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BOSTON MARATHON 2023

Christopher Kelly

Bib: 8557•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 22%
Masters (Masters Men)
#0 / 9891
Top 9%
Division (M40-44)
#0 / 2241
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:47
Rank: #3578
Start → 5K
20:47 | 6:41/mi
10K· 6.21 mi
42:03
Rank: #4663 (-1085)
5K → 10K
21:16 | 6:51/mi
15K· 9.32 mi
1:03:20
Rank: #4951 (-288)
10K → 15K
21:17 | 6:51/mi
20K· 12.43 mi
1:24:38
Rank: #4932 (+19)
15K → 20K
21:18 | 6:51/mi
Half· 13.11 mi
1:29:14
Rank: #4924 (+8)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:56
Rank: #4880 (+44)
Half → 25K
16:42 | 6:53/mi
30K· 18.64 mi
2:07:41
Rank: #4746 (+134)
25K → 30K
21:45 | 7:00/mi
20M
2:17:05
Rank: #4616 (+130)
30K → 20M
9:24 | 6:55/mi
21M
2:24:24
Rank: #4548 (+68)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:29:17
Rank: #4432 (+116)
21M → 35K
4:53 | 6:32/mi
23M
2:37:40
Rank: #4220 (+212)
35K → 23M
8:23 | 6:42/mi
24M
2:44:02
Rank: #4038 (+182)
23M → 24M
6:22 | 6:22/mi
40K· 24.85 mi
2:49:32
Rank: #3852 (+186)
24M → 40K
5:30 | 6:26/mi
25.2M
2:51:50
Rank: #3747 (+105)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:58:03
Rank: #3509 (+238)
25.2M → Finish
6:13 | 6:06/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:14
Pace6:48 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:49
Pace6:47 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0520:476:4120:47
6:41
-
10K
6.21 mi11:07:2142:036:4621:16
6:51
+0:10
15K
9.32 mi11:28:381:03:206:4821:17
6:51
0:00
20K
12.43 mi11:49:561:24:386:4921:18
6:51
0:00
Half
13.11 mi11:54:321:29:146:484:36
6:45
-0:06
25K
15.53 mi12:11:141:45:566:4916:42
6:53
+0:08
30K
18.64 mi12:32:592:07:416:5121:45
7:00
+0:07
20M
20.00 mi12:42:232:17:056:519:24
6:55
-0:05
21M
21.00 mi12:49:422:24:246:537:19
7:19
+0:24
35K
21.75 mi12:54:352:29:176:524:53
6:32
-0:47
23M
23.00 mi13:02:582:37:406:518:23
6:42
+0:10
24M
24.00 mi13:09:202:44:026:506:22
6:22
-0:20
40K
24.85 mi13:14:502:49:326:495:30
6:26
+0:04
25.2M
25.20 mi13:17:082:51:506:492:18
6:40
+0:14
Finish
26.22 mi13:23:212:58:036:486:13
6:06
-0:34

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

6:06 /mi

Average Pace

6:48 /mi

Slowest Pace

7:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:26

31% of race

Time at Steady Pace

1:56:18

65% of race

Time at Slower Pace

7:19

4% of race

Average Pace: 6:47 /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 mi10:46:0520:476:4120:47
6:41
#3578
10K
6.21 mi11:07:2142:036:4621:16
6:51
#4663
15K
9.32 mi11:28:381:03:206:4821:17
6:51
#4951
20K
12.43 mi11:49:561:24:386:4921:18
6:51
#4932
Half
13.11 mi11:54:321:29:146:484:36
6:45
#4924
25K
15.53 mi12:11:141:45:566:4916:42
6:53
#4880
30K
18.64 mi12:32:592:07:416:5121:45
7:00
#4746
20M
20.00 mi12:42:232:17:056:519:24
6:55
#4616
21M
21.00 mi12:49:422:24:246:537:19
7:19
#4548
35K
21.75 mi12:54:352:29:176:524:53
6:32
#4432
23M
23.00 mi13:02:582:37:406:518:23
6:42
#4220
24M
24.00 mi13:09:202:44:026:506:22
6:22
#4038
40K
24.85 mi13:14:502:49:326:495:30
6:26
#3852
25.2M
25.20 mi13:17:082:51:506:492:18
6:40
#3747
Finish
26.22 mi13:23:212:58:036:486:13
6:06
#3509
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3578337133715546(Top 21%)5100(Top 34%)5100(Top 228%)
10K6.21 mi3.10 mi4663-10854348-9774348-9775681(Top 21%)5202(Top 34%)5202(Top 232%)
15K9.32 mi3.11 mi4951-2884598-2504598-2505546(Top 21%)5100(Top 34%)5100(Top 228%)
20K12.43 mi3.11 mi4932+194591+74591+74948(Top 19%)4590(Top 30%)4590(Top 205%)
Half13.11 mi0.68 mi4924+84580+114580+114658(Top 17%)4320(Top 28%)4320(Top 193%)
25K15.53 mi2.42 mi4880+444536+444536+444848(Top 18%)4487(Top 30%)4487(Top 200%)
30K18.64 mi3.11 mi4746+1344419+1174419+1174332(Top 16%)4024(Top 27%)4024(Top 180%)
20M20.00 mi1.36 mi4616+1304303+1164303+1163520(Top 13%)3285(Top 22%)3285(Top 147%)
21M21.00 mi1.00 mi4548+684241+624241+623679(Top 14%)3410(Top 22%)3410(Top 152%)
35K21.75 mi0.75 mi4432+1164133+1084133+1082602(Top 10%)2461(Top 16%)2461(Top 110%)
23M23.00 mi1.25 mi4220+2123949+1843949+1842182(Top 8%)2062(Top 14%)2062(Top 92%)
24M24.00 mi1.00 mi4038+1823783+1663783+1661592(Top 6%)1508(Top 10%)1508(Top 67%)
40K24.85 mi0.85 mi3852+1863617+1663617+1661340(Top 5%)1267(Top 8%)1267(Top 57%)
25.2M25.20 mi0.35 mi3747+1053522+953522+95866(Top 3%)827(Top 5%)827(Top 37%)
Finish26.22 mi1.02 mi3509+2383304+2183304+2181000(Top 4%)954(Top 6%)954(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5546

Males

5100

M40-44

5100

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5681

Males

5202

M40-44

5202

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5546

Males

5100

M40-44

5100

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4948

Males

4590

M40-44

4590

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4658

Males

4320

M40-44

4320

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4848

Males

4487

M40-44

4487

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4332

Males

4024

M40-44

4024

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3520

Males

3285

M40-44

3285

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3679

Males

3410

M40-44

3410

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2602

Males

2461

M40-44

2461

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2182

Males

2062

M40-44

2062

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1592

Males

1508

M40-44

1508

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1340

Males

1267

M40-44

1267

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

866

Males

827

M40-44

827

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1000

Males

954

M40-44

954

Passing Analysis

Category:
Athletes Passed
1797
Passed By
1728
Net Change
+69
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3578
5K → 10K121097-1085#3578#4663
10K → 15K42330-288#4663#4951
15K → 20K10990+19#4951#4932
20K → Half2517+8#4932#4924
Half → 25K12278+44#4924#4880
25K → 30K20470+134#4880#4746
30K → 20M14010+130#4746#4616
20M → 21M9426+68#4616#4548
21M → 35K1193+116#4548#4432
35K → 23M2175+212#4432#4220
23M → 24M1842+182#4220#4038
24M → 40K1860+186#4038#3852
40K → 25.2M1050+105#3852#3747
25.2M → Finish2380+238#3747#3509
TOTALS17971728+69
📊

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