Boston Marathon logo
BOSTON MARATHON 2023

Jimmy Shultz

Bib: 3274•M

TN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:19
Rank: #2501
Start → 5K
20:19 | 6:32/mi
10K· 6.21 mi
41:04
Rank: #3235 (-734)
5K → 10K
20:45 | 6:41/mi
15K· 9.32 mi
1:01:06
Rank: #2863 (+372)
10K → 15K
20:02 | 6:27/mi
20K· 12.43 mi
1:21:26
Rank: #2756 (+107)
15K → 20K
20:20 | 6:33/mi
Half· 13.11 mi
1:25:51
Rank: #2742 (+14)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:41:51
Rank: #2722 (+20)
Half → 25K
16:00 | 6:36/mi
30K· 18.64 mi
2:02:59
Rank: #2738 (-16)
25K → 30K
21:08 | 6:48/mi
20M
2:13:12
Rank: #3001 (-263)
30K → 20M
10:13 | 7:31/mi
21M
2:21:20
Rank: #3302 (-301)
20M → 21M
8:08 | 8:08/mi
35K· 21.75 mi
2:27:33
Rank: #3730 (-428)
21M → 35K
6:13 | 8:19/mi
23M
2:38:16
Rank: #4464 (-734)
35K → 23M
10:43 | 8:34/mi
24M
2:46:53
Rank: #4879 (-415)
23M → 24M
8:37 | 8:37/mi
40K· 24.85 mi
2:54:18
Rank: #5129 (-250)
24M → 40K
7:25 | 8:40/mi
25.2M
2:57:25
Rank: #5202 (-73)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:05:26
Rank: #5345 (-143)
25.2M → Finish
8:01 | 7:52/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
Time1:25:51
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:39:35
Pace7:36 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3720:196:3220:19
6:32
-
10K
6.21 mi10:42:2241:046:3720:45
6:41
+0:09
15K
9.32 mi11:02:241:01:066:3320:02
6:27
-0:14
20K
12.43 mi11:22:441:21:266:3320:20
6:33
+0:06
Half
13.11 mi11:27:091:25:516:334:25
6:28
-0:05
25K
15.53 mi11:43:091:41:516:3316:00
6:36
+0:08
30K
18.64 mi12:04:172:02:596:3621:08
6:48
+0:12
20M
20.00 mi12:14:302:13:126:4010:13
7:31
+0:43
21M
21.00 mi12:22:382:21:206:448:08
8:08
+0:37
35K
21.75 mi12:28:512:27:336:476:13
8:19
+0:11
23M
23.00 mi12:39:342:38:166:5310:43
8:34
+0:15
24M
24.00 mi12:48:112:46:536:578:37
8:37
+0:03
40K
24.85 mi12:55:362:54:187:017:25
8:40
+0:03
25.2M
25.20 mi12:58:432:57:257:023:07
9:02
+0:22
Finish
26.22 mi13:06:443:05:267:058:01
7:52
-1:10

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

6:27 /mi

Average Pace

7:05 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:59

66% of race

Time at Steady Pace

18:14

10% of race

Time at Slower Pace

44:13

24% of race

Average Pace: 7:04 /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 mi10:21:3720:196:3220:19
6:32
#2501
10K
6.21 mi10:42:2241:046:3720:45
6:41
#3235
15K
9.32 mi11:02:241:01:066:3320:02
6:27
#2863
20K
12.43 mi11:22:441:21:266:3320:20
6:33
#2756
Half
13.11 mi11:27:091:25:516:334:25
6:28
#2742
25K
15.53 mi11:43:091:41:516:3316:00
6:36
#2722
30K
18.64 mi12:04:172:02:596:3621:08
6:48
#2738
20M
20.00 mi12:14:302:13:126:4010:13
7:31
#3001
21M
21.00 mi12:22:382:21:206:448:08
8:08
#3302
35K
21.75 mi12:28:512:27:336:476:13
8:19
#3730
23M
23.00 mi12:39:342:38:166:5310:43
8:34
#4464
24M
24.00 mi12:48:112:46:536:578:37
8:37
#4879
40K
24.85 mi12:55:362:54:187:017:25
8:40
#5129
25.2M
25.20 mi12:58:432:57:257:023:07
9:02
#5202
Finish
26.22 mi13:06:443:05:267:058:01
7:52
#5345
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2501238723872359(Top 9%)2265(Top 15%)2265(Top 43%)
10K6.21 mi3.10 mi3235-7343068-6813068-6814160(Top 16%)3904(Top 26%)3904(Top 74%)
15K9.32 mi3.11 mi2863+3722734+3342734+3342359(Top 9%)2265(Top 15%)2265(Top 43%)
20K12.43 mi3.11 mi2756+1072634+1002634+1002550(Top 10%)2442(Top 16%)2442(Top 46%)
Half13.11 mi0.68 mi2742+142621+132621+132694(Top 10%)2588(Top 17%)2588(Top 49%)
25K15.53 mi2.42 mi2722+202599+222599+222725(Top 10%)2609(Top 17%)2609(Top 49%)
30K18.64 mi3.11 mi2738-162617-182617-183010(Top 11%)2848(Top 19%)2848(Top 54%)
20M20.00 mi1.36 mi3001-2632861-2442861-2446865(Top 26%)5874(Top 39%)5874(Top 111%)
21M21.00 mi1.00 mi3302-3013129-2683129-2688162(Top 31%)6560(Top 43%)6560(Top 124%)
35K21.75 mi0.75 mi3730-4283517-3883517-38814091(Top 53%)9446(Top 62%)9446(Top 179%)
23M23.00 mi1.25 mi4464-7344164-6474164-64713546(Top 51%)9154(Top 60%)9154(Top 173%)
24M24.00 mi1.00 mi4879-4154515-3514515-35115118(Top 57%)9790(Top 65%)9790(Top 185%)
40K24.85 mi0.85 mi5129-2504710-1954710-19514327(Top 54%)9369(Top 62%)9369(Top 177%)
25.2M25.20 mi0.35 mi5202-734766-564766-5612632(Top 47%)8545(Top 56%)8545(Top 162%)
Finish26.22 mi1.02 mi5345-1434879-1134879-11311102(Top 42%)7826(Top 52%)7826(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2359

Males

2265

M18-39

2265

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4160

Males

3904

M18-39

3904

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2359

Males

2265

M18-39

2265

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2550

Males

2442

M18-39

2442

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2694

Males

2588

M18-39

2588

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2725

Males

2609

M18-39

2609

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3010

Males

2848

M18-39

2848

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6865

Males

5874

M18-39

5874

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8162

Males

6560

M18-39

6560

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14091

Males

9446

M18-39

9446

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13546

Males

9154

M18-39

9154

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

15118

Males

9790

M18-39

9790

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14327

Males

9369

M18-39

9369

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12632

Males

8545

M18-39

8545

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11102

Males

7826

M18-39

7826

Passing Analysis

Category:
Athletes Passed
726
Passed By
3570
Net Change
-2844
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2501
5K → 10K11745-734#2501#3235
10K → 15K3819+372#3235#2863
15K → 20K13124+107#2863#2756
20K → Half2511+14#2756#2742
Half → 25K5838+20#2742#2722
25K → 30K6985-16#2722#2738
30K → 20M6269-263#2738#3001
20M → 21M5306-301#3001#3302
21M → 35K3431-428#3302#3730
35K → 23M6740-734#3730#4464
23M → 24M3418-415#4464#4879
24M → 40K6256-250#4879#5129
40K → 25.2M578-73#5129#5202
25.2M → Finish17160-143#5202#5345
TOTALS7263570-2844
📊

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