Boston Marathon logo
BOSTON MARATHON 2023

Chris Shultz

Bib: 5126•M

VA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 29%
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
21:34
Rank: #5866
Start → 5K
21:34 | 6:56/mi
10K· 6.21 mi
42:46
Rank: #5678 (+188)
5K → 10K
21:12 | 6:49/mi
15K· 9.32 mi
1:03:40
Rank: #5271 (+407)
10K → 15K
20:54 | 6:44/mi
20K· 12.43 mi
1:24:39
Rank: #4945 (+326)
15K → 20K
20:59 | 6:45/mi
Half· 13.11 mi
1:29:10
Rank: #4878 (+67)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:45:27
Rank: #4573 (+305)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
2:06:54
Rank: #4370 (+203)
25K → 30K
21:27 | 6:54/mi
20M
2:16:31
Rank: #4383 (-13)
30K → 20M
9:37 | 7:05/mi
21M
2:24:05
Rank: #4415 (-32)
20M → 21M
7:34 | 7:34/mi
35K· 21.75 mi
2:29:13
Rank: #4410 (+5)
21M → 35K
5:08 | 6:52/mi
23M
2:38:21
Rank: #4491 (-81)
35K → 23M
9:08 | 7:18/mi
24M
2:45:36
Rank: #4555 (-64)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
2:52:11
Rank: #4653 (-98)
24M → 40K
6:35 | 7:42/mi
25.2M
2:55:04
Rank: #4679 (-26)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:02:50
Rank: #4790 (-111)
25.2M → Finish
7:46 | 7:37/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
Time1:29:10
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:33:40
Pace7:09 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2921:346:5621:34
6:56
-
10K
6.21 mi10:45:4142:466:5321:12
6:49
-0:07
15K
9.32 mi11:06:351:03:406:5020:54
6:44
-0:05
20K
12.43 mi11:27:341:24:396:4920:59
6:45
+0:01
Half
13.11 mi11:32:051:29:106:484:31
6:37
-0:08
25K
15.53 mi11:48:221:45:276:4716:17
6:43
+0:06
30K
18.64 mi12:09:492:06:546:4821:27
6:54
+0:11
20M
20.00 mi12:19:262:16:316:509:37
7:05
+0:11
21M
21.00 mi12:27:002:24:056:527:34
7:34
+0:29
35K
21.75 mi12:32:082:29:136:525:08
6:52
-0:42
23M
23.00 mi12:41:162:38:216:539:08
7:18
+0:26
24M
24.00 mi12:48:312:45:366:547:15
7:15
-0:03
40K
24.85 mi12:55:062:52:116:566:35
7:42
+0:27
25.2M
25.20 mi12:57:592:55:046:572:53
8:22
+0:40
Finish
26.22 mi13:05:453:02:506:597:46
7:37
-0:45

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

6:37 /mi

Average Pace

6:59 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:31

2% of race

Time at Steady Pace

2:17:08

75% of race

Time at Slower Pace

41:11

23% of race

Average Pace: 6:58 /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 mi10:24:2921:346:5621:34
6:56
#5866
10K
6.21 mi10:45:4142:466:5321:12
6:49
#5678
15K
9.32 mi11:06:351:03:406:5020:54
6:44
#5271
20K
12.43 mi11:27:341:24:396:4920:59
6:45
#4945
Half
13.11 mi11:32:051:29:106:484:31
6:37
#4878
25K
15.53 mi11:48:221:45:276:4716:17
6:43
#4573
30K
18.64 mi12:09:492:06:546:4821:27
6:54
#4370
20M
20.00 mi12:19:262:16:316:509:37
7:05
#4383
21M
21.00 mi12:27:002:24:056:527:34
7:34
#4415
35K
21.75 mi12:32:082:29:136:525:08
6:52
#4410
23M
23.00 mi12:41:162:38:216:539:08
7:18
#4491
24M
24.00 mi12:48:312:45:366:547:15
7:15
#4555
40K
24.85 mi12:55:062:52:116:566:35
7:42
#4653
25.2M
25.20 mi12:57:592:55:046:572:53
8:22
#4679
Finish
26.22 mi13:05:453:02:506:597:46
7:37
#4790
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5866537853784393(Top 17%)4112(Top 27%)4112(Top 78%)
10K6.21 mi3.10 mi5678+1885221+1575221+1575526(Top 21%)5086(Top 34%)5086(Top 96%)
15K9.32 mi3.11 mi5271+4074882+3394882+3394393(Top 17%)4112(Top 27%)4112(Top 78%)
20K12.43 mi3.11 mi4945+3264604+2784604+2784025(Top 15%)3779(Top 25%)3779(Top 72%)
Half13.11 mi0.68 mi4878+674540+644540+643639(Top 14%)3447(Top 23%)3447(Top 65%)
25K15.53 mi2.42 mi4573+3054270+2704270+2703499(Top 13%)3312(Top 22%)3312(Top 63%)
30K18.64 mi3.11 mi4370+2034087+1834087+1833697(Top 14%)3471(Top 23%)3471(Top 66%)
20M20.00 mi1.36 mi4383-134092-54092-54472(Top 17%)4113(Top 27%)4113(Top 78%)
21M21.00 mi1.00 mi4415-324123-314123-314899(Top 18%)4402(Top 29%)4402(Top 83%)
35K21.75 mi0.75 mi4410+54114+94114+94572(Top 17%)4163(Top 27%)4163(Top 79%)
23M23.00 mi1.25 mi4491-814187-734187-735268(Top 20%)4655(Top 31%)4655(Top 88%)
24M24.00 mi1.00 mi4555-644245-584245-586006(Top 23%)5104(Top 34%)5104(Top 97%)
40K24.85 mi0.85 mi4653-984323-784323-787916(Top 30%)6179(Top 41%)6179(Top 117%)
25.2M25.20 mi0.35 mi4679-264339-164339-168554(Top 32%)6455(Top 43%)6455(Top 122%)
Finish26.22 mi1.02 mi4790-1114422-834422-839366(Top 35%)6935(Top 46%)6935(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4393

Males

4112

M18-39

4112

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5526

Males

5086

M18-39

5086

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4393

Males

4112

M18-39

4112

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4025

Males

3779

M18-39

3779

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3639

Males

3447

M18-39

3447

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3499

Males

3312

M18-39

3312

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3697

Males

3471

M18-39

3471

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4472

Males

4113

M18-39

4113

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4899

Males

4402

M18-39

4402

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4572

Males

4163

M18-39

4163

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5268

Males

4655

M18-39

4655

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6006

Males

5104

M18-39

5104

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7916

Males

6179

M18-39

6179

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8554

Males

6455

M18-39

6455

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9366

Males

6935

M18-39

6935

Passing Analysis

Category:
Athletes Passed
1961
Passed By
885
Net Change
+1076
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5866
5K → 10K308120+188#5866#5678
10K → 15K4169+407#5678#5271
15K → 20K33610+326#5271#4945
20K → Half703+67#4945#4878
Half → 25K3094+305#4878#4573
25K → 30K23330+203#4573#4370
30K → 20M6376-13#4370#4383
20M → 21M5284-32#4383#4415
21M → 35K4540+5#4415#4410
35K → 23M50131-81#4410#4491
23M → 24M2690-64#4491#4555
24M → 40K22120-98#4555#4653
40K → 25.2M1137-26#4653#4679
25.2M → Finish20131-111#4679#4790
TOTALS1961885+1076
📊

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