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BOSTON MARATHON 2023

Jonathan Mason

Bib: 1410•M

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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
19:21
Rank: #1192
Start → 5K
19:21 | 6:14/mi
10K· 6.21 mi
38:12
Rank: #1070 (+122)
5K → 10K
18:51 | 6:04/mi
15K· 9.32 mi
57:12
Rank: #1051 (+19)
10K → 15K
19:00 | 6:07/mi
20K· 12.43 mi
1:16:21
Rank: #1015 (+36)
15K → 20K
19:09 | 6:10/mi
Half· 13.11 mi
1:20:33
Rank: #1021 (-6)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:35:26
Rank: #981 (+40)
Half → 25K
14:53 | 6:08/mi
30K· 18.64 mi
1:54:52
Rank: #924 (+57)
25K → 30K
19:26 | 6:15/mi
20M
2:03:23
Rank: #905 (+19)
30K → 20M
8:31 | 6:16/mi
21M
2:09:56
Rank: #880 (+25)
20M → 21M
6:33 | 6:33/mi
35K· 21.75 mi
2:14:30
Rank: #873 (+7)
21M → 35K
4:34 | 6:06/mi
23M
2:22:24
Rank: #860 (+13)
35K → 23M
7:54 | 6:19/mi
24M
2:28:32
Rank: #848 (+12)
23M → 24M
6:08 | 6:08/mi
40K· 24.85 mi
2:33:57
Rank: #832 (+16)
24M → 40K
5:25 | 6:20/mi
25.2M
2:36:17
Rank: #824 (+8)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:42:37
Rank: #825 (-1)
25.2M → Finish
6:20 | 6:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:33
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:22:04
Pace6:16 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5719:216:1419:21
6:14
-
10K
6.21 mi10:38:4838:126:0918:51
6:04
-0:10
15K
9.32 mi10:57:4857:126:0819:00
6:07
+0:03
20K
12.43 mi11:16:571:16:216:0919:09
6:10
+0:03
Half
13.11 mi11:21:091:20:336:094:12
6:09
-0:01
25K
15.53 mi11:36:021:35:266:0914:53
6:08
-0:01
30K
18.64 mi11:55:281:54:526:1019:26
6:15
+0:07
20M
20.00 mi12:03:592:03:236:108:31
6:16
+0:01
21M
21.00 mi12:10:322:09:566:116:33
6:33
+0:17
35K
21.75 mi12:15:062:14:306:114:34
6:06
-0:27
23M
23.00 mi12:23:002:22:246:117:54
6:19
+0:13
24M
24.00 mi12:29:082:28:326:116:08
6:08
-0:11
40K
24.85 mi12:34:332:33:576:125:25
6:20
+0:12
25.2M
25.20 mi12:36:532:36:176:122:20
6:46
+0:26
Finish
26.22 mi12:43:132:42:376:126:20
6:13
-0:33

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

6:04 /mi

Average Pace

6:12 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:17

99% of race

Time at Steady Pace

2:20

1% 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 mi10:19:5719:216:1419:21
6:14
#1192
10K
6.21 mi10:38:4838:126:0918:51
6:04
#1070
15K
9.32 mi10:57:4857:126:0819:00
6:07
#1051
20K
12.43 mi11:16:571:16:216:0919:09
6:10
#1015
Half
13.11 mi11:21:091:20:336:094:12
6:09
#1021
25K
15.53 mi11:36:021:35:266:0914:53
6:08
#981
30K
18.64 mi11:55:281:54:526:1019:26
6:15
#924
20M
20.00 mi12:03:592:03:236:108:31
6:16
#905
21M
21.00 mi12:10:322:09:566:116:33
6:33
#880
35K
21.75 mi12:15:062:14:306:114:34
6:06
#873
23M
23.00 mi12:23:002:22:246:117:54
6:19
#860
24M
24.00 mi12:29:082:28:326:116:08
6:08
#848
40K
24.85 mi12:34:332:33:576:125:25
6:20
#832
25.2M
25.20 mi12:36:532:36:176:122:20
6:46
#824
Finish
26.22 mi12:43:132:42:376:126:20
6:13
#825
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1192112911291004(Top 4%)955(Top 6%)955(Top 18%)
10K6.21 mi3.10 mi1070+1221013+1161013+116977(Top 4%)927(Top 6%)927(Top 18%)
15K9.32 mi3.11 mi1051+19997+16997+161004(Top 4%)955(Top 6%)955(Top 18%)
20K12.43 mi3.11 mi1015+36963+34963+34947(Top 4%)899(Top 6%)899(Top 17%)
Half13.11 mi0.68 mi1021-6969-6969-61158(Top 4%)1107(Top 7%)1107(Top 21%)
25K15.53 mi2.42 mi981+40931+38931+38836(Top 3%)792(Top 5%)792(Top 15%)
30K18.64 mi3.11 mi924+57876+55876+55798(Top 3%)758(Top 5%)758(Top 14%)
20M20.00 mi1.36 mi905+19858+18858+18787(Top 3%)747(Top 5%)747(Top 14%)
21M21.00 mi1.00 mi880+25834+24834+24754(Top 3%)712(Top 5%)712(Top 13%)
35K21.75 mi0.75 mi873+7827+7827+7926(Top 3%)878(Top 6%)878(Top 17%)
23M23.00 mi1.25 mi860+13814+13814+13854(Top 3%)810(Top 5%)810(Top 15%)
24M24.00 mi1.00 mi848+12802+12802+12833(Top 3%)789(Top 5%)789(Top 15%)
40K24.85 mi0.85 mi832+16786+16786+16985(Top 4%)932(Top 6%)932(Top 18%)
25.2M25.20 mi0.35 mi824+8779+7779+71030(Top 4%)977(Top 6%)977(Top 18%)
Finish26.22 mi1.02 mi825-1781-2781-21309(Top 5%)1239(Top 8%)1239(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1004

Males

955

M18-39

955

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

977

Males

927

M18-39

927

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1004

Males

955

M18-39

955

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

947

Males

899

M18-39

899

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1158

Males

1107

M18-39

1107

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

836

Males

792

M18-39

792

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

798

Males

758

M18-39

758

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

787

Males

747

M18-39

747

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

754

Males

712

M18-39

712

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

926

Males

878

M18-39

878

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

854

Males

810

M18-39

810

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

833

Males

789

M18-39

789

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

985

Males

932

M18-39

932

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1030

Males

977

M18-39

977

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1309

Males

1239

M18-39

1239

Passing Analysis

Category:
Athletes Passed
491
Passed By
124
Net Change
+367
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1192
5K → 10K13917+122#1192#1070
10K → 15K3920+19#1070#1051
15K → 20K437+36#1051#1015
20K → Half511-6#1015#1021
Half → 25K466+40#1021#981
25K → 30K658+57#981#924
30K → 20M256+19#924#905
20M → 21M327+25#905#880
21M → 35K103+7#880#873
35K → 23M2310+13#873#860
23M → 24M175+12#860#848
24M → 40K215+16#848#832
40K → 25.2M102+8#832#824
25.2M → Finish1617-1#824#825
TOTALS491124+367
📊

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