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BOSTON MARATHON 2023

David Long

Bib: 14956•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 50%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
7:35/mi
23:35
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
47:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:11:47
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:36:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:41:24
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
2:00:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:26:17
↑ 181↓ 1480.2%
20M
8:25/mi
2:37:43
↑ 64↓ 500.2%
21M
9:28/mi
2:47:11
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
2:53:16
↑ 17↓ 861.7%
23M
9:06/mi
3:04:40
↑ 23↓ 630.6%
24M
8:59/mi
3:13:39
↓ 821.3%
40K· 24.85 mi
9:27/mi
3:21:44
↓ 200.3%
25.2M
10:06/mi
3:25:13
↑ 13↓ 160.2%
Finish· 26.22 mi
8:29/mi
3:33:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:24
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:52:28
Pace8:35 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3623:357:3523:35
7:35
-
10K
6.21 mi11:16:4047:397:4024:04
7:45
+0:10
15K
9.32 mi11:40:481:11:477:4224:08
7:46
+0:01
20K
12.43 mi12:05:171:36:167:4524:29
7:53
+0:07
Half
13.11 mi12:10:251:41:247:445:08
7:31
-0:22
25K
15.53 mi12:29:452:00:447:4619:20
7:58
+0:27
30K
18.64 mi12:55:182:26:177:5125:33
8:13
+0:15
20M
20.00 mi13:06:442:37:437:5311:26
8:25
+0:12
21M
21.00 mi13:16:122:47:117:589:28
9:28
+1:03
35K
21.75 mi13:22:172:53:167:586:05
8:08
-1:20
23M
23.00 mi13:33:413:04:408:0211:24
9:06
+0:58
24M
24.00 mi13:42:403:13:398:048:59
8:59
-0:07
40K
24.85 mi13:50:453:21:448:078:05
9:27
+0:28
25.2M
25.20 mi13:54:143:25:138:093:29
10:06
+0:39
Finish
26.22 mi14:02:533:33:528:108:39
8:29
-1:37

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

7:31 /mi

Average Pace

8:10 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:55

36% of race

Time at Steady Pace

1:35:32

45% of race

Time at Slower Pace

41:25

19% of race

Average Pace: 8:09 /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 mi10:52:3623:357:3523:35
7:35
#10443
10K
6.21 mi11:16:4047:397:4024:04
7:45
#11504
15K
9.32 mi11:40:481:11:477:4224:08
7:46
#11789
20K
12.43 mi12:05:171:36:167:4524:29
7:53
#11923
Half
13.11 mi12:10:251:41:247:445:08
7:31
#11845
25K
15.53 mi12:29:452:00:447:4619:20
7:58
#11928
30K
18.64 mi12:55:182:26:177:5125:33
8:13
#12008
20M
20.00 mi13:06:442:37:437:5311:26
8:25
#12093
21M
21.00 mi13:16:122:47:117:589:28
9:28
#12345
35K
21.75 mi13:22:172:53:167:586:05
8:08
#12366
23M
23.00 mi13:33:413:04:408:0211:24
9:06
#12673
24M
24.00 mi13:42:403:13:398:048:59
8:59
#12905
40K
24.85 mi13:50:453:21:448:078:05
9:27
#13125
25.2M
25.20 mi13:54:143:25:138:093:29
10:06
#13208
Finish
26.22 mi14:02:533:33:528:108:39
8:29
#13302
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi104438377837712438(Top 47%)9271(Top 61%)9271(Top 452%)
10K6.21 mi3.10 mi11504-10618882-5058882-50512635(Top 47%)9395(Top 62%)9395(Top 458%)
15K9.32 mi3.11 mi11789-2858994-1128994-11212438(Top 47%)9271(Top 61%)9271(Top 452%)
20K12.43 mi3.11 mi11923-1349035-419035-4112432(Top 47%)9199(Top 61%)9199(Top 448%)
Half13.11 mi0.68 mi11845+789006+299006+2910410(Top 39%)8319(Top 55%)8319(Top 405%)
25K15.53 mi2.42 mi11928-839016-109016-1012515(Top 47%)9134(Top 60%)9134(Top 445%)
30K18.64 mi3.11 mi12008-809014+29014+212493(Top 47%)9018(Top 59%)9018(Top 439%)
20M20.00 mi1.36 mi12093-859022-89022-813081(Top 49%)9161(Top 60%)9161(Top 446%)
21M21.00 mi1.00 mi12345-2529129-1079129-10715777(Top 59%)10251(Top 68%)10251(Top 500%)
35K21.75 mi0.75 mi12366-219118+119118+1112973(Top 49%)8971(Top 59%)8971(Top 437%)
23M23.00 mi1.25 mi12673-3079224-1069224-10616541(Top 62%)10470(Top 69%)10470(Top 510%)
24M24.00 mi1.00 mi12905-2329297-739297-7317123(Top 64%)10669(Top 70%)10669(Top 520%)
40K24.85 mi0.85 mi13125-2209365-689365-6818153(Top 68%)11099(Top 73%)11099(Top 541%)
25.2M25.20 mi0.35 mi13208-839389-249389-2417711(Top 67%)10870(Top 72%)10870(Top 530%)
Finish26.22 mi1.02 mi13302-949408-199408-1915325(Top 58%)9866(Top 65%)9866(Top 481%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12438

Males

9271

M50-54

9271

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12635

Males

9395

M50-54

9395

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12438

Males

9271

M50-54

9271

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12432

Males

9199

M50-54

9199

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10410

Males

8319

M50-54

8319

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12515

Males

9134

M50-54

9134

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12493

Males

9018

M50-54

9018

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13081

Males

9161

M50-54

9161

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15777

Males

10251

M50-54

10251

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

12973

Males

8971

M50-54

8971

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

16541

Males

10470

M50-54

10470

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

17123

Males

10669

M50-54

10669

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18153

Males

11099

M50-54

11099

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17711

Males

10870

M50-54

10870

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

15325

Males

9866

M50-54

9866

Passing Analysis

Category:
Athletes Passed
896
Passed By
3755
Net Change
-2859
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10443
5K → 10K541115-1061#10443#11504
10K → 15K93378-285#11504#11789
15K → 20K119253-134#11789#11923
20K → Half846+78#11923#11845
Half → 25K109192-83#11845#11928
25K → 30K164244-80#11928#12008
30K → 20M83168-85#12008#12093
20M → 21M32284-252#12093#12345
21M → 35K3960-21#12345#12366
35K → 23M29336-307#12366#12673
23M → 24M23255-232#12673#12905
24M → 40K20240-220#12905#13125
40K → 25.2M22105-83#13125#13208
25.2M → Finish25119-94#13208#13302
TOTALS8963755-2859
📊

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