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BOSTON MARATHON 2023

Jonathon Western

Bib: 3541•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:48
Rank: #1706
Start → 5K
19:48 | 6:22/mi
10K· 6.21 mi
39:04
Rank: #1517 (+189)
5K → 10K
19:16 | 6:12/mi
15K· 9.32 mi
58:33
Rank: #1502 (+15)
10K → 15K
19:29 | 6:16/mi
20K· 12.43 mi
1:18:12
Rank: #1485 (+17)
15K → 20K
19:39 | 6:19/mi
Half· 13.11 mi
1:22:24
Rank: #1464 (+21)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:37:45
Rank: #1442 (+22)
Half → 25K
15:21 | 6:20/mi
30K· 18.64 mi
1:57:57
Rank: #1455 (-13)
25K → 30K
20:12 | 6:30/mi
20M
2:06:56
Rank: #1468 (-13)
30K → 20M
8:59 | 6:37/mi
21M
2:14:11
Rank: #1530 (-62)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:19:01
Rank: #1543 (-13)
21M → 35K
4:50 | 6:28/mi
23M
2:27:32
Rank: #1586 (-43)
35K → 23M
8:31 | 6:48/mi
24M
2:34:11
Rank: #1599 (-13)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
2:40:05
Rank: #1630 (-31)
24M → 40K
5:54 | 6:54/mi
25.2M
2:42:44
Rank: #1660 (-30)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:49:42
Rank: #1724 (-64)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:24
Pace6:17 /mi
2nd Half
Distance13.11 mi
Time1:27:18
Pace6:40 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1619:486:2219:48
6:22
-
10K
6.21 mi10:40:3239:046:1719:16
6:12
-0:10
15K
9.32 mi11:00:0158:336:1719:29
6:16
+0:04
20K
12.43 mi11:19:401:18:126:1819:39
6:19
+0:03
Half
13.11 mi11:23:521:22:246:174:12
6:09
-0:10
25K
15.53 mi11:39:131:37:456:1815:21
6:20
+0:11
30K
18.64 mi11:59:251:57:576:2020:12
6:30
+0:10
20M
20.00 mi12:08:242:06:566:218:59
6:37
+0:07
21M
21.00 mi12:15:392:14:116:237:15
7:15
+0:38
35K
21.75 mi12:20:292:19:016:244:50
6:28
-0:47
23M
23.00 mi12:29:002:27:326:258:31
6:48
+0:20
24M
24.00 mi12:35:392:34:116:256:39
6:39
-0:09
40K
24.85 mi12:41:332:40:056:265:54
6:54
+0:15
25.2M
25.20 mi12:44:122:42:446:272:39
7:41
+0:47
Finish
26.22 mi12:51:102:49:426:296:58
6:50
-0:51

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

6:09 /mi

Average Pace

6:29 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:57

25% of race

Time at Steady Pace

1:35:28

56% of race

Time at Slower Pace

31:17

18% of race

Average Pace: 6:28 /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 mi10:21:1619:486:2219:48
6:22
#1706
10K
6.21 mi10:40:3239:046:1719:16
6:12
#1517
15K
9.32 mi11:00:0158:336:1719:29
6:16
#1502
20K
12.43 mi11:19:401:18:126:1819:39
6:19
#1485
Half
13.11 mi11:23:521:22:246:174:12
6:09
#1464
25K
15.53 mi11:39:131:37:456:1815:21
6:20
#1442
30K
18.64 mi11:59:251:57:576:2020:12
6:30
#1455
20M
20.00 mi12:08:242:06:566:218:59
6:37
#1468
21M
21.00 mi12:15:392:14:116:237:15
7:15
#1530
35K
21.75 mi12:20:292:19:016:244:50
6:28
#1543
23M
23.00 mi12:29:002:27:326:258:31
6:48
#1586
24M
24.00 mi12:35:392:34:116:256:39
6:39
#1599
40K
24.85 mi12:41:332:40:056:265:54
6:54
#1630
25.2M
25.20 mi12:44:122:42:446:272:39
7:41
#1660
Finish
26.22 mi12:51:102:49:426:296:58
6:50
#1724
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1706162616261529(Top 6%)1459(Top 10%)1459(Top 28%)
10K6.21 mi3.10 mi1517+1891447+1791447+1791366(Top 5%)1302(Top 9%)1302(Top 25%)
15K9.32 mi3.11 mi1502+151432+151432+151529(Top 6%)1459(Top 10%)1459(Top 28%)
20K12.43 mi3.11 mi1485+171418+141418+141501(Top 6%)1435(Top 9%)1435(Top 27%)
Half13.11 mi0.68 mi1464+211397+211397+211215(Top 5%)1164(Top 8%)1164(Top 22%)
25K15.53 mi2.42 mi1442+221378+191378+191450(Top 5%)1387(Top 9%)1387(Top 26%)
30K18.64 mi3.11 mi1455-131391-131391-131562(Top 6%)1495(Top 10%)1495(Top 28%)
20M20.00 mi1.36 mi1468-131403-121403-121894(Top 7%)1806(Top 12%)1806(Top 34%)
21M21.00 mi1.00 mi1530-621462-591462-593315(Top 12%)3085(Top 20%)3085(Top 58%)
35K21.75 mi0.75 mi1543-131474-121474-122197(Top 8%)2084(Top 14%)2084(Top 39%)
23M23.00 mi1.25 mi1586-431516-421516-422643(Top 10%)2476(Top 16%)2476(Top 47%)
24M24.00 mi1.00 mi1599-131528-121528-122806(Top 11%)2607(Top 17%)2607(Top 49%)
40K24.85 mi0.85 mi1630-311557-291557-293292(Top 12%)3008(Top 20%)3008(Top 57%)
25.2M25.20 mi0.35 mi1660-301585-281585-284688(Top 18%)4041(Top 27%)4041(Top 76%)
Finish26.22 mi1.02 mi1724-641648-631648-634245(Top 16%)3721(Top 25%)3721(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1529

Males

1459

M18-39

1459

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1366

Males

1302

M18-39

1302

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1529

Males

1459

M18-39

1459

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1501

Males

1435

M18-39

1435

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1215

Males

1164

M18-39

1164

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1450

Males

1387

M18-39

1387

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1562

Males

1495

M18-39

1495

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1894

Males

1806

M18-39

1806

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3315

Males

3085

M18-39

3085

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2197

Males

2084

M18-39

2084

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2643

Males

2476

M18-39

2476

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2806

Males

2607

M18-39

2607

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3292

Males

3008

M18-39

3008

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4688

Males

4041

M18-39

4041

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4245

Males

3721

M18-39

3721

Passing Analysis

Category:
Athletes Passed
534
Passed By
552
Net Change
-18
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1706
5K → 10K21021+189#1706#1517
10K → 15K5944+15#1517#1502
15K → 20K5538+17#1502#1485
20K → Half221+21#1485#1464
Half → 25K4725+22#1464#1442
25K → 30K4457-13#1442#1455
30K → 20M1730-13#1455#1468
20M → 21M1072-62#1468#1530
21M → 35K821-13#1530#1543
35K → 23M1255-43#1543#1586
23M → 24M2336-13#1586#1599
24M → 40K1546-31#1599#1630
40K → 25.2M131-30#1630#1660
25.2M → Finish1175-64#1660#1724
TOTALS534552-18
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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