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BOSTON MARATHON 2023

John Morse

Bib: 1449•M

MD

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:47
Rank: #1672
Start → 5K
6:22/mi
19:47 split
10K· 6.21 mi
39:06
Rank: #1529 (+143)
5K → 10K
6:13/mi
19:19 split
15K· 9.32 mi
58:32
Rank: #1493 (+36)
10K → 15K
6:15/mi
19:26 split
20K· 12.43 mi
1:18:11
Rank: #1476 (+17)
15K → 20K
6:19/mi
19:39 split
Half· 13.11 mi
1:22:27
Rank: #1475 (+1)
20K → Half
6:15/mi
4:16 split
25K· 15.53 mi
1:37:24
Rank: #1348 (+127)
Half → 25K
6:10/mi
14:57 split
30K· 18.64 mi
1:57:07
Rank: #1272 (+76)
25K → 30K
6:21/mi
19:43 split
20M
2:05:44
Rank: #1237 (+35)
30K → 20M
6:20/mi
8:37 split
21M
2:12:27
Rank: #1215 (+22)
20M → 21M
6:43/mi
6:43 split
35K· 21.75 mi
2:17:03
Rank: #1191 (+24)
21M → 35K
6:09/mi
4:36 split
23M
2:24:58
Rank: #1158 (+33)
35K → 23M
6:19/mi
7:55 split
24M
2:31:11
Rank: #1139 (+19)
23M → 24M
6:13/mi
6:13 split
40K· 24.85 mi
2:36:46
Rank: #1147 (-8)
24M → 40K
6:32/mi
5:35 split
25.2M
2:39:10
Rank: #1148 (-1)
40K → 25.2M
6:58/mi
2:24 split
Finish· 26.22 mi
2:45:37
Rank: #1157 (-9)
25.2M → Finish
6:20/mi
6:27 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:22:27
Pace6:17 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:10
Pace6:21 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0619:476:2219:47
6:22
-
10K
6.21 mi10:39:2539:066:1819:19
6:13
-0:09
15K
9.32 mi10:58:5158:326:1719:26
6:15
+0:02
20K
12.43 mi11:18:301:18:116:1719:39
6:19
+0:04
Half
13.11 mi11:22:461:22:276:174:16
6:15
-0:04
25K
15.53 mi11:37:431:37:246:1614:57
6:10
-0:05
30K
18.64 mi11:57:261:57:076:1719:43
6:21
+0:11
20M
20.00 mi12:06:032:05:446:178:37
6:20
-0:01
21M
21.00 mi12:12:462:12:276:186:43
6:43
+0:23
35K
21.75 mi12:17:222:17:036:184:36
6:09
-0:34
23M
23.00 mi12:25:172:24:586:187:55
6:19
+0:10
24M
24.00 mi12:31:302:31:116:186:13
6:13
-0:06
40K
24.85 mi12:37:052:36:466:185:35
6:32
+0:19
25.2M
25.20 mi12:39:292:39:106:192:24
6:58
+0:26
Finish
26.22 mi12:45:562:45:376:196:27
6:20
-0:38

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

6:09 /mi

Average Pace

6:19 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:13

99% of race

Time at Steady Pace

2:24

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:19 /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 mi10:20:0619:476:2219:47
6:22
#1672
10K
6.21 mi10:39:2539:066:1819:19
6:13
#1529
15K
9.32 mi10:58:5158:326:1719:26
6:15
#1493
20K
12.43 mi11:18:301:18:116:1719:39
6:19
#1476
Half
13.11 mi11:22:461:22:276:174:16
6:15
#1475
25K
15.53 mi11:37:431:37:246:1614:57
6:10
#1348
30K
18.64 mi11:57:261:57:076:1719:43
6:21
#1272
20M
20.00 mi12:06:032:05:446:178:37
6:20
#1237
21M
21.00 mi12:12:462:12:276:186:43
6:43
#1215
35K
21.75 mi12:17:222:17:036:184:36
6:09
#1191
23M
23.00 mi12:25:172:24:586:187:55
6:19
#1158
24M
24.00 mi12:31:302:31:116:186:13
6:13
#1139
40K
24.85 mi12:37:052:36:466:185:35
6:32
#1147
25.2M
25.20 mi12:39:292:39:106:192:24
6:58
#1148
Finish
26.22 mi12:45:562:45:376:196:27
6:20
#1157
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1672159315931445(Top 5%)1378(Top 9%)1378(Top 26%)
10K6.21 mi3.10 mi1529+1431459+1341459+1341411(Top 5%)1346(Top 9%)1346(Top 25%)
15K9.32 mi3.11 mi1493+361423+361423+361445(Top 5%)1378(Top 9%)1378(Top 26%)
20K12.43 mi3.11 mi1476+171409+141409+141490(Top 6%)1424(Top 9%)1424(Top 27%)
Half13.11 mi0.68 mi1475+11408+11408+11562(Top 6%)1497(Top 10%)1497(Top 28%)
25K15.53 mi2.42 mi1348+1271286+1221286+122914(Top 3%)867(Top 6%)867(Top 16%)
30K18.64 mi3.11 mi1272+761216+701216+701050(Top 4%)999(Top 7%)999(Top 19%)
20M20.00 mi1.36 mi1237+351182+341182+34974(Top 4%)931(Top 6%)931(Top 18%)
21M21.00 mi1.00 mi1215+221161+211161+211135(Top 4%)1081(Top 7%)1081(Top 20%)
35K21.75 mi0.75 mi1191+241137+241137+241080(Top 4%)1028(Top 7%)1028(Top 19%)
23M23.00 mi1.25 mi1158+331105+321105+32892(Top 3%)848(Top 6%)848(Top 16%)
24M24.00 mi1.00 mi1139+191087+181087+181072(Top 4%)1014(Top 7%)1014(Top 19%)
40K24.85 mi0.85 mi1147-81093-61093-61630(Top 6%)1533(Top 10%)1533(Top 29%)
25.2M25.20 mi0.35 mi1148-11094-11094-11586(Top 6%)1492(Top 10%)1492(Top 28%)
Finish26.22 mi1.02 mi1157-91103-91103-91722(Top 6%)1618(Top 11%)1618(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1445

Males

1378

M18-39

1378

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1411

Males

1346

M18-39

1346

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1445

Males

1378

M18-39

1378

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1490

Males

1424

M18-39

1424

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1562

Males

1497

M18-39

1497

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

914

Males

867

M18-39

867

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1050

Males

999

M18-39

999

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

974

Males

931

M18-39

931

20M→21M

20.0 - 21.0 mi

Top 4%
×8story building
+106ft-24ft

Overall

1135

Males

1081

M18-39

1081

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1080

Males

1028

M18-39

1028

35K→23M

21.8 - 23.0 mi

Top 3%
×5story building
+23ft-63ft

Overall

892

Males

848

M18-39

848

23M→24M

23.0 - 24.0 mi

Top 4%
×6story building
+12ft-82ft

Overall

1072

Males

1014

M18-39

1014

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1630

Males

1533

M18-39

1533

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1586

Males

1492

M18-39

1492

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1722

Males

1618

M18-39

1618

Passing Analysis

Category:
Athletes Passed
719
Passed By
204
Net Change
+515
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1672
5K → 10K17330+143#1672#1529
10K → 15K6731+36#1529#1493
15K → 20K5942+17#1493#1476
20K → Half98+1#1476#1475
Half → 25K1281+127#1475#1348
25K → 30K848+76#1348#1272
30K → 20M416+35#1272#1237
20M → 21M3210+22#1237#1215
21M → 35K295+24#1215#1191
35K → 23M396+33#1191#1158
23M → 24M256+19#1158#1139
24M → 40K1321-8#1139#1147
40K → 25.2M56-1#1147#1148
25.2M → Finish1524-9#1148#1157
TOTALS719204+515
📊

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