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BOSTON MARATHON 2023

Chris Griffin

Bib: 10107•M

NS

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 45%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 49%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:40
Rank: #10687
Start → 5K
23:40 | 7:37/mi
10K· 6.21 mi
49:40
Rank: #14336 (-3649)
5K → 10K
26:00 | 8:22/mi
15K· 9.32 mi
1:13:10
Rank: #13128 (+1208)
10K → 15K
23:30 | 7:34/mi
20K· 12.43 mi
1:37:16
Rank: #12633 (+495)
15K → 20K
24:06 | 7:45/mi
Half· 13.11 mi
1:42:22
Rank: #12484 (+149)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
2:01:31
Rank: #12368 (+116)
Half → 25K
19:09 | 7:54/mi
30K· 18.64 mi
2:26:54
Rank: #12308 (+60)
25K → 30K
25:23 | 8:10/mi
20M
2:39:26
Rank: #12807 (-499)
30K → 20M
12:32 | 9:13/mi
21M
2:48:01
Rank: #12668 (+139)
20M → 21M
8:35 | 8:35/mi
35K· 21.75 mi
2:53:46
Rank: #12542 (+126)
21M → 35K
5:45 | 7:41/mi
23M
3:03:44
Rank: #12351 (+191)
35K → 23M
9:58 | 7:58/mi
24M
3:11:28
Rank: #12226 (+125)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
3:18:10
Rank: #12074 (+152)
24M → 40K
6:42 | 7:50/mi
25.2M
3:21:03
Rank: #12006 (+68)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:28:40
Rank: #11846 (+160)
25.2M → Finish
7:37 | 7:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:22
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:46:18
Pace8:07 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0023:407:3723:40
7:37
-
10K
6.21 mi11:16:0049:408:0026:00
8:22
+0:45
15K
9.32 mi11:39:301:13:107:5123:30
7:34
-0:48
20K
12.43 mi12:03:361:37:167:5024:06
7:45
+0:11
Half
13.11 mi12:08:421:42:227:495:06
7:29
-0:16
25K
15.53 mi12:27:512:01:317:4919:09
7:54
+0:25
30K
18.64 mi12:53:142:26:547:5325:23
8:10
+0:16
20M
20.00 mi13:05:462:39:267:5812:32
9:13
+1:03
21M
21.00 mi13:14:212:48:018:008:35
8:35
-0:38
35K
21.75 mi13:20:062:53:467:595:45
7:41
-0:54
23M
23.00 mi13:30:043:03:447:599:58
7:58
+0:17
24M
24.00 mi13:37:483:11:287:597:44
7:44
-0:14
40K
24.85 mi13:44:303:18:107:586:42
7:50
+0:06
25.2M
25.20 mi13:47:233:21:037:592:53
8:22
+0:32
Finish
26.22 mi13:55:003:28:407:587:37
7:28
-0:54

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

7:28 /mi

Average Pace

7:58 /mi

Slowest Pace

9:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:13

17% of race

Time at Steady Pace

1:37:04

47% of race

Time at Slower Pace

1:15:23

36% of race

Average Pace: 7:57 /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 mi10:50:0023:407:3723:40
7:37
#10687
10K
6.21 mi11:16:0049:408:0026:00
8:22
#14336
15K
9.32 mi11:39:301:13:107:5123:30
7:34
#13128
20K
12.43 mi12:03:361:37:167:5024:06
7:45
#12633
Half
13.11 mi12:08:421:42:227:495:06
7:29
#12484
25K
15.53 mi12:27:512:01:317:4919:09
7:54
#12368
30K
18.64 mi12:53:142:26:547:5325:23
8:10
#12308
20M
20.00 mi13:05:462:39:267:5812:32
9:13
#12807
21M
21.00 mi13:14:212:48:018:008:35
8:35
#12668
35K
21.75 mi13:20:062:53:467:595:45
7:41
#12542
23M
23.00 mi13:30:043:03:447:599:58
7:58
#12351
24M
24.00 mi13:37:483:11:287:597:44
7:44
#12226
40K
24.85 mi13:44:303:18:107:586:42
7:50
#12074
25.2M
25.20 mi13:47:233:21:037:592:53
8:22
#12006
Finish
26.22 mi13:55:003:28:407:587:37
7:28
#11846
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi106878499849910698(Top 40%)8506(Top 56%)8506(Top 380%)
10K6.21 mi3.10 mi14336-364910066-156710066-156717350(Top 65%)11234(Top 74%)11234(Top 501%)
15K9.32 mi3.11 mi13128+12089570+4969570+49610698(Top 40%)8506(Top 56%)8506(Top 380%)
20K12.43 mi3.11 mi12633+4959339+2319339+23111361(Top 43%)8739(Top 58%)8739(Top 390%)
Half13.11 mi0.68 mi12484+1499276+639276+6310023(Top 38%)8133(Top 54%)8133(Top 363%)
25K15.53 mi2.42 mi12368+1169198+789198+7811894(Top 45%)8863(Top 58%)8863(Top 395%)
30K18.64 mi3.11 mi12308+609134+649134+6412120(Top 46%)8848(Top 58%)8848(Top 395%)
20M20.00 mi1.36 mi12807-4999337-2039337-20317638(Top 66%)11068(Top 73%)11068(Top 494%)
21M21.00 mi1.00 mi12668+1399256+819256+8110958(Top 41%)8103(Top 53%)8103(Top 362%)
35K21.75 mi0.75 mi12542+1269188+689188+689846(Top 37%)7559(Top 50%)7559(Top 337%)
23M23.00 mi1.25 mi12351+1919080+1089080+1089476(Top 36%)7222(Top 48%)7222(Top 322%)
24M24.00 mi1.00 mi12226+1259006+749006+749298(Top 35%)7050(Top 46%)7050(Top 315%)
40K24.85 mi0.85 mi12074+1528914+928914+928906(Top 33%)6768(Top 45%)6768(Top 302%)
25.2M25.20 mi0.35 mi12006+688883+318883+318668(Top 33%)6569(Top 43%)6569(Top 293%)
Finish26.22 mi1.02 mi11846+1608795+888795+888371(Top 31%)6387(Top 42%)6387(Top 285%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10698

Males

8506

M40-44

8506

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

17350

Males

11234

M40-44

11234

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10698

Males

8506

M40-44

8506

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11361

Males

8739

M40-44

8739

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10023

Males

8133

M40-44

8133

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11894

Males

8863

M40-44

8863

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12120

Males

8848

M40-44

8848

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

17638

Males

11068

M40-44

11068

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10958

Males

8103

M40-44

8103

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9846

Males

7559

M40-44

7559

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9476

Males

7222

M40-44

7222

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9298

Males

7050

M40-44

7050

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8906

Males

6768

M40-44

6768

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8668

Males

6569

M40-44

6569

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8371

Males

6387

M40-44

6387

Passing Analysis

Category:
Athletes Passed
3368
Passed By
4527
Net Change
-1159
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10687
5K → 10K33652-3649#10687#14336
10K → 15K12113+1208#14336#13128
15K → 20K51520+495#13128#12633
20K → Half1501+149#12633#12484
Half → 25K18064+116#12484#12368
25K → 30K236176+60#12368#12308
30K → 20M22521-499#12308#12807
20M → 21M17435+139#12807#12668
21M → 35K1315+126#12668#12542
35K → 23M21019+191#12542#12351
23M → 24M13510+125#12351#12226
24M → 40K1608+152#12226#12074
40K → 25.2M702+68#12074#12006
25.2M → Finish17111+160#12006#11846
TOTALS33684527-1159
📊

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