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BOSTON MARATHON 2023

Dean Profis

MA

Bib: 26576 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:32/mi
29:36
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:17/mi
58:27
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:12/mi
1:27:03
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:27/mi
1:56:26
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:13/mi
2:02:43
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:44/mi
2:26:19
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:50/mi
2:56:52
↑ 181↓ 1480.2%
138 ft elev
20M
10:09/mi
3:10:39
↑ 64↓ 500.2%
148 ft elev
21M
10:18/mi
3:20:57
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:03/mi
3:28:28
↑ 17↓ 861.7%
156 ft elev
23M
10:01/mi
3:41:00
↑ 23↓ 630.6%
116 ft elev
24M
9:41/mi
3:50:41
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:54/mi
3:59:09
↓ 200.3%
20 ft elev
25.2M
10:32/mi
4:02:47
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:11/mi
4:12:08
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:43
Pace9:22 /mi
2nd Half
Distance13.11 mi
Time2:09:25
Pace9:52 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2229:369:3229:36
9:32
-
10K
6.21 mi12:18:1358:279:2428:51
9:17
-0:15
15K
9.32 mi12:46:491:27:039:2028:36
9:12
-0:05
20K
12.43 mi13:16:121:56:269:2229:23
9:27
+0:15
Half
13.11 mi13:22:292:02:439:226:17
9:13
-0:14
25K
15.53 mi13:46:052:26:199:2523:36
9:44
+0:31
30K
18.64 mi14:16:382:56:529:2930:33
9:50
+0:06
20M
20.00 mi14:30:253:10:399:3213:47
10:09
+0:19
21M
21.00 mi14:40:433:20:579:3410:18
10:18
+0:09
35K
21.75 mi14:48:143:28:289:357:31
10:03
-0:15
23M
23.00 mi15:00:463:41:009:3712:32
10:01
-0:02
24M
24.00 mi15:10:273:50:419:379:41
9:41
-0:20
40K
24.85 mi15:18:553:59:099:378:28
9:54
+0:13
25.2M
25.20 mi15:22:334:02:479:383:38
10:32
+0:38
Finish
26.22 mi15:31:544:12:089:379:21
9:11
-1:21

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

9:11 /mi

Average Pace

9:37 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:44:25

89% of race

Time at Steady Pace

27:43

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:37 /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 mi11:49:2229:369:3229:36
9:32
#22168
10K
6.21 mi12:18:1358:279:2428:51
9:17
#22067
15K
9.32 mi12:46:491:27:039:2028:36
9:12
#21804
20K
12.43 mi13:16:121:56:269:2229:23
9:27
#21715
Half
13.11 mi13:22:292:02:439:226:17
9:13
#21705
25K
15.53 mi13:46:052:26:199:2523:36
9:44
#21640
30K
18.64 mi14:16:382:56:529:2930:33
9:50
#21443
20M
20.00 mi14:30:253:10:399:3213:47
10:09
#21389
21M
21.00 mi14:40:433:20:579:3410:18
10:18
#21249
35K
21.75 mi14:48:143:28:289:357:31
10:03
#21252
23M
23.00 mi15:00:463:41:009:3712:32
10:01
#21156
24M
24.00 mi15:10:273:50:419:379:41
9:41
#21076
40K
24.85 mi15:18:553:59:099:378:28
9:54
#21024
25.2M
25.20 mi15:22:334:02:479:383:38
10:32
#20991
Finish
26.22 mi15:31:544:12:089:379:21
9:11
#20894
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi221681318513185213171288812888
10K6.21 mi3.10 mi22067+10113156+2913156+29218831310313103
15K9.32 mi3.11 mi21804+26313053+10313053+103213171288812888
20K12.43 mi3.11 mi21715+8913028+2513028+25214151291612916
Half13.11 mi0.68 mi21705+1013022+613022+6211651279712797
25K15.53 mi2.42 mi21640+6512998+2412998+24215591294412944
30K18.64 mi3.11 mi21443+19712895+10312895+103205391244012440
20M20.00 mi1.36 mi21389+5412854+4112854+41208561250212502
21M21.00 mi1.00 mi21249+14012779+7512779+75190241165111651
35K21.75 mi0.75 mi21252-312773+612773+6213911266012660
23M23.00 mi1.25 mi21156+9612713+6012713+60200171203112031
24M24.00 mi1.00 mi21076+8012666+4712666+47198311193011930
40K24.85 mi0.85 mi21024+5212632+3412632+34196911178511785
25.2M25.20 mi0.35 mi20991+3312612+2012612+20191971156911569
Finish26.22 mi1.02 mi20894+9712561+5112561+51187981145011450

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21317

Males

12888

M50-54

12888

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21883

Males

13103

M50-54

13103

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21317

Males

12888

M50-54

12888

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21415

Males

12916

M50-54

12916

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21165

Males

12797

M50-54

12797

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21559

Males

12944

M50-54

12944

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20539

Males

12440

M50-54

12440

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

20856

Males

12502

M50-54

12502

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

19024

Males

11651

M50-54

11651

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21391

Males

12660

M50-54

12660

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

20017

Males

12031

M50-54

12031

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19831

Males

11930

M50-54

11930

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19691

Males

11785

M50-54

11785

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19197

Males

11569

M50-54

11569

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18798

Males

11450

M50-54

11450

Passing Analysis

Category:
Athletes Passed
1892
Passed By
618
Net Change
+1274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22168
5K → 10K304203+101#22168#22067
10K → 15K32663+263#22067#21804
15K → 20K17283+89#21804#21715
20K → Half2313+10#21715#21705
Half → 25K13570+65#21705#21640
25K → 30K23336+197#21640#21443
30K → 20M10450+54#21443#21389
20M → 21M1499+140#21389#21249
21M → 35K2528-3#21249#21252
35K → 23M11519+96#21252#21156
23M → 24M866+80#21156#21076
24M → 40K6917+52#21076#21024
40K → 25.2M4411+33#21024#20991
25.2M → Finish10710+97#20991#20894
TOTALS1892618+1274

Passing Charts

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