Boston Marathon logo
BOSTON MARATHON 2023

Timothy Henry

Bib: 8500•M

NJ

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 39%
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
21:28
Rank: #5643
Start → 5K
6:55/mi
21:28 split
10K· 6.21 mi
42:40
Rank: #5565 (+78)
5K → 10K
6:49/mi
21:12 split
15K· 9.32 mi
1:03:40
Rank: #5278 (+287)
10K → 15K
6:46/mi
21:00 split
20K· 12.43 mi
1:24:46
Rank: #5035 (+243)
15K → 20K
6:47/mi
21:06 split
Half· 13.11 mi
1:29:24
Rank: #5055 (-20)
20K → Half
6:47/mi
4:38 split
25K· 15.53 mi
1:46:19
Rank: #5139 (-84)
Half → 25K
6:59/mi
16:55 split
30K· 18.64 mi
2:10:00
Rank: #5663 (-524)
25K → 30K
7:37/mi
23:41 split
20M
2:21:36
Rank: #6121 (-458)
30K → 20M
8:32/mi
11:36 split
21M
2:31:23
Rank: #6641 (-520)
20M → 21M
9:47/mi
9:47 split
35K· 21.75 mi
2:38:21
Rank: #7032 (-391)
21M → 35K
9:19/mi
6:58 split
23M
2:50:25
Rank: #7757 (-725)
35K → 23M
9:38/mi
12:04 split
24M
2:59:52
Rank: #8364 (-607)
23M → 24M
9:27/mi
9:27 split
40K· 24.85 mi
3:08:22
Rank: #8917 (-553)
24M → 40K
9:56/mi
8:30 split
25.2M
3:12:23
Rank: #9224 (-307)
40K → 25.2M
11:39/mi
4:01 split
Finish· 26.22 mi
3:23:47
Rank: #10293 (-1069)
25.2M → Finish
11:11/mi
11:24 split

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
Time1:29:24
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:54:23
Pace8:44 /mi
📊Positive Split: 27.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3621:286:5521:28
6:55
-
10K
6.21 mi11:07:4842:406:5221:12
6:49
-0:06
15K
9.32 mi11:28:481:03:406:5021:00
6:46
-0:03
20K
12.43 mi11:49:541:24:466:4921:06
6:47
+0:01
Half
13.11 mi11:54:321:29:246:494:38
6:47
0:00
25K
15.53 mi12:11:271:46:196:5116:55
6:59
+0:12
30K
18.64 mi12:35:082:10:006:5823:41
7:37
+0:38
20M
20.00 mi12:46:442:21:367:0511:36
8:32
+0:55
21M
21.00 mi12:56:312:31:237:139:47
9:47
+1:15
35K
21.75 mi13:03:292:38:217:176:58
9:19
-0:28
23M
23.00 mi13:15:332:50:257:2512:04
9:38
+0:19
24M
24.00 mi13:25:002:59:527:309:27
9:27
-0:11
40K
24.85 mi13:33:303:08:227:358:30
9:56
+0:29
25.2M
25.20 mi13:37:313:12:237:384:01
11:39
+1:43
Finish
26.22 mi13:48:553:23:477:4711:24
11:11
-0:28

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

6:46 /mi

Average Pace

7:47 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:00

64% of race

Time at Steady Pace

18:34

9% of race

Time at Slower Pace

55:13

27% of race

Average Pace: 7:46 /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 mi10:46:3621:286:5521:28
6:55
#5643
10K
6.21 mi11:07:4842:406:5221:12
6:49
#5565
15K
9.32 mi11:28:481:03:406:5021:00
6:46
#5278
20K
12.43 mi11:49:541:24:466:4921:06
6:47
#5035
Half
13.11 mi11:54:321:29:246:494:38
6:47
#5055
25K
15.53 mi12:11:271:46:196:5116:55
6:59
#5139
30K
18.64 mi12:35:082:10:006:5823:41
7:37
#5663
20M
20.00 mi12:46:442:21:367:0511:36
8:32
#6121
21M
21.00 mi12:56:312:31:237:139:47
9:47
#6641
35K
21.75 mi13:03:292:38:217:176:58
9:19
#7032
23M
23.00 mi13:15:332:50:257:2512:04
9:38
#7757
24M
24.00 mi13:25:002:59:527:309:27
9:27
#8364
40K
24.85 mi13:33:303:08:227:358:30
9:56
#8917
25.2M
25.20 mi13:37:313:12:237:384:01
11:39
#9224
Finish
26.22 mi13:48:553:23:477:4711:24
11:11
#10293
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5643519551954728(Top 18%)4413(Top 29%)4413(Top 84%)
10K6.21 mi3.10 mi5565+785129+665129+665537(Top 21%)5097(Top 34%)5097(Top 96%)
15K9.32 mi3.11 mi5278+2874889+2404889+2404728(Top 18%)4413(Top 29%)4413(Top 84%)
20K12.43 mi3.11 mi5035+2434679+2104679+2104378(Top 16%)4088(Top 27%)4088(Top 77%)
Half13.11 mi0.68 mi5055-204695-164695-165260(Top 20%)4870(Top 32%)4870(Top 92%)
25K15.53 mi2.42 mi5139-844767-724767-725451(Top 20%)5022(Top 33%)5022(Top 95%)
30K18.64 mi3.11 mi5663-5245197-4305197-4308116(Top 30%)6758(Top 45%)6758(Top 128%)
20M20.00 mi1.36 mi6121-4585543-3465543-34613821(Top 52%)9486(Top 63%)9486(Top 179%)
21M21.00 mi1.00 mi6641-5205913-3705913-37017161(Top 64%)10847(Top 71%)10847(Top 205%)
35K21.75 mi0.75 mi7032-3916209-2966209-29619168(Top 72%)11651(Top 77%)11651(Top 220%)
23M23.00 mi1.25 mi7757-7256656-4476656-44718854(Top 71%)11507(Top 76%)11507(Top 218%)
24M24.00 mi1.00 mi8364-6077017-3617017-36119012(Top 71%)11530(Top 76%)11530(Top 218%)
40K24.85 mi0.85 mi8917-5537323-3067323-30619787(Top 74%)11817(Top 78%)11817(Top 224%)
25.2M25.20 mi0.35 mi9224-3077489-1667489-16621812(Top 82%)12755(Top 84%)12755(Top 241%)
Finish26.22 mi1.02 mi10293-10698037-5488037-54824269(Top 91%)13954(Top 92%)13954(Top 264%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4728

Males

4413

M18-39

4413

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5537

Males

5097

M18-39

5097

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4728

Males

4413

M18-39

4413

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4378

Males

4088

M18-39

4088

20K→Half

12.4 - 13.1 mi

Top 20%
×2story building
+19ft-37ft

Overall

5260

Males

4870

M18-39

4870

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5451

Males

5022

M18-39

5022

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8116

Males

6758

M18-39

6758

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13821

Males

9486

M18-39

9486

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

17161

Males

10847

M18-39

10847

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19168

Males

11651

M18-39

11651

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18854

Males

11507

M18-39

11507

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

19012

Males

11530

M18-39

11530

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19787

Males

11817

M18-39

11817

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21812

Males

12755

M18-39

12755

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

24269

Males

13954

M18-39

13954

Passing Analysis

Category:
Athletes Passed
993
Passed By
5641
Net Change
-4650
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5643
5K → 10K244166+78#5643#5565
10K → 15K30821+287#5565#5278
15K → 20K26320+243#5278#5035
20K → Half1535-20#5035#5055
Half → 25K84168-84#5055#5139
25K → 30K34558-524#5139#5663
30K → 20M10468-458#5663#6121
20M → 21M4524-520#6121#6641
21M → 35K2393-391#6641#7032
35K → 23M11736-725#7032#7757
23M → 24M9616-607#7757#8364
24M → 40K6559-553#8364#8917
40K → 25.2M2309-307#8917#9224
25.2M → Finish11068-1069#9224#10293
TOTALS9935641-4650
📊

Passing Visuals

Category:
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