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BOSTON MARATHON 2023

Björn Wärn

Bib: 2530•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Masters (Masters Men)
#0 / 9891
Top 2%
Division (M45-49)
#0 / 2252
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:00
Rank: #932
Start → 5K
19:00 | 6:07/mi
10K· 6.21 mi
38:07
Rank: #1041 (-109)
5K → 10K
19:07 | 6:09/mi
15K· 9.32 mi
57:15
Rank: #1064 (-23)
10K → 15K
19:08 | 6:10/mi
20K· 12.43 mi
1:16:41
Rank: #1075 (-11)
15K → 20K
19:26 | 6:15/mi
Half· 13.11 mi
1:20:54
Rank: #1081 (-6)
20K → Half
4:13 | 6:11/mi
25K· 15.53 mi
1:36:15
Rank: #1117 (-36)
Half → 25K
15:21 | 6:20/mi
30K· 18.64 mi
1:56:45
Rank: #1210 (-93)
25K → 30K
20:30 | 6:36/mi
20M
2:05:40
Rank: #1227 (-17)
30K → 20M
8:55 | 6:34/mi
21M
2:12:32
Rank: #1235 (-8)
20M → 21M
6:52 | 6:52/mi
35K· 21.75 mi
2:17:15
Rank: #1226 (+9)
21M → 35K
4:43 | 6:18/mi
23M
2:25:25
Rank: #1222 (+4)
35K → 23M
8:10 | 6:31/mi
24M
2:31:57
Rank: #1253 (-31)
23M → 24M
6:32 | 6:32/mi
40K· 24.85 mi
2:37:38
Rank: #1264 (-11)
24M → 40K
5:41 | 6:39/mi
25.2M
2:40:05
Rank: #1264
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:46:40
Rank: #1278 (-14)
25.2M → Finish
6:35 | 6:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:54
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:25:46
Pace6:33 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3819:006:0719:00
6:07
-
10K
6.21 mi10:38:4538:076:0819:07
6:09
+0:02
15K
9.32 mi10:57:5357:156:0919:08
6:10
+0:01
20K
12.43 mi11:17:191:16:416:1019:26
6:15
+0:05
Half
13.11 mi11:21:321:20:546:104:13
6:11
-0:04
25K
15.53 mi11:36:531:36:156:1215:21
6:20
+0:09
30K
18.64 mi11:57:231:56:456:1620:30
6:36
+0:16
20M
20.00 mi12:06:182:05:406:178:55
6:34
-0:02
21M
21.00 mi12:13:102:12:326:196:52
6:52
+0:18
35K
21.75 mi12:17:532:17:156:194:43
6:18
-0:34
23M
23.00 mi12:26:032:25:256:198:10
6:31
+0:13
24M
24.00 mi12:32:352:31:576:206:32
6:32
+0:01
40K
24.85 mi12:38:162:37:386:215:41
6:39
+0:07
25.2M
25.20 mi12:40:432:40:056:212:27
7:06
+0:27
Finish
26.22 mi12:47:182:46:406:226:35
6:28
-0:38

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

6:07 /mi

Average Pace

6:22 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:21

94% of race

Time at Steady Pace

9:19

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:21 /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 mi10:19:3819:006:0719:00
6:07
#932
10K
6.21 mi10:38:4538:076:0819:07
6:09
#1041
15K
9.32 mi10:57:5357:156:0919:08
6:10
#1064
20K
12.43 mi11:17:191:16:416:1019:26
6:15
#1075
Half
13.11 mi11:21:321:20:546:104:13
6:11
#1081
25K
15.53 mi11:36:531:36:156:1215:21
6:20
#1117
30K
18.64 mi11:57:231:56:456:1620:30
6:36
#1210
20M
20.00 mi12:06:182:05:406:178:55
6:34
#1227
21M
21.00 mi12:13:102:12:326:196:52
6:52
#1235
35K
21.75 mi12:17:532:17:156:194:43
6:18
#1226
23M
23.00 mi12:26:032:25:256:198:10
6:31
#1222
24M
24.00 mi12:32:352:31:576:206:32
6:32
#1253
40K
24.85 mi12:38:162:37:386:215:41
6:39
#1264
25.2M
25.20 mi12:40:432:40:056:212:27
7:06
#1264
Finish
26.22 mi12:47:182:46:406:226:35
6:28
#1278
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9328778771125(Top 4%)1072(Top 7%)1072(Top 48%)
10K6.21 mi3.10 mi1041-109985-108985-1081186(Top 4%)1125(Top 7%)1125(Top 50%)
15K9.32 mi3.11 mi1064-231009-241009-241125(Top 4%)1072(Top 7%)1072(Top 48%)
20K12.43 mi3.11 mi1075-111020-111020-111235(Top 5%)1182(Top 8%)1182(Top 52%)
Half13.11 mi0.68 mi1081-61026-61026-61287(Top 5%)1235(Top 8%)1235(Top 55%)
25K15.53 mi2.42 mi1117-361062-361062-361446(Top 5%)1383(Top 9%)1383(Top 61%)
30K18.64 mi3.11 mi1210-931155-931155-931939(Top 7%)1853(Top 12%)1853(Top 82%)
20M20.00 mi1.36 mi1227-171172-171172-171673(Top 6%)1596(Top 11%)1596(Top 71%)
21M21.00 mi1.00 mi1235-81180-81180-81631(Top 6%)1552(Top 10%)1552(Top 69%)
35K21.75 mi0.75 mi1226+91171+91171+91571(Top 6%)1491(Top 10%)1491(Top 66%)
23M23.00 mi1.25 mi1222+41166+51166+51490(Top 6%)1415(Top 9%)1415(Top 63%)
24M24.00 mi1.00 mi1253-311196-301196-302212(Top 8%)2070(Top 14%)2070(Top 92%)
40K24.85 mi0.85 mi1264-111206-101206-102078(Top 8%)1942(Top 13%)1942(Top 86%)
25.2M25.20 mi0.35 mi12641205+11205+12071(Top 8%)1927(Top 13%)1927(Top 86%)
Finish26.22 mi1.02 mi1278-141218-131218-132275(Top 9%)2103(Top 14%)2103(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1125

Males

1072

M45-49

1072

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1186

Males

1125

M45-49

1125

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1125

Males

1072

M45-49

1072

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1235

Males

1182

M45-49

1182

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1287

Males

1235

M45-49

1235

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1446

Males

1383

M45-49

1383

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1939

Males

1853

M45-49

1853

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1673

Males

1596

M45-49

1596

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1631

Males

1552

M45-49

1552

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1571

Males

1491

M45-49

1491

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1490

Males

1415

M45-49

1415

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2212

Males

2070

M45-49

2070

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2078

Males

1942

M45-49

1942

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2071

Males

1927

M45-49

1927

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2275

Males

2103

M45-49

2103

Passing Analysis

Category:
Athletes Passed
222
Passed By
568
Net Change
-346
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#932
5K → 10K14123-109#932#1041
10K → 15K2346-23#1041#1064
15K → 20K2435-11#1064#1075
20K → Half39-6#1075#1081
Half → 25K1753-36#1081#1117
25K → 30K17110-93#1117#1210
30K → 20M1229-17#1210#1227
20M → 21M1927-8#1227#1235
21M → 35K2112+9#1235#1226
35K → 23M2622+4#1226#1222
23M → 24M1041-31#1222#1253
24M → 40K1425-11#1253#1264
40K → 25.2M660#1264#1264
25.2M → Finish1630-14#1264#1278
TOTALS222568-346
📊

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