+1179770+11713187(Top 50%)9522(Top 63%)9522(Top 670%)
Half13.11 mi0.68 mi13675+129767+39767+313450(Top 51%)9655(Top 64%)9655(Top 679%)
25K15.53 mi2.42 mi13577+989712+559712+5513180(Top 50%)9427(Top 62%)9427(Top 663%)
30K18.64 mi3.11 mi13373+2049590+1229590+12212641(Top 47%)9076(Top 60%)9076(Top 638%)
20M20.00 mi1.36 mi13243+1309523+679523+6711950(Top 45%)8690(Top 57%)8690(Top 611%)
21M21.00 mi1.00 mi13173+709477+469477+4612736(Top 48%)8911(Top 59%)8911(Top 627%)
35K21.75 mi0.75 mi13130+439442+359442+3512242(Top 46%)8660(Top 57%)8660(Top 609%)
23M23.00 mi1.25 mi13138-89425+179425+1713639(Top 51%)9199(Top 61%)9199(Top 647%)
24M24.00 mi1.00 mi13055+839357+689357+6811466(Top 43%)8142(Top 54%)8142(Top 573%)
40K24.85 mi0.85 mi12860+1959257+1009257+1008245(Top 31%)6409(Top 42%)6409(Top 451%)
25.2M25.20 mi0.35 mi12785+759219+389219+387791(Top 29%)6067(Top 40%)6067(Top 427%)
Finish26.22 mi1.02 mi12553+2329096+1239096+1237100(Top 27%)5639(Top 37%)5639(Top 397%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13751

Males

9799

M55-59

9799

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13623

Males

9799

M55-59

9799

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13751

Males

9799

M55-59

9799

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

13187

Males

9522

M55-59

9522

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13450

Males

9655

M55-59

9655

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13180

Males

9427

M55-59

9427

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12641

Males

9076

M55-59

9076

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11950

Males

8690

M55-59

8690

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12736

Males

8911

M55-59

8911

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12242

Males

8660

M55-59

8660

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13639

Males

9199

M55-59

9199

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

11466

Males

8142

M55-59

8142

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8245

Males

6409

M55-59

6409

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7791

Males

6067

M55-59

6067

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7100

Males

5639

M55-59

5639

Passing Analysis

Category:
Athletes Passed
2564
Passed By
826
Net Change
+1738
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14291
5K → 10K472164+308#14291#13983
10K → 15K228152+76#13983#13907
15K → 20K29171+220#13907#13687
20K → Half3220+12#13687#13675
Half → 25K17476+98#13675#13577
25K → 30K308104+204#13577#13373
30K → 20M15727+130#13373#13243
20M → 21M11747+70#13243#13173
21M → 35K7835+43#13173#13130
35K → 23M8795-8#13130#13138
23M → 24M11027+83#13138#13055
24M → 40K2027+195#13055#12860
40K → 25.2M750+75#12860#12785
25.2M → Finish2331+232#12785#12553
TOTALS2564826+1738
📊

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