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BOSTON MARATHON 2023

Craig Sjolin

Bib: 21064•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:34
Rank: #17906
Start → 5K
26:34 | 8:33/mi
10K· 6.21 mi
53:08
Rank: #18201 (-295)
5K → 10K
26:34 | 8:33/mi
15K· 9.32 mi
1:19:29
Rank: #18026 (+175)
10K → 15K
26:21 | 8:29/mi
20K· 12.43 mi
1:46:39
Rank: #18095 (-69)
15K → 20K
27:10 | 8:45/mi
Half· 13.11 mi
1:52:25
Rank: #18051 (+44)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:12:57
Rank: #17675 (+376)
Half → 25K
20:32 | 8:28/mi
30K· 18.64 mi
2:40:00
Rank: #17262 (+413)
25K → 30K
27:03 | 8:42/mi
20M
2:51:55
Rank: #17100 (+162)
30K → 20M
11:55 | 8:46/mi
21M
3:00:56
Rank: #16894 (+206)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
3:07:13
Rank: #16805 (+89)
21M → 35K
6:17 | 8:24/mi
23M
3:18:01
Rank: #16632 (+173)
35K → 23M
10:48 | 8:38/mi
24M
3:26:29
Rank: #16531 (+101)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:33:49
Rank: #16402 (+129)
24M → 40K
7:20 | 8:35/mi
25.2M
3:36:59
Rank: #16352 (+50)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:45:24
Rank: #16258 (+94)
25.2M → Finish
8:25 | 8:16/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:52:25
Pace8:35 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:52:59
Pace8:37 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1626:348:3326:34
8:33
-
10K
6.21 mi11:45:5053:088:3326:34
8:33
0:00
15K
9.32 mi12:12:111:19:298:3226:21
8:29
-0:04
20K
12.43 mi12:39:211:46:398:3527:10
8:45
+0:16
Half
13.11 mi12:45:071:52:258:355:46
8:27
-0:18
25K
15.53 mi13:05:392:12:578:3420:32
8:28
+0:01
30K
18.64 mi13:32:422:40:008:3527:03
8:42
+0:14
20M
20.00 mi13:44:372:51:558:3611:55
8:46
+0:04
21M
21.00 mi13:53:383:00:568:379:01
9:01
+0:15
35K
21.75 mi13:59:553:07:138:376:17
8:24
-0:37
23M
23.00 mi14:10:433:18:018:3710:48
8:38
+0:14
24M
24.00 mi14:19:113:26:298:368:28
8:28
-0:10
40K
24.85 mi14:26:313:33:498:367:20
8:35
+0:07
25.2M
25.20 mi14:29:413:36:598:373:10
9:11
+0:36
Finish
26.22 mi14:38:063:45:248:368:25
8:16
-0:55

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

8:16 /mi

Average Pace

8:36 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:42:14

99% of race

Time at Steady Pace

3:10

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:36 /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 mi11:19:1626:348:3326:34
8:33
#17906
10K
6.21 mi11:45:5053:088:3326:34
8:33
#18201
15K
9.32 mi12:12:111:19:298:3226:21
8:29
#18026
20K
12.43 mi12:39:211:46:398:3527:10
8:45
#18095
Half
13.11 mi12:45:071:52:258:355:46
8:27
#18051
25K
15.53 mi13:05:392:12:578:3420:32
8:28
#17675
30K
18.64 mi13:32:422:40:008:3527:03
8:42
#17262
20M
20.00 mi13:44:372:51:558:3611:55
8:46
#17100
21M
21.00 mi13:53:383:00:568:379:01
9:01
#16894
35K
21.75 mi13:59:553:07:138:376:17
8:24
#16805
23M
23.00 mi14:10:433:18:018:3710:48
8:38
#16632
24M
24.00 mi14:19:113:26:298:368:28
8:28
#16531
40K
24.85 mi14:26:313:33:498:367:20
8:35
#16402
25.2M
25.20 mi14:29:413:36:598:373:10
9:11
#16352
Finish
26.22 mi14:38:063:45:248:368:25
8:16
#16258
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17906113951139517668(Top 66%)11331(Top 75%)11331(Top 1021%)
10K6.21 mi3.10 mi18201-29511536-14111536-14118556(Top 70%)11728(Top 77%)11728(Top 1057%)
15K9.32 mi3.11 mi18026+17511460+7611460+7617668(Top 66%)11331(Top 75%)11331(Top 1021%)
20K12.43 mi3.11 mi18095-6911506-4611506-4618367(Top 69%)11627(Top 77%)11627(Top 1047%)
Half13.11 mi0.68 mi18051+4411491+1511491+1517412(Top 65%)11246(Top 74%)11246(Top 1013%)
25K15.53 mi2.42 mi17675+37611318+17311318+17316002(Top 60%)10542(Top 69%)10542(Top 950%)
30K18.64 mi3.11 mi17262+41311125+19311125+19315542(Top 58%)10285(Top 68%)10285(Top 927%)
20M20.00 mi1.36 mi17100+16211050+7511050+7515244(Top 57%)10092(Top 66%)10092(Top 909%)
21M21.00 mi1.00 mi16894+20610951+9910951+9913500(Top 51%)9278(Top 61%)9278(Top 836%)
35K21.75 mi0.75 mi16805+8910904+4710904+4714694(Top 55%)9745(Top 64%)9745(Top 878%)
23M23.00 mi1.25 mi16632+17310804+10010804+10013934(Top 52%)9348(Top 62%)9348(Top 842%)
24M24.00 mi1.00 mi16531+10110745+5910745+5914262(Top 54%)9428(Top 62%)9428(Top 849%)
40K24.85 mi0.85 mi16402+12910663+8210663+8213812(Top 52%)9165(Top 60%)9165(Top 826%)
25.2M25.20 mi0.35 mi16352+5010641+2210641+2213529(Top 51%)9022(Top 59%)9022(Top 813%)
Finish26.22 mi1.02 mi16258+9410597+4410597+4413830(Top 52%)9171(Top 60%)9171(Top 826%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17668

Males

11331

M60-64

11331

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18556

Males

11728

M60-64

11728

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17668

Males

11331

M60-64

11331

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

18367

Males

11627

M60-64

11627

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

17412

Males

11246

M60-64

11246

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

16002

Males

10542

M60-64

10542

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15542

Males

10285

M60-64

10285

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

15244

Males

10092

M60-64

10092

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13500

Males

9278

M60-64

9278

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14694

Males

9745

M60-64

9745

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13934

Males

9348

M60-64

9348

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14262

Males

9428

M60-64

9428

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13812

Males

9165

M60-64

9165

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13529

Males

9022

M60-64

9022

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13830

Males

9171

M60-64

9171

Passing Analysis

Category:
Athletes Passed
2615
Passed By
967
Net Change
+1648
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17906
5K → 10K183478-295#17906#18201
10K → 15K290115+175#18201#18026
15K → 20K153222-69#18026#18095
20K → Half5713+44#18095#18051
Half → 25K3848+376#18051#17675
25K → 30K43421+413#17675#17262
30K → 20M17513+162#17262#17100
20M → 21M2148+206#17100#16894
21M → 35K967+89#16894#16805
35K → 23M19017+173#16805#16632
23M → 24M11615+101#16632#16531
24M → 40K14920+129#16531#16402
40K → 25.2M6111+50#16402#16352
25.2M → Finish11319+94#16352#16258
TOTALS2615967+1648
📊

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