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BOSTON MARATHON 2023

Jonas Lagergren

Bib: 2158•M

WV

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:43
Rank: #1604
Start → 5K
19:43 | 6:21/mi
10K· 6.21 mi
39:13
Rank: #1611 (-7)
5K → 10K
19:30 | 6:17/mi
15K· 9.32 mi
58:48
Rank: #1620 (-9)
10K → 15K
19:35 | 6:18/mi
20K· 12.43 mi
1:18:32
Rank: #1608 (+12)
15K → 20K
19:44 | 6:21/mi
Half· 13.11 mi
1:22:50
Rank: #1613 (-5)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:38:20
Rank: #1600 (+13)
Half → 25K
15:30 | 6:24/mi
30K· 18.64 mi
1:58:26
Rank: #1552 (+48)
25K → 30K
20:06 | 6:28/mi
20M
2:07:15
Rank: #1529 (+23)
30K → 20M
8:49 | 6:29/mi
21M
2:13:54
Rank: #1478 (+51)
20M → 21M
6:39 | 6:39/mi
35K· 21.75 mi
2:18:27
Rank: #1445 (+33)
21M → 35K
4:33 | 6:05/mi
23M
2:26:14
Rank: #1363 (+82)
35K → 23M
7:47 | 6:13/mi
24M
2:32:16
Rank: #1299 (+64)
23M → 24M
6:02 | 6:02/mi
40K· 24.85 mi
2:37:36
Rank: #1257 (+42)
24M → 40K
5:20 | 6:14/mi
25.2M
2:39:53
Rank: #1243 (+14)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:45:53
Rank: #1190 (+53)
25.2M → Finish
6:00 | 5:53/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:22:50
Pace6:19 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:03
Pace6:20 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2719:436:2119:43
6:21
-
10K
6.21 mi10:39:5739:136:1919:30
6:17
-0:04
15K
9.32 mi10:59:3258:486:1919:35
6:18
+0:01
20K
12.43 mi11:19:161:18:326:1919:44
6:21
+0:03
Half
13.11 mi11:23:341:22:506:194:18
6:18
-0:03
25K
15.53 mi11:39:041:38:206:2015:30
6:24
+0:06
30K
18.64 mi11:59:101:58:266:2120:06
6:28
+0:04
20M
20.00 mi12:07:592:07:156:228:49
6:29
+0:01
21M
21.00 mi12:14:382:13:546:236:39
6:39
+0:10
35K
21.75 mi12:19:112:18:276:224:33
6:05
-0:34
23M
23.00 mi12:26:582:26:146:217:47
6:13
+0:08
24M
24.00 mi12:33:002:32:166:216:02
6:02
-0:11
40K
24.85 mi12:38:202:37:366:205:20
6:14
+0:12
25.2M
25.20 mi12:40:372:39:536:212:17
6:37
+0:23
Finish
26.22 mi12:46:372:45:536:206:00
5:53
-0:44

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

5:53 /mi

Average Pace

6:20 /mi

Slowest Pace

6:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:08

89% of race

Time at Steady Pace

17:45

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:20 /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 mi10:20:2719:436:2119:43
6:21
#1604
10K
6.21 mi10:39:5739:136:1919:30
6:17
#1611
15K
9.32 mi10:59:3258:486:1919:35
6:18
#1620
20K
12.43 mi11:19:161:18:326:1919:44
6:21
#1608
Half
13.11 mi11:23:341:22:506:194:18
6:18
#1613
25K
15.53 mi11:39:041:38:206:2015:30
6:24
#1600
30K
18.64 mi11:59:101:58:266:2120:06
6:28
#1552
20M
20.00 mi12:07:592:07:156:228:49
6:29
#1529
21M
21.00 mi12:14:382:13:546:236:39
6:39
#1478
35K
21.75 mi12:19:112:18:276:224:33
6:05
#1445
23M
23.00 mi12:26:582:26:146:217:47
6:13
#1363
24M
24.00 mi12:33:002:32:166:216:02
6:02
#1299
40K
24.85 mi12:38:202:37:366:205:20
6:14
#1257
25.2M
25.20 mi12:40:372:39:536:212:17
6:37
#1243
Finish
26.22 mi12:46:372:45:536:206:00
5:53
#1190
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1604152815281658(Top 6%)1584(Top 10%)1584(Top 30%)
10K6.21 mi3.10 mi1611-71538-101538-101659(Top 6%)1585(Top 10%)1585(Top 30%)
15K9.32 mi3.11 mi1620-91547-91547-91658(Top 6%)1584(Top 10%)1584(Top 30%)
20K12.43 mi3.11 mi1608+121537+101537+101596(Top 6%)1526(Top 10%)1526(Top 29%)
Half13.11 mi0.68 mi1613-51542-51542-51753(Top 7%)1682(Top 11%)1682(Top 32%)
25K15.53 mi2.42 mi1600+131532+101532+101680(Top 6%)1608(Top 11%)1608(Top 30%)
30K18.64 mi3.11 mi1552+481483+491483+491445(Top 5%)1381(Top 9%)1381(Top 26%)
20M20.00 mi1.36 mi1529+231461+221461+221389(Top 5%)1324(Top 9%)1324(Top 25%)
21M21.00 mi1.00 mi1478+511413+481413+48977(Top 4%)929(Top 6%)929(Top 18%)
35K21.75 mi0.75 mi1445+331380+331380+33883(Top 3%)840(Top 6%)840(Top 16%)
23M23.00 mi1.25 mi1363+821300+801300+80653(Top 2%)617(Top 4%)617(Top 12%)
24M24.00 mi1.00 mi1299+641239+611239+61622(Top 2%)589(Top 4%)589(Top 11%)
40K24.85 mi0.85 mi1257+421199+401199+40742(Top 3%)703(Top 5%)703(Top 13%)
25.2M25.20 mi0.35 mi1243+141185+141185+14718(Top 3%)683(Top 5%)683(Top 13%)
Finish26.22 mi1.02 mi1190+531134+511134+51507(Top 2%)484(Top 3%)484(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1658

Males

1584

M18-39

1584

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1659

Males

1585

M18-39

1585

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1658

Males

1584

M18-39

1584

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1596

Males

1526

M18-39

1526

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1753

Males

1682

M18-39

1682

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1680

Males

1608

M18-39

1608

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1445

Males

1381

M18-39

1381

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1389

Males

1324

M18-39

1324

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

977

Males

929

M18-39

929

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

883

Males

840

M18-39

840

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

653

Males

617

M18-39

617

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

622

Males

589

M18-39

589

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

742

Males

703

M18-39

703

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

718

Males

683

M18-39

683

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

507

Males

484

M18-39

484

Passing Analysis

Category:
Athletes Passed
713
Passed By
299
Net Change
+414
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1604
5K → 10K8188-7#1604#1611
10K → 15K5362-9#1611#1620
15K → 20K5543+12#1620#1608
20K → Half1015-5#1608#1613
Half → 25K4431+13#1613#1600
25K → 30K7931+48#1600#1552
30K → 20M3815+23#1552#1529
20M → 21M554+51#1529#1478
21M → 35K363+33#1478#1445
35K → 23M831+82#1445#1363
23M → 24M651+64#1363#1299
24M → 40K442+42#1299#1257
40K → 25.2M162+14#1257#1243
25.2M → Finish541+53#1243#1190
TOTALS713299+414
📊

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