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BOSTON MARATHON 2023

Calvin Boyce

Bib: 5892•M

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 31%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:24
Rank: #2658
Start → 5K
20:24 | 6:34/mi
10K· 6.21 mi
40:56
Rank: #3075 (-417)
5K → 10K
20:32 | 6:37/mi
15K· 9.32 mi
1:01:55
Rank: #3503 (-428)
10K → 15K
20:59 | 6:45/mi
20K· 12.43 mi
1:23:12
Rank: #3825 (-322)
15K → 20K
21:17 | 6:51/mi
Half· 13.11 mi
1:27:55
Rank: #3947 (-122)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:44:50
Rank: #4200 (-253)
Half → 25K
16:55 | 6:59/mi
30K· 18.64 mi
2:06:36
Rank: #4239 (-39)
25K → 30K
21:46 | 7:00/mi
20M
2:16:30
Rank: #4371 (-132)
30K → 20M
9:54 | 7:17/mi
21M
2:24:16
Rank: #4500 (-129)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:29:40
Rank: #4598 (-98)
21M → 35K
5:24 | 7:13/mi
23M
2:39:37
Rank: #4852 (-254)
35K → 23M
9:57 | 7:57/mi
24M
2:47:08
Rank: #4947 (-95)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
2:53:48
Rank: #5016 (-69)
24M → 40K
6:40 | 7:48/mi
25.2M
2:56:52
Rank: #5084 (-68)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:04:39
Rank: #5174 (-90)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:55
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:36:44
Pace7:23 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5320:246:3420:24
6:34
-
10K
6.21 mi10:43:2540:566:3520:32
6:37
+0:03
15K
9.32 mi11:04:241:01:556:3920:59
6:45
+0:08
20K
12.43 mi11:25:411:23:126:4221:17
6:51
+0:06
Half
13.11 mi11:30:241:27:556:424:43
6:55
+0:04
25K
15.53 mi11:47:191:44:506:4516:55
6:59
+0:04
30K
18.64 mi12:09:052:06:366:4721:46
7:00
+0:01
20M
20.00 mi12:18:592:16:306:499:54
7:17
+0:17
21M
21.00 mi12:26:452:24:166:527:46
7:46
+0:29
35K
21.75 mi12:32:092:29:406:535:24
7:13
-0:33
23M
23.00 mi12:42:062:39:376:569:57
7:57
+0:44
24M
24.00 mi12:49:372:47:086:587:31
7:31
-0:26
40K
24.85 mi12:56:172:53:487:006:40
7:48
+0:17
25.2M
25.20 mi12:59:212:56:527:013:04
8:54
+1:06
Finish
26.22 mi13:07:083:04:397:037:47
7:38
-1:16

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

6:34 /mi

Average Pace

7:03 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:12

45% of race

Time at Steady Pace

1:06:13

36% of race

Time at Slower Pace

35:14

19% of race

Average Pace: 7:03 /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 mi10:22:5320:246:3420:24
6:34
#2658
10K
6.21 mi10:43:2540:566:3520:32
6:37
#3075
15K
9.32 mi11:04:241:01:556:3920:59
6:45
#3503
20K
12.43 mi11:25:411:23:126:4221:17
6:51
#3825
Half
13.11 mi11:30:241:27:556:424:43
6:55
#3947
25K
15.53 mi11:47:191:44:506:4516:55
6:59
#4200
30K
18.64 mi12:09:052:06:366:4721:46
7:00
#4239
20M
20.00 mi12:18:592:16:306:499:54
7:17
#4371
21M
21.00 mi12:26:452:24:166:527:46
7:46
#4500
35K
21.75 mi12:32:092:29:406:535:24
7:13
#4598
23M
23.00 mi12:42:062:39:376:569:57
7:57
#4852
24M
24.00 mi12:49:372:47:086:587:31
7:31
#4947
40K
24.85 mi12:56:172:53:487:006:40
7:48
#5016
25.2M
25.20 mi12:59:212:56:527:013:04
8:54
#5084
Finish
26.22 mi13:07:083:04:397:037:47
7:38
#5174
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2658253225324660(Top 18%)4353(Top 29%)4353(Top 82%)
10K6.21 mi3.10 mi3075-4172928-3962928-3963570(Top 13%)3376(Top 22%)3376(Top 64%)
15K9.32 mi3.11 mi3503-4283316-3883316-3884660(Top 18%)4353(Top 29%)4353(Top 82%)
20K12.43 mi3.11 mi3825-3223612-2963612-2964921(Top 18%)4570(Top 30%)4570(Top 86%)
Half13.11 mi0.68 mi3947-1223712-1003712-1006031(Top 23%)5501(Top 36%)5501(Top 104%)
25K15.53 mi2.42 mi4200-2533938-2263938-2265433(Top 20%)5004(Top 33%)5004(Top 95%)
30K18.64 mi3.11 mi4239-393978-403978-404389(Top 16%)4077(Top 27%)4077(Top 77%)
20M20.00 mi1.36 mi4371-1324081-1034081-1035544(Top 21%)4956(Top 33%)4956(Top 94%)
21M21.00 mi1.00 mi4500-1294199-1184199-1185969(Top 22%)5167(Top 34%)5167(Top 98%)
35K21.75 mi0.75 mi4598-984282-834282-836575(Top 25%)5612(Top 37%)5612(Top 106%)
23M23.00 mi1.25 mi4852-2544499-2174499-2179350(Top 35%)7136(Top 47%)7136(Top 135%)
24M24.00 mi1.00 mi4947-954561-624561-627764(Top 29%)6159(Top 41%)6159(Top 117%)
40K24.85 mi0.85 mi5016-694617-564617-568608(Top 32%)6592(Top 43%)6592(Top 125%)
25.2M25.20 mi0.35 mi5084-684673-564673-5611759(Top 44%)8102(Top 53%)8102(Top 153%)
Finish26.22 mi1.02 mi5174-904738-654738-659486(Top 36%)6992(Top 46%)6992(Top 132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4660

Males

4353

M18-39

4353

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3570

Males

3376

M18-39

3376

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4660

Males

4353

M18-39

4353

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4921

Males

4570

M18-39

4570

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6031

Males

5501

M18-39

5501

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5433

Males

5004

M18-39

5004

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4389

Males

4077

M18-39

4077

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5544

Males

4956

M18-39

4956

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5969

Males

5167

M18-39

5167

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6575

Males

5612

M18-39

5612

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9350

Males

7136

M18-39

7136

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7764

Males

6159

M18-39

6159

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8608

Males

6592

M18-39

6592

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11759

Males

8102

M18-39

8102

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9486

Males

6992

M18-39

6992

Passing Analysis

Category:
Athletes Passed
394
Passed By
2910
Net Change
-2516
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2658
5K → 10K44461-417#2658#3075
10K → 15K14442-428#3075#3503
15K → 20K24346-322#3503#3825
20K → Half3125-122#3825#3947
Half → 25K26279-253#3947#4200
25K → 30K104143-39#4200#4239
30K → 20M33165-132#4239#4371
20M → 21M27156-129#4371#4500
21M → 35K22120-98#4500#4598
35K → 23M22276-254#4598#4852
23M → 24M24119-95#4852#4947
24M → 40K2493-69#4947#5016
40K → 25.2M674-68#5016#5084
25.2M → Finish21111-90#5084#5174
TOTALS3942910-2516
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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