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BOSTON MARATHON 2023

Christopher Kimball

Bib: 930•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 31%
Gender (Male)
#0 / 15176
Top 45%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:02
Rank: #960
Start → 5K
19:02 | 6:08/mi
10K· 6.21 mi
38:09
Rank: #1057 (-97)
5K → 10K
19:07 | 6:09/mi
15K· 9.32 mi
57:05
Rank: #1023 (+34)
10K → 15K
18:56 | 6:06/mi
20K· 12.43 mi
1:15:57
Rank: #941 (+82)
15K → 20K
18:52 | 6:04/mi
Half· 13.11 mi
1:20:01
Rank: #927 (+14)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:34:39
Rank: #852 (+75)
Half → 25K
14:38 | 6:02/mi
30K· 18.64 mi
1:53:51
Rank: #792 (+60)
25K → 30K
19:12 | 6:11/mi
20M
2:02:39
Rank: #815 (-23)
30K → 20M
8:48 | 6:29/mi
21M
2:14:20
Rank: #1560 (-745)
20M → 21M
11:41 | 11:41/mi
35K· 21.75 mi
2:20:35
Rank: #1843 (-283)
21M → 35K
6:15 | 8:21/mi
23M
2:40:05
Rank: #4981 (-3138)
35K → 23M
19:30 | 15:34/mi
24M
2:54:20
Rank: #6710 (-1729)
23M → 24M
14:15 | 14:15/mi
40K· 24.85 mi
3:03:53
Rank: #7529 (-819)
24M → 40K
9:33 | 11:10/mi
25.2M
3:08:17
Rank: #7987 (-458)
40K → 25.2M
4:24 | 12:46/mi
Finish· 26.22 mi
3:16:53
Rank: #8258 (-271)
25.2M → Finish
8:36 | 8:26/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:01
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:56:52
Pace8:55 /mi
📊Positive Split: 46.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1119:026:0819:02
6:08
-
10K
6.21 mi10:38:1838:096:0819:07
6:09
+0:01
15K
9.32 mi10:57:1457:056:0718:56
6:06
-0:03
20K
12.43 mi11:16:061:15:576:0718:52
6:04
-0:02
Half
13.11 mi11:20:101:20:016:064:04
5:58
-0:06
25K
15.53 mi11:34:481:34:396:0614:38
6:02
+0:04
30K
18.64 mi11:54:001:53:516:0619:12
6:11
+0:09
20M
20.00 mi12:02:482:02:396:088:48
6:29
+0:18
21M
21.00 mi12:14:292:14:206:2411:41
11:41
+5:12
35K
21.75 mi12:20:442:20:356:286:15
8:21
-3:20
23M
23.00 mi12:40:142:40:056:5819:30
15:34
+7:13
24M
24.00 mi12:54:292:54:207:1614:15
14:15
-1:19
40K
24.85 mi13:04:023:03:537:249:33
11:10
-3:05
25.2M
25.20 mi13:08:263:08:177:284:24
12:46
+1:36
Finish
26.22 mi13:17:023:16:537:318:36
8:26
-4:20

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

7:31 /mi

Slowest Pace

15:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:02:39

62% of race

Time at Slower Pace

1:14:14

38% of race

Average Pace: 7:31 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:19:1119:026:0819:02
6:08
#960
10K
6.21 mi10:38:1838:096:0819:07
6:09
#1057
15K
9.32 mi10:57:1457:056:0718:56
6:06
#1023
20K
12.43 mi11:16:061:15:576:0718:52
6:04
#941
Half
13.11 mi11:20:101:20:016:064:04
5:58
#927
25K
15.53 mi11:34:481:34:396:0614:38
6:02
#852
30K
18.64 mi11:54:001:53:516:0619:12
6:11
#792
20M
20.00 mi12:02:482:02:396:088:48
6:29
#815
21M
21.00 mi12:14:292:14:206:2411:41
11:41
#1560
35K
21.75 mi12:20:442:20:356:286:15
8:21
#1843
23M
23.00 mi12:40:142:40:056:5819:30
15:34
#4981
24M
24.00 mi12:54:292:54:207:1614:15
14:15
#6710
40K
24.85 mi13:04:023:03:537:249:33
11:10
#7529
25.2M
25.20 mi13:08:263:08:177:284:24
12:46
#7987
Finish
26.22 mi13:17:023:16:537:318:36
8:26
#8258
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi960904904960(Top 4%)911(Top 6%)911(Top 17%)
10K6.21 mi3.10 mi1057-971000-961000-961193(Top 4%)1132(Top 7%)1132(Top 21%)
15K9.32 mi3.11 mi1023+34970+30970+30960(Top 4%)911(Top 6%)911(Top 17%)
20K12.43 mi3.11 mi941+82892+78892+78720(Top 3%)678(Top 4%)678(Top 13%)
Half13.11 mi0.68 mi927+14878+14878+14692(Top 3%)652(Top 4%)652(Top 12%)
25K15.53 mi2.42 mi852+75805+73805+73605(Top 2%)565(Top 4%)565(Top 11%)
30K18.64 mi3.11 mi792+60750+55750+55646(Top 2%)609(Top 4%)609(Top 12%)
20M20.00 mi1.36 mi815-23772-22772-221375(Top 5%)1312(Top 9%)1312(Top 25%)
21M21.00 mi1.00 mi1560-7451492-7201492-72022198(Top 83%)13064(Top 86%)13064(Top 247%)
35K21.75 mi0.75 mi1843-2831762-2701762-27014376(Top 54%)9571(Top 63%)9571(Top 181%)
23M23.00 mi1.25 mi4981-31384599-28374599-283726420(Top 99%)15061(Top 99%)15061(Top 285%)
24M24.00 mi1.00 mi6710-17295935-13365935-133626164(Top 98%)14906(Top 98%)14906(Top 282%)
40K24.85 mi0.85 mi7529-8196464-5296464-52922667(Top 85%)13155(Top 87%)13155(Top 249%)
25.2M25.20 mi0.35 mi7987-4586747-2836747-28323634(Top 89%)13604(Top 90%)13604(Top 257%)
Finish26.22 mi1.02 mi8258-2716894-1476894-14714955(Top 56%)9697(Top 64%)9697(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

960

Males

911

M18-39

911

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1193

Males

1132

M18-39

1132

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

960

Males

911

M18-39

911

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

720

Males

678

M18-39

678

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

692

Males

652

M18-39

652

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

605

Males

565

M18-39

565

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

646

Males

609

M18-39

609

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1375

Males

1312

M18-39

1312

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22198

Males

13064

M18-39

13064

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14376

Males

9571

M18-39

9571

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

26420

Males

15061

M18-39

15061

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

26164

Males

14906

M18-39

14906

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22667

Males

13155

M18-39

13155

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23634

Males

13604

M18-39

13604

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14955

Males

9697

M18-39

9697

Passing Analysis

Category:
Athletes Passed
333
Passed By
7631
Net Change
-7298
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#960
5K → 10K17114-97#960#1057
10K → 15K5117+34#1057#1023
15K → 20K875+82#1023#941
20K → Half151+14#941#927
Half → 25K750+75#927#852
25K → 30K633+60#852#792
30K → 20M730-23#792#815
20M → 21M0745-745#815#1560
21M → 35K0283-283#1560#1843
35K → 23M03138-3138#1843#4981
23M → 24M11730-1729#4981#6710
24M → 40K4823-819#6710#7529
40K → 25.2M1459-458#7529#7987
25.2M → Finish12283-271#7987#8258
TOTALS3337631-7298
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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