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BOSTON MARATHON 2023

Derek Detemple

Bib: 14357•M

NM

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 33%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 36%
Division (M50-54)
#0 / 2052
Top 32%
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
7:40/mi
23:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
47:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:11:15
↑ 67↓ 78
20K· 12.43 mi
7:38/mi
1:34:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:39:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:31/mi
1:58:11
↑ 66↓ 880.2%
30K· 18.64 mi
7:45/mi
2:22:17
↑ 181↓ 1480.2%
20M
7:36/mi
2:32:36
↑ 64↓ 500.2%
21M
7:54/mi
2:40:30
↑ 106↓ 241.6%
35K· 21.75 mi
7:17/mi
2:45:57
↑ 17↓ 861.7%
23M
7:25/mi
2:55:14
↑ 23↓ 630.6%
24M
7:16/mi
3:02:30
↓ 821.3%
40K· 24.85 mi
7:15/mi
3:08:42
↓ 200.3%
25.2M
7:56/mi
3:11:26
↑ 13↓ 160.2%
Finish· 26.22 mi
7:05/mi
3:18:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:39:58
Pace7:38 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:38:41
Pace7:32 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5823:497:4023:49
7:40
-
10K
6.21 mi11:16:5447:457:4123:56
7:42
+0:02
15K
9.32 mi11:40:241:11:157:3923:30
7:34
-0:08
20K
12.43 mi12:04:071:34:587:3923:43
7:38
+0:04
Half
13.11 mi12:09:071:39:587:385:00
7:20
-0:18
25K
15.53 mi12:27:201:58:117:3618:13
7:31
+0:11
30K
18.64 mi12:51:262:22:177:3824:06
7:45
+0:14
20M
20.00 mi13:01:452:32:367:3810:19
7:36
-0:09
21M
21.00 mi13:09:392:40:307:397:54
7:54
+0:18
35K
21.75 mi13:15:062:45:577:385:27
7:17
-0:37
23M
23.00 mi13:24:232:55:147:379:17
7:25
+0:08
24M
24.00 mi13:31:393:02:307:367:16
7:16
-0:09
40K
24.85 mi13:37:513:08:427:366:12
7:15
-0:01
25.2M
25.20 mi13:40:353:11:267:362:44
7:56
+0:41
Finish
26.22 mi13:47:483:18:397:357:13
7:05
-0:51

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

7:05 /mi

Average Pace

7:35 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:01

95% of race

Time at Steady Pace

10:38

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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 mi10:52:5823:497:4023:49
7:40
#11131
10K
6.21 mi11:16:5447:457:4123:56
7:42
#11649
15K
9.32 mi11:40:241:11:157:3923:30
7:34
#11305
20K
12.43 mi12:04:071:34:587:3923:43
7:38
#11038
Half
13.11 mi12:09:071:39:587:385:00
7:20
#10938
25K
15.53 mi12:27:201:58:117:3618:13
7:31
#10546
30K
18.64 mi12:51:262:22:177:3824:06
7:45
#10225
20M
20.00 mi13:01:452:32:367:3810:19
7:36
#9977
21M
21.00 mi13:09:392:40:307:397:54
7:54
#9749
35K
21.75 mi13:15:062:45:577:385:27
7:17
#9641
23M
23.00 mi13:24:232:55:147:379:17
7:25
#9362
24M
24.00 mi13:31:393:02:307:367:16
7:16
#9182
40K
24.85 mi13:37:513:08:427:366:12
7:15
#9018
25.2M
25.20 mi13:40:353:11:267:362:44
7:56
#8953
Finish
26.22 mi13:47:483:18:397:357:13
7:05
#8783
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi111318717871710682(Top 40%)8490(Top 56%)8490(Top 414%)
10K6.21 mi3.10 mi11649-5188953-2368953-23612251(Top 46%)9219(Top 61%)9219(Top 449%)
15K9.32 mi3.11 mi11305+3448797+1568797+15610682(Top 40%)8490(Top 56%)8490(Top 414%)
20K12.43 mi3.11 mi11038+2678672+1258672+12510329(Top 39%)8246(Top 54%)8246(Top 402%)
Half13.11 mi0.68 mi10938+1008617+558617+558792(Top 33%)7383(Top 49%)7383(Top 360%)
25K15.53 mi2.42 mi10546+3928414+2038414+2038869(Top 33%)7349(Top 48%)7349(Top 358%)
30K18.64 mi3.11 mi10225+3218201+2138201+2139024(Top 34%)7293(Top 48%)7293(Top 355%)
20M20.00 mi1.36 mi9977+2488055+1468055+1467442(Top 28%)6247(Top 41%)6247(Top 304%)
21M21.00 mi1.00 mi9749+2287908+1477908+1476738(Top 25%)5707(Top 38%)5707(Top 278%)
35K21.75 mi0.75 mi9641+1087832+767832+767043(Top 26%)5928(Top 39%)5928(Top 289%)
23M23.00 mi1.25 mi9362+2797634+1987634+1985956(Top 22%)5163(Top 34%)5163(Top 252%)
24M24.00 mi1.00 mi9182+1807503+1317503+1316153(Top 23%)5200(Top 34%)5200(Top 253%)
40K24.85 mi0.85 mi9018+1647389+1147389+1145171(Top 19%)4467(Top 29%)4467(Top 218%)
25.2M25.20 mi0.35 mi8953+657338+517338+516091(Top 23%)5022(Top 33%)5022(Top 245%)
Finish26.22 mi1.02 mi8783+1707216+1227216+1225724(Top 22%)4751(Top 31%)4751(Top 232%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10682

Males

8490

M50-54

8490

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12251

Males

9219

M50-54

9219

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10682

Males

8490

M50-54

8490

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10329

Males

8246

M50-54

8246

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8792

Males

7383

M50-54

7383

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8869

Males

7349

M50-54

7349

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

9024

Males

7293

M50-54

7293

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7442

Males

6247

M50-54

6247

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6738

Males

5707

M50-54

5707

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7043

Males

5928

M50-54

5928

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5956

Males

5163

M50-54

5163

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6153

Males

5200

M50-54

5200

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5171

Males

4467

M50-54

4467

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6091

Males

5022

M50-54

5022

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2story building
+22ft-21ft

Overall

5724

Males

4751

M50-54

4751

Passing Analysis

Category:
Athletes Passed
3157*
Passed By
809
Net Change
+2348
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11131
5K → 10K122640-518#11131#11649
10K → 15K40157+344#11649#11305
15K → 20K31548+267#11305#11038
20K → Half1000+100#11038#10938
Half → 25K3953+392#10938#10546
25K → 30K351*30+321#10546#10225
30K → 20M254*6+248#10225#9977
20M → 21M2324+228#9977#9749
21M → 35K1113+108#9749#9641
35K → 23M2845+279#9641#9362
23M → 24M1833+180#9362#9182
24M → 40K1651+164#9182#9018
40K → 25.2M694+65#9018#8953
25.2M → Finish1755+170#8953#8783
TOTALS3157*809+2348

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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