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BOSTON MARATHON 2023

Brandon Jennings

Bib: 1116•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:30/mi
20:11
↑ 97↓ 3451.5%
10K· 6.21 mi
6:14/mi
39:34
↑ 79↓ 1380.4%
15K· 9.32 mi
6:12/mi
58:51
↑ 67↓ 78
20K· 12.43 mi
6:15/mi
1:18:16
↑ 106↓ 860.1%
Half· 13.11 mi
6:12/mi
1:22:30
↑ 19↓ 370.5%
25K· 15.53 mi
6:16/mi
1:37:41
↑ 66↓ 880.2%
30K· 18.64 mi
6:52/mi
1:59:01
↑ 181↓ 1480.2%
20M
8:01/mi
2:09:54
↑ 64↓ 500.2%
21M
8:48/mi
2:18:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
2:25:21
↑ 17↓ 861.7%
23M
8:46/mi
2:36:19
↑ 23↓ 630.6%
24M
8:55/mi
2:45:14
↓ 821.3%
40K· 24.85 mi
8:47/mi
2:52:45
↓ 200.3%
25.2M
9:25/mi
2:56:00
↑ 13↓ 160.2%
Finish· 26.22 mi
9:13/mi
3:05:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:30
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:42:54
Pace7:51 /mi
📊Positive Split: 24.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5420:116:3020:11
6:30
-
10K
6.21 mi10:40:1739:346:2219:23
6:14
-0:16
15K
9.32 mi10:59:3458:516:1919:17
6:12
-0:02
20K
12.43 mi11:18:591:18:166:1819:25
6:15
+0:03
Half
13.11 mi11:23:131:22:306:184:14
6:12
-0:03
25K
15.53 mi11:38:241:37:416:1715:11
6:16
+0:04
30K
18.64 mi11:59:441:59:016:2321:20
6:52
+0:36
20M
20.00 mi12:10:372:09:546:3010:53
8:01
+1:09
21M
21.00 mi12:19:252:18:426:368:48
8:48
+0:47
35K
21.75 mi12:26:042:25:216:416:39
8:53
+0:05
23M
23.00 mi12:37:022:36:196:4810:58
8:46
-0:07
24M
24.00 mi12:45:572:45:146:538:55
8:55
+0:09
40K
24.85 mi12:53:282:52:456:577:31
8:47
-0:08
25.2M
25.20 mi12:56:432:56:006:593:15
9:25
+0:38
Finish
26.22 mi13:06:073:05:247:059:24
9:13
-0:12

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

6:12 /mi

Average Pace

7:05 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:01

64% of race

Time at Steady Pace

10:53

6% of race

Time at Slower Pace

55:30

30% of race

Average Pace: 7:04 /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 mi10:20:5420:116:3020:11
6:30
#2262
10K
6.21 mi10:40:1739:346:2219:23
6:14
#1842
15K
9.32 mi10:59:3458:516:1919:17
6:12
#1653
20K
12.43 mi11:18:591:18:166:1819:25
6:15
#1526
Half
13.11 mi11:23:131:22:306:184:14
6:12
#1509
25K
15.53 mi11:38:241:37:416:1715:11
6:16
#1426
30K
18.64 mi11:59:441:59:016:2321:20
6:52
#1674
20M
20.00 mi12:10:372:09:546:3010:53
8:01
#2113
21M
21.00 mi12:19:252:18:426:368:48
8:48
#2509
35K
21.75 mi12:26:042:25:216:416:39
8:53
#2976
23M
23.00 mi12:37:022:36:196:4810:58
8:46
#3718
24M
24.00 mi12:45:572:45:146:538:55
8:55
#4455
40K
24.85 mi12:53:282:52:456:577:31
8:47
#4773
25.2M
25.20 mi12:56:432:56:006:593:15
9:25
#4912
Finish
26.22 mi13:06:073:05:247:059:24
9:13
#5336
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2262216021601271(Top 5%)1211(Top 8%)1211(Top 23%)
10K6.21 mi3.10 mi1842+4201762+3981762+3981513(Top 6%)1446(Top 10%)1446(Top 27%)
15K9.32 mi3.11 mi1653+1891580+1821580+1821271(Top 5%)1211(Top 8%)1211(Top 23%)
20K12.43 mi3.11 mi1526+1271457+1231457+1231223(Top 5%)1170(Top 8%)1170(Top 22%)
Half13.11 mi0.68 mi1509+171440+171440+171435(Top 5%)1375(Top 9%)1375(Top 26%)
25K15.53 mi2.42 mi1426+831363+771363+771202(Top 5%)1148(Top 8%)1148(Top 22%)
30K18.64 mi3.11 mi1674-2481599-2361599-2363448(Top 13%)3244(Top 21%)3244(Top 61%)
20M20.00 mi1.36 mi2113-4392024-4252024-42510283(Top 39%)7896(Top 52%)7896(Top 149%)
21M21.00 mi1.00 mi2509-3962402-3782402-37812213(Top 46%)8667(Top 57%)8667(Top 164%)
35K21.75 mi0.75 mi2976-4672834-4322834-43217344(Top 65%)10843(Top 71%)10843(Top 205%)
23M23.00 mi1.25 mi3718-7423504-6703504-67014719(Top 55%)9670(Top 64%)9670(Top 183%)
24M24.00 mi1.00 mi4455-7374158-6544158-65416804(Top 63%)10526(Top 69%)10526(Top 199%)
40K24.85 mi0.85 mi4773-3184422-2644422-26414995(Top 56%)9668(Top 64%)9668(Top 183%)
25.2M25.20 mi0.35 mi4912-1394525-1034525-10314719(Top 55%)9523(Top 63%)9523(Top 180%)
Finish26.22 mi1.02 mi5336-4244872-3474872-34718991(Top 71%)11528(Top 76%)11528(Top 218%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1271

Males

1211

M18-39

1211

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1513

Males

1446

M18-39

1446

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1271

Males

1211

M18-39

1211

15K→20K

9.3 - 12.4 mi

Top 5%
×5story building
+106ft-86ft

Overall

1223

Males

1170

M18-39

1170

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1435

Males

1375

M18-39

1375

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1202

Males

1148

M18-39

1148

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3448

Males

3244

M18-39

3244

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10283

Males

7896

M18-39

7896

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12213

Males

8667

M18-39

8667

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17344

Males

10843

M18-39

10843

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14719

Males

9670

M18-39

9670

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16804

Males

10526

M18-39

10526

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14995

Males

9668

M18-39

9668

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14719

Males

9523

M18-39

9523

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18991

Males

11528

M18-39

11528

Passing Analysis

Category:
Athletes Passed
899
Passed By
3973
Net Change
-3074
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2262
5K → 10K4255+420#2262#1842
10K → 15K1923+189#1842#1653
15K → 20K1325+127#1653#1526
20K → Half181+17#1526#1509
Half → 25K9310+83#1509#1426
25K → 30K13261-248#1426#1674
30K → 20M0439-439#1674#2113
20M → 21M1397-396#2113#2509
21M → 35K2469-467#2509#2976
35K → 23M4746-742#2976#3718
23M → 24M3740-737#3718#4455
24M → 40K10328-318#4455#4773
40K → 25.2M1140-139#4773#4912
25.2M → Finish5429-424#4912#5336
TOTALS8993973-3074
📊

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