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BOSTON MARATHON 2023

Joel Johnson

Bib: 13317•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 25%
Gender (Male)
#0 / 15176
Top 39%
Masters (Masters Men)
#0 / 9891
Top 25%
Division (M45-49)
#0 / 2252
Top 32%
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
7:22/mi
22:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
45:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:07:47
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:30:40
↑ 106↓ 860.1%
Half· 13.11 mi
7:11/mi
1:35:34
↑ 19↓ 370.5%
25K· 15.53 mi
7:18/mi
1:53:16
↑ 66↓ 880.2%
30K· 18.64 mi
7:21/mi
2:16:07
↑ 181↓ 1480.2%
20M
7:18/mi
2:26:02
↑ 64↓ 500.2%
21M
7:36/mi
2:33:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:01/mi
2:38:53
↑ 17↓ 861.7%
23M
7:23/mi
2:48:08
↑ 23↓ 630.6%
24M
7:08/mi
2:55:16
↓ 821.3%
40K· 24.85 mi
7:16/mi
3:01:29
↓ 200.3%
25.2M
7:41/mi
3:04:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:01/mi
3:11:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:35:34
Pace7:17 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:43
Pace7:18 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0522:527:2222:52
7:22
-
10K
6.21 mi11:13:3045:177:1722:25
7:13
-0:09
15K
9.32 mi11:36:001:07:477:1622:30
7:15
+0:02
20K
12.43 mi11:58:531:30:407:1822:53
7:22
+0:07
Half
13.11 mi12:03:471:35:347:174:54
7:11
-0:11
25K
15.53 mi12:21:291:53:167:1717:42
7:18
+0:07
30K
18.64 mi12:44:202:16:077:1822:51
7:21
+0:03
20M
20.00 mi12:54:152:26:027:189:55
7:18
-0:03
21M
21.00 mi13:01:512:33:387:197:36
7:36
+0:18
35K
21.75 mi13:07:062:38:537:185:15
7:01
-0:35
23M
23.00 mi13:16:212:48:087:199:15
7:23
+0:22
24M
24.00 mi13:23:292:55:167:187:08
7:08
-0:15
40K
24.85 mi13:29:423:01:297:186:13
7:16
+0:08
25.2M
25.20 mi13:32:213:04:087:182:39
7:41
+0:25
Finish
26.22 mi13:39:303:11:177:187:09
7:01
-0:40

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

7:01 /mi

Average Pace

7:18 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:47

90% of race

Time at Steady Pace

19:30

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:51:0522:527:2222:52
7:22
#8497
10K
6.21 mi11:13:3045:177:1722:25
7:13
#8357
15K
9.32 mi11:36:001:07:477:1622:30
7:15
#8238
20K
12.43 mi11:58:531:30:407:1822:53
7:22
#8209
Half
13.11 mi12:03:471:35:347:174:54
7:11
#8185
25K
15.53 mi12:21:291:53:167:1717:42
7:18
#8001
30K
18.64 mi12:44:202:16:077:1822:51
7:21
#7651
20M
20.00 mi12:54:152:26:027:189:55
7:18
#7446
21M
21.00 mi13:01:512:33:387:197:36
7:36
#7296
35K
21.75 mi13:07:062:38:537:185:15
7:01
#7203
23M
23.00 mi13:16:212:48:087:199:15
7:23
#7058
24M
24.00 mi13:23:292:55:167:187:08
7:08
#6962
40K
24.85 mi13:29:423:01:297:186:13
7:16
#6869
25.2M
25.20 mi13:32:213:04:087:182:39
7:41
#6801
Finish
26.22 mi13:39:303:11:177:187:09
7:01
#6699
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8497729772978084(Top 30%)6971(Top 46%)6971(Top 310%)
10K6.21 mi3.10 mi8357+1407185+1127185+1128196(Top 31%)7074(Top 47%)7074(Top 314%)
15K9.32 mi3.11 mi8238+1197100+857100+858084(Top 30%)6971(Top 46%)6971(Top 310%)
20K12.43 mi3.11 mi8209+297077+237077+238246(Top 31%)7038(Top 46%)7038(Top 313%)
Half13.11 mi0.68 mi8185+247060+177060+177661(Top 29%)6668(Top 44%)6668(Top 296%)
25K15.53 mi2.42 mi8001+1846917+1436917+1437281(Top 27%)6337(Top 42%)6337(Top 281%)
30K18.64 mi3.11 mi7651+3506663+2546663+2546339(Top 24%)5617(Top 37%)5617(Top 249%)
20M20.00 mi1.36 mi7446+2056504+1596504+1595630(Top 21%)5023(Top 33%)5023(Top 223%)
21M21.00 mi1.00 mi7296+1506390+1146390+1145102(Top 19%)4555(Top 30%)4555(Top 202%)
35K21.75 mi0.75 mi7203+936319+716319+715458(Top 21%)4854(Top 32%)4854(Top 216%)
23M23.00 mi1.25 mi7058+1456190+1296190+1295791(Top 22%)5041(Top 33%)5041(Top 224%)
24M24.00 mi1.00 mi6962+966108+826108+825383(Top 20%)4708(Top 31%)4708(Top 209%)
40K24.85 mi0.85 mi6869+936027+816027+815254(Top 20%)4515(Top 30%)4515(Top 200%)
25.2M25.20 mi0.35 mi6801+685968+595968+594807(Top 18%)4160(Top 27%)4160(Top 185%)
Finish26.22 mi1.02 mi6699+1025884+845884+845304(Top 20%)4484(Top 30%)4484(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8084

Males

6971

M45-49

6971

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8196

Males

7074

M45-49

7074

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8084

Males

6971

M45-49

6971

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8246

Males

7038

M45-49

7038

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

7661

Males

6668

M45-49

6668

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7281

Males

6337

M45-49

6337

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6339

Males

5617

M45-49

5617

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5630

Males

5023

M45-49

5023

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5102

Males

4555

M45-49

4555

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

5458

Males

4854

M45-49

4854

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5791

Males

5041

M45-49

5041

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5383

Males

4708

M45-49

4708

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5254

Males

4515

M45-49

4515

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4807

Males

4160

M45-49

4160

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5304

Males

4484

M45-49

4484

Passing Analysis

Category:
Athletes Passed
2268
Passed By
470
Net Change
+1798
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8497
5K → 10K306166+140#8497#8357
10K → 15K20384+119#8357#8238
15K → 20K135106+29#8238#8209
20K → Half328+24#8209#8185
Half → 25K20521+184#8185#8001
25K → 30K36515+350#8001#7651
30K → 20M2105+205#7651#7446
20M → 21M1588+150#7446#7296
21M → 35K963+93#7296#7203
35K → 23M16015+145#7203#7058
23M → 24M10913+96#7058#6962
24M → 40K10512+93#6962#6869
40K → 25.2M702+68#6869#6801
25.2M → Finish11412+102#6801#6699
TOTALS2268470+1798
📊

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