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BOSTON MARATHON 2023

Bonggeun Jeong

Bib: 21354•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 44%
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
8:38/mi
26:49
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
52:46
↑ 79↓ 1380.4%
15K· 9.32 mi
8:24/mi
1:18:52
↑ 67↓ 78
20K· 12.43 mi
8:33/mi
1:45:25
↑ 106↓ 860.1%
Half· 13.11 mi
8:24/mi
1:51:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:33/mi
2:11:54
↑ 66↓ 880.2%
30K· 18.64 mi
9:03/mi
2:40:02
↑ 181↓ 1480.2%
20M
8:55/mi
2:52:09
↑ 64↓ 500.2%
21M
9:35/mi
3:01:44
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
3:08:19
↑ 17↓ 861.7%
23M
9:00/mi
3:19:35
↑ 23↓ 630.6%
24M
8:41/mi
3:28:16
↓ 821.3%
40K· 24.85 mi
8:43/mi
3:35:43
↓ 200.3%
25.2M
9:14/mi
3:38:54
↑ 13↓ 160.2%
Finish· 26.22 mi
8:12/mi
3:47:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:09
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time1:56:06
Pace8:51 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5926:498:3826:49
8:38
-
10K
6.21 mi11:45:5652:468:3025:57
8:21
-0:17
15K
9.32 mi12:12:021:18:528:2826:06
8:24
+0:03
20K
12.43 mi12:38:351:45:258:2926:33
8:33
+0:09
Half
13.11 mi12:44:191:51:098:295:44
8:24
-0:09
25K
15.53 mi13:05:042:11:548:2920:45
8:33
+0:09
30K
18.64 mi13:33:122:40:028:3528:08
9:03
+0:30
20M
20.00 mi13:45:192:52:098:3612:07
8:55
-0:08
21M
21.00 mi13:54:543:01:448:399:35
9:35
+0:40
35K
21.75 mi14:01:293:08:198:406:35
8:48
-0:47
23M
23.00 mi14:12:453:19:358:4111:16
9:00
+0:12
24M
24.00 mi14:21:263:28:168:418:41
8:41
-0:19
40K
24.85 mi14:28:533:35:438:417:27
8:43
+0:02
25.2M
25.20 mi14:32:043:38:548:413:11
9:14
+0:31
Finish
26.22 mi14:40:253:47:158:408:21
8:12
-1:02

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

8:12 /mi

Average Pace

8:40 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:21

82% of race

Time at Steady Pace

40:54

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:40 /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 mi11:19:5926:498:3826:49
8:38
#18416
10K
6.21 mi11:45:5652:468:3025:57
8:21
#17855
15K
9.32 mi12:12:021:18:528:2826:06
8:24
#17601
20K
12.43 mi12:38:351:45:258:2926:33
8:33
#17439
Half
13.11 mi12:44:191:51:098:295:44
8:24
#17418
25K
15.53 mi13:05:042:11:548:2920:45
8:33
#17269
30K
18.64 mi13:33:122:40:028:3528:08
9:03
#17265
20M
20.00 mi13:45:192:52:098:3612:07
8:55
#17181
21M
21.00 mi13:54:543:01:448:399:35
9:35
#17115
35K
21.75 mi14:01:293:08:198:406:35
8:48
#17114
23M
23.00 mi14:12:453:19:358:4111:16
9:00
#17027
24M
24.00 mi14:21:263:28:168:418:41
8:41
#16964
40K
24.85 mi14:28:533:35:438:417:27
8:43
#16867
25.2M
25.20 mi14:32:043:38:548:413:11
9:14
#16820
Finish
26.22 mi14:40:253:47:158:408:21
8:12
#16686
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18416115691156917146(Top 64%)11109(Top 73%)11109(Top 1001%)
10K6.21 mi3.10 mi17855+56111397+17211397+17217243(Top 65%)11194(Top 74%)11194(Top 1008%)
15K9.32 mi3.11 mi17601+25411302+9511302+9517146(Top 64%)11109(Top 73%)11109(Top 1001%)
20K12.43 mi3.11 mi17439+16211234+6811234+6817142(Top 64%)11105(Top 73%)11105(Top 1000%)
Half13.11 mi0.68 mi17418+2111228+611228+617108(Top 64%)11117(Top 73%)11117(Top 1002%)
25K15.53 mi2.42 mi17269+14911151+7711151+7716532(Top 62%)10771(Top 71%)10771(Top 970%)
30K18.64 mi3.11 mi17265+411127+2411127+2417452(Top 66%)11103(Top 73%)11103(Top 1000%)
20M20.00 mi1.36 mi17181+8411071+5611071+5616076(Top 60%)10442(Top 69%)10442(Top 941%)
21M21.00 mi1.00 mi17115+6611039+3211039+3216336(Top 61%)10498(Top 69%)10498(Top 946%)
35K21.75 mi0.75 mi17114+111030+911030+916912(Top 64%)10661(Top 70%)10661(Top 960%)
23M23.00 mi1.25 mi17027+8710967+6310967+6316058(Top 60%)10263(Top 68%)10263(Top 925%)
24M24.00 mi1.00 mi16964+6310920+4710920+4715552(Top 58%)9977(Top 66%)9977(Top 899%)
40K24.85 mi0.85 mi16867+9710863+5710863+5714568(Top 55%)9493(Top 63%)9493(Top 855%)
25.2M25.20 mi0.35 mi16820+4710843+2010843+2013776(Top 52%)9144(Top 60%)9144(Top 824%)
Finish26.22 mi1.02 mi16686+13410775+6810775+6813385(Top 50%)8970(Top 59%)8970(Top 808%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

17146

Males

11109

M60-64

11109

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17243

Males

11194

M60-64

11194

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

17146

Males

11109

M60-64

11109

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

17142

Males

11105

M60-64

11105

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

17108

Males

11117

M60-64

11117

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

16532

Males

10771

M60-64

10771

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

17452

Males

11103

M60-64

11103

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

16076

Males

10442

M60-64

10442

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16336

Males

10498

M60-64

10498

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

16912

Males

10661

M60-64

10661

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16058

Males

10263

M60-64

10263

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

15552

Males

9977

M60-64

9977

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14568

Males

9493

M60-64

9493

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13776

Males

9144

M60-64

9144

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13385

Males

8970

M60-64

8970

Passing Analysis

Category:
Athletes Passed
2525
Passed By
795
Net Change
+1730
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18416
5K → 10K703142+561#18416#17855
10K → 15K34793+254#17855#17601
15K → 20K25492+162#17601#17439
20K → Half4019+21#17439#17418
Half → 25K19243+149#17418#17269
25K → 30K175171+4#17269#17265
30K → 20M11632+84#17265#17181
20M → 21M11852+66#17181#17115
21M → 35K4847+1#17115#17114
35K → 23M13043+87#17114#17027
23M → 24M8724+63#17027#16964
24M → 40K11114+97#16964#16867
40K → 25.2M558+47#16867#16820
25.2M → Finish14915+134#16820#16686
TOTALS2525795+1730
📊

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