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BOSTON MARATHON 2023

Sam Griffen

Bib: 1733•M

AZ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:25
Rank: #1256
Start → 5K
19:25 | 6:15/mi
10K· 6.21 mi
38:46
Rank: #1331 (-75)
5K → 10K
19:21 | 6:14/mi
15K· 9.32 mi
58:01
Rank: #1271 (+60)
10K → 15K
19:15 | 6:12/mi
20K· 12.43 mi
1:17:11
Rank: #1184 (+87)
15K → 20K
19:10 | 6:10/mi
Half· 13.11 mi
1:21:20
Rank: #1170 (+14)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:36:15
Rank: #1115 (+55)
Half → 25K
14:55 | 6:09/mi
30K· 18.64 mi
1:55:32
Rank: #1010 (+105)
25K → 30K
19:17 | 6:12/mi
20M
2:04:01
Rank: #979 (+31)
30K → 20M
8:29 | 6:15/mi
21M
2:10:27
Rank: #936 (+43)
20M → 21M
6:26 | 6:26/mi
35K· 21.75 mi
2:14:55
Rank: #929 (+7)
21M → 35K
4:28 | 5:58/mi
23M
2:22:42
Rank: #891 (+38)
35K → 23M
7:47 | 6:13/mi
24M
2:28:46
Rank: #869 (+22)
23M → 24M
6:04 | 6:04/mi
40K· 24.85 mi
2:34:07
Rank: #846 (+23)
24M → 40K
5:21 | 6:15/mi
25.2M
2:36:22
Rank: #834 (+12)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:42:28
Rank: #807 (+27)
25.2M → Finish
6:06 | 5:59/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:21:20
Pace6:12 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:08
Pace6:11 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2119:256:1519:25
6:15
-
10K
6.21 mi10:40:4238:466:1419:21
6:14
-0:01
15K
9.32 mi10:59:5758:016:1319:15
6:12
-0:02
20K
12.43 mi11:19:071:17:116:1319:10
6:10
-0:02
Half
13.11 mi11:23:161:21:206:124:09
6:05
-0:05
25K
15.53 mi11:38:111:36:156:1214:55
6:09
+0:04
30K
18.64 mi11:57:281:55:326:1219:17
6:12
+0:03
20M
20.00 mi12:05:572:04:016:128:29
6:15
+0:03
21M
21.00 mi12:12:232:10:276:136:26
6:26
+0:11
35K
21.75 mi12:16:512:14:556:124:28
5:58
-0:28
23M
23.00 mi12:24:382:22:426:127:47
6:13
+0:15
24M
24.00 mi12:30:422:28:466:126:04
6:04
-0:09
40K
24.85 mi12:36:032:34:076:125:21
6:15
+0:11
25.2M
25.20 mi12:38:182:36:226:122:15
6:31
+0:16
Finish
26.22 mi12:44:242:42:286:126:06
5:59
-0:32

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

5:58 /mi

Average Pace

6:12 /mi

Slowest Pace

6:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:47

95% of race

Time at Steady Pace

8:41

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:12 /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 mi10:21:2119:256:1519:25
6:15
#1256
10K
6.21 mi10:40:4238:466:1419:21
6:14
#1331
15K
9.32 mi10:59:5758:016:1319:15
6:12
#1271
20K
12.43 mi11:19:071:17:116:1319:10
6:10
#1184
Half
13.11 mi11:23:161:21:206:124:09
6:05
#1170
25K
15.53 mi11:38:111:36:156:1214:55
6:09
#1115
30K
18.64 mi11:57:281:55:326:1219:17
6:12
#1010
20M
20.00 mi12:05:572:04:016:128:29
6:15
#979
21M
21.00 mi12:12:232:10:276:136:26
6:26
#936
35K
21.75 mi12:16:512:14:556:124:28
5:58
#929
23M
23.00 mi12:24:382:22:426:127:47
6:13
#891
24M
24.00 mi12:30:422:28:466:126:04
6:04
#869
40K
24.85 mi12:36:032:34:076:125:21
6:15
#846
25.2M
25.20 mi12:38:182:36:226:122:15
6:31
#834
Finish
26.22 mi12:44:242:42:286:126:06
5:59
#807
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1256119011901218(Top 5%)1161(Top 8%)1161(Top 22%)
10K6.21 mi3.10 mi1331-751265-751265-751452(Top 5%)1386(Top 9%)1386(Top 26%)
15K9.32 mi3.11 mi1271+601208+571208+571218(Top 5%)1161(Top 8%)1161(Top 22%)
20K12.43 mi3.11 mi1184+871127+811127+81965(Top 4%)917(Top 6%)917(Top 17%)
Half13.11 mi0.68 mi1170+141114+131114+13955(Top 4%)909(Top 6%)909(Top 17%)
25K15.53 mi2.42 mi1115+551060+541060+54865(Top 3%)819(Top 5%)819(Top 15%)
30K18.64 mi3.11 mi1010+105960+100960+100696(Top 3%)659(Top 4%)659(Top 12%)
20M20.00 mi1.36 mi979+31929+31929+31743(Top 3%)704(Top 5%)704(Top 13%)
21M21.00 mi1.00 mi936+43889+40889+40543(Top 2%)509(Top 3%)509(Top 10%)
35K21.75 mi0.75 mi929+7882+7882+7629(Top 2%)591(Top 4%)591(Top 11%)
23M23.00 mi1.25 mi891+38844+38844+38644(Top 2%)608(Top 4%)608(Top 12%)
24M24.00 mi1.00 mi869+22823+21823+21685(Top 3%)648(Top 4%)648(Top 12%)
40K24.85 mi0.85 mi846+23800+23800+23775(Top 3%)734(Top 5%)734(Top 14%)
25.2M25.20 mi0.35 mi834+12789+11789+11544(Top 2%)512(Top 3%)512(Top 10%)
Finish26.22 mi1.02 mi807+27763+26763+26690(Top 3%)659(Top 4%)659(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1218

Males

1161

M18-39

1161

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1452

Males

1386

M18-39

1386

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1218

Males

1161

M18-39

1161

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

965

Males

917

M18-39

917

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

955

Males

909

M18-39

909

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

865

Males

819

M18-39

819

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

696

Males

659

M18-39

659

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

743

Males

704

M18-39

704

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

543

Males

509

M18-39

509

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

629

Males

591

M18-39

591

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

644

Males

608

M18-39

608

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

685

Males

648

M18-39

648

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

775

Males

734

M18-39

734

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

544

Males

512

M18-39

512

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

690

Males

659

M18-39

659

Passing Analysis

Category:
Athletes Passed
625
Passed By
176
Net Change
+449
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1256
5K → 10K44119-75#1256#1331
10K → 15K8323+60#1331#1271
15K → 20K914+87#1271#1184
20K → Half140+14#1184#1170
Half → 25K605+55#1170#1115
25K → 30K1094+105#1115#1010
30K → 20M376+31#1010#979
20M → 21M430+43#979#936
21M → 35K114+7#936#929
35K → 23M402+38#929#891
23M → 24M253+22#891#869
24M → 40K230+23#869#846
40K → 25.2M120+12#846#834
25.2M → Finish336+27#834#807
TOTALS625176+449
📊

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