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BOSTON MARATHON 2023

Daniel Östlund

Bib: 8878•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 26%
Gender (Male)
#0 / 15176
Top 40%
Masters (Masters Men)
#0 / 9891
Top 27%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:03
Rank: #6862
Start → 5K
22:03 | 7:06/mi
10K· 6.21 mi
44:23
Rank: #7380 (-518)
5K → 10K
22:20 | 7:11/mi
15K· 9.32 mi
1:06:53
Rank: #7583 (-203)
10K → 15K
22:30 | 7:15/mi
20K· 12.43 mi
1:29:09
Rank: #7369 (+214)
15K → 20K
22:16 | 7:10/mi
Half· 13.11 mi
1:34:05
Rank: #7388 (-19)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:51:44
Rank: #7324 (+64)
Half → 25K
17:39 | 7:17/mi
30K· 18.64 mi
2:15:15
Rank: #7332 (-8)
25K → 30K
23:31 | 7:34/mi
20M
2:25:27
Rank: #7267 (+65)
30K → 20M
10:12 | 7:30/mi
21M
2:33:17
Rank: #7174 (+93)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:38:51
Rank: #7198 (-24)
21M → 35K
5:34 | 7:26/mi
23M
2:48:18
Rank: #7130 (+68)
35K → 23M
9:27 | 7:33/mi
24M
2:55:37
Rank: #7062 (+68)
23M → 24M
7:19 | 7:19/mi
40K· 24.85 mi
3:02:05
Rank: #7032 (+30)
24M → 40K
6:28 | 7:34/mi
25.2M
3:04:53
Rank: #7012 (+20)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:12:37
Rank: #7039 (-27)
25.2M → Finish
7:44 | 7:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:05
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:38:32
Pace7:31 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1222:037:0622:03
7:06
-
10K
6.21 mi11:09:3244:237:0922:20
7:11
+0:05
15K
9.32 mi11:32:021:06:537:1122:30
7:15
+0:04
20K
12.43 mi11:54:181:29:097:1022:16
7:10
-0:05
Half
13.11 mi11:59:141:34:057:114:56
7:14
+0:04
25K
15.53 mi12:16:531:51:447:1217:39
7:17
+0:03
30K
18.64 mi12:40:242:15:157:1523:31
7:34
+0:17
20M
20.00 mi12:50:362:25:277:1610:12
7:30
-0:04
21M
21.00 mi12:58:262:33:177:187:50
7:50
+0:20
35K
21.75 mi13:04:002:38:517:185:34
7:26
-0:24
23M
23.00 mi13:13:272:48:187:199:27
7:33
+0:07
24M
24.00 mi13:20:462:55:377:197:19
7:19
-0:14
40K
24.85 mi13:27:143:02:057:206:28
7:34
+0:15
25.2M
25.20 mi13:30:023:04:537:202:48
8:07
+0:33
Finish
26.22 mi13:37:463:12:377:217:44
7:35
-0:32

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

7:06 /mi

Average Pace

7:21 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:59

94% of race

Time at Steady Pace

10:38

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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 mi10:47:1222:037:0622:03
7:06
#6862
10K
6.21 mi11:09:3244:237:0922:20
7:11
#7380
15K
9.32 mi11:32:021:06:537:1122:30
7:15
#7583
20K
12.43 mi11:54:181:29:097:1022:16
7:10
#7369
Half
13.11 mi11:59:141:34:057:114:56
7:14
#7388
25K
15.53 mi12:16:531:51:447:1217:39
7:17
#7324
30K
18.64 mi12:40:242:15:157:1523:31
7:34
#7332
20M
20.00 mi12:50:362:25:277:1610:12
7:30
#7267
21M
21.00 mi12:58:262:33:177:187:50
7:50
#7174
35K
21.75 mi13:04:002:38:517:185:34
7:26
#7198
23M
23.00 mi13:13:272:48:187:199:27
7:33
#7130
24M
24.00 mi13:20:462:55:377:197:19
7:19
#7062
40K
24.85 mi13:27:143:02:057:206:28
7:34
#7032
25.2M
25.20 mi13:30:023:04:537:202:48
8:07
#7012
Finish
26.22 mi13:37:463:12:377:217:44
7:35
#7039
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6862617261728086(Top 30%)6973(Top 46%)6973(Top 311%)
10K6.21 mi3.10 mi7380-5186544-3726544-3728002(Top 30%)6939(Top 46%)6939(Top 310%)
15K9.32 mi3.11 mi7583-2036676-1326676-1328086(Top 30%)6973(Top 46%)6973(Top 311%)
20K12.43 mi3.11 mi7369+2146516+1606516+1606901(Top 26%)6135(Top 40%)6135(Top 274%)
Half13.11 mi0.68 mi7388-196529-136529-138034(Top 30%)6906(Top 46%)6906(Top 308%)
25K15.53 mi2.42 mi7324+646474+556474+557153(Top 27%)6255(Top 41%)6255(Top 279%)
30K18.64 mi3.11 mi7332-86450+246450+247702(Top 29%)6510(Top 43%)6510(Top 290%)
20M20.00 mi1.36 mi7267+656391+596391+596804(Top 26%)5844(Top 39%)5844(Top 261%)
21M21.00 mi1.00 mi7174+936315+766315+766338(Top 24%)5442(Top 36%)5442(Top 243%)
35K21.75 mi0.75 mi7198-246314+16314+18036(Top 30%)6507(Top 43%)6507(Top 290%)
23M23.00 mi1.25 mi7130+686242+726242+726706(Top 25%)5637(Top 37%)5637(Top 252%)
24M24.00 mi1.00 mi7062+686176+666176+666470(Top 24%)5400(Top 36%)5400(Top 241%)
40K24.85 mi0.85 mi7032+306136+406136+407078(Top 27%)5671(Top 37%)5671(Top 253%)
25.2M25.20 mi0.35 mi7012+206112+246112+247154(Top 27%)5668(Top 37%)5668(Top 253%)
Finish26.22 mi1.02 mi7039-276109+36109+39166(Top 34%)6836(Top 45%)6836(Top 305%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8086

Males

6973

M40-44

6973

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8002

Males

6939

M40-44

6939

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8086

Males

6973

M40-44

6973

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6901

Males

6135

M40-44

6135

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8034

Males

6906

M40-44

6906

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7153

Males

6255

M40-44

6255

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7702

Males

6510

M40-44

6510

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6804

Males

5844

M40-44

5844

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6338

Males

5442

M40-44

5442

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8036

Males

6507

M40-44

6507

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6706

Males

5637

M40-44

5637

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6470

Males

5400

M40-44

5400

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7078

Males

5671

M40-44

5671

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7154

Males

5668

M40-44

5668

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9166

Males

6836

M40-44

6836

Passing Analysis

Category:
Athletes Passed
1199
Passed By
1376
Net Change
-177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6862
5K → 10K53571-518#6862#7380
10K → 15K66269-203#7380#7583
15K → 20K23925+214#7583#7369
20K → Half1938-19#7369#7388
Half → 25K11248+64#7388#7324
25K → 30K119127-8#7324#7332
30K → 20M9429+65#7332#7267
20M → 21M11017+93#7267#7174
21M → 35K2852-24#7174#7198
35K → 23M11446+68#7198#7130
23M → 24M8618+68#7130#7062
24M → 40K6838+30#7062#7032
40K → 25.2M3818+20#7032#7012
25.2M → Finish5380-27#7012#7039
TOTALS11991376-177
📊

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