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BOSTON MARATHON 2023

Liam Struwe

Bib: 4567•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 15%
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
6:10/mi
19:09
↑ 97↓ 3451.5%
10K· 6.21 mi
6:12/mi
38:26
↑ 79↓ 1380.4%
15K· 9.32 mi
6:11/mi
57:40
↑ 67↓ 78
20K· 12.43 mi
6:11/mi
1:16:53
↑ 106↓ 860.1%
Half· 13.11 mi
6:08/mi
1:21:04
↑ 19↓ 370.5%
25K· 15.53 mi
6:16/mi
1:36:16
↑ 66↓ 880.2%
30K· 18.64 mi
6:19/mi
1:55:55
↑ 181↓ 1480.2%
20M
6:16/mi
2:04:26
↑ 64↓ 500.2%
21M
6:44/mi
2:11:10
↑ 106↓ 241.6%
35K· 21.75 mi
6:10/mi
2:15:47
↑ 17↓ 861.7%
23M
6:23/mi
2:23:46
↑ 23↓ 630.6%
24M
6:13/mi
2:29:59
↓ 821.3%
40K· 24.85 mi
6:20/mi
2:35:24
↓ 200.3%
25.2M
6:46/mi
2:37:44
↑ 13↓ 160.2%
Finish· 26.22 mi
6:15/mi
2:44:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:04
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:23:02
Pace6:20 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5619:096:1019:09
6:10
-
10K
6.21 mi10:40:1338:266:1119:17
6:12
+0:02
15K
9.32 mi10:59:2757:406:1119:14
6:11
-0:01
20K
12.43 mi11:18:401:16:536:1119:13
6:11
0:00
Half
13.11 mi11:22:511:21:046:114:11
6:08
-0:03
25K
15.53 mi11:38:031:36:166:1215:12
6:16
+0:08
30K
18.64 mi11:57:421:55:556:1319:39
6:19
+0:03
20M
20.00 mi12:06:132:04:266:138:31
6:16
-0:03
21M
21.00 mi12:12:572:11:106:156:44
6:44
+0:28
35K
21.75 mi12:17:342:15:476:154:37
6:10
-0:34
23M
23.00 mi12:25:332:23:466:157:59
6:23
+0:13
24M
24.00 mi12:31:462:29:596:156:13
6:13
-0:10
40K
24.85 mi12:37:112:35:246:155:25
6:20
+0:07
25.2M
25.20 mi12:39:312:37:446:162:20
6:46
+0:26
Finish
26.22 mi12:45:532:44:066:166:22
6:15
-0:31

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

6:08 /mi

Average Pace

6:16 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:46

99% of race

Time at Steady Pace

2:20

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:16 /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 mi10:20:5619:096:1019:09
6:10
#1053
10K
6.21 mi10:40:1338:266:1119:17
6:12
#1163
15K
9.32 mi10:59:2757:406:1119:14
6:11
#1162
20K
12.43 mi11:18:401:16:536:1119:13
6:11
#1125
Half
13.11 mi11:22:511:21:046:114:11
6:08
#1121
25K
15.53 mi11:38:031:36:166:1215:12
6:16
#1120
30K
18.64 mi11:57:421:55:556:1319:39
6:19
#1082
20M
20.00 mi12:06:132:04:266:138:31
6:16
#1040
21M
21.00 mi12:12:572:11:106:156:44
6:44
#1024
35K
21.75 mi12:17:342:15:476:154:37
6:10
#1019
23M
23.00 mi12:25:332:23:466:157:59
6:23
#997
24M
24.00 mi12:31:462:29:596:156:13
6:13
#984
40K
24.85 mi12:37:112:35:246:155:25
6:20
#976
25.2M
25.20 mi12:39:312:37:446:162:20
6:46
#970
Finish
26.22 mi12:45:532:44:066:166:22
6:15
#975
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10539959951207(Top 5%)1150(Top 8%)1150(Top 22%)
10K6.21 mi3.10 mi1163-1101100-1051100-1051375(Top 5%)1310(Top 9%)1310(Top 25%)
15K9.32 mi3.11 mi1162+11102-21102-21207(Top 5%)1150(Top 8%)1150(Top 22%)
20K12.43 mi3.11 mi1125+371070+321070+321013(Top 4%)963(Top 6%)963(Top 18%)
Half13.11 mi0.68 mi1121+41066+41066+41107(Top 4%)1056(Top 7%)1056(Top 20%)
25K15.53 mi2.42 mi1120+11065+11065+11206(Top 5%)1152(Top 8%)1152(Top 22%)
30K18.64 mi3.11 mi1082+381031+341031+34979(Top 4%)931(Top 6%)931(Top 18%)
20M20.00 mi1.36 mi1040+42989+42989+42798(Top 3%)758(Top 5%)758(Top 14%)
21M21.00 mi1.00 mi1024+16974+15974+151191(Top 4%)1133(Top 7%)1133(Top 21%)
35K21.75 mi0.75 mi1019+5969+5969+51136(Top 4%)1080(Top 7%)1080(Top 20%)
23M23.00 mi1.25 mi997+22948+21948+211021(Top 4%)968(Top 6%)968(Top 18%)
24M24.00 mi1.00 mi984+13935+13935+131065(Top 4%)1007(Top 7%)1007(Top 19%)
40K24.85 mi0.85 mi976+8927+8927+8992(Top 4%)939(Top 6%)939(Top 18%)
25.2M25.20 mi0.35 mi970+6921+6921+61040(Top 4%)987(Top 7%)987(Top 19%)
Finish26.22 mi1.02 mi975-5927-6927-61418(Top 5%)1341(Top 9%)1341(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1207

Males

1150

M18-39

1150

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1375

Males

1310

M18-39

1310

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1207

Males

1150

M18-39

1150

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1013

Males

963

M18-39

963

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1107

Males

1056

M18-39

1056

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1206

Males

1152

M18-39

1152

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

979

Males

931

M18-39

931

30K→20M

18.6 - 20.0 mi

Top 3%
×5story building
+64ft-50ft

Overall

798

Males

758

M18-39

758

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

1191

Males

1133

M18-39

1133

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1136

Males

1080

M18-39

1080

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1021

Males

968

M18-39

968

23M→24M

23.0 - 24.0 mi

Top 4%
×6story building
+12ft-82ft

Overall

1065

Males

1007

M18-39

1007

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

992

Males

939

M18-39

939

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1040

Males

987

M18-39

987

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2story building
+22ft-21ft

Overall

1418

Males

1341

M18-39

1341

Passing Analysis

Category:
Athletes Passed
367
Passed By
289
Net Change
+78
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1053
5K → 10K16126-110#1053#1163
10K → 15K3635+1#1163#1162
15K → 20K4811+37#1162#1125
20K → Half51+4#1125#1121
Half → 25K3029+1#1121#1120
25K → 30K5719+38#1120#1082
30K → 20M464+42#1082#1040
20M → 21M2711+16#1040#1024
21M → 35K149+5#1024#1019
35K → 23M253+22#1019#997
23M → 24M229+13#997#984
24M → 40K168+8#984#976
40K → 25.2M60+6#976#970
25.2M → Finish1924-5#970#975
TOTALS367289+78
📊

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