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BOSTON MARATHON 2023

Adam Meltzer

MA

Bib: 31627 M

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
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
10:00/mi
31:05
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:25/mi
1:03:26
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:19/mi
1:32:24
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:32/mi
2:05:09
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
12:38/mi
2:13:46
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:35/mi
2:41:52
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
14:44/mi
3:27:40
↑ 181↓ 1480.2%
138 ft elev
20M
12:36/mi
3:44:47
↑ 64↓ 500.2%
148 ft elev
21M
19:19/mi
4:04:06
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
16:13/mi
4:16:14
↑ 17↓ 861.7%
156 ft elev
23M
14:00/mi
4:33:46
↑ 23↓ 630.6%
116 ft elev
24M
14:28/mi
4:48:14
↓ 821.3%
34 ft elev
40K· 24.85 mi
16:27/mi
5:02:18
↓ 200.3%
20 ft elev
25.2M
13:06/mi
5:06:49
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:55/mi
5:17:56
↑ 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
Time2:13:46
Pace10:12 /mi
2nd Half
Distance13.11 mi
Time3:04:10
Pace14:03 /mi
📊Positive Split: 37.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:0031:0510:0031:05
10:00
-
10K
6.21 mi12:23:211:03:2610:1332:21
10:25
+0:25
15K
9.32 mi12:52:191:32:249:5528:58
9:19
-1:06
20K
12.43 mi13:25:042:05:0910:0432:45
10:32
+1:13
Half
13.11 mi13:33:412:13:4610:128:37
12:38
+2:06
25K
15.53 mi14:01:472:41:5210:2528:06
11:35
-1:03
30K
18.64 mi14:47:353:27:4011:0845:48
14:44
+3:09
20M
20.00 mi15:04:423:44:4711:1417:07
12:36
-2:08
21M
21.00 mi15:24:014:04:0611:3719:19
19:19
+6:43
35K
21.75 mi15:36:094:16:1411:4712:08
16:13
-3:06
23M
23.00 mi15:53:414:33:4611:5417:32
14:00
-2:13
24M
24.00 mi16:08:094:48:1412:0114:28
14:28
+0:28
40K
24.85 mi16:22:135:02:1812:1014:04
16:27
+1:59
25.2M
25.20 mi16:26:445:06:4912:114:31
13:06
-3:21
Finish
26.22 mi16:37:515:17:5612:0811:07
10:55
-2:11

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

9:19 /mi

Average Pace

12:08 /mi

Slowest Pace

19:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:16

43% of race

Time at Steady Pace

58:21

18% of race

Time at Slower Pace

2:03:19

39% of race

Average Pace: 12:08 /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 mi11:51:0031:0510:0031:05
10:00
#23453
10K
6.21 mi12:23:211:03:2610:1332:21
10:25
#24081
15K
9.32 mi12:52:191:32:249:5528:58
9:19
#23407
20K
12.43 mi13:25:042:05:0910:0432:45
10:32
#23577
Half
13.11 mi13:33:412:13:4610:128:37
12:38
#23814
25K
15.53 mi14:01:472:41:5210:2528:06
11:35
#24015
30K
18.64 mi14:47:353:27:4011:0845:48
14:44
#24895
20M
20.00 mi15:04:423:44:4711:1417:07
12:36
#24896
21M
21.00 mi15:24:014:04:0611:3719:19
19:19
#25231
35K
21.75 mi15:36:094:16:1411:4712:08
16:13
#25369
23M
23.00 mi15:53:414:33:4611:5417:32
14:00
#25422
24M
24.00 mi16:08:094:48:1412:0114:28
14:28
#25488
40K
24.85 mi16:22:135:02:1812:1014:04
16:27
#25581
25.2M
25.20 mi16:26:445:06:4912:114:31
13:06
#25560
Finish
26.22 mi16:37:515:17:5612:0811:07
10:55
#25518
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23453138071380721712(Top 82%)13072(Top 86%)13072(Top 247%)
10K6.21 mi3.10 mi24081-62814122-31514122-31524520(Top 92%)14322(Top 94%)14322(Top 271%)
15K9.32 mi3.11 mi23407+67413827+29513827+29521712(Top 82%)13072(Top 86%)13072(Top 247%)
20K12.43 mi3.11 mi23577-17013908-8113908-8123904(Top 90%)14037(Top 92%)14037(Top 266%)
Half13.11 mi0.68 mi23814-23714003-9514003-9526217(Top 98%)15002(Top 99%)15002(Top 284%)
25K15.53 mi2.42 mi24015-20114088-8514088-8524773(Top 93%)14365(Top 95%)14365(Top 272%)
30K18.64 mi3.11 mi24895-88014444-35614444-35626343(Top 99%)15041(Top 99%)15041(Top 285%)
20M20.00 mi1.36 mi24896-114437+714437+724822(Top 93%)14289(Top 94%)14289(Top 270%)
21M21.00 mi1.00 mi25231-33514582-14514582-14526597(Top 100%)15161(Top 100%)15161(Top 287%)
35K21.75 mi0.75 mi25369-13814629-4714629-4726532(Top 100%)15126(Top 100%)15126(Top 286%)
23M23.00 mi1.25 mi25422-5314649-2014649-2025822(Top 97%)14744(Top 97%)14744(Top 279%)
24M24.00 mi1.00 mi25488-6614674-2514674-2526249(Top 99%)14953(Top 99%)14953(Top 283%)
40K24.85 mi0.85 mi25581-9314717-4314717-4326479(Top 99%)15085(Top 99%)15085(Top 285%)
25.2M25.20 mi0.35 mi25560+2114701+1614701+1624081(Top 90%)13835(Top 91%)13835(Top 262%)
Finish26.22 mi1.02 mi25518+4214677+2414677+2423804(Top 89%)13725(Top 90%)13725(Top 260%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

21712

Males

13072

M18-39

13072

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24520

Males

14322

M18-39

14322

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

21712

Males

13072

M18-39

13072

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

23904

Males

14037

M18-39

14037

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

26217

Males

15002

M18-39

15002

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

24773

Males

14365

M18-39

14365

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26343

Males

15041

M18-39

15041

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

24822

Males

14289

M18-39

14289

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

26597

Males

15161

M18-39

15161

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

26532

Males

15126

M18-39

15126

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25822

Males

14744

M18-39

14744

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

26249

Males

14953

M18-39

14953

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26479

Males

15085

M18-39

15085

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

24081

Males

13835

M18-39

13835

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23804

Males

13725

M18-39

13725

Passing Analysis

Category:
Athletes Passed
942
Passed By
3007
Net Change
-2065
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23453
5K → 10K31659-628#23453#24081
10K → 15K6740+674#24081#23407
15K → 20K65235-170#23407#23577
20K → Half3240-237#23577#23814
Half → 25K38239-201#23814#24015
25K → 30K3883-880#24015#24895
30K → 20M4243-1#24895#24896
20M → 21M0335-335#24896#25231
21M → 35K4142-138#25231#25369
35K → 23M1366-53#25369#25422
23M → 24M268-66#25422#25488
24M → 40K497-93#25488#25581
40K → 25.2M210+21#25581#25560
25.2M → Finish420+42#25560#25518
TOTALS9423007-2065
📊

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