Boston Marathon logo
BOSTON MARATHON 2023

Joel Thompson

Bib: 2611•M

IN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:36/mi
20:30
↑ 97↓ 3451.5%
10K· 6.21 mi
6:17/mi
40:00
↑ 79↓ 1380.4%
15K· 9.32 mi
6:16/mi
59:27
↑ 67↓ 78
20K· 12.43 mi
6:11/mi
1:18:39
↑ 106↓ 860.1%
Half· 13.11 mi
5:52/mi
1:22:39
↑ 19↓ 370.5%
25K· 15.53 mi
6:02/mi
1:37:17
↑ 66↓ 880.2%
30K· 18.64 mi
6:11/mi
1:56:31
↑ 181↓ 1480.2%
20M
6:09/mi
2:04:52
↑ 64↓ 500.2%
21M
6:20/mi
2:11:12
↑ 106↓ 241.6%
35K· 21.75 mi
5:48/mi
2:15:32
↑ 17↓ 861.7%
23M
6:03/mi
2:23:07
↑ 23↓ 630.6%
24M
5:57/mi
2:29:04
↓ 821.3%
40K· 24.85 mi
6:07/mi
2:34:18
↓ 200.3%
25.2M
6:08/mi
2:36:25
↑ 13↓ 160.2%
Finish· 26.22 mi
6:12/mi
2:42:44
↑ 22↓ 21

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
Distance13.11 mi
Time1:22:39
Pace6:18 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:20:05
Pace6:07 /mi
📊Negative Split: 3.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2820:306:3620:30
6:36
-
10K
6.21 mi10:41:5840:006:2619:30
6:17
-0:19
15K
9.32 mi11:01:2559:276:2319:27
6:16
-0:01
20K
12.43 mi11:20:371:18:396:2019:12
6:11
-0:05
Half
13.11 mi11:24:371:22:396:184:00
5:52
-0:19
25K
15.53 mi11:39:151:37:176:1614:38
6:02
+0:10
30K
18.64 mi11:58:291:56:316:1519:14
6:11
+0:09
20M
20.00 mi12:06:502:04:526:158:21
6:09
-0:02
21M
21.00 mi12:13:102:11:126:156:20
6:20
+0:11
35K
21.75 mi12:17:302:15:326:144:20
5:48
-0:32
23M
23.00 mi12:25:052:23:076:137:35
6:03
+0:15
24M
24.00 mi12:31:022:29:046:135:57
5:57
-0:06
40K
24.85 mi12:36:162:34:186:125:14
6:07
+0:10
25.2M
25.20 mi12:38:232:36:256:122:07
6:08
+0:01
Finish
26.22 mi12:44:422:42:446:136:19
6:12
+0:04

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

5:48 /mi

Average Pace

6:13 /mi

Slowest Pace

6:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:14

87% of race

Time at Steady Pace

20:30

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:12 /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 mi10:22:2820:306:3620:30
6:36
#2831
10K
6.21 mi10:41:5840:006:2619:30
6:17
#2165
15K
9.32 mi11:01:2559:276:2319:27
6:16
#1907
20K
12.43 mi11:20:371:18:396:2019:12
6:11
#1651
Half
13.11 mi11:24:371:22:396:184:00
5:52
#1555
25K
15.53 mi11:39:151:37:176:1614:38
6:02
#1319
30K
18.64 mi11:58:291:56:316:1519:14
6:11
#1172
20M
20.00 mi12:06:502:04:526:158:21
6:09
#1101
21M
21.00 mi12:13:102:11:126:156:20
6:20
#1028
35K
21.75 mi12:17:302:15:326:144:20
5:48
#985
23M
23.00 mi12:25:052:23:076:137:35
6:03
#932
24M
24.00 mi12:31:022:29:046:135:57
5:57
#895
40K
24.85 mi12:36:162:34:186:125:14
6:07
#865
25.2M
25.20 mi12:38:232:36:256:122:07
6:08
#839
Finish
26.22 mi12:44:422:42:446:136:19
6:12
#834
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2831269426941459(Top 5%)1392(Top 9%)1392(Top 26%)
10K6.21 mi3.10 mi2165+6662073+6212073+6211654(Top 6%)1580(Top 10%)1580(Top 30%)
15K9.32 mi3.11 mi1907+2581825+2481825+2481459(Top 5%)1392(Top 9%)1392(Top 26%)
20K12.43 mi3.11 mi1651+2561580+2451580+245992(Top 4%)942(Top 6%)942(Top 18%)
Half13.11 mi0.68 mi1555+961486+941486+94491(Top 2%)453(Top 3%)453(Top 9%)
25K15.53 mi2.42 mi1319+2361259+2271259+227600(Top 2%)560(Top 4%)560(Top 11%)
30K18.64 mi3.11 mi1172+1471117+1421117+142667(Top 3%)630(Top 4%)630(Top 12%)
20M20.00 mi1.36 mi1101+711049+681049+68569(Top 2%)535(Top 4%)535(Top 10%)
21M21.00 mi1.00 mi1028+73978+71978+71392(Top 1%)363(Top 2%)363(Top 7%)
35K21.75 mi0.75 mi985+43937+41937+41378(Top 1%)349(Top 2%)349(Top 7%)
23M23.00 mi1.25 mi932+53885+52885+52390(Top 1%)364(Top 2%)364(Top 7%)
24M24.00 mi1.00 mi895+37848+37848+37461(Top 2%)434(Top 3%)434(Top 8%)
40K24.85 mi0.85 mi865+30818+30818+30523(Top 2%)494(Top 3%)494(Top 9%)
25.2M25.20 mi0.35 mi839+26794+24794+24140(Top 0.5%)125(Top 0.8%)125(Top 2%)
Finish26.22 mi1.02 mi834+5790+4790+41255(Top 5%)1188(Top 8%)1188(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1459

Males

1392

M18-39

1392

5K→10K

3.1 - 6.2 mi

Top 6%
×5story building
+79ft-138ft

Overall

1654

Males

1580

M18-39

1580

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1459

Males

1392

M18-39

1392

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

992

Males

942

M18-39

942

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

491

Males

453

M18-39

453

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

600

Males

560

M18-39

560

25K→30K

15.5 - 18.6 mi

Top 3%
×9story building
+181ft-148ft

Overall

667

Males

630

M18-39

630

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

569

Males

535

M18-39

535

20M→21M

20.0 - 21.0 mi

Top 1%
×8story building
+106ft-24ft

Overall

392

Males

363

M18-39

363

21M→35K

21.0 - 21.8 mi

Top 1%
×7story building
+17ft-86ft

Overall

378

Males

349

M18-39

349

35K→23M

21.8 - 23.0 mi

Top 1%
×5story building
+23ft-63ft

Overall

390

Males

364

M18-39

364

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

461

Males

434

M18-39

434

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

523

Males

494

M18-39

494

40K→25.2M

24.9 - 25.2 mi

Top 0.5%
×1story
+13ft-16ft

Overall

140

Males

125

M18-39

125

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2story building
+22ft-21ft

Overall

1255

Males

1188

M18-39

1188

Passing Analysis

Category:
Athletes Passed
2018
Passed By
21
Net Change
+1997
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2831
5K → 10K6693+666#2831#2165
10K → 15K2613+258#2165#1907
15K → 20K2560+256#1907#1651
20K → Half960+96#1651#1555
Half → 25K2360+236#1555#1319
25K → 30K1470+147#1319#1172
30K → 20M721+71#1172#1101
20M → 21M730+73#1101#1028
21M → 35K430+43#1028#985
35K → 23M530+53#985#932
23M → 24M370+37#932#895
24M → 40K300+30#895#865
40K → 25.2M260+26#865#839
25.2M → Finish1914+5#839#834
TOTALS201821+1997
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing