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BOSTON MARATHON 2023

Jay Nunn

Bib: 9590•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 34%
Masters (Masters Men)
#0 / 9891
Top 19%
Division (M40-44)
#0 / 2241
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:13/mi
22:25
↑ 97↓ 3451.5%
10K· 6.21 mi
7:02/mi
44:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:03/mi
1:06:11
↑ 67↓ 78
20K· 12.43 mi
7:08/mi
1:28:20
↑ 106↓ 860.1%
Half· 13.11 mi
6:59/mi
1:33:06
↑ 19↓ 370.5%
25K· 15.53 mi
7:09/mi
1:50:25
↑ 66↓ 880.2%
30K· 18.64 mi
7:18/mi
2:13:07
↑ 181↓ 1480.2%
20M
7:24/mi
2:23:11
↑ 64↓ 500.2%
21M
7:43/mi
2:30:54
↑ 106↓ 241.6%
35K· 21.75 mi
6:41/mi
2:35:54
↑ 17↓ 861.7%
23M
6:53/mi
2:44:31
↑ 23↓ 630.6%
24M
6:51/mi
2:51:22
↓ 821.3%
40K· 24.85 mi
6:53/mi
2:57:15
↓ 200.3%
25.2M
7:24/mi
2:59:48
↑ 13↓ 160.2%
Finish· 26.22 mi
6:44/mi
3:06:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:33:06
Pace7:06 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:33:34
Pace7:08 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1222:257:1322:25
7:13
-
10K
6.21 mi11:10:0444:177:0821:52
7:02
-0:11
15K
9.32 mi11:31:581:06:117:0621:54
7:03
+0:01
20K
12.43 mi11:54:071:28:207:0622:09
7:08
+0:05
Half
13.11 mi11:58:531:33:067:064:46
6:59
-0:09
25K
15.53 mi12:16:121:50:257:0617:19
7:09
+0:10
30K
18.64 mi12:38:542:13:077:0822:42
7:18
+0:09
20M
20.00 mi12:48:582:23:117:1010:04
7:24
+0:06
21M
21.00 mi12:56:412:30:547:117:43
7:43
+0:19
35K
21.75 mi13:01:412:35:547:105:00
6:41
-1:02
23M
23.00 mi13:10:182:44:317:098:37
6:53
+0:12
24M
24.00 mi13:17:092:51:227:086:51
6:51
-0:02
40K
24.85 mi13:23:022:57:157:085:53
6:53
+0:02
25.2M
25.20 mi13:25:352:59:487:082:33
7:24
+0:31
Finish
26.22 mi13:32:273:06:407:076:52
6:44
-0:40

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

6:41 /mi

Average Pace

7:07 /mi

Slowest Pace

7:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:20

89% of race

Time at Steady Pace

20:20

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:07 /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 mi10:48:1222:257:1322:25
7:13
#7607
10K
6.21 mi11:10:0444:177:0821:52
7:02
#7285
15K
9.32 mi11:31:581:06:117:0621:54
7:03
#7115
20K
12.43 mi11:54:071:28:207:0622:09
7:08
#6990
Half
13.11 mi11:58:531:33:067:064:46
6:59
#6952
25K
15.53 mi12:16:121:50:257:0617:19
7:09
#6813
30K
18.64 mi12:38:542:13:077:0822:42
7:18
#6628
20M
20.00 mi12:48:582:23:117:1010:04
7:24
#6571
21M
21.00 mi12:56:412:30:547:117:43
7:43
#6501
35K
21.75 mi13:01:412:35:547:105:00
6:41
#6362
23M
23.00 mi13:10:182:44:317:098:37
6:53
#6125
24M
24.00 mi13:17:092:51:227:086:51
6:51
#5973
40K
24.85 mi13:23:022:57:157:085:53
6:53
#5820
25.2M
25.20 mi13:25:352:59:487:082:33
7:24
#5760
Finish
26.22 mi13:32:273:06:407:076:52
6:44
#5623
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7607672067206866(Top 26%)6139(Top 40%)6139(Top 274%)
10K6.21 mi3.10 mi7285+3226469+2516469+2517079(Top 27%)6294(Top 41%)6294(Top 281%)
15K9.32 mi3.11 mi7115+1706338+1316338+1316866(Top 26%)6139(Top 40%)6139(Top 274%)
20K12.43 mi3.11 mi6990+1256243+956243+956723(Top 25%)6002(Top 40%)6002(Top 268%)
Half13.11 mi0.68 mi6952+386212+316212+316530(Top 25%)5871(Top 39%)5871(Top 262%)
25K15.53 mi2.42 mi6813+1396094+1186094+1186367(Top 24%)5694(Top 38%)5694(Top 254%)
30K18.64 mi3.11 mi6628+1855936+1585936+1586071(Top 23%)5412(Top 36%)5412(Top 241%)
20M20.00 mi1.36 mi6571+575880+565880+566261(Top 24%)5477(Top 36%)5477(Top 244%)
21M21.00 mi1.00 mi6501+705811+695811+695756(Top 22%)5009(Top 33%)5009(Top 224%)
35K21.75 mi0.75 mi6362+1395710+1015710+1013537(Top 13%)3272(Top 22%)3272(Top 146%)
23M23.00 mi1.25 mi6125+2375517+1935517+1933157(Top 12%)2934(Top 19%)2934(Top 131%)
24M24.00 mi1.00 mi5973+1525388+1295388+1293968(Top 15%)3619(Top 24%)3619(Top 161%)
40K24.85 mi0.85 mi5820+1535261+1275261+1273279(Top 12%)2995(Top 20%)2995(Top 134%)
25.2M25.20 mi0.35 mi5760+605207+545207+543507(Top 13%)3139(Top 21%)3139(Top 140%)
Finish26.22 mi1.02 mi5623+1375091+1165091+1163775(Top 14%)3349(Top 22%)3349(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

6866

Males

6139

M40-44

6139

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7079

Males

6294

M40-44

6294

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

6866

Males

6139

M40-44

6139

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6723

Males

6002

M40-44

6002

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6530

Males

5871

M40-44

5871

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6367

Males

5694

M40-44

5694

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6071

Males

5412

M40-44

5412

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6261

Males

5477

M40-44

5477

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

5756

Males

5009

M40-44

5009

21M→35K

21.0 - 21.8 mi

Top 13%
×7story building
+17ft-86ft

Overall

3537

Males

3272

M40-44

3272

35K→23M

21.8 - 23.0 mi

Top 12%
×5story building
+23ft-63ft

Overall

3157

Males

2934

M40-44

2934

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

3968

Males

3619

M40-44

3619

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3279

Males

2995

M40-44

2995

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3507

Males

3139

M40-44

3139

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2story building
+22ft-21ft

Overall

3775

Males

3349

M40-44

3349

Passing Analysis

Category:
Athletes Passed
2287
Passed By
303
Net Change
+1984
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7607
5K → 10K40785+322#7607#7285
10K → 15K23666+170#7285#7115
15K → 20K16035+125#7115#6990
20K → Half413+38#6990#6952
Half → 25K15617+139#6952#6813
25K → 30K21025+185#6813#6628
30K → 20M8831+57#6628#6571
20M → 21M9626+70#6571#6501
21M → 35K1401+139#6501#6362
35K → 23M2381+237#6362#6125
23M → 24M1531+152#6125#5973
24M → 40K1563+153#5973#5820
40K → 25.2M600+60#5820#5760
25.2M → Finish1469+137#5760#5623
TOTALS2287303+1984
📊

Passing Visuals

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