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BOSTON MARATHON 2023

Brennen Lord

Bib: 3170•M

NH

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Division (M18-39)
#0 / 5285
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:58
Rank: #4119
Start → 5K
20:58 | 6:45/mi
10K· 6.21 mi
41:47
Rank: #4223 (-104)
5K → 10K
20:49 | 6:42/mi
15K· 9.32 mi
1:02:50
Rank: #4420 (-197)
10K → 15K
21:03 | 6:47/mi
20K· 12.43 mi
1:24:26
Rank: #4780 (-360)
15K → 20K
21:36 | 6:57/mi
Half· 13.11 mi
1:29:01
Rank: #4755 (+25)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:29
Rank: #4597 (+158)
Half → 25K
16:28 | 6:47/mi
30K· 18.64 mi
2:07:14
Rank: #4533 (+64)
25K → 30K
21:45 | 7:00/mi
20M
2:16:48
Rank: #4504 (+29)
30K → 20M
9:34 | 7:02/mi
21M
2:24:10
Rank: #4449 (+55)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:29:17
Rank: #4434 (+15)
21M → 35K
5:07 | 6:50/mi
23M
2:37:59
Rank: #4343 (+91)
35K → 23M
8:42 | 6:57/mi
24M
2:44:43
Rank: #4292 (+51)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
2:50:37
Rank: #4229 (+63)
24M → 40K
5:54 | 6:54/mi
25.2M
2:53:03
Rank: #4179 (+50)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:59:16
Rank: #3949 (+230)
25.2M → Finish
6:13 | 6:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:01
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:30:15
Pace6:53 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4820:586:4520:58
6:45
-
10K
6.21 mi10:43:3741:476:4320:49
6:42
-0:03
15K
9.32 mi11:04:401:02:506:4421:03
6:47
+0:05
20K
12.43 mi11:26:161:24:266:4821:36
6:57
+0:10
Half
13.11 mi11:30:511:29:016:474:35
6:43
-0:14
25K
15.53 mi11:47:191:45:296:4716:28
6:47
+0:04
30K
18.64 mi12:09:042:07:146:5021:45
7:00
+0:13
20M
20.00 mi12:18:382:16:486:509:34
7:02
+0:02
21M
21.00 mi12:26:002:24:106:527:22
7:22
+0:20
35K
21.75 mi12:31:072:29:176:525:07
6:50
-0:32
23M
23.00 mi12:39:492:37:596:528:42
6:57
+0:07
24M
24.00 mi12:46:332:44:436:526:44
6:44
-0:13
40K
24.85 mi12:52:272:50:376:525:54
6:54
+0:10
25.2M
25.20 mi12:54:532:53:036:522:26
7:03
+0:09
Finish
26.22 mi13:01:062:59:166:516:13
6:06
-0:57

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

6:06 /mi

Average Pace

6:51 /mi

Slowest Pace

7:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:02

15% of race

Time at Steady Pace

1:51:07

62% of race

Time at Slower Pace

41:07

23% of race

Average Pace: 6:50 /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 mi10:22:4820:586:4520:58
6:45
#4119
10K
6.21 mi10:43:3741:476:4320:49
6:42
#4223
15K
9.32 mi11:04:401:02:506:4421:03
6:47
#4420
20K
12.43 mi11:26:161:24:266:4821:36
6:57
#4780
Half
13.11 mi11:30:511:29:016:474:35
6:43
#4755
25K
15.53 mi11:47:191:45:296:4716:28
6:47
#4597
30K
18.64 mi12:09:042:07:146:5021:45
7:00
#4533
20M
20.00 mi12:18:382:16:486:509:34
7:02
#4504
21M
21.00 mi12:26:002:24:106:527:22
7:22
#4449
35K
21.75 mi12:31:072:29:176:525:07
6:50
#4434
23M
23.00 mi12:39:492:37:596:528:42
6:57
#4343
24M
24.00 mi12:46:332:44:436:526:44
6:44
#4292
40K
24.85 mi12:52:272:50:376:525:54
6:54
#4229
25.2M
25.20 mi12:54:532:53:036:522:26
7:03
#4179
Finish
26.22 mi13:01:062:59:166:516:13
6:06
#3949
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4119386438644855(Top 18%)4516(Top 30%)4516(Top 85%)
10K6.21 mi3.10 mi4223-1043958-943958-944325(Top 16%)4049(Top 27%)4049(Top 77%)
15K9.32 mi3.11 mi4420-1974136-1784136-1784855(Top 18%)4516(Top 30%)4516(Top 85%)
20K12.43 mi3.11 mi4780-3604458-3224458-3225669(Top 21%)5200(Top 34%)5200(Top 98%)
Half13.11 mi0.68 mi4755+254430+284430+284477(Top 17%)4169(Top 27%)4169(Top 79%)
25K15.53 mi2.42 mi4597+1584292+1384292+1384073(Top 15%)3819(Top 25%)3819(Top 72%)
30K18.64 mi3.11 mi4533+644232+604232+604338(Top 16%)4030(Top 27%)4030(Top 76%)
20M20.00 mi1.36 mi4504+294199+334199+334256(Top 16%)3927(Top 26%)3927(Top 74%)
21M21.00 mi1.00 mi4449+554152+474152+473964(Top 15%)3656(Top 24%)3656(Top 69%)
35K21.75 mi0.75 mi4434+154135+174135+174410(Top 17%)4028(Top 27%)4028(Top 76%)
23M23.00 mi1.25 mi4343+914059+764059+763518(Top 13%)3259(Top 21%)3259(Top 62%)
24M24.00 mi1.00 mi4292+514015+444015+443293(Top 12%)3048(Top 20%)3048(Top 58%)
40K24.85 mi0.85 mi4229+633955+603955+603332(Top 13%)3048(Top 20%)3048(Top 58%)
25.2M25.20 mi0.35 mi4179+503910+453910+451979(Top 7%)1862(Top 12%)1862(Top 35%)
Finish26.22 mi1.02 mi3949+2303695+2153695+2151005(Top 4%)959(Top 6%)959(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4855

Males

4516

M18-39

4516

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4325

Males

4049

M18-39

4049

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4855

Males

4516

M18-39

4516

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5669

Males

5200

M18-39

5200

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4477

Males

4169

M18-39

4169

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4073

Males

3819

M18-39

3819

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4338

Males

4030

M18-39

4030

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4256

Males

3927

M18-39

3927

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3964

Males

3656

M18-39

3656

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4410

Males

4028

M18-39

4028

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3518

Males

3259

M18-39

3259

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3293

Males

3048

M18-39

3048

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3332

Males

3048

M18-39

3048

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1979

Males

1862

M18-39

1862

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1005

Males

959

M18-39

959

Passing Analysis

Category:
Athletes Passed
1419
Passed By
1249
Net Change
+170
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4119
5K → 10K170274-104#4119#4223
10K → 15K72269-197#4223#4420
15K → 20K25385-360#4420#4780
20K → Half3813+25#4780#4755
Half → 25K18830+158#4755#4597
25K → 30K16298+64#4597#4533
30K → 20M7041+29#4533#4504
20M → 21M8732+55#4504#4449
21M → 35K5035+15#4449#4434
35K → 23M12231+91#4434#4343
23M → 24M7524+51#4343#4292
24M → 40K7815+63#4292#4229
40K → 25.2M511+50#4229#4179
25.2M → Finish2311+230#4179#3949
TOTALS14191249+170
📊

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