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BOSTON MARATHON 2023

James Kraunelis

MA

Bib: 26395 M

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
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
9:17/mi
28:49
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:34/mi
55:27
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:26/mi
1:24:45
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:39/mi
1:51:39
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:33/mi
1:57:29
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:58/mi
2:19:14
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:15/mi
2:47:57
↑ 181↓ 1480.2%
138 ft elev
20M
9:21/mi
3:00:40
↑ 64↓ 500.2%
148 ft elev
21M
9:39/mi
3:10:19
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:37/mi
3:16:46
↑ 17↓ 861.7%
156 ft elev
23M
9:25/mi
3:28:33
↑ 23↓ 630.6%
116 ft elev
24M
9:25/mi
3:37:58
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:26/mi
3:46:02
↓ 200.3%
20 ft elev
25.2M
9:49/mi
3:49:25
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:33/mi
3:58:08
↑ 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
1:57:298:58 /mi⚡ faster
2nd Half
2:00:399:12 /mi+2.7%
Positive split — 2.7% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3428:499:1728:49
9:17
-
10K
6.21 mi12:12:1255:278:5526:38
8:34
-0:43
15K
9.32 mi12:41:301:24:459:0629:18
9:26
+0:52
20K
12.43 mi13:08:241:51:398:5926:54
8:39
-0:47
Half
13.11 mi13:14:141:57:298:585:50
8:33
-0:06
25K
15.53 mi13:35:592:19:148:5821:45
8:58
+0:25
30K
18.64 mi14:04:422:47:579:0128:43
9:15
+0:17
20M
20.00 mi14:17:253:00:409:0212:43
9:21
+0:06
21M
21.00 mi14:27:043:10:199:049:39
9:39
+0:18
35K
21.75 mi14:33:313:16:469:036:27
8:37
-1:02
23M
23.00 mi14:45:183:28:339:0411:47
9:25
+0:48
24M
24.00 mi14:54:433:37:589:059:25
9:25
0:00
40K
24.85 mi15:02:473:46:029:068:04
9:26
+0:01
25.2M
25.20 mi15:06:103:49:259:063:23
9:49
+0:23
Finish
26.22 mi15:14:533:58:089:058:43
8:33
-1:16

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

8:33 /mi

Average Pace

9:05 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:32

70% of race

Time at Steady Pace

1:11:36

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:05 /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 mi11:45:3428:499:1728:49
9:17
#21447
10K
6.21 mi12:12:1255:278:5526:38
8:34
#20318
15K
9.32 mi12:41:301:24:459:0629:18
9:26
#21007
20K
12.43 mi13:08:241:51:398:5926:54
8:39
#20288
Half
13.11 mi13:14:141:57:298:585:50
8:33
#20179
25K
15.53 mi13:35:592:19:148:5821:45
8:58
#19951
30K
18.64 mi14:04:422:47:579:0128:43
9:15
#19631
20M
20.00 mi14:17:253:00:409:0212:43
9:21
#19518
21M
21.00 mi14:27:043:10:199:049:39
9:39
#19338
35K
21.75 mi14:33:313:16:469:036:27
8:37
#19235
23M
23.00 mi14:45:183:28:339:0411:47
9:25
#19150
24M
24.00 mi14:54:433:37:589:059:25
9:25
#19140
40K
24.85 mi15:02:473:46:029:068:04
9:26
#19113
25.2M
25.20 mi15:06:103:49:259:063:23
9:49
#19074
Finish
26.22 mi15:14:533:58:089:058:43
8:33
#18974
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi214471281812818220371320713207
10K6.21 mi3.10 mi20318+112912369+44912369+449186741177211772
15K9.32 mi3.11 mi21007-68912696-32712696-327220371320713207
20K12.43 mi3.11 mi20288+71912382+31412382+314178511140811408
Half13.11 mi0.68 mi20179+10912344+3812344+38179771149911499
25K15.53 mi2.42 mi19951+22812242+10212242+102188071177011770
30K18.64 mi3.11 mi19631+32012103+13912103+139183661149911499
20M20.00 mi1.36 mi19518+11312033+7012033+70182591135511355
21M21.00 mi1.00 mi19338+18011949+8411949+84166411064110641
35K21.75 mi0.75 mi19235+10311906+4311906+43159631028610286
23M23.00 mi1.25 mi19150+8511859+4711859+47179691110211102
24M24.00 mi1.00 mi19140+1011845+1411845+14189001149111491
40K24.85 mi0.85 mi19113+2711826+1911826+19180851108111081
25.2M25.20 mi0.35 mi19074+3911807+1911807+19165681038010380
Finish26.22 mi1.02 mi18974+10011755+5211755+52157291005810058

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

22037

Males

13207

M18-39

13207

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18674

Males

11772

M18-39

11772

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

22037

Males

13207

M18-39

13207

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17851

Males

11408

M18-39

11408

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

17977

Males

11499

M18-39

11499

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18807

Males

11770

M18-39

11770

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18366

Males

11499

M18-39

11499

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

18259

Males

11355

M18-39

11355

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16641

Males

10641

M18-39

10641

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

15963

Males

10286

M18-39

10286

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17969

Males

11102

M18-39

11102

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18900

Males

11491

M18-39

11491

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18085

Males

11081

M18-39

11081

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16568

Males

10380

M18-39

10380

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15729

Males

10058

M18-39

10058

Passing Analysis

Category:
Athletes Passed
3471
Passed By
998
Net Change
+2473
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21447
5K → 10K115728+1129#21447#20318
10K → 15K32721-689#20318#21007
15K → 20K7234+719#21007#20288
20K → Half1101+109#20288#20179
Half → 25K25729+228#20179#19951
25K → 30K35838+320#19951#19631
30K → 20M14431+113#19631#19518
20M → 21M19010+180#19518#19338
21M → 35K1052+103#19338#19235
35K → 23M11833+85#19235#19150
23M → 24M6252+10#19150#19140
24M → 40K6538+27#19140#19113
40K → 25.2M445+39#19113#19074
25.2M → Finish1066+100#19074#18974
TOTALS3471998+2473

Passing Charts

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