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BOSTON MARATHON 2023

Liam Grady

Bib: 30849•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
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
28:44
Rank: #21363
Start → 5K
28:44 | 9:15/mi
10K· 6.21 mi
56:25
Rank: #20975 (+388)
5K → 10K
27:41 | 8:55/mi
15K· 9.32 mi
1:23:53
Rank: #20567 (+408)
10K → 15K
27:28 | 8:50/mi
20K· 12.43 mi
1:50:39
Rank: #19875 (+692)
15K → 20K
26:46 | 8:37/mi
Half· 13.11 mi
1:56:33
Rank: #19806 (+69)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:18:20
Rank: #19645 (+161)
Half → 25K
21:47 | 8:59/mi
30K· 18.64 mi
2:47:16
Rank: #19459 (+186)
25K → 30K
28:56 | 9:19/mi
20M
2:59:32
Rank: #19253 (+206)
30K → 20M
12:16 | 9:02/mi
21M
3:09:05
Rank: #19074 (+179)
20M → 21M
9:33 | 9:33/mi
35K· 21.75 mi
3:15:20
Rank: #18915 (+159)
21M → 35K
6:15 | 8:21/mi
23M
3:26:02
Rank: #18606 (+309)
35K → 23M
10:42 | 8:33/mi
24M
3:34:50
Rank: #18501 (+105)
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:42:35
Rank: #18424 (+77)
24M → 40K
7:45 | 9:04/mi
25.2M
3:45:51
Rank: #18370 (+54)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:53:49
Rank: #18141 (+229)
25.2M → Finish
7:58 | 7:49/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:56:33
Pace8:53 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:57:16
Pace8:57 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3928:449:1528:44
9:15
-
10K
6.21 mi12:15:2056:259:0527:41
8:55
-0:20
15K
9.32 mi12:42:481:23:539:0027:28
8:50
-0:05
20K
12.43 mi13:09:341:50:398:5426:46
8:37
-0:13
Half
13.11 mi13:15:281:56:338:535:54
8:39
+0:02
25K
15.53 mi13:37:152:18:208:5421:47
8:59
+0:20
30K
18.64 mi14:06:112:47:168:5828:56
9:19
+0:20
20M
20.00 mi14:18:272:59:328:5912:16
9:02
-0:17
21M
21.00 mi14:28:003:09:059:009:33
9:33
+0:31
35K
21.75 mi14:34:153:15:208:596:15
8:21
-1:12
23M
23.00 mi14:44:573:26:028:5710:42
8:33
+0:12
24M
24.00 mi14:53:453:34:508:578:48
8:48
+0:15
40K
24.85 mi15:01:303:42:358:577:45
9:04
+0:16
25.2M
25.20 mi15:04:463:45:518:583:16
9:28
+0:24
Finish
26.22 mi15:12:443:53:498:557:58
7:49
-1:39

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

7:49 /mi

Average Pace

8:55 /mi

Slowest Pace

9:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:35

25% of race

Time at Steady Pace

1:45:45

45% of race

Time at Slower Pace

1:10:29

30% of race

Average Pace: 8:55 /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 mi11:47:3928:449:1528:44
9:15
#21363
10K
6.21 mi12:15:2056:259:0527:41
8:55
#20975
15K
9.32 mi12:42:481:23:539:0027:28
8:50
#20567
20K
12.43 mi13:09:341:50:398:5426:46
8:37
#19875
Half
13.11 mi13:15:281:56:338:535:54
8:39
#19806
25K
15.53 mi13:37:152:18:208:5421:47
8:59
#19645
30K
18.64 mi14:06:112:47:168:5828:56
9:19
#19459
20M
20.00 mi14:18:272:59:328:5912:16
9:02
#19253
21M
21.00 mi14:28:003:09:059:009:33
9:33
#19074
35K
21.75 mi14:34:153:15:208:596:15
8:21
#18915
23M
23.00 mi14:44:573:26:028:5710:42
8:33
#18606
24M
24.00 mi14:53:453:34:508:578:48
8:48
#18501
40K
24.85 mi15:01:303:42:358:577:45
9:04
#18424
25.2M
25.20 mi15:04:463:45:518:583:16
9:28
#18370
Finish
26.22 mi15:12:443:53:498:557:58
7:49
#18141
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21363127821278219724(Top 74%)12183(Top 80%)12183(Top 231%)
10K6.21 mi3.10 mi20975+38812642+14012642+14020459(Top 77%)12484(Top 82%)12484(Top 236%)
15K9.32 mi3.11 mi20567+40812488+15412488+15419724(Top 74%)12183(Top 80%)12183(Top 231%)
20K12.43 mi3.11 mi19875+69212208+28012208+28017589(Top 66%)11289(Top 74%)11289(Top 214%)
Half13.11 mi0.68 mi19806+6912182+2612182+2618566(Top 70%)11727(Top 77%)11727(Top 222%)
25K15.53 mi2.42 mi19645+16112114+6812114+6818865(Top 71%)11790(Top 78%)11790(Top 223%)
30K18.64 mi3.11 mi19459+18612034+8012034+8018679(Top 70%)11638(Top 77%)11638(Top 220%)
20M20.00 mi1.36 mi19253+20611928+10611928+10616677(Top 63%)10702(Top 71%)10702(Top 202%)
21M21.00 mi1.00 mi19074+17911841+8711841+8716197(Top 61%)10446(Top 69%)10446(Top 198%)
35K21.75 mi0.75 mi18915+15911766+7511766+7514431(Top 54%)9626(Top 63%)9626(Top 182%)
23M23.00 mi1.25 mi18606+30911633+13311633+13313502(Top 51%)9150(Top 60%)9150(Top 173%)
24M24.00 mi1.00 mi18501+10511572+6111572+6116180(Top 61%)10258(Top 68%)10258(Top 194%)
40K24.85 mi0.85 mi18424+7711524+4811524+4816471(Top 62%)10340(Top 68%)10340(Top 196%)
25.2M25.20 mi0.35 mi18370+5411496+2811496+2815041(Top 56%)9717(Top 64%)9717(Top 184%)
Finish26.22 mi1.02 mi18141+22911389+10711389+10710801(Top 41%)7712(Top 51%)7712(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19724

Males

12183

M18-39

12183

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20459

Males

12484

M18-39

12484

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19724

Males

12183

M18-39

12183

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17589

Males

11289

M18-39

11289

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

18566

Males

11727

M18-39

11727

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18865

Males

11790

M18-39

11790

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18679

Males

11638

M18-39

11638

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16677

Males

10702

M18-39

10702

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16197

Males

10446

M18-39

10446

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14431

Males

9626

M18-39

9626

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13502

Males

9150

M18-39

9150

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16180

Males

10258

M18-39

10258

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16471

Males

10340

M18-39

10340

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15041

Males

9717

M18-39

9717

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10801

Males

7712

M18-39

7712

Passing Analysis

Category:
Athletes Passed
3568
Passed By
346
Net Change
+3222
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21363
5K → 10K513125+388#21363#20975
10K → 15K45547+408#20975#20567
15K → 20K6964+692#20567#19875
20K → Half712+69#19875#19806
Half → 25K20342+161#19806#19645
25K → 30K25771+186#19645#19459
30K → 20M2148+206#19459#19253
20M → 21M19415+179#19253#19074
21M → 35K1590+159#19074#18915
35K → 23M3101+309#18915#18606
23M → 24M11611+105#18606#18501
24M → 40K9417+77#18501#18424
40K → 25.2M551+54#18424#18370
25.2M → Finish2312+229#18370#18141
TOTALS3568346+3222
📊

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