Boston Marathon logo
BOSTON MARATHON 2023

Rocco Henderson

Bib: 7219•M

DC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
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
20:48
Rank: #3640
Start → 5K
20:48 | 6:42/mi
10K· 6.21 mi
41:56
Rank: #4473 (-833)
5K → 10K
21:08 | 6:48/mi
15K· 9.32 mi
1:03:36
Rank: #5213 (-740)
10K → 15K
21:40 | 6:58/mi
20K· 12.43 mi
1:27:45
Rank: #6710 (-1497)
15K → 20K
24:09 | 7:46/mi
Half· 13.11 mi
1:33:11
Rank: #6986 (-276)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
1:53:41
Rank: #8204 (-1218)
Half → 25K
20:30 | 8:27/mi
30K· 18.64 mi
2:20:33
Rank: #9490 (-1286)
25K → 30K
26:52 | 8:39/mi
20M
2:32:19
Rank: #9862 (-372)
30K → 20M
11:46 | 8:40/mi
21M
2:41:37
Rank: #10184 (-322)
20M → 21M
9:18 | 9:18/mi
35K· 21.75 mi
2:47:59
Rank: #10381 (-197)
21M → 35K
6:22 | 8:31/mi
23M
2:59:03
Rank: #10669 (-288)
35K → 23M
11:04 | 8:50/mi
24M
3:07:37
Rank: #10876 (-207)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:14:34
Rank: #10857 (+19)
24M → 40K
6:57 | 8:08/mi
25.2M
3:17:40
Rank: #10887 (-30)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:25:43
Rank: #10884 (+3)
25.2M → Finish
8:03 | 7:54/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
Time1:33:11
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:52:32
Pace8:35 /mi
📊Positive Split: 20.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1920:486:4220:48
6:42
-
10K
6.21 mi10:46:2741:566:4521:08
6:48
+0:06
15K
9.32 mi11:08:071:03:366:4921:40
6:58
+0:10
20K
12.43 mi11:32:161:27:457:0424:09
7:46
+0:48
Half
13.11 mi11:37:421:33:117:065:26
7:58
+0:12
25K
15.53 mi11:58:121:53:417:1920:30
8:27
+0:29
30K
18.64 mi12:25:042:20:337:3226:52
8:39
+0:12
20M
20.00 mi12:36:502:32:197:3711:46
8:40
+0:01
21M
21.00 mi12:46:082:41:377:429:18
9:18
+0:38
35K
21.75 mi12:52:302:47:597:436:22
8:31
-0:47
23M
23.00 mi13:03:342:59:037:4711:04
8:50
+0:19
24M
24.00 mi13:12:083:07:377:498:34
8:34
-0:16
40K
24.85 mi13:19:053:14:347:506:57
8:08
-0:26
25.2M
25.20 mi13:22:113:17:407:513:06
8:59
+0:51
Finish
26.22 mi13:30:143:25:437:518:03
7:54
-1:05

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

6:42 /mi

Average Pace

7:51 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:14

49% of race

Time at Steady Pace

1:32:05

45% of race

Time at Slower Pace

12:24

6% of race

Average Pace: 7:51 /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 mi10:25:1920:486:4220:48
6:42
#3640
10K
6.21 mi10:46:2741:566:4521:08
6:48
#4473
15K
9.32 mi11:08:071:03:366:4921:40
6:58
#5213
20K
12.43 mi11:32:161:27:457:0424:09
7:46
#6710
Half
13.11 mi11:37:421:33:117:065:26
7:58
#6986
25K
15.53 mi11:58:121:53:417:1920:30
8:27
#8204
30K
18.64 mi12:25:042:20:337:3226:52
8:39
#9490
20M
20.00 mi12:36:502:32:197:3711:46
8:40
#9862
21M
21.00 mi12:46:082:41:377:429:18
9:18
#10184
35K
21.75 mi12:52:302:47:597:436:22
8:31
#10381
23M
23.00 mi13:03:342:59:037:4711:04
8:50
#10669
24M
24.00 mi13:12:083:07:377:498:34
8:34
#10876
40K
24.85 mi13:19:053:14:347:506:57
8:08
#10857
25.2M
25.20 mi13:22:113:17:407:513:06
8:59
#10887
Finish
26.22 mi13:30:143:25:437:518:03
7:54
#10884
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3640343034306401(Top 24%)5776(Top 38%)5776(Top 109%)
10K6.21 mi3.10 mi4473-8334184-7544184-7545339(Top 20%)4934(Top 33%)4934(Top 93%)
15K9.32 mi3.11 mi5213-7404831-6474831-6476401(Top 24%)5776(Top 38%)5776(Top 109%)
20K12.43 mi3.11 mi6710-14976024-11936024-119311488(Top 43%)8791(Top 58%)8791(Top 166%)
Half13.11 mi0.68 mi6986-2766239-2156239-21513994(Top 53%)9877(Top 65%)9877(Top 187%)
25K15.53 mi2.42 mi8204-12187040-8017040-80115921(Top 60%)10506(Top 69%)10506(Top 199%)
30K18.64 mi3.11 mi9490-12867794-7547794-75415197(Top 57%)10121(Top 67%)10121(Top 192%)
20M20.00 mi1.36 mi9862-3727993-1997993-19914596(Top 55%)9808(Top 65%)9808(Top 186%)
21M21.00 mi1.00 mi10184-3228137-1448137-14414944(Top 56%)9897(Top 65%)9897(Top 187%)
35K21.75 mi0.75 mi10381-1978210-738210-7315336(Top 58%)9989(Top 66%)9989(Top 189%)
23M23.00 mi1.25 mi10669-2888311-1018311-10115171(Top 57%)9872(Top 65%)9872(Top 187%)
24M24.00 mi1.00 mi10876-2078396-858396-8514834(Top 56%)9675(Top 64%)9675(Top 183%)
40K24.85 mi0.85 mi10857+198360+368360+3610865(Top 41%)7772(Top 51%)7772(Top 147%)
25.2M25.20 mi0.35 mi10887-308362-28362-212379(Top 46%)8442(Top 56%)8442(Top 160%)
Finish26.22 mi1.02 mi10884+38333+298333+2911369(Top 43%)7971(Top 53%)7971(Top 151%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6401

Males

5776

M18-39

5776

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5339

Males

4934

M18-39

4934

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6401

Males

5776

M18-39

5776

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

11488

Males

8791

M18-39

8791

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

13994

Males

9877

M18-39

9877

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

15921

Males

10506

M18-39

10506

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15197

Males

10121

M18-39

10121

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

14596

Males

9808

M18-39

9808

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14944

Males

9897

M18-39

9897

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15336

Males

9989

M18-39

9989

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

15171

Males

9872

M18-39

9872

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14834

Males

9675

M18-39

9675

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10865

Males

7772

M18-39

7772

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12379

Males

8442

M18-39

8442

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11369

Males

7971

M18-39

7971

Passing Analysis

Category:
Athletes Passed
343
Passed By
7585
Net Change
-7244
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3640
5K → 10K23856-833#3640#4473
10K → 15K13753-740#4473#5213
15K → 20K61503-1497#5213#6710
20K → Half0276-276#6710#6986
Half → 25K31221-1218#6986#8204
25K → 30K191305-1286#8204#9490
30K → 20M23395-372#9490#9862
20M → 21M25345-322#9862#10184
21M → 35K18215-197#10184#10381
35K → 23M26314-288#10381#10669
23M → 24M26233-207#10669#10876
24M → 40K7354+19#10876#10857
40K → 25.2M2454-30#10857#10887
25.2M → Finish6461+3#10887#10884
TOTALS3437585-7244
📊

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