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BOSTON MARATHON 2023

John Reid

MA

Bib: 29961 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:41/mi
33:13
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
11:04/mi
1:07:37
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
11:26/mi
1:43:07
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
13:24/mi
2:24:45
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
12:39/mi
2:33:23
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
15:03/mi
3:09:53
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
14:53/mi
3:56:07
↑ 181↓ 1480.2%
138 ft elev
20M
14:38/mi
4:16:00
↑ 64↓ 500.2%
148 ft elev
21M
15:26/mi
4:31:26
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
14:10/mi
4:42:02
↑ 17↓ 861.7%
156 ft elev
23M
14:00/mi
4:59:34
↑ 23↓ 630.6%
116 ft elev
24M
13:07/mi
5:12:41
↓ 821.3%
34 ft elev
40K· 24.85 mi
14:27/mi
5:25:02
↓ 200.3%
20 ft elev
25.2M
14:27/mi
5:30:01
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:27/mi
5:41:41
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:33:2311:42 /mi⚡ faster
2nd Half
3:08:1814:22 /mi+22.8%
Positive split — 22.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
33:1310:413.11 mi33:13
10:41
-
10K
1:07:3710:533.10 mi34:24
11:04
+0:23
15K
1:43:0711:043.11 mi35:30
11:26
+0:22
20K
2:24:4511:393.11 mi41:38
13:24
+1:58
Half(13.11 mi)
2:33:2311:420.68 mi8:38
12:39
-0:45
25K
3:09:5312:132.42 mi36:30
15:03
+2:24
30K
3:56:0712:403.11 mi46:14
14:53
-0:10
20M
4:16:0012:481.36 mi19:53
14:38
-0:15
21M
4:31:2612:561.00 mi15:26
15:26
+0:48
35K
4:42:0212:580.75 mi10:36
14:10
-1:16
23M
4:59:3413:011.25 mi17:32
14:00
-0:10
24M
5:12:4113:021.00 mi13:07
13:07
-0:53
40K
5:25:0213:050.85 mi12:21
14:27
+1:20
25.2M
5:30:0113:060.35 mi4:59
14:27
0:00
Finish(26.22 mi)
5:41:4113:021.02 mi11:40
11:27
-3:00
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:41 /mi

Average Pace

13:02 /mi

Slowest Pace

15:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:16:32

40% of race

Time at Steady Pace

1:46:59

31% of race

Time at Slower Pace

1:38:10

29% of race

Average Pace: 13:02 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi251601461814618256431479014790
10K3.10 mi25422-26214718-10014718-100255401475614756
15K3.11 mi25531-10914756-3814756-38256431479014790
20K3.11 mi25916-38514912-15614912-156263881507615076
Half(13.11 mi)0.68 mi25937-2114917-514917-5262281500515005
25K2.42 mi26155-21814993-7614993-76265571514715147
30K3.11 mi26230-7515021-2815021-28263831505615056
20M1.36 mi26225+515013+815013+8261641493414934
21M1.00 mi26223+215008+515008+5259741485414854
35K0.75 mi26234-1115007+115007+1261861494414944
23M1.25 mi26228+615001+615001+6258271474914749
24M1.00 mi26219+914996+514996+5255621458214582
40K0.85 mi26213+614992+414992+4259231476314763
25.2M0.35 mi26211+214993-114993-1253641448414484
Finish(26.22 mi)1.02 mi26167+4414974+1914974+19246211413214132

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25643

Males

14790

M40-44

14790

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25540

Males

14756

M40-44

14756

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25643

Males

14790

M40-44

14790

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

26388

Males

15076

M40-44

15076

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

26228

Males

15005

M40-44

15005

Half→25K

13.1 - 15.5 mi

Top 100%
×4story building
+66ft-88ft

Overall

26557

Males

15147

M40-44

15147

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26383

Males

15056

M40-44

15056

30K→20M

18.6 - 20.0 mi

Top 98%
×5story building
+64ft-50ft

Overall

26164

Males

14934

M40-44

14934

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

25974

Males

14854

M40-44

14854

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

26186

Males

14944

M40-44

14944

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

25827

Males

14749

M40-44

14749

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

25562

Males

14582

M40-44

14582

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25923

Males

14763

M40-44

14763

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25364

Males

14484

M40-44

14484

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

24621

Males

14132

M40-44

14132

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#25160
5K → 10K
34280-262
#25160 → #25422
10K → 15K
17061-109
#25422 → #25531
15K → 20K
3883-385
#25531 → #25916
20K → Half
254-21
#25916 → #25937
Half → 25K
2191-218
#25937 → #26155
25K → 30K
9419-75
#26155 → #26230
30K → 20M
1823+5
#26230 → #26225
20M → 21M
1315+2
#26225 → #26223
21M → 35K
2110-11
#26223 → #26234
35K → 23M
1016+6
#26234 → #26228
23M → 24M
817+9
#26228 → #26219
24M → 40K
39+6
#26219 → #26213
40K → 25.2M
24+2
#26213 → #26211
25.2M → Finish
145+44
#26211 → #26167
TOTALS
1314307-1007
#25160 → #26167

Passing Visualized

Category:
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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