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BOSTON MARATHON 2023

Brendan Morrow-Jones

Bib: 1438•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:37
Rank: #1479
Start → 5K
19:37 | 6:19/mi
10K· 6.21 mi
39:03
Rank: #1507 (-28)
5K → 10K
19:26 | 6:15/mi
15K· 9.32 mi
58:35
Rank: #1519 (-12)
10K → 15K
19:32 | 6:17/mi
20K· 12.43 mi
1:18:00
Rank: #1410 (+109)
15K → 20K
19:25 | 6:15/mi
Half· 13.11 mi
1:22:09
Rank: #1379 (+31)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:36:57
Rank: #1255 (+124)
Half → 25K
14:48 | 6:06/mi
30K· 18.64 mi
1:56:13
Rank: #1127 (+128)
25K → 30K
19:16 | 6:12/mi
20M
2:05:02
Rank: #1131 (-4)
30K → 20M
8:49 | 6:30/mi
21M
2:11:32
Rank: #1074 (+57)
20M → 21M
6:30 | 6:30/mi
35K· 21.75 mi
2:16:03
Rank: #1053 (+21)
21M → 35K
4:31 | 6:02/mi
23M
2:24:05
Rank: #1047 (+6)
35K → 23M
8:02 | 6:25/mi
24M
2:30:36
Rank: #1066 (-19)
23M → 24M
6:31 | 6:31/mi
40K· 24.85 mi
2:36:26
Rank: #1107 (-41)
24M → 40K
5:50 | 6:49/mi
25.2M
2:39:01
Rank: #1129 (-22)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:46:10
Rank: #1224 (-95)
25.2M → Finish
7:09 | 7:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:09
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:24:01
Pace6:25 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0219:376:1919:37
6:19
-
10K
6.21 mi10:39:2839:036:1719:26
6:15
-0:04
15K
9.32 mi10:59:0058:356:1719:32
6:17
+0:02
20K
12.43 mi11:18:251:18:006:1719:25
6:15
-0:02
Half
13.11 mi11:22:341:22:096:164:09
6:05
-0:10
25K
15.53 mi11:37:221:36:576:1414:48
6:06
+0:01
30K
18.64 mi11:56:381:56:136:1419:16
6:12
+0:06
20M
20.00 mi12:05:272:05:026:158:49
6:30
+0:18
21M
21.00 mi12:11:572:11:326:166:30
6:30
0:00
35K
21.75 mi12:16:282:16:036:154:31
6:02
-0:28
23M
23.00 mi12:24:302:24:056:168:02
6:25
+0:23
24M
24.00 mi12:31:012:30:366:176:31
6:31
+0:06
40K
24.85 mi12:36:512:36:266:185:50
6:49
+0:18
25.2M
25.20 mi12:39:262:39:016:192:35
7:29
+0:40
Finish
26.22 mi12:46:352:46:106:217:09
7:01
-0:28

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

6:02 /mi

Average Pace

6:21 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

23:28

14% of race

Time at Steady Pace

2:00:37

73% of race

Time at Slower Pace

22:05

13% of race

Average Pace: 6:20 /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 mi10:20:0219:376:1919:37
6:19
#1479
10K
6.21 mi10:39:2839:036:1719:26
6:15
#1507
15K
9.32 mi10:59:0058:356:1719:32
6:17
#1519
20K
12.43 mi11:18:251:18:006:1719:25
6:15
#1410
Half
13.11 mi11:22:341:22:096:164:09
6:05
#1379
25K
15.53 mi11:37:221:36:576:1414:48
6:06
#1255
30K
18.64 mi11:56:381:56:136:1419:16
6:12
#1127
20M
20.00 mi12:05:272:05:026:158:49
6:30
#1131
21M
21.00 mi12:11:572:11:326:166:30
6:30
#1074
35K
21.75 mi12:16:282:16:036:154:31
6:02
#1053
23M
23.00 mi12:24:302:24:056:168:02
6:25
#1047
24M
24.00 mi12:31:012:30:366:176:31
6:31
#1066
40K
24.85 mi12:36:512:36:266:185:50
6:49
#1107
25.2M
25.20 mi12:39:262:39:016:192:35
7:29
#1129
Finish
26.22 mi12:46:352:46:106:217:09
7:01
#1224
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1479140714071586(Top 6%)1514(Top 10%)1514(Top 29%)
10K6.21 mi3.10 mi1507-281437-301437-301575(Top 6%)1505(Top 10%)1505(Top 28%)
15K9.32 mi3.11 mi1519-121449-121449-121586(Top 6%)1514(Top 10%)1514(Top 29%)
20K12.43 mi3.11 mi1410+1091344+1051344+1051209(Top 5%)1156(Top 8%)1156(Top 22%)
Half13.11 mi0.68 mi1379+311314+301314+30979(Top 4%)933(Top 6%)933(Top 18%)
25K15.53 mi2.42 mi1255+1241200+1141200+114762(Top 3%)721(Top 5%)721(Top 14%)
30K18.64 mi3.11 mi1127+1281075+1251075+125690(Top 3%)653(Top 4%)653(Top 12%)
20M20.00 mi1.36 mi1131-41078-31078-31430(Top 5%)1361(Top 9%)1361(Top 26%)
21M21.00 mi1.00 mi1074+571022+561022+56630(Top 2%)594(Top 4%)594(Top 11%)
35K21.75 mi0.75 mi1053+211002+201002+20785(Top 3%)744(Top 5%)744(Top 14%)
23M23.00 mi1.25 mi1047+6996+6996+61148(Top 4%)1084(Top 7%)1084(Top 21%)
24M24.00 mi1.00 mi1066-191014-181014-182141(Top 8%)2007(Top 13%)2007(Top 38%)
40K24.85 mi0.85 mi1107-411055-411055-412899(Top 11%)2666(Top 18%)2666(Top 50%)
25.2M25.20 mi0.35 mi1129-221076-211076-213748(Top 14%)3338(Top 22%)3338(Top 63%)
Finish26.22 mi1.02 mi1224-951167-911167-915261(Top 20%)4441(Top 29%)4441(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1586

Males

1514

M18-39

1514

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1575

Males

1505

M18-39

1505

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1586

Males

1514

M18-39

1514

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1209

Males

1156

M18-39

1156

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

979

Males

933

M18-39

933

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

762

Males

721

M18-39

721

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

690

Males

653

M18-39

653

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1430

Males

1361

M18-39

1361

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

630

Males

594

M18-39

594

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

785

Males

744

M18-39

744

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1148

Males

1084

M18-39

1084

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2141

Males

2007

M18-39

2007

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2899

Males

2666

M18-39

2666

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3748

Males

3338

M18-39

3338

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5261

Males

4441

M18-39

4441

Passing Analysis

Category:
Athletes Passed
647
Passed By
392
Net Change
+255
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1479
5K → 10K5583-28#1479#1507
10K → 15K4961-12#1507#1519
15K → 20K1189+109#1519#1410
20K → Half310+31#1410#1379
Half → 25K1251+124#1379#1255
25K → 30K1302+128#1255#1127
30K → 20M2024-4#1127#1131
20M → 21M592+57#1131#1074
21M → 35K232+21#1074#1053
35K → 23M1913+6#1053#1047
23M → 24M827-19#1047#1066
24M → 40K748-41#1066#1107
40K → 25.2M224-22#1107#1129
25.2M → Finish196-95#1129#1224
TOTALS647392+255
📊

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