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BOSTON MARATHON 2023

Ryan Gerlach

Bib: 7210•M

AB

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 27%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:01
Rank: #4305
Start → 5K
21:01 | 6:46/mi
10K· 6.21 mi
42:04
Rank: #4693 (-388)
5K → 10K
21:03 | 6:47/mi
15K· 9.32 mi
1:03:10
Rank: #4772 (-79)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:24:27
Rank: #4796 (-24)
15K → 20K
21:17 | 6:51/mi
Half· 13.11 mi
1:28:58
Rank: #4723 (+73)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:45:11
Rank: #4413 (+310)
Half → 25K
16:13 | 6:41/mi
30K· 18.64 mi
2:06:52
Rank: #4356 (+57)
25K → 30K
21:41 | 6:59/mi
20M
2:16:32
Rank: #4389 (-33)
30K → 20M
9:40 | 7:07/mi
21M
2:24:00
Rank: #4381 (+8)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:29:06
Rank: #4360 (+21)
21M → 35K
5:06 | 6:49/mi
23M
2:37:44
Rank: #4245 (+115)
35K → 23M
8:38 | 6:54/mi
24M
2:44:36
Rank: #4265 (-20)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:50:37
Rank: #4235 (+30)
24M → 40K
6:01 | 7:02/mi
25.2M
2:53:23
Rank: #4276 (-41)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:00:46
Rank: #4368 (-92)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:58
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:31:48
Pace7:00 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3221:016:4621:01
6:46
-
10K
6.21 mi10:46:3542:046:4621:03
6:47
+0:01
15K
9.32 mi11:07:411:03:106:4721:06
6:47
0:00
20K
12.43 mi11:28:581:24:276:4821:17
6:51
+0:04
Half
13.11 mi11:33:291:28:586:474:31
6:37
-0:14
25K
15.53 mi11:49:421:45:116:4616:13
6:41
+0:04
30K
18.64 mi12:11:232:06:526:4821:41
6:59
+0:18
20M
20.00 mi12:21:032:16:326:509:40
7:07
+0:08
21M
21.00 mi12:28:312:24:006:517:28
7:28
+0:21
35K
21.75 mi12:33:372:29:066:515:06
6:49
-0:39
23M
23.00 mi12:42:152:37:446:518:38
6:54
+0:05
24M
24.00 mi12:49:072:44:366:526:52
6:52
-0:02
40K
24.85 mi12:55:082:50:376:526:01
7:02
+0:10
25.2M
25.20 mi12:57:542:53:236:532:46
8:01
+0:59
Finish
26.22 mi13:05:173:00:466:547:23
7:15
-0:46

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

6:37 /mi

Average Pace

6:54 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:44

11% of race

Time at Steady Pace

2:12:45

73% of race

Time at Slower Pace

27:17

15% of race

Average Pace: 6:54 /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 mi10:25:3221:016:4621:01
6:46
#4305
10K
6.21 mi10:46:3542:046:4621:03
6:47
#4693
15K
9.32 mi11:07:411:03:106:4721:06
6:47
#4772
20K
12.43 mi11:28:581:24:276:4821:17
6:51
#4796
Half
13.11 mi11:33:291:28:586:474:31
6:37
#4723
25K
15.53 mi11:49:421:45:116:4616:13
6:41
#4413
30K
18.64 mi12:11:232:06:526:4821:41
6:59
#4356
20M
20.00 mi12:21:032:16:326:509:40
7:07
#4389
21M
21.00 mi12:28:312:24:006:517:28
7:28
#4381
35K
21.75 mi12:33:372:29:066:515:06
6:49
#4360
23M
23.00 mi12:42:152:37:446:518:38
6:54
#4245
24M
24.00 mi12:49:072:44:366:526:52
6:52
#4265
40K
24.85 mi12:55:082:50:376:526:01
7:02
#4235
25.2M
25.20 mi12:57:542:53:236:532:46
8:01
#4276
Finish
26.22 mi13:05:173:00:466:547:23
7:15
#4368
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4305402340235017(Top 19%)4657(Top 31%)4657(Top 88%)
10K6.21 mi3.10 mi4693-3884375-3524375-3525047(Top 19%)4670(Top 31%)4670(Top 88%)
15K9.32 mi3.11 mi4772-794440-654440-655017(Top 19%)4657(Top 31%)4657(Top 88%)
20K12.43 mi3.11 mi4796-244469-294469-294910(Top 18%)4559(Top 30%)4559(Top 86%)
Half13.11 mi0.68 mi4723+734402+674402+673623(Top 14%)3431(Top 23%)3431(Top 65%)
25K15.53 mi2.42 mi4413+3104127+2754127+2753289(Top 12%)3129(Top 21%)3129(Top 59%)
30K18.64 mi3.11 mi4356+574074+534074+534217(Top 16%)3931(Top 26%)3931(Top 74%)
20M20.00 mi1.36 mi4389-334098-244098-244670(Top 18%)4275(Top 28%)4275(Top 81%)
21M21.00 mi1.00 mi4381+84093+54093+54410(Top 17%)4024(Top 27%)4024(Top 76%)
35K21.75 mi0.75 mi4360+214071+224071+224294(Top 16%)3929(Top 26%)3929(Top 74%)
23M23.00 mi1.25 mi4245+1153972+993972+993217(Top 12%)2994(Top 20%)2994(Top 57%)
24M24.00 mi1.00 mi4265-203990-183990-184018(Top 15%)3666(Top 24%)3666(Top 69%)
40K24.85 mi0.85 mi4235+303961+293961+294024(Top 15%)3606(Top 24%)3606(Top 68%)
25.2M25.20 mi0.35 mi4276-413993-323993-326523(Top 25%)5249(Top 35%)5249(Top 99%)
Finish26.22 mi1.02 mi4368-924075-824075-826686(Top 25%)5359(Top 35%)5359(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5017

Males

4657

M18-39

4657

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5047

Males

4670

M18-39

4670

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5017

Males

4657

M18-39

4657

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4910

Males

4559

M18-39

4559

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3623

Males

3431

M18-39

3431

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3289

Males

3129

M18-39

3129

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4217

Males

3931

M18-39

3931

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4670

Males

4275

M18-39

4275

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4410

Males

4024

M18-39

4024

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4294

Males

3929

M18-39

3929

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3217

Males

2994

M18-39

2994

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4018

Males

3666

M18-39

3666

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4024

Males

3606

M18-39

3606

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6523

Males

5249

M18-39

5249

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6686

Males

5359

M18-39

5359

Passing Analysis

Category:
Athletes Passed
1226
Passed By
1289
Net Change
-63
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4305
5K → 10K82470-388#4305#4693
10K → 15K87166-79#4693#4772
15K → 20K90114-24#4772#4796
20K → Half807+73#4796#4723
Half → 25K3155+310#4723#4413
25K → 30K13780+57#4413#4356
30K → 20M5487-33#4356#4389
20M → 21M6860+8#4389#4381
21M → 35K5231+21#4381#4360
35K → 23M12914+115#4360#4245
23M → 24M4262-20#4245#4265
24M → 40K6535+30#4265#4235
40K → 25.2M950-41#4235#4276
25.2M → Finish16108-92#4276#4368
TOTALS12261289-63
📊

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