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BOSTON MARATHON 2023

Jason Guthrie

Bib: 3038•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Masters (Masters Men)
#0 / 9891
Top 1%
Division (M45-49)
#0 / 2252
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:36
Rank: #1457
Start → 5K
19:36 | 6:19/mi
10K· 6.21 mi
38:31
Rank: #1194 (+263)
5K → 10K
18:55 | 6:05/mi
15K· 9.32 mi
57:22
Rank: #1091 (+103)
10K → 15K
18:51 | 6:04/mi
20K· 12.43 mi
1:16:16
Rank: #1002 (+89)
15K → 20K
18:54 | 6:05/mi
Half· 13.11 mi
1:20:24
Rank: #997 (+5)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:35:08
Rank: #936 (+61)
Half → 25K
14:44 | 6:05/mi
30K· 18.64 mi
1:54:36
Rank: #887 (+49)
25K → 30K
19:28 | 6:16/mi
20M
2:03:06
Rank: #872 (+15)
30K → 20M
8:30 | 6:15/mi
21M
2:09:50
Rank: #871 (+1)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:14:29
Rank: #870 (+1)
21M → 35K
4:39 | 6:13/mi
23M
2:22:25
Rank: #864 (+6)
35K → 23M
7:56 | 6:20/mi
24M
2:28:43
Rank: #862 (+2)
23M → 24M
6:18 | 6:18/mi
40K· 24.85 mi
2:34:13
Rank: #854 (+8)
24M → 40K
5:30 | 6:26/mi
25.2M
2:36:35
Rank: #853 (+1)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:43:07
Rank: #863 (-10)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:24
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:22:43
Pace6:19 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5319:366:1919:36
6:19
-
10K
6.21 mi10:39:4838:316:1218:55
6:05
-0:14
15K
9.32 mi10:58:3957:226:0918:51
6:04
-0:01
20K
12.43 mi11:17:331:16:166:0818:54
6:05
+0:01
Half
13.11 mi11:21:411:20:246:084:08
6:03
-0:02
25K
15.53 mi11:36:251:35:086:0714:44
6:05
+0:02
30K
18.64 mi11:55:531:54:366:0919:28
6:16
+0:11
20M
20.00 mi12:04:232:03:066:098:30
6:15
-0:01
21M
21.00 mi12:11:072:09:506:116:44
6:44
+0:29
35K
21.75 mi12:15:462:14:296:114:39
6:13
-0:31
23M
23.00 mi12:23:422:22:256:127:56
6:20
+0:07
24M
24.00 mi12:30:002:28:436:126:18
6:18
-0:02
40K
24.85 mi12:35:302:34:136:125:30
6:26
+0:08
25.2M
25.20 mi12:37:522:36:356:132:22
6:52
+0:26
Finish
26.22 mi12:44:242:43:076:146:32
6:25
-0:27

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

6:03 /mi

Average Pace

6:14 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:01

94% of race

Time at Steady Pace

9:06

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:13 /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 mi10:20:5319:366:1919:36
6:19
#1457
10K
6.21 mi10:39:4838:316:1218:55
6:05
#1194
15K
9.32 mi10:58:3957:226:0918:51
6:04
#1091
20K
12.43 mi11:17:331:16:166:0818:54
6:05
#1002
Half
13.11 mi11:21:411:20:246:084:08
6:03
#997
25K
15.53 mi11:36:251:35:086:0714:44
6:05
#936
30K
18.64 mi11:55:531:54:366:0919:28
6:16
#887
20M
20.00 mi12:04:232:03:066:098:30
6:15
#872
21M
21.00 mi12:11:072:09:506:116:44
6:44
#871
35K
21.75 mi12:15:462:14:296:114:39
6:13
#870
23M
23.00 mi12:23:422:22:256:127:56
6:20
#864
24M
24.00 mi12:30:002:28:436:126:18
6:18
#862
40K
24.85 mi12:35:302:34:136:125:30
6:26
#854
25.2M
25.20 mi12:37:522:36:356:132:22
6:52
#853
Finish
26.22 mi12:44:242:43:076:146:32
6:25
#863
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi145713861386874(Top 3%)827(Top 5%)827(Top 37%)
10K6.21 mi3.10 mi1194+2631131+2551131+2551028(Top 4%)978(Top 6%)978(Top 43%)
15K9.32 mi3.11 mi1091+1031034+971034+97874(Top 3%)827(Top 5%)827(Top 37%)
20K12.43 mi3.11 mi1002+89951+83951+83746(Top 3%)704(Top 5%)704(Top 31%)
Half13.11 mi0.68 mi997+5947+4947+4915(Top 3%)872(Top 6%)872(Top 39%)
25K15.53 mi2.42 mi936+61888+59888+59693(Top 3%)652(Top 4%)652(Top 29%)
30K18.64 mi3.11 mi887+49839+49839+49823(Top 3%)783(Top 5%)783(Top 35%)
20M20.00 mi1.36 mi872+15825+14825+14767(Top 3%)727(Top 5%)727(Top 32%)
21M21.00 mi1.00 mi871+18258251189(Top 4%)1131(Top 7%)1131(Top 50%)
35K21.75 mi0.75 mi870+1824+1824+11271(Top 5%)1208(Top 8%)1208(Top 54%)
23M23.00 mi1.25 mi864+6818+6818+6913(Top 3%)868(Top 6%)868(Top 39%)
24M24.00 mi1.00 mi862+2816+2816+21331(Top 5%)1259(Top 8%)1259(Top 56%)
40K24.85 mi0.85 mi854+8808+8808+81297(Top 5%)1224(Top 8%)1224(Top 54%)
25.2M25.20 mi0.35 mi853+18088081299(Top 5%)1229(Top 8%)1229(Top 55%)
Finish26.22 mi1.02 mi863-10817-9817-92042(Top 8%)1897(Top 13%)1897(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

874

Males

827

M45-49

827

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1028

Males

978

M45-49

978

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

874

Males

827

M45-49

827

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

746

Males

704

M45-49

704

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

915

Males

872

M45-49

872

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

693

Males

652

M45-49

652

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

823

Males

783

M45-49

783

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

767

Males

727

M45-49

727

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1189

Males

1131

M45-49

1131

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1271

Males

1208

M45-49

1208

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

913

Males

868

M45-49

868

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1331

Males

1259

M45-49

1259

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1297

Males

1224

M45-49

1224

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1299

Males

1229

M45-49

1229

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2042

Males

1897

M45-49

1897

Passing Analysis

Category:
Athletes Passed
702
Passed By
108
Net Change
+594
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1457
5K → 10K2674+263#1457#1194
10K → 15K1063+103#1194#1091
15K → 20K901+89#1091#1002
20K → Half61+5#1002#997
Half → 25K632+61#997#936
25K → 30K589+49#936#887
30K → 20M216+15#887#872
20M → 21M1817+1#872#871
21M → 35K98+1#871#870
35K → 23M1913+6#870#864
23M → 24M108+2#864#862
24M → 40K157+8#862#854
40K → 25.2M65+1#854#853
25.2M → Finish1424-10#853#863
TOTALS702108+594
📊

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