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BOSTON MARATHON 2023

Jeffrey Basting

MD

Bib: 8004 M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Division (M18-39)
#0 / 5285
Top 38%
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
5K· 3.11 mi
6:20/mi
19:41
↑ 97↓ 345
10K· 6.21 mi
6:32/mi
40:00
↑ 79↓ 138
15K· 9.32 mi
6:41/mi
1:00:45
↑ 67↓ 78
20K· 12.43 mi
6:42/mi
1:21:34
↑ 106↓ 86
Half· 13.11 mi
6:37/mi
1:26:05
↑ 19↓ 37
25K· 15.53 mi
6:45/mi
1:42:26
↑ 66↓ 88
30K· 18.64 mi
6:48/mi
2:03:35
↑ 181↓ 148
20M
6:55/mi
2:12:59
↑ 64↓ 50
21M
7:20/mi
2:20:19
↑ 106↓ 24
35K· 21.75 mi
6:32/mi
2:25:12
↑ 17↓ 86
23M
6:50/mi
2:33:45
↑ 23↓ 63
24M
6:35/mi
2:40:20
↓ 82
40K· 24.85 mi
6:42/mi
2:46:04
↓ 20
25.2M
7:27/mi
2:48:38
↑ 13↓ 16
Finish· 26.22 mi
6:38/mi
2:55:24
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:26:056:34 /mi⚡ faster
2nd Half
1:29:196:49 /mi+3.8%
Positive split — 3.8% 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
19:416:203.11 mi19:41
6:20
-
10K
40:006:263.10 mi20:19
6:32
+0:12
15K
1:00:456:313.11 mi20:45
6:41
+0:09
20K
1:21:346:343.11 mi20:49
6:42
+0:01
Half(13.11 mi)
1:26:056:340.68 mi4:31
6:37
-0:05
25K
1:42:266:362.42 mi16:21
6:45
+0:08
30K
2:03:356:383.11 mi21:09
6:48
+0:03
20M
2:12:596:391.36 mi9:24
6:55
+0:07
21M
2:20:196:411.00 mi7:20
7:20
+0:25
35K
2:25:126:410.75 mi4:53
6:32
-0:48
23M
2:33:456:411.25 mi8:33
6:50
+0:18
24M
2:40:206:411.00 mi6:35
6:35
-0:15
40K
2:46:046:410.85 mi5:44
6:42
+0:07
25.2M
2:48:386:420.35 mi2:34
7:27
+0:45
Finish(26.22 mi)
2:55:246:421.02 mi6:46
6:38
-0:49
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:20 /mi

Average Pace

6:42 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:45:30

94% of race

Time at Steady Pace

9:54

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi158015051505390336673667
10K3.10 mi2174-5942082-5772082-577303428952895
15K3.11 mi2634-4602515-4332515-433390336673667
20K3.11 mi2824-1902697-1822697-182356533723372
Half(13.11 mi)0.68 mi2859-352730-332730-33352433323332
25K2.42 mi2947-882815-852815-85367134563456
30K3.11 mi2909+382782+332782+33302428572857
20M1.36 mi2932-232801-192801-19350332683268
21M1.00 mi2965-332826-252826-25375434773477
35K0.75 mi2925+402786+402786+40256724262426
23M1.25 mi2878+472738+482738+48280326192619
24M1.00 mi2843+352703+352703+35246523012301
40K0.85 mi2790+532652+512652+51236721972197
25.2M0.35 mi2791-126522652356631943194
Finish(26.22 mi)1.02 mi2795-42654-22654-2318028572857

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

3903

Males

3667

M18-39

3667

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

3034

Males

2895

M18-39

2895

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

3903

Males

3667

M18-39

3667

15K→20K

9.3 - 12.4 mi

Top 13%
×5story building
+106ft-86ft

Overall

3565

Males

3372

M18-39

3372

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3524

Males

3332

M18-39

3332

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3671

Males

3456

M18-39

3456

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

3024

Males

2857

M18-39

2857

30K→20M

18.6 - 20.0 mi

Top 13%
×5story building
+64ft-50ft

Overall

3503

Males

3268

M18-39

3268

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3754

Males

3477

M18-39

3477

21M→35K

21.0 - 21.8 mi

Top 10%
×7story building
+17ft-86ft

Overall

2567

Males

2426

M18-39

2426

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

2803

Males

2619

M18-39

2619

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2465

Males

2301

M18-39

2301

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2367

Males

2197

M18-39

2197

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3566

Males

3194

M18-39

3194

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2story building
+22ft-21ft

Overall

3180

Males

2857

M18-39

2857

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#1580
5K → 10K
5973-594
#1580 → #2174
10K → 15K
4633-460
#2174 → #2634
15K → 20K
21727-190
#2634 → #2824
20K → Half
427-35
#2824 → #2859
Half → 25K
12436-88
#2859 → #2947
25K → 30K
5896+38
#2947 → #2909
30K → 20M
5532-23
#2909 → #2932
20M → 21M
6330-33
#2932 → #2965
21M → 35K
1353+40
#2965 → #2925
35K → 23M
3077+47
#2925 → #2878
23M → 24M
2156+35
#2878 → #2843
24M → 40K
1063+53
#2843 → #2790
40K → 25.2M
1716-1
#2790 → #2791
25.2M → Finish
3733-4
#2791 → #2795
TOTALS
1747532-1215
#1580 → #2795

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