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BOSTON MARATHON 2023

Luke Gerwing

Bib: 4860•M

AB

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Division (M18-39)
#0 / 5285
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:21
Rank: #1203
Start → 5K
19:21 | 6:14/mi
10K· 6.21 mi
38:46
Rank: #1338 (-135)
5K → 10K
19:25 | 6:15/mi
15K· 9.32 mi
58:55
Rank: #1676 (-338)
10K → 15K
20:09 | 6:29/mi
20K· 12.43 mi
1:18:20
Rank: #1545 (+131)
15K → 20K
19:25 | 6:15/mi
Half· 13.11 mi
1:22:37
Rank: #1552 (-7)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:38:10
Rank: #1563 (-11)
Half → 25K
15:33 | 6:25/mi
30K· 18.64 mi
1:58:38
Rank: #1609 (-46)
25K → 30K
20:28 | 6:35/mi
20M
2:07:41
Rank: #1629 (-20)
30K → 20M
9:03 | 6:40/mi
21M
2:14:54
Rank: #1653 (-24)
20M → 21M
7:13 | 7:13/mi
35K· 21.75 mi
2:19:53
Rank: #1693 (-40)
21M → 35K
4:59 | 6:40/mi
23M
2:28:51
Rank: #1814 (-121)
35K → 23M
8:58 | 7:10/mi
24M
2:36:09
Rank: #1958 (-144)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
2:42:46
Rank: #2122 (-164)
24M → 40K
6:37 | 7:44/mi
25.2M
2:45:43
Rank: #2206 (-84)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
2:53:13
Rank: #2315 (-109)
25.2M → Finish
7:30 | 7:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:37
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:30:36
Pace6:55 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0719:216:1419:21
6:14
-
10K
6.21 mi10:40:3238:466:1419:25
6:15
+0:01
15K
9.32 mi11:00:4158:556:1920:09
6:29
+0:14
20K
12.43 mi11:20:061:18:206:1819:25
6:15
-0:14
Half
13.11 mi11:24:231:22:376:184:17
6:17
+0:02
25K
15.53 mi11:39:561:38:106:1915:33
6:25
+0:08
30K
18.64 mi12:00:241:58:386:2220:28
6:35
+0:10
20M
20.00 mi12:09:272:07:416:239:03
6:40
+0:05
21M
21.00 mi12:16:402:14:546:257:13
7:13
+0:33
35K
21.75 mi12:21:392:19:536:264:59
6:40
-0:33
23M
23.00 mi12:30:372:28:516:288:58
7:10
+0:30
24M
24.00 mi12:37:552:36:096:307:18
7:18
+0:08
40K
24.85 mi12:44:322:42:466:336:37
7:44
+0:26
25.2M
25.20 mi12:47:292:45:436:352:57
8:33
+0:49
Finish
26.22 mi12:54:592:53:136:377:30
7:22
-1:11

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

6:14 /mi

Average Pace

6:37 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:02:28

36% of race

Time at Steady Pace

1:10:12

41% of race

Time at Slower Pace

40:33

23% of race

Average Pace: 6:36 /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 mi10:21:0719:216:1419:21
6:14
#1203
10K
6.21 mi10:40:3238:466:1419:25
6:15
#1338
15K
9.32 mi11:00:4158:556:1920:09
6:29
#1676
20K
12.43 mi11:20:061:18:206:1819:25
6:15
#1545
Half
13.11 mi11:24:231:22:376:184:17
6:17
#1552
25K
15.53 mi11:39:561:38:106:1915:33
6:25
#1563
30K
18.64 mi12:00:241:58:386:2220:28
6:35
#1609
20M
20.00 mi12:09:272:07:416:239:03
6:40
#1629
21M
21.00 mi12:16:402:14:546:257:13
7:13
#1653
35K
21.75 mi12:21:392:19:536:264:59
6:40
#1693
23M
23.00 mi12:30:372:28:516:288:58
7:10
#1814
24M
24.00 mi12:37:552:36:096:307:18
7:18
#1958
40K
24.85 mi12:44:322:42:466:336:37
7:44
#2122
25.2M
25.20 mi12:47:292:45:436:352:57
8:33
#2206
Finish
26.22 mi12:54:592:53:136:377:30
7:22
#2315
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1203114011402551(Top 10%)2446(Top 16%)2446(Top 46%)
10K6.21 mi3.10 mi1338-1351272-1321272-1321560(Top 6%)1492(Top 10%)1492(Top 28%)
15K9.32 mi3.11 mi1676-3381602-3301602-3302551(Top 10%)2446(Top 16%)2446(Top 46%)
20K12.43 mi3.11 mi1545+1311476+1261476+1261220(Top 5%)1167(Top 8%)1167(Top 22%)
Half13.11 mi0.68 mi1552-71483-71483-71728(Top 6%)1658(Top 11%)1658(Top 31%)
25K15.53 mi2.42 mi1563-111495-121495-121787(Top 7%)1711(Top 11%)1711(Top 32%)
30K18.64 mi3.11 mi1609-461540-451540-451916(Top 7%)1834(Top 12%)1834(Top 35%)
20M20.00 mi1.36 mi1629-201558-181558-182116(Top 8%)2017(Top 13%)2017(Top 38%)
21M21.00 mi1.00 mi1653-241580-221580-223178(Top 12%)2964(Top 20%)2964(Top 56%)
35K21.75 mi0.75 mi1693-401620-401620-403298(Top 12%)3068(Top 20%)3068(Top 58%)
23M23.00 mi1.25 mi1814-1211735-1151735-1154585(Top 17%)4144(Top 27%)4144(Top 78%)
24M24.00 mi1.00 mi1958-1441875-1401875-1406319(Top 24%)5282(Top 35%)5282(Top 100%)
40K24.85 mi0.85 mi2122-1642036-1612036-1618174(Top 31%)6338(Top 42%)6338(Top 120%)
25.2M25.20 mi0.35 mi2206-842117-812117-819731(Top 37%)7117(Top 47%)7117(Top 135%)
Finish26.22 mi1.02 mi2315-1092217-1002217-1007460(Top 28%)5827(Top 38%)5827(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2551

Males

2446

M18-39

2446

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1560

Males

1492

M18-39

1492

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2551

Males

2446

M18-39

2446

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1220

Males

1167

M18-39

1167

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1728

Males

1658

M18-39

1658

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1787

Males

1711

M18-39

1711

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1916

Males

1834

M18-39

1834

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2116

Males

2017

M18-39

2017

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3178

Males

2964

M18-39

2964

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3298

Males

3068

M18-39

3068

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4585

Males

4144

M18-39

4144

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6319

Males

5282

M18-39

5282

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8174

Males

6338

M18-39

6338

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9731

Males

7117

M18-39

7117

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7460

Males

5827

M18-39

5827

Passing Analysis

Category:
Athletes Passed
302
Passed By
1414
Net Change
-1112
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1203
5K → 10K25160-135#1203#1338
10K → 15K6344-338#1338#1676
15K → 20K1332+131#1676#1545
20K → Half512-7#1545#1552
Half → 25K3647-11#1552#1563
25K → 30K3682-46#1563#1609
30K → 20M1434-20#1609#1629
20M → 21M1640-24#1629#1653
21M → 35K1050-40#1653#1693
35K → 23M7128-121#1693#1814
23M → 24M3147-144#1814#1958
24M → 40K6170-164#1958#2122
40K → 25.2M084-84#2122#2206
25.2M → Finish5114-109#2206#2315
TOTALS3021414-1112
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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