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BOSTON MARATHON 2023

Jason St Jean

Bib: 11399•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 36%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 40%
Division (M50-54)
#0 / 2052
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:05
Rank: #6924
Start → 5K
7:06/mi
22:05 split
10K· 6.21 mi
44:13
Rank: #7221 (-297)
5K → 10K
7:07/mi
22:08 split
15K· 9.32 mi
1:06:38
Rank: #7413 (-192)
10K → 15K
7:13/mi
22:25 split
20K· 12.43 mi
1:29:35
Rank: #7610 (-197)
15K → 20K
7:23/mi
22:57 split
Half· 13.11 mi
1:34:34
Rank: #7646 (-36)
20K → Half
7:18/mi
4:59 split
25K· 15.53 mi
1:53:16
Rank: #8007 (-361)
Half → 25K
7:43/mi
18:42 split
30K· 18.64 mi
2:20:07
Rank: #9284 (-1277)
25K → 30K
8:39/mi
26:51 split
20M
2:32:24
Rank: #9897 (-613)
30K → 20M
9:02/mi
12:17 split
21M
2:41:12
Rank: #10022 (-125)
20M → 21M
8:48/mi
8:48 split
35K· 21.75 mi
2:47:03
Rank: #10031 (-9)
21M → 35K
7:49/mi
5:51 split
23M
2:57:20
Rank: #10093 (-62)
35K → 23M
8:13/mi
10:17 split
24M
3:04:54
Rank: #9973 (+120)
23M → 24M
7:34/mi
7:34 split
40K· 24.85 mi
3:12:15
Rank: #10117 (-144)
24M → 40K
8:36/mi
7:21 split
25.2M
3:15:01
Rank: #10031 (+86)
40K → 25.2M
8:01/mi
2:46 split
Finish· 26.22 mi
3:21:52
Rank: #9683 (+348)
25.2M → Finish
6:43/mi
6:51 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:34
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:47:18
Pace8:11 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0122:057:0622:05
7:06
-
10K
6.21 mi11:11:0944:137:0722:08
7:07
+0:01
15K
9.32 mi11:33:341:06:387:0922:25
7:13
+0:06
20K
12.43 mi11:56:311:29:357:1322:57
7:23
+0:10
Half
13.11 mi12:01:301:34:347:134:59
7:18
-0:05
25K
15.53 mi12:20:121:53:167:1718:42
7:43
+0:25
30K
18.64 mi12:47:032:20:077:3126:51
8:39
+0:56
20M
20.00 mi12:59:202:32:247:3712:17
9:02
+0:23
21M
21.00 mi13:08:082:41:127:418:48
8:48
-0:14
35K
21.75 mi13:13:592:47:037:415:51
7:49
-0:59
23M
23.00 mi13:24:162:57:207:4310:17
8:13
+0:24
24M
24.00 mi13:31:503:04:547:427:34
7:34
-0:39
40K
24.85 mi13:39:113:12:157:447:21
8:36
+1:02
25.2M
25.20 mi13:41:573:15:017:442:46
8:01
-0:35
Finish
26.22 mi13:48:483:21:527:426:51
6:43
-1:18

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

6:43 /mi

Average Pace

7:42 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:28

39% of race

Time at Steady Pace

57:50

29% of race

Time at Slower Pace

1:05:34

32% of race

Average Pace: 7:42 /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 mi10:49:0122:057:0622:05
7:06
#6924
10K
6.21 mi11:11:0944:137:0722:08
7:07
#7221
15K
9.32 mi11:33:341:06:387:0922:25
7:13
#7413
20K
12.43 mi11:56:311:29:357:1322:57
7:23
#7610
Half
13.11 mi12:01:301:34:347:134:59
7:18
#7646
25K
15.53 mi12:20:121:53:167:1718:42
7:43
#8007
30K
18.64 mi12:47:032:20:077:3126:51
8:39
#9284
20M
20.00 mi12:59:202:32:247:3712:17
9:02
#9897
21M
21.00 mi13:08:082:41:127:418:48
8:48
#10022
35K
21.75 mi13:13:592:47:037:415:51
7:49
#10031
23M
23.00 mi13:24:162:57:207:4310:17
8:13
#10093
24M
24.00 mi13:31:503:04:547:427:34
7:34
#9973
40K
24.85 mi13:39:113:12:157:447:21
8:36
#10117
25.2M
25.20 mi13:41:573:15:017:442:46
8:01
#10031
Finish
26.22 mi13:48:483:21:527:426:51
6:43
#9683
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6924621462147903(Top 30%)6858(Top 45%)6858(Top 334%)
10K6.21 mi3.10 mi7221-2976422-2086422-2087587(Top 28%)6667(Top 44%)6667(Top 325%)
15K9.32 mi3.11 mi7413-1926566-1446566-1447903(Top 30%)6858(Top 45%)6858(Top 334%)
20K12.43 mi3.11 mi7610-1976682-1166682-1168406(Top 32%)7136(Top 47%)7136(Top 348%)
Half13.11 mi0.68 mi7646-366704-226704-228630(Top 32%)7294(Top 48%)7294(Top 355%)
25K15.53 mi2.42 mi8007-3616923-2196923-21910369(Top 39%)8184(Top 54%)8184(Top 399%)
30K18.64 mi3.11 mi9284-12777675-7527675-75215163(Top 57%)10104(Top 67%)10104(Top 492%)
20M20.00 mi1.36 mi9897-6138012-3378012-33716728(Top 63%)10710(Top 71%)10710(Top 522%)
21M21.00 mi1.00 mi10022-1258048-368048-3612224(Top 46%)8678(Top 57%)8678(Top 423%)
35K21.75 mi0.75 mi10031-98031+178031+1710761(Top 40%)7984(Top 53%)7984(Top 389%)
23M23.00 mi1.25 mi10093-628036-58036-511241(Top 42%)8090(Top 53%)8090(Top 394%)
24M24.00 mi1.00 mi9973+1207941+957941+958157(Top 31%)6413(Top 42%)6413(Top 313%)
40K24.85 mi0.85 mi10117-1447991-507991-5013891(Top 52%)9181(Top 60%)9181(Top 447%)
25.2M25.20 mi0.35 mi10031+867928+637928+636649(Top 25%)5375(Top 35%)5375(Top 262%)
Finish26.22 mi1.02 mi9683+3487713+2157713+2153659(Top 14%)3273(Top 22%)3273(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

7903

Males

6858

M50-54

6858

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7587

Males

6667

M50-54

6667

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

7903

Males

6858

M50-54

6858

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8406

Males

7136

M50-54

7136

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8630

Males

7294

M50-54

7294

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10369

Males

8184

M50-54

8184

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

15163

Males

10104

M50-54

10104

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16728

Males

10710

M50-54

10710

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12224

Males

8678

M50-54

8678

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10761

Males

7984

M50-54

7984

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11241

Males

8090

M50-54

8090

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8157

Males

6413

M50-54

6413

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13891

Males

9181

M50-54

9181

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6649

Males

5375

M50-54

5375

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2story building
+22ft-21ft

Overall

3659

Males

3273

M50-54

3273

Passing Analysis

Category:
Athletes Passed
1054*
Passed By
3810
Net Change
-2759
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6924
5K → 10K99396-297#6924#7221
10K → 15K64256-192#7221#7413
15K → 20K63260-197#7413#7610
20K → Half1652-36#7610#7646
Half → 25K21382-361#7646#8007
25K → 30K161293-1277#8007#9284
30K → 20M11624-613#9284#9897
20M → 21M53176-125#9897#10022
21M → 35K4453-9#10022#10031
35K → 23M61123-62#10031#10093
23M → 24M13919+120#10093#9973
24M → 40K30173-144#9973#10117
40K → 25.2M89*3+86#10117#10031
25.2M → Finish348*0+348#10031#9683
TOTALS1054*3810-2759

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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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