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BOSTON MARATHON 2023

Joakim Bjørklund

Bib: 1814 M NO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 12%
Division (M18-39)
#0 / 5285
Top 28%
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
6:17/mi
19:32
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:03/mi
38:20
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:19/mi
57:57
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:33/mi
1:18:17
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:25/mi
1:22:40
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:34/mi
1:38:36
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:51/mi
1:59:52
↑ 181↓ 1480.2%
138 ft elev
20M
6:51/mi
2:09:11
↑ 64↓ 500.2%
148 ft elev
21M
7:14/mi
2:16:25
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:14/mi
2:21:05
↑ 17↓ 861.7%
156 ft elev
23M
6:37/mi
2:29:22
↑ 23↓ 630.6%
116 ft elev
24M
6:36/mi
2:35:58
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:49/mi
2:41:48
↓ 200.3%
20 ft elev
25.2M
7:18/mi
2:44:19
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:19/mi
2:50:45
↑ 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
Time1:22:40
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:28:05
Pace6:43 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5419:326:1719:32
6:17
-
10K
6.21 mi10:38:4238:206:1018:48
6:03
-0:14
15K
9.32 mi10:58:1957:576:1319:37
6:19
+0:16
20K
12.43 mi11:18:391:18:176:1820:20
6:33
+0:14
Half
13.11 mi11:23:021:22:406:184:23
6:25
-0:08
25K
15.53 mi11:38:581:38:366:2115:56
6:34
+0:09
30K
18.64 mi12:00:141:59:526:2621:16
6:51
+0:17
20M
20.00 mi12:09:332:09:116:289:19
6:51
0:00
21M
21.00 mi12:16:472:16:256:307:14
7:14
+0:23
35K
21.75 mi12:21:272:21:056:294:40
6:14
-1:00
23M
23.00 mi12:29:442:29:226:308:17
6:37
+0:23
24M
24.00 mi12:36:202:35:586:306:36
6:36
-0:01
40K
24.85 mi12:42:102:41:486:315:50
6:49
+0:13
25.2M
25.20 mi12:44:412:44:196:312:31
7:18
+0:29
Finish
26.22 mi12:51:072:50:456:316:26
6:19
-0:59

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

6:03 /mi

Average Pace

6:31 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:03

40% of race

Time at Steady Pace

55:32

33% of race

Time at Slower Pace

46:10

27% of race

Average Pace: 6:31 /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 mi10:19:5419:326:1719:32
6:17
#1396
10K
6.21 mi10:38:4238:206:1018:48
6:03
#1134
15K
9.32 mi10:58:1957:576:1319:37
6:19
#1245
20K
12.43 mi11:18:391:18:176:1820:20
6:33
#1529
Half
13.11 mi11:23:021:22:406:184:23
6:25
#1568
25K
15.53 mi11:38:581:38:366:2115:56
6:34
#1693
30K
18.64 mi12:00:141:59:526:2621:16
6:51
#1874
20M
20.00 mi12:09:332:09:116:289:19
6:51
#1932
21M
21.00 mi12:16:472:16:256:307:14
7:14
#1981
35K
21.75 mi12:21:272:21:056:294:40
6:14
#1939
23M
23.00 mi12:29:442:29:226:308:17
6:37
#1912
24M
24.00 mi12:36:202:35:586:306:36
6:36
#1923
40K
24.85 mi12:42:102:41:486:315:50
6:49
#1935
25.2M
25.20 mi12:44:412:44:196:312:31
7:18
#1940
Finish
26.22 mi12:51:072:50:456:316:26
6:19
#1899
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1396132713271712(Top 6%)1638(Top 11%)1638(Top 31%)
10K6.21 mi3.10 mi1134+2621071+2561071+256943(Top 4%)894(Top 6%)894(Top 17%)
15K9.32 mi3.11 mi1245-1111182-1111182-1111712(Top 6%)1638(Top 11%)1638(Top 31%)
20K12.43 mi3.11 mi1529-2841460-2781460-2782533(Top 10%)2425(Top 16%)2425(Top 46%)
Half13.11 mi0.68 mi1568-391498-381498-382311(Top 9%)2216(Top 15%)2216(Top 42%)
25K15.53 mi2.42 mi1693-1251621-1231621-1232533(Top 10%)2423(Top 16%)2423(Top 46%)
30K18.64 mi3.11 mi1874-1811793-1721793-1723266(Top 12%)3076(Top 20%)3076(Top 58%)
20M20.00 mi1.36 mi1932-581850-571850-573118(Top 12%)2924(Top 19%)2924(Top 55%)
21M21.00 mi1.00 mi1981-491897-471897-473249(Top 12%)3029(Top 20%)3029(Top 57%)
35K21.75 mi0.75 mi1939+421857+401857+401377(Top 5%)1307(Top 9%)1307(Top 25%)
23M23.00 mi1.25 mi1912+271832+251832+251825(Top 7%)1729(Top 11%)1729(Top 33%)
24M24.00 mi1.00 mi1923-111841-91841-92533(Top 10%)2361(Top 16%)2361(Top 45%)
40K24.85 mi0.85 mi1935-121851-101851-102907(Top 11%)2674(Top 18%)2674(Top 51%)
25.2M25.20 mi0.35 mi1940-51856-51856-52866(Top 11%)2621(Top 17%)2621(Top 50%)
Finish26.22 mi1.02 mi1899+411816+401816+401670(Top 6%)1570(Top 10%)1570(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1712

Males

1638

M18-39

1638

5K→10K

3.1 - 6.2 mi

Top 4%
×5story building
+79ft-138ft

Overall

943

Males

894

M18-39

894

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1712

Males

1638

M18-39

1638

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2533

Males

2425

M18-39

2425

20K→Half

12.4 - 13.1 mi

Top 9%
×2story building
+19ft-37ft

Overall

2311

Males

2216

M18-39

2216

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2533

Males

2423

M18-39

2423

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3266

Males

3076

M18-39

3076

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3118

Males

2924

M18-39

2924

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3249

Males

3029

M18-39

3029

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1377

Males

1307

M18-39

1307

35K→23M

21.8 - 23.0 mi

Top 7%
×5story building
+23ft-63ft

Overall

1825

Males

1729

M18-39

1729

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2533

Males

2361

M18-39

2361

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2907

Males

2674

M18-39

2674

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2866

Males

2621

M18-39

2621

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1670

Males

1570

M18-39

1570

Passing Analysis

Category:
Athletes Passed
551
Passed By
1054
Net Change
-503
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1396
5K → 10K2686+262#1396#1134
10K → 15K8119-111#1134#1245
15K → 20K7291-284#1245#1529
20K → Half140-39#1529#1568
Half → 25K11136-125#1568#1693
25K → 30K21202-181#1693#1874
30K → 20M1472-58#1874#1932
20M → 21M1968-49#1932#1981
21M → 35K475+42#1981#1939
35K → 23M4619+27#1939#1912
23M → 24M2536-11#1912#1923
24M → 40K2335-12#1923#1935
40K → 25.2M1217-5#1935#1940
25.2M → Finish498+41#1940#1899
TOTALS5511054-503
📊

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