Boston Marathon logo
BOSTON MARATHON 2023

Jason Jones

Bib: 5102•M

FL

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 22%
Division (M18-39)
#0 / 5285
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:56
Rank: #3997
Start → 5K
20:56 | 6:44/mi
10K· 6.21 mi
41:37
Rank: #3951 (+46)
5K → 10K
20:41 | 6:39/mi
15K· 9.32 mi
1:02:30
Rank: #4065 (-114)
10K → 15K
20:53 | 6:43/mi
20K· 12.43 mi
1:23:25
Rank: #3986 (+79)
15K → 20K
20:55 | 6:44/mi
Half· 13.11 mi
1:28:02
Rank: #4028 (-42)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:44:33
Rank: #4055 (-27)
Half → 25K
16:31 | 6:49/mi
30K· 18.64 mi
2:06:22
Rank: #4107 (-52)
25K → 30K
21:49 | 7:01/mi
20M
2:15:56
Rank: #4118 (-11)
30K → 20M
9:34 | 7:02/mi
21M
2:23:25
Rank: #4134 (-16)
20M → 21M
7:29 | 7:29/mi
35K· 21.75 mi
2:28:17
Rank: #4035 (+99)
21M → 35K
4:52 | 6:30/mi
23M
2:36:50
Rank: #3913 (+122)
35K → 23M
8:33 | 6:50/mi
24M
2:43:27
Rank: #3822 (+91)
23M → 24M
6:37 | 6:37/mi
40K· 24.85 mi
2:49:11
Rank: #3714 (+108)
24M → 40K
5:44 | 6:42/mi
25.2M
2:51:46
Rank: #3724 (-10)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:58:21
Rank: #3604 (+120)
25.2M → Finish
6:35 | 6:28/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:02
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:30:19
Pace6:53 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5820:566:4420:56
6:44
-
10K
6.21 mi10:44:3941:376:4220:41
6:39
-0:05
15K
9.32 mi11:05:321:02:306:4220:53
6:43
+0:04
20K
12.43 mi11:26:271:23:256:4320:55
6:44
+0:01
Half
13.11 mi11:31:041:28:026:434:37
6:46
+0:02
25K
15.53 mi11:47:351:44:336:4416:31
6:49
+0:03
30K
18.64 mi12:09:242:06:226:4721:49
7:01
+0:12
20M
20.00 mi12:18:582:15:566:489:34
7:02
+0:01
21M
21.00 mi12:26:272:23:256:507:29
7:29
+0:27
35K
21.75 mi12:31:192:28:176:494:52
6:30
-0:59
23M
23.00 mi12:39:522:36:506:498:33
6:50
+0:20
24M
24.00 mi12:46:292:43:276:496:37
6:37
-0:13
40K
24.85 mi12:52:132:49:116:485:44
6:42
+0:05
25.2M
25.20 mi12:54:482:51:466:492:35
7:29
+0:47
Finish
26.22 mi13:01:232:58:216:486:35
6:28
-1:01

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

6:28 /mi

Average Pace

6:48 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:17

94% of race

Time at Steady Pace

10:04

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /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 mi10:23:5820:566:4420:56
6:44
#3997
10K
6.21 mi10:44:3941:376:4220:41
6:39
#3951
15K
9.32 mi11:05:321:02:306:4220:53
6:43
#4065
20K
12.43 mi11:26:271:23:256:4320:55
6:44
#3986
Half
13.11 mi11:31:041:28:026:434:37
6:46
#4028
25K
15.53 mi11:47:351:44:336:4416:31
6:49
#4055
30K
18.64 mi12:09:242:06:226:4721:49
7:01
#4107
20M
20.00 mi12:18:582:15:566:489:34
7:02
#4118
21M
21.00 mi12:26:272:23:256:507:29
7:29
#4134
35K
21.75 mi12:31:192:28:176:494:52
6:30
#4035
23M
23.00 mi12:39:522:36:506:498:33
6:50
#3913
24M
24.00 mi12:46:292:43:276:496:37
6:37
#3822
40K
24.85 mi12:52:132:49:116:485:44
6:42
#3714
25.2M
25.20 mi12:54:482:51:466:492:35
7:29
#3724
Finish
26.22 mi13:01:232:58:216:486:35
6:28
#3604
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3997375037504329(Top 16%)4054(Top 27%)4054(Top 77%)
10K6.21 mi3.10 mi3951+463720+303720+303941(Top 15%)3711(Top 24%)3711(Top 70%)
15K9.32 mi3.11 mi4065-1143821-1013821-1014329(Top 16%)4054(Top 27%)4054(Top 77%)
20K12.43 mi3.11 mi3986+793751+703751+703819(Top 14%)3601(Top 24%)3601(Top 68%)
Half13.11 mi0.68 mi4028-423784-333784-334893(Top 18%)4525(Top 30%)4525(Top 86%)
25K15.53 mi2.42 mi4055-273810-263810-264242(Top 16%)3967(Top 26%)3967(Top 75%)
30K18.64 mi3.11 mi4107-523860-503860-504489(Top 17%)4157(Top 27%)4157(Top 79%)
20M20.00 mi1.36 mi4118-113868-83868-84248(Top 16%)3919(Top 26%)3919(Top 74%)
21M21.00 mi1.00 mi4134-163875-73875-74472(Top 17%)4074(Top 27%)4074(Top 77%)
35K21.75 mi0.75 mi4035+993786+893786+892471(Top 9%)2343(Top 15%)2343(Top 44%)
23M23.00 mi1.25 mi3913+1223676+1103676+1102831(Top 11%)2647(Top 17%)2647(Top 50%)
24M24.00 mi1.00 mi3822+913592+843592+842664(Top 10%)2482(Top 16%)2482(Top 47%)
40K24.85 mi0.85 mi3714+1083491+1013491+1012387(Top 9%)2217(Top 15%)2217(Top 42%)
25.2M25.20 mi0.35 mi3724-103499-83499-83814(Top 14%)3404(Top 22%)3404(Top 64%)
Finish26.22 mi1.02 mi3604+1203390+1093390+1092308(Top 9%)2136(Top 14%)2136(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4329

Males

4054

M18-39

4054

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3941

Males

3711

M18-39

3711

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4329

Males

4054

M18-39

4054

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3819

Males

3601

M18-39

3601

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4893

Males

4525

M18-39

4525

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4242

Males

3967

M18-39

3967

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4489

Males

4157

M18-39

4157

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4248

Males

3919

M18-39

3919

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4472

Males

4074

M18-39

4074

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2471

Males

2343

M18-39

2343

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2831

Males

2647

M18-39

2647

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2664

Males

2482

M18-39

2482

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2387

Males

2217

M18-39

2217

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3814

Males

3404

M18-39

3404

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2308

Males

2136

M18-39

2136

Passing Analysis

Category:
Athletes Passed
1370
Passed By
977
Net Change
+393
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3997
5K → 10K253207+46#3997#3951
10K → 15K73187-114#3951#4065
15K → 20K15172+79#4065#3986
20K → Half951-42#3986#4028
Half → 25K6895-27#4028#4055
25K → 30K101153-52#4055#4107
30K → 20M5263-11#4107#4118
20M → 21M6783-16#4118#4134
21M → 35K1023+99#4134#4035
35K → 23M13210+122#4035#3913
23M → 24M1009+91#3913#3822
24M → 40K1146+108#3822#3714
40K → 25.2M1727-10#3714#3724
25.2M → Finish13111+120#3724#3604
TOTALS1370977+393
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing