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BOSTON MARATHON 2023

Justin Lange

TX

Bib: 1570 M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 31%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:48/mi
21:08
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:54/mi
42:33
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:53/mi
1:03:57
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:03/mi
1:25:51
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:53/mi
1:30:33
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:00/mi
1:47:31
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:15/mi
2:10:03
↑ 181↓ 1480.2%
138 ft elev
20M
7:13/mi
2:19:51
↑ 64↓ 500.2%
148 ft elev
21M
7:02/mi
2:26:53
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:42/mi
2:31:54
↑ 17↓ 861.7%
156 ft elev
23M
6:54/mi
2:40:32
↑ 23↓ 630.6%
116 ft elev
24M
7:07/mi
2:47:39
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:35/mi
2:54:08
↓ 200.3%
20 ft elev
25.2M
8:07/mi
2:56:56
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:18/mi
3:04:22
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:33
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:33:49
Pace7:09 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3421:086:4821:08
6:48
-
10K
6.21 mi11:07:5942:336:5121:25
6:54
+0:06
15K
9.32 mi11:29:231:03:576:5221:24
6:53
-0:01
20K
12.43 mi11:51:171:25:516:5421:54
7:03
+0:10
Half
13.11 mi11:55:591:30:336:544:42
6:53
-0:10
25K
15.53 mi12:12:571:47:316:5516:58
7:00
+0:07
30K
18.64 mi12:35:292:10:036:5922:32
7:15
+0:15
20M
20.00 mi12:45:172:19:517:009:48
7:13
-0:02
21M
21.00 mi12:52:192:26:537:007:02
7:02
-0:11
35K
21.75 mi12:57:202:31:546:595:01
6:42
-0:20
23M
23.00 mi13:05:582:40:326:598:38
6:54
+0:12
24M
24.00 mi13:13:052:47:396:597:07
7:07
+0:13
40K
24.85 mi13:19:342:54:087:006:29
7:35
+0:28
25.2M
25.20 mi13:22:222:56:567:012:48
8:07
+0:32
Finish
26.22 mi13:29:483:04:227:027:26
7:18
-0:49

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

6:42 /mi

Average Pace

7:02 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:09

14% of race

Time at Steady Pace

1:49:10

59% of race

Time at Slower Pace

49:03

27% of race

Average Pace: 7:02 /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 mi10:46:3421:086:4821:08
6:48
#4699
10K
6.21 mi11:07:5942:336:5121:25
6:54
#5400
15K
9.32 mi11:29:231:03:576:5221:24
6:53
#5564
20K
12.43 mi11:51:171:25:516:5421:54
7:03
#5758
Half
13.11 mi11:55:591:30:336:544:42
6:53
#5759
25K
15.53 mi12:12:571:47:316:5516:58
7:00
#5712
30K
18.64 mi12:35:292:10:036:5922:32
7:15
#5671
20M
20.00 mi12:45:172:19:517:009:48
7:13
#5600
21M
21.00 mi12:52:192:26:537:007:02
7:02
#5367
35K
21.75 mi12:57:202:31:546:595:01
6:42
#5289
23M
23.00 mi13:05:582:40:326:598:38
6:54
#5103
24M
24.00 mi13:13:052:47:396:597:07
7:07
#5064
40K
24.85 mi13:19:342:54:087:006:29
7:35
#5080
25.2M
25.20 mi13:22:222:56:567:012:48
8:07
#5099
Finish
26.22 mi13:29:483:04:227:027:26
7:18
#5128
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4699437343735866(Top 22%)5354(Top 35%)5354(Top 101%)
10K6.21 mi3.10 mi5400-7014989-6164989-6166066(Top 23%)5513(Top 36%)5513(Top 104%)
15K9.32 mi3.11 mi5564-1645126-1375126-1375866(Top 22%)5354(Top 35%)5354(Top 101%)
20K12.43 mi3.11 mi5758-1945292-1665292-1666259(Top 24%)5663(Top 37%)5663(Top 107%)
Half13.11 mi0.68 mi5759-1529252925876(Top 22%)5385(Top 35%)5385(Top 102%)
25K15.53 mi2.42 mi5712+475252+405252+405554(Top 21%)5109(Top 34%)5109(Top 97%)
30K18.64 mi3.11 mi5671+415205+475205+475772(Top 22%)5198(Top 34%)5198(Top 98%)
20M20.00 mi1.36 mi5600+715140+655140+655152(Top 19%)4659(Top 31%)4659(Top 88%)
21M21.00 mi1.00 mi5367+2334938+2024938+2022336(Top 9%)2209(Top 15%)2209(Top 42%)
35K21.75 mi0.75 mi5289+784865+734865+733640(Top 14%)3374(Top 22%)3374(Top 64%)
23M23.00 mi1.25 mi5103+1864693+1724693+1723222(Top 12%)2999(Top 20%)2999(Top 57%)
24M24.00 mi1.00 mi5064+394657+364657+365269(Top 20%)4614(Top 30%)4614(Top 87%)
40K24.85 mi0.85 mi5080-164673-164673-167169(Top 27%)5717(Top 38%)5717(Top 108%)
25.2M25.20 mi0.35 mi5099-194686-134686-137107(Top 27%)5621(Top 37%)5621(Top 106%)
Finish26.22 mi1.02 mi5128-294700-144700-147050(Top 26%)5589(Top 37%)5589(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

5866

Males

5354

M18-39

5354

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

6066

Males

5513

M18-39

5513

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

5866

Males

5354

M18-39

5354

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6259

Males

5663

M18-39

5663

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

5876

Males

5385

M18-39

5385

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5554

Males

5109

M18-39

5109

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

5772

Males

5198

M18-39

5198

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

5152

Males

4659

M18-39

4659

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2336

Males

2209

M18-39

2209

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3640

Males

3374

M18-39

3374

35K→23M

21.8 - 23.0 mi

Top 12%
×5story building
+23ft-63ft

Overall

3222

Males

2999

M18-39

2999

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5269

Males

4614

M18-39

4614

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7169

Males

5717

M18-39

5717

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7107

Males

5621

M18-39

5621

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

7050

Males

5589

M18-39

5589

Passing Analysis

Category:
Athletes Passed
1156
Passed By
1585
Net Change
-429
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4699
5K → 10K42743-701#4699#5400
10K → 15K67231-164#5400#5564
15K → 20K52246-194#5564#5758
20K → Half2122-1#5758#5759
Half → 25K9952+47#5759#5712
25K → 30K13392+41#5712#5671
30K → 20M9120+71#5671#5600
20M → 21M2330+233#5600#5367
21M → 35K835+78#5367#5289
35K → 23M1915+186#5289#5103
23M → 24M6425+39#5103#5064
24M → 40K3753-16#5064#5080
40K → 25.2M1332-19#5080#5099
25.2M → Finish3059-29#5099#5128
TOTALS11561585-429
📊

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