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BOSTON MARATHON 2023

Craig Adams

Bib: 32105•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
10:18/mi
31:59
↑ 97↓ 3451.5%
10K· 6.21 mi
10:33/mi
1:04:47
↑ 79↓ 1380.4%
15K· 9.32 mi
10:02/mi
1:35:57
↑ 67↓ 78
20K· 12.43 mi
9:15/mi
2:04:42
↑ 106↓ 860.1%
Half· 13.11 mi
9:14/mi
2:11:00
↑ 19↓ 370.5%
25K· 15.53 mi
9:29/mi
2:33:59
↑ 66↓ 880.2%
30K· 18.64 mi
9:33/mi
3:03:40
↑ 181↓ 1480.2%
20M
9:30/mi
3:16:35
↑ 64↓ 500.2%
21M
9:50/mi
3:26:25
↑ 106↓ 241.6%
35K· 21.75 mi
9:28/mi
3:33:30
↑ 17↓ 861.7%
23M
9:40/mi
3:45:36
↑ 23↓ 630.6%
24M
9:33/mi
3:55:09
↓ 821.3%
40K· 24.85 mi
9:47/mi
4:03:31
↓ 200.3%
25.2M
10:03/mi
4:06:59
↑ 13↓ 160.2%
Finish· 26.22 mi
9:18/mi
4:16:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:11:00
Pace10:00 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:05:28
Pace9:34 /mi
📊Negative Split: 4.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2331:5910:1831:59
10:18
-
10K
6.21 mi12:24:111:04:4710:2632:48
10:33
+0:15
15K
9.32 mi12:55:211:35:5710:1831:10
10:02
-0:31
20K
12.43 mi13:24:062:04:4210:0228:45
9:15
-0:47
Half
13.11 mi13:30:242:11:0010:006:18
9:14
-0:01
25K
15.53 mi13:53:232:33:599:5522:59
9:29
+0:15
30K
18.64 mi14:23:043:03:409:5129:41
9:33
+0:04
20M
20.00 mi14:35:593:16:359:5012:55
9:30
-0:03
21M
21.00 mi14:45:493:26:259:509:50
9:50
+0:20
35K
21.75 mi14:52:543:33:309:497:05
9:28
-0:22
23M
23.00 mi15:05:003:45:369:4912:06
9:40
+0:12
24M
24.00 mi15:14:333:55:099:489:33
9:33
-0:07
40K
24.85 mi15:22:554:03:319:488:22
9:47
+0:14
25.2M
25.20 mi15:26:234:06:599:483:28
10:03
+0:16
Finish
26.22 mi15:35:524:16:289:479:29
9:18
-0:45

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

9:14 /mi

Average Pace

9:47 /mi

Slowest Pace

10:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:41

75% of race

Time at Steady Pace

1:04:47

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:47 /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 mi11:51:2331:5910:1831:59
10:18
#24201
10K
6.21 mi12:24:111:04:4710:2632:48
10:33
#24542
15K
9.32 mi12:55:211:35:5710:1831:10
10:02
#24208
20K
12.43 mi13:24:062:04:4210:0228:45
9:15
#23502
Half
13.11 mi13:30:242:11:0010:006:18
9:14
#23395
25K
15.53 mi13:53:232:33:599:5522:59
9:29
#22978
30K
18.64 mi14:23:043:03:409:5129:41
9:33
#22450
20M
20.00 mi14:35:593:16:359:5012:55
9:30
#22222
21M
21.00 mi14:45:493:26:259:509:50
9:50
#22013
35K
21.75 mi14:52:543:33:309:497:05
9:28
#21937
23M
23.00 mi15:05:003:45:369:4912:06
9:40
#21771
24M
24.00 mi15:14:333:55:099:489:33
9:33
#21682
40K
24.85 mi15:22:554:03:319:488:22
9:47
#21595
25.2M
25.20 mi15:26:234:06:599:483:28
10:03
#21530
Finish
26.22 mi15:35:524:16:289:479:29
9:18
#21458
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi24201141881418823559(Top 88%)13895(Top 92%)13895(Top 977%)
10K6.21 mi3.10 mi24542-34114336-14814336-14824777(Top 93%)14439(Top 95%)14439(Top 1015%)
15K9.32 mi3.11 mi24208+33414180+15614180+15623559(Top 88%)13895(Top 92%)13895(Top 977%)
20K12.43 mi3.11 mi23502+70613874+30613874+30620796(Top 78%)12666(Top 83%)12666(Top 891%)
Half13.11 mi0.68 mi23395+10713819+5513819+5521257(Top 80%)12850(Top 85%)12850(Top 904%)
25K15.53 mi2.42 mi22978+41713607+21213607+21220769(Top 78%)12602(Top 83%)12602(Top 886%)
30K18.64 mi3.11 mi22450+52813339+26813339+26819632(Top 74%)12062(Top 79%)12062(Top 848%)
20M20.00 mi1.36 mi22222+22813229+11013229+11018876(Top 71%)11631(Top 77%)11631(Top 818%)
21M21.00 mi1.00 mi22013+20913130+9913130+9917375(Top 65%)10946(Top 72%)10946(Top 770%)
35K21.75 mi0.75 mi21937+7613097+3313097+3319738(Top 74%)11944(Top 79%)11944(Top 840%)
23M23.00 mi1.25 mi21771+16612997+10012997+10018949(Top 71%)11557(Top 76%)11557(Top 813%)
24M24.00 mi1.00 mi21682+8912946+5112946+5119388(Top 73%)11713(Top 77%)11713(Top 824%)
40K24.85 mi0.85 mi21595+8712899+4712899+4719349(Top 73%)11648(Top 77%)11648(Top 819%)
25.2M25.20 mi0.35 mi21530+6512860+3912860+3917593(Top 66%)10850(Top 71%)10850(Top 763%)
Finish26.22 mi1.02 mi21458+7212821+3912821+3919390(Top 73%)11705(Top 77%)11705(Top 823%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23559

Males

13895

M55-59

13895

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24777

Males

14439

M55-59

14439

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23559

Males

13895

M55-59

13895

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20796

Males

12666

M55-59

12666

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21257

Males

12850

M55-59

12850

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20769

Males

12602

M55-59

12602

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19632

Males

12062

M55-59

12062

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18876

Males

11631

M55-59

11631

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17375

Males

10946

M55-59

10946

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19738

Males

11944

M55-59

11944

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18949

Males

11557

M55-59

11557

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

19388

Males

11713

M55-59

11713

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19349

Males

11648

M55-59

11648

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17593

Males

10850

M55-59

10850

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19390

Males

11705

M55-59

11705

Passing Analysis

Category:
Athletes Passed
3224
Passed By
481
Net Change
+2743
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24201
5K → 10K78419-341#24201#24542
10K → 15K35925+334#24542#24208
15K → 20K7071+706#24208#23502
20K → Half1070+107#23502#23395
Half → 25K4214+417#23395#22978
25K → 30K5291+528#22978#22450
30K → 20M2280+228#22450#22222
20M → 21M2101+209#22222#22013
21M → 35K782+76#22013#21937
35K → 23M1715+166#21937#21771
23M → 24M945+89#21771#21682
24M → 40K936+87#21682#21595
40K → 25.2M661+65#21595#21530
25.2M → Finish8311+72#21530#21458
TOTALS3224481+2743
📊

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