Boston Marathon logo
BOSTON MARATHON 2023

Chris Kudron

Bib: 2773•M

CO

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 20%
Division (M18-39)
#0 / 5285
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:21
Rank: #5308
Start → 5K
21:21 | 6:52/mi
10K· 6.21 mi
41:59
Rank: #4557 (+751)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:02:56
Rank: #4524 (+33)
10K → 15K
20:57 | 6:45/mi
20K· 12.43 mi
1:23:54
Rank: #4355 (+169)
15K → 20K
20:58 | 6:45/mi
Half· 13.11 mi
1:28:27
Rank: #4338 (+17)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:44:48
Rank: #4175 (+163)
Half → 25K
16:21 | 6:45/mi
30K· 18.64 mi
2:05:56
Rank: #3904 (+271)
25K → 30K
21:08 | 6:48/mi
20M
2:15:07
Rank: #3742 (+162)
30K → 20M
9:11 | 6:45/mi
21M
2:22:12
Rank: #3627 (+115)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:27:01
Rank: #3531 (+96)
21M → 35K
4:49 | 6:26/mi
23M
2:35:34
Rank: #3444 (+87)
35K → 23M
8:33 | 6:50/mi
24M
2:42:07
Rank: #3360 (+84)
23M → 24M
6:33 | 6:33/mi
40K· 24.85 mi
2:47:52
Rank: #3294 (+66)
24M → 40K
5:45 | 6:44/mi
25.2M
2:50:21
Rank: #3266 (+28)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:57:02
Rank: #3199 (+67)
25.2M → Finish
6:41 | 6:34/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 Half⚖️ Balanced
Distance13.11 mi
Time1:28:27
Pace6:45 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:35
Pace6:45 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3021:216:5221:21
6:52
-
10K
6.21 mi10:43:0841:596:4520:38
6:38
-0:14
15K
9.32 mi11:04:051:02:566:4520:57
6:45
+0:07
20K
12.43 mi11:25:031:23:546:4520:58
6:45
0:00
Half
13.11 mi11:29:361:28:276:454:33
6:40
-0:05
25K
15.53 mi11:45:571:44:486:4516:21
6:45
+0:05
30K
18.64 mi12:07:052:05:566:4521:08
6:48
+0:03
20M
20.00 mi12:16:162:15:076:459:11
6:45
-0:03
21M
21.00 mi12:23:212:22:126:467:05
7:05
+0:20
35K
21.75 mi12:28:102:27:016:464:49
6:26
-0:39
23M
23.00 mi12:36:432:35:346:468:33
6:50
+0:24
24M
24.00 mi12:43:162:42:076:456:33
6:33
-0:17
40K
24.85 mi12:49:012:47:526:455:45
6:44
+0:11
25.2M
25.20 mi12:51:302:50:216:462:29
7:12
+0:28
Finish
26.22 mi12:58:112:57:026:456:41
6:34
-0:38

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

6:26 /mi

Average Pace

6:45 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:28

95% of race

Time at Steady Pace

9:34

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:22:3021:216:5221:21
6:52
#5308
10K
6.21 mi10:43:0841:596:4520:38
6:38
#4557
15K
9.32 mi11:04:051:02:566:4520:57
6:45
#4524
20K
12.43 mi11:25:031:23:546:4520:58
6:45
#4355
Half
13.11 mi11:29:361:28:276:454:33
6:40
#4338
25K
15.53 mi11:45:571:44:486:4516:21
6:45
#4175
30K
18.64 mi12:07:052:05:566:4521:08
6:48
#3904
20M
20.00 mi12:16:162:15:076:459:11
6:45
#3742
21M
21.00 mi12:23:212:22:126:467:05
7:05
#3627
35K
21.75 mi12:28:102:27:016:464:49
6:26
#3531
23M
23.00 mi12:36:432:35:346:468:33
6:50
#3444
24M
24.00 mi12:43:162:42:076:456:33
6:33
#3360
40K
24.85 mi12:49:012:47:526:455:45
6:44
#3294
25.2M
25.20 mi12:51:302:50:216:462:29
7:12
#3266
Finish
26.22 mi12:58:112:57:026:456:41
6:34
#3199
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5308490649064523(Top 17%)4222(Top 28%)4222(Top 80%)
10K6.21 mi3.10 mi4557+7514256+6504256+6503799(Top 14%)3583(Top 24%)3583(Top 68%)
15K9.32 mi3.11 mi4524+334226+304226+304523(Top 17%)4222(Top 28%)4222(Top 80%)
20K12.43 mi3.11 mi4355+1694075+1514075+1513951(Top 15%)3717(Top 24%)3717(Top 70%)
Half13.11 mi0.68 mi4338+174061+144061+143976(Top 15%)3728(Top 25%)3728(Top 71%)
25K15.53 mi2.42 mi4175+1633913+1483913+1483682(Top 14%)3467(Top 23%)3467(Top 66%)
30K18.64 mi3.11 mi3904+2713680+2333680+2333000(Top 11%)2838(Top 19%)2838(Top 54%)
20M20.00 mi1.36 mi3742+1623532+1483532+1482582(Top 10%)2449(Top 16%)2449(Top 46%)
21M21.00 mi1.00 mi3627+1153429+1033429+1032558(Top 10%)2416(Top 16%)2416(Top 46%)
35K21.75 mi0.75 mi3531+963345+843345+842160(Top 8%)2053(Top 14%)2053(Top 39%)
23M23.00 mi1.25 mi3444+873257+883257+882821(Top 11%)2637(Top 17%)2637(Top 50%)
24M24.00 mi1.00 mi3360+843179+783179+782328(Top 9%)2179(Top 14%)2179(Top 41%)
40K24.85 mi0.85 mi3294+663116+633116+632468(Top 9%)2288(Top 15%)2288(Top 43%)
25.2M25.20 mi0.35 mi3266+283089+273089+272526(Top 9%)2339(Top 15%)2339(Top 44%)
Finish26.22 mi1.02 mi3199+673027+623027+622754(Top 10%)2512(Top 17%)2512(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4523

Males

4222

M18-39

4222

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3799

Males

3583

M18-39

3583

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4523

Males

4222

M18-39

4222

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3951

Males

3717

M18-39

3717

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3976

Males

3728

M18-39

3728

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3682

Males

3467

M18-39

3467

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3000

Males

2838

M18-39

2838

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2582

Males

2449

M18-39

2449

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2558

Males

2416

M18-39

2416

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2160

Males

2053

M18-39

2053

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2821

Males

2637

M18-39

2637

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2328

Males

2179

M18-39

2179

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2468

Males

2288

M18-39

2288

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2526

Males

2339

M18-39

2339

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2754

Males

2512

M18-39

2512

Passing Analysis

Category:
Athletes Passed
2386
Passed By
277
Net Change
+2109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5308
5K → 10K76918+751#5308#4557
10K → 15K142109+33#4557#4524
15K → 20K20233+169#4524#4355
20K → Half269+17#4355#4338
Half → 25K18522+163#4338#4175
25K → 30K28413+271#4175#3904
30K → 20M1664+162#3904#3742
20M → 21M1227+115#3742#3627
21M → 35K1004+96#3627#3531
35K → 23M10720+87#3531#3444
23M → 24M895+84#3444#3360
24M → 40K7812+66#3360#3294
40K → 25.2M379+28#3294#3266
25.2M → Finish7912+67#3266#3199
TOTALS2386277+2109
📊

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