Boston Marathon logo
BOSTON MARATHON 2023

Sjur Haug

Bib: 328•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:58
Rank: #910
Start → 5K
18:58 | 6:06/mi
10K· 6.21 mi
37:59
Rank: #995 (-85)
5K → 10K
19:01 | 6:07/mi
15K· 9.32 mi
57:15
Rank: #1062 (-67)
10K → 15K
19:16 | 6:12/mi
20K· 12.43 mi
1:16:50
Rank: #1112 (-50)
15K → 20K
19:35 | 6:18/mi
Half· 13.11 mi
1:21:07
Rank: #1131 (-19)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:36:31
Rank: #1166 (-35)
Half → 25K
15:24 | 6:21/mi
30K· 18.64 mi
1:56:21
Rank: #1142 (+24)
25K → 30K
19:50 | 6:23/mi
20M
2:05:01
Rank: #1124 (+18)
30K → 20M
8:40 | 6:23/mi
21M
2:11:42
Rank: #1098 (+26)
20M → 21M
6:41 | 6:41/mi
35K· 21.75 mi
2:16:17
Rank: #1081 (+17)
21M → 35K
4:35 | 6:08/mi
23M
2:24:24
Rank: #1080 (+1)
35K → 23M
8:07 | 6:29/mi
24M
2:30:38
Rank: #1072 (+8)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:36:07
Rank: #1068 (+4)
24M → 40K
5:29 | 6:25/mi
25.2M
2:38:33
Rank: #1072 (-4)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:44:49
Rank: #1064 (+8)
25.2M → Finish
6:16 | 6:09/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:07
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:23:42
Pace6:23 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0518:586:0618:58
6:06
-
10K
6.21 mi10:38:0637:596:0719:01
6:07
+0:01
15K
9.32 mi10:57:2257:156:0919:16
6:12
+0:05
20K
12.43 mi11:16:571:16:506:1119:35
6:18
+0:06
Half
13.11 mi11:21:141:21:076:114:17
6:17
-0:01
25K
15.53 mi11:36:381:36:316:1315:24
6:21
+0:04
30K
18.64 mi11:56:281:56:216:1419:50
6:23
+0:02
20M
20.00 mi12:05:082:05:016:158:40
6:23
0:00
21M
21.00 mi12:11:492:11:426:166:41
6:41
+0:18
35K
21.75 mi12:16:242:16:176:164:35
6:08
-0:33
23M
23.00 mi12:24:312:24:246:178:07
6:29
+0:21
24M
24.00 mi12:30:452:30:386:176:14
6:14
-0:15
40K
24.85 mi12:36:142:36:076:175:29
6:25
+0:11
25.2M
25.20 mi12:38:402:38:336:182:26
7:03
+0:38
Finish
26.22 mi12:44:562:44:496:176:16
6:09
-0:54

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

6:06 /mi

Average Pace

6:17 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:23

99% of race

Time at Steady Pace

2:26

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:17 /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 mi10:19:0518:586:0618:58
6:06
#910
10K
6.21 mi10:38:0637:596:0719:01
6:07
#995
15K
9.32 mi10:57:2257:156:0919:16
6:12
#1062
20K
12.43 mi11:16:571:16:506:1119:35
6:18
#1112
Half
13.11 mi11:21:141:21:076:114:17
6:17
#1131
25K
15.53 mi11:36:381:36:316:1315:24
6:21
#1166
30K
18.64 mi11:56:281:56:216:1419:50
6:23
#1142
20M
20.00 mi12:05:082:05:016:158:40
6:23
#1124
21M
21.00 mi12:11:492:11:426:166:41
6:41
#1098
35K
21.75 mi12:16:242:16:176:164:35
6:08
#1081
23M
23.00 mi12:24:312:24:246:178:07
6:29
#1080
24M
24.00 mi12:30:452:30:386:176:14
6:14
#1072
40K
24.85 mi12:36:142:36:076:175:29
6:25
#1068
25.2M
25.20 mi12:38:402:38:336:182:26
7:03
#1072
Finish
26.22 mi12:44:562:44:496:176:16
6:09
#1064
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi9108568561245(Top 5%)1186(Top 8%)1186(Top 22%)
10K6.21 mi3.10 mi995-85939-83939-831097(Top 4%)1040(Top 7%)1040(Top 20%)
15K9.32 mi3.11 mi1062-671007-681007-681245(Top 5%)1186(Top 8%)1186(Top 22%)
20K12.43 mi3.11 mi1112-501057-501057-501387(Top 5%)1325(Top 9%)1325(Top 25%)
Half13.11 mi0.68 mi1131-191076-191076-191652(Top 6%)1582(Top 10%)1582(Top 30%)
25K15.53 mi2.42 mi1166-351111-351111-351518(Top 6%)1454(Top 10%)1454(Top 28%)
30K18.64 mi3.11 mi1142+241089+221089+221162(Top 4%)1107(Top 7%)1107(Top 21%)
20M20.00 mi1.36 mi1124+181071+181071+181061(Top 4%)1016(Top 7%)1016(Top 19%)
21M21.00 mi1.00 mi1098+261045+261045+261040(Top 4%)991(Top 7%)991(Top 19%)
35K21.75 mi0.75 mi1081+171029+161029+161010(Top 4%)960(Top 6%)960(Top 18%)
23M23.00 mi1.25 mi1080+11028+11028+11351(Top 5%)1280(Top 8%)1280(Top 24%)
24M24.00 mi1.00 mi1072+81020+81020+81114(Top 4%)1055(Top 7%)1055(Top 20%)
40K24.85 mi0.85 mi1068+41016+41016+41233(Top 5%)1161(Top 8%)1161(Top 22%)
25.2M25.20 mi0.35 mi1072-41020-41020-41874(Top 7%)1757(Top 12%)1757(Top 33%)
Finish26.22 mi1.02 mi1064+81013+71013+71124(Top 4%)1070(Top 7%)1070(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1245

Males

1186

M18-39

1186

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1097

Males

1040

M18-39

1040

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1245

Males

1186

M18-39

1186

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1387

Males

1325

M18-39

1325

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1652

Males

1582

M18-39

1582

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1518

Males

1454

M18-39

1454

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1162

Males

1107

M18-39

1107

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1061

Males

1016

M18-39

1016

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1040

Males

991

M18-39

991

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1010

Males

960

M18-39

960

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1351

Males

1280

M18-39

1280

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1114

Males

1055

M18-39

1055

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1233

Males

1161

M18-39

1161

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1874

Males

1757

M18-39

1757

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1124

Males

1070

M18-39

1070

Passing Analysis

Category:
Athletes Passed
272
Passed By
426
Net Change
-154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#910
5K → 10K21106-85#910#995
10K → 15K875-67#995#1062
15K → 20K1666-50#1062#1112
20K → Half019-19#1112#1131
Half → 25K1752-35#1131#1166
25K → 30K4925+24#1166#1142
30K → 20M3012+18#1142#1124
20M → 21M337+26#1124#1098
21M → 35K192+17#1098#1081
35K → 23M1918+1#1081#1080
23M → 24M146+8#1080#1072
24M → 40K1814+4#1072#1068
40K → 25.2M610-4#1068#1072
25.2M → Finish2214+8#1072#1064
TOTALS272426-154
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing