Boston Marathon logo
BOSTON MARATHON 2023

Janek Oblikas

Bib: 15269 M EE

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
8:17/mi
25:45
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:57/mi
53:33
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:00/mi
1:21:32
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:05/mi
1:49:45
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:17/mi
1:56:05
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:03/mi
2:18:01
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:15/mi
2:46:44
↑ 181↓ 1480.2%
138 ft elev
20M
9:38/mi
2:59:50
↑ 64↓ 500.2%
148 ft elev
21M
10:51/mi
3:10:41
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:32/mi
3:17:49
↑ 17↓ 861.7%
156 ft elev
23M
10:25/mi
3:30:52
↑ 23↓ 630.6%
116 ft elev
24M
10:27/mi
3:41:19
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:48/mi
3:50:33
↓ 200.3%
20 ft elev
25.2M
12:17/mi
3:54:47
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:45/mi
4:04:43
↑ 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
1:56:058:51 /mi⚡ faster
2nd Half
2:08:389:49 /mi+10.8%
Positive split — 10.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:0625:458:1725:45
8:17
-
10K
6.21 mi11:24:5453:338:3727:48
8:57
+0:40
15K
9.32 mi11:52:531:21:328:4527:59
9:00
+0:03
20K
12.43 mi12:21:061:49:458:5028:13
9:05
+0:05
Half
13.11 mi12:27:261:56:058:516:20
9:17
+0:12
25K
15.53 mi12:49:222:18:018:5321:56
9:03
-0:14
30K
18.64 mi13:18:052:46:448:5728:43
9:15
+0:12
20M
20.00 mi13:31:112:59:508:5913:06
9:38
+0:23
21M
21.00 mi13:42:023:10:419:0510:51
10:51
+1:13
35K
21.75 mi13:49:103:17:499:067:08
9:32
-1:19
23M
23.00 mi14:02:133:30:529:1013:03
10:25
+0:53
24M
24.00 mi14:12:403:41:199:1310:27
10:27
+0:02
40K
24.85 mi14:21:543:50:339:179:14
10:48
+0:21
25.2M
25.20 mi14:26:083:54:479:194:14
12:17
+1:29
Finish
26.22 mi14:36:044:04:439:209:56
9:45
-2:32

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

8:17 /mi

Average Pace

9:20 /mi

Slowest Pace

12:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:21:32

33% of race

Time at Steady Pace

1:55:22

47% of race

Time at Slower Pace

47:49

20% of race

Average Pace: 9:20 /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 mi10:57:0625:458:1725:45
8:17
#16053
10K
6.21 mi11:24:5453:338:3727:48
8:57
#18620
15K
9.32 mi11:52:531:21:328:4527:59
9:00
#19324
20K
12.43 mi12:21:061:49:458:5028:13
9:05
#19487
Half
13.11 mi12:27:261:56:058:516:20
9:17
#19626
25K
15.53 mi12:49:222:18:018:5321:56
9:03
#19539
30K
18.64 mi13:18:052:46:448:5728:43
9:15
#19332
20M
20.00 mi13:31:112:59:508:5913:06
9:38
#19324
21M
21.00 mi13:42:023:10:419:0510:51
10:51
#19417
35K
21.75 mi13:49:103:17:499:067:08
9:32
#19444
23M
23.00 mi14:02:133:30:529:1013:03
10:25
#19596
24M
24.00 mi14:12:403:41:199:1310:27
10:27
#19751
40K
24.85 mi14:21:543:50:339:179:14
10:48
#19880
25.2M
25.20 mi14:26:083:54:479:194:14
12:17
#19966
Finish
26.22 mi14:36:044:04:439:209:56
9:45
#19999
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi160531071610716205301253312533
10K6.21 mi3.10 mi18620-256711707-99111707-991206691257212572
15K9.32 mi3.11 mi19324-70411972-26511972-265205301253312533
20K12.43 mi3.11 mi19487-16312047-7512047-75200491232512325
Half13.11 mi0.68 mi19626-13912107-6012107-60214071291112911
25K15.53 mi2.42 mi19539+8712073+3412073+34191861193111931
30K18.64 mi3.11 mi19332+20711977+9611977+96183701150311503
20M20.00 mi1.36 mi19324+811961+1611961+16193571184611846
21M21.00 mi1.00 mi19417-9311986-2511986-25204871227812278
35K21.75 mi0.75 mi19444-2711994-811994-8199431202412024
23M23.00 mi1.25 mi19596-15212056-6212056-62211211250212502
24M24.00 mi1.00 mi19751-15512106-5012106-50219021282412824
40K24.85 mi0.85 mi19880-12912149-4312149-43219231278612786
25.2M25.20 mi0.35 mi19966-8612176-2712176-27229151327313273
Finish26.22 mi1.02 mi19999-3312185-912185-9209541239712397

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

20530

Males

12533

M50-54

12533

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20669

Males

12572

M50-54

12572

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

20530

Males

12533

M50-54

12533

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

20049

Males

12325

M50-54

12325

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21407

Males

12911

M50-54

12911

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19186

Males

11931

M50-54

11931

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18370

Males

11503

M50-54

11503

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19357

Males

11846

M50-54

11846

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20487

Males

12278

M50-54

12278

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19943

Males

12024

M50-54

12024

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

21121

Males

12502

M50-54

12502

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21902

Males

12824

M50-54

12824

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21923

Males

12786

M50-54

12786

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22915

Males

13273

M50-54

13273

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

20954

Males

12397

M50-54

12397

Passing Analysis

Category:
Athletes Passed
872
Passed By
4818
Net Change
-3946
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16053
5K → 10K122579-2567#16053#18620
10K → 15K31735-704#18620#19324
15K → 20K107270-163#19324#19487
20K → Half5144-139#19487#19626
Half → 25K15568+87#19626#19539
25K → 30K27669+207#19539#19332
30K → 20M9183+8#19332#19324
20M → 21M54147-93#19324#19417
21M → 35K3158-27#19417#19444
35K → 23M38190-152#19444#19596
23M → 24M19174-155#19596#19751
24M → 40K20149-129#19751#19880
40K → 25.2M490-86#19880#19966
25.2M → Finish2962-33#19966#19999
TOTALS8724818-3946

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing