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BOSTON MARATHON 2023

Kevin Jennings

Bib: 2635•M

DC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Division (M18-39)
#0 / 5285
Top 23%
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
6:15/mi
1:37:40
↑ 66↓ 880.2%
30K· 18.64 mi
6:19/mi
1:57:16
↑ 181↓ 1480.2%
20M
6:22/mi
2:05:55
↑ 64↓ 500.2%
21M
6:53/mi
2:12:48
↑ 106↓ 241.6%
35K· 21.75 mi
6:10/mi
2:17:25
↑ 17↓ 861.7%
23M
6:40/mi
2:25:46
↑ 23↓ 630.6%
24M
6:50/mi
2:32:36
↓ 821.3%
40K· 24.85 mi
7:22/mi
2:38:54
↓ 200.3%
25.2M
7:53/mi
2:41:37
↑ 13↓ 160.2%
Finish· 26.22 mi
7:07/mi
2:48:52
↑ 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
Time1:26:22
Pace6:35 /mi
📊Positive Split: 4.7% 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 mi11:38:231:37:406:1715:10
6:15
+0:03
30K
18.64 mi11:57:591:57:166:1719:36
6:19
+0:04
20M
20.00 mi12:06:382:05:556:188:39
6:22
+0:03
21M
21.00 mi12:13:312:12:486:196:53
6:53
+0:31
35K
21.75 mi12:18:082:17:256:194:37
6:10
-0:43
23M
23.00 mi12:26:292:25:466:208:21
6:40
+0:30
24M
24.00 mi12:33:192:32:366:226:50
6:50
+0:10
40K
24.85 mi12:39:372:38:546:246:18
7:22
+0:32
25.2M
25.20 mi12:42:202:41:376:252:43
7:53
+0:31
Finish
26.22 mi12:49:352:48:526:277:15
7:07
-0:46

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

6:10 /mi

Average Pace

6:27 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:10:32

77% of race

Time at Slower Pace

38:20

23% of race

Average Pace: 6:26 /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
#2243
10K
6.21 mi10:40:1739:346:2219:23
6:14
#1836
15K
9.32 mi10:59:3458:516:1919:17
6:12
#1649
20K
12.43 mi11:18:591:18:166:1819:25
6:15
#1520
Half
13.11 mi11:23:131:22:306:184:14
6:12
#1504
25K
15.53 mi11:38:231:37:406:1715:10
6:15
#1421
30K
18.64 mi11:57:591:57:166:1719:36
6:19
#1308
20M
20.00 mi12:06:382:05:556:188:39
6:22
#1273
21M
21.00 mi12:13:312:12:486:196:53
6:53
#1279
35K
21.75 mi12:18:082:17:256:194:37
6:10
#1259
23M
23.00 mi12:26:292:25:466:208:21
6:40
#1289
24M
24.00 mi12:33:192:32:366:226:50
6:50
#1349
40K
24.85 mi12:39:372:38:546:246:18
7:22
#1451
25.2M
25.20 mi12:42:202:41:376:252:43
7:53
#1502
Finish
26.22 mi12:49:352:48:526:277:15
7:07
#1587
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2243214121411264(Top 5%)1204(Top 8%)1204(Top 23%)
10K6.21 mi3.10 mi1836+4071756+3851756+3851504(Top 6%)1437(Top 9%)1437(Top 27%)
15K9.32 mi3.11 mi1649+1871576+1801576+1801264(Top 5%)1204(Top 8%)1204(Top 23%)
20K12.43 mi3.11 mi1520+1291451+1251451+1251217(Top 5%)1164(Top 8%)1164(Top 22%)
Half13.11 mi0.68 mi1504+161435+161435+161404(Top 5%)1344(Top 9%)1344(Top 25%)
25K15.53 mi2.42 mi1421+831358+771358+771176(Top 4%)1122(Top 7%)1122(Top 21%)
30K18.64 mi3.11 mi1308+1131250+1081250+108934(Top 4%)889(Top 6%)889(Top 17%)
20M20.00 mi1.36 mi1273+351216+341216+341049(Top 4%)1005(Top 7%)1005(Top 19%)
21M21.00 mi1.00 mi1279-61223-71223-71690(Top 6%)1606(Top 11%)1606(Top 30%)
35K21.75 mi0.75 mi1259+201203+201203+201172(Top 4%)1116(Top 7%)1116(Top 21%)
23M23.00 mi1.25 mi1289-301231-281231-282030(Top 8%)1920(Top 13%)1920(Top 36%)
24M24.00 mi1.00 mi1349-601286-551286-553791(Top 14%)3463(Top 23%)3463(Top 66%)
40K24.85 mi0.85 mi1451-1021384-981384-985820(Top 22%)4886(Top 32%)4886(Top 92%)
25.2M25.20 mi0.35 mi1502-511433-491433-495677(Top 21%)4697(Top 31%)4697(Top 89%)
Finish26.22 mi1.02 mi1587-851517-841517-845860(Top 22%)4826(Top 32%)4826(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1264

Males

1204

M18-39

1204

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1504

Males

1437

M18-39

1437

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1264

Males

1204

M18-39

1204

15K→20K

9.3 - 12.4 mi

Top 5%
×5story building
+106ft-86ft

Overall

1217

Males

1164

M18-39

1164

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1404

Males

1344

M18-39

1344

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1176

Males

1122

M18-39

1122

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

934

Males

889

M18-39

889

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1049

Males

1005

M18-39

1005

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1690

Males

1606

M18-39

1606

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1172

Males

1116

M18-39

1116

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2030

Males

1920

M18-39

1920

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3791

Males

3463

M18-39

3463

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5820

Males

4886

M18-39

4886

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5677

Males

4697

M18-39

4697

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5860

Males

4826

M18-39

4826

Passing Analysis

Category:
Athletes Passed
1080
Passed By
424
Net Change
+656
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2243
5K → 10K4114+407#2243#1836
10K → 15K1903+187#1836#1649
15K → 20K1345+129#1649#1520
20K → Half182+16#1520#1504
Half → 25K9310+83#1504#1421
25K → 30K1141+113#1421#1308
30K → 20M416+35#1308#1273
20M → 21M2127-6#1273#1279
21M → 35K266+20#1279#1259
35K → 23M1545-30#1259#1289
23M → 24M969-60#1289#1349
24M → 40K2104-102#1349#1451
40K → 25.2M152-51#1451#1502
25.2M → Finish590-85#1502#1587
TOTALS1080424+656
📊

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