Boston Marathon logo
BOSTON MARATHON 2023

Ben Gadomski

Bib: 2860•M

CO

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:18
Rank: #2442
Start → 5K
20:18 | 6:32/mi
10K· 6.21 mi
39:48
Rank: #2000 (+442)
5K → 10K
19:30 | 6:17/mi
15K· 9.32 mi
59:12
Rank: #1794 (+206)
10K → 15K
19:24 | 6:15/mi
20K· 12.43 mi
1:18:32
Rank: #1604 (+190)
15K → 20K
19:20 | 6:13/mi
Half· 13.11 mi
1:22:44
Rank: #1579 (+25)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:37:52
Rank: #1478 (+101)
Half → 25K
15:08 | 6:14/mi
30K· 18.64 mi
1:57:31
Rank: #1354 (+124)
25K → 30K
19:39 | 6:19/mi
20M
2:06:03
Rank: #1302 (+52)
30K → 20M
8:32 | 6:17/mi
21M
2:12:39
Rank: #1251 (+51)
20M → 21M
6:36 | 6:36/mi
35K· 21.75 mi
2:17:10
Rank: #1213 (+38)
21M → 35K
4:31 | 6:02/mi
23M
2:24:49
Rank: #1136 (+77)
35K → 23M
7:39 | 6:07/mi
24M
2:30:55
Rank: #1111 (+25)
23M → 24M
6:06 | 6:06/mi
40K· 24.85 mi
2:36:12
Rank: #1074 (+37)
24M → 40K
5:17 | 6:11/mi
25.2M
2:38:26
Rank: #1060 (+14)
40K → 25.2M
2:14 | 6:29/mi
Finish· 26.22 mi
2:44:25
Rank: #1007 (+53)
25.2M → Finish
5:59 | 5:52/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
Distance13.11 mi
Time1:22:44
Pace6:19 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:21:41
Pace6:14 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2720:186:3220:18
6:32
-
10K
6.21 mi10:40:5739:486:2419:30
6:17
-0:15
15K
9.32 mi11:00:2159:126:2119:24
6:15
-0:02
20K
12.43 mi11:19:411:18:326:1919:20
6:13
-0:02
Half
13.11 mi11:23:531:22:446:194:12
6:09
-0:04
25K
15.53 mi11:39:011:37:526:1815:08
6:14
+0:05
30K
18.64 mi11:58:401:57:316:1819:39
6:19
+0:05
20M
20.00 mi12:07:122:06:036:188:32
6:17
-0:02
21M
21.00 mi12:13:482:12:396:196:36
6:36
+0:19
35K
21.75 mi12:18:192:17:106:184:31
6:02
-0:34
23M
23.00 mi12:25:582:24:496:187:39
6:07
+0:05
24M
24.00 mi12:32:042:30:556:176:06
6:06
-0:01
40K
24.85 mi12:37:212:36:126:175:17
6:11
+0:05
25.2M
25.20 mi12:39:352:38:266:172:14
6:29
+0:18
Finish
26.22 mi12:45:342:44:256:175:59
5:52
-0:37

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

5:52 /mi

Average Pace

6:17 /mi

Slowest Pace

6:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:17

82% of race

Time at Steady Pace

29:08

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:16 /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 mi10:21:2720:186:3220:18
6:32
#2442
10K
6.21 mi10:40:5739:486:2419:30
6:17
#2000
15K
9.32 mi11:00:2159:126:2119:24
6:15
#1794
20K
12.43 mi11:19:411:18:326:1919:20
6:13
#1604
Half
13.11 mi11:23:531:22:446:194:12
6:09
#1579
25K
15.53 mi11:39:011:37:526:1815:08
6:14
#1478
30K
18.64 mi11:58:401:57:316:1819:39
6:19
#1354
20M
20.00 mi12:07:122:06:036:188:32
6:17
#1302
21M
21.00 mi12:13:482:12:396:196:36
6:36
#1251
35K
21.75 mi12:18:192:17:106:184:31
6:02
#1213
23M
23.00 mi12:25:582:24:496:187:39
6:07
#1136
24M
24.00 mi12:32:042:30:556:176:06
6:06
#1111
40K
24.85 mi12:37:212:36:126:175:17
6:11
#1074
25.2M
25.20 mi12:39:352:38:266:172:14
6:29
#1060
Finish
26.22 mi12:45:342:44:256:175:59
5:52
#1007
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2442232823281396(Top 5%)1329(Top 9%)1329(Top 25%)
10K6.21 mi3.10 mi2000+4421917+4111917+4111656(Top 6%)1582(Top 10%)1582(Top 30%)
15K9.32 mi3.11 mi1794+2061715+2021715+2021396(Top 5%)1329(Top 9%)1329(Top 25%)
20K12.43 mi3.11 mi1604+1901533+1821533+1821114(Top 4%)1062(Top 7%)1062(Top 20%)
Half13.11 mi0.68 mi1579+251509+241509+241176(Top 4%)1125(Top 7%)1125(Top 21%)
25K15.53 mi2.42 mi1478+1011412+971412+971111(Top 4%)1058(Top 7%)1058(Top 20%)
30K18.64 mi3.11 mi1354+1241293+1191293+119980(Top 4%)932(Top 6%)932(Top 18%)
20M20.00 mi1.36 mi1302+521244+491244+49832(Top 3%)792(Top 5%)792(Top 15%)
21M21.00 mi1.00 mi1251+511195+491195+49872(Top 3%)826(Top 5%)826(Top 16%)
35K21.75 mi0.75 mi1213+381158+371158+37778(Top 3%)737(Top 5%)737(Top 14%)
23M23.00 mi1.25 mi1136+771084+741084+74480(Top 2%)449(Top 3%)449(Top 8%)
24M24.00 mi1.00 mi1111+251059+251059+25764(Top 3%)724(Top 5%)724(Top 14%)
40K24.85 mi0.85 mi1074+371022+371022+37628(Top 2%)593(Top 4%)593(Top 11%)
25.2M25.20 mi0.35 mi1060+141008+141008+14473(Top 2%)447(Top 3%)447(Top 8%)
Finish26.22 mi1.02 mi1007+53958+50958+50489(Top 2%)466(Top 3%)466(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1396

Males

1329

M18-39

1329

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1656

Males

1582

M18-39

1582

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1396

Males

1329

M18-39

1329

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1114

Males

1062

M18-39

1062

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1176

Males

1125

M18-39

1125

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1111

Males

1058

M18-39

1058

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

980

Males

932

M18-39

932

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

832

Males

792

M18-39

792

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

872

Males

826

M18-39

826

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

778

Males

737

M18-39

737

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

480

Males

449

M18-39

449

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

764

Males

724

M18-39

724

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

628

Males

593

M18-39

593

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

473

Males

447

M18-39

447

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

489

Males

466

M18-39

466

Passing Analysis

Category:
Athletes Passed
1476
Passed By
41
Net Change
+1435
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2442
5K → 10K4508+442#2442#2000
10K → 15K2115+206#2000#1794
15K → 20K1900+190#1794#1604
20K → Half294+25#1604#1579
Half → 25K1021+101#1579#1478
25K → 30K1306+124#1478#1354
30K → 20M531+52#1354#1302
20M → 21M576+51#1302#1251
21M → 35K402+38#1251#1213
35K → 23M770+77#1213#1136
23M → 24M283+25#1136#1111
24M → 40K381+37#1111#1074
40K → 25.2M151+14#1074#1060
25.2M → Finish563+53#1060#1007
TOTALS147641+1435
📊

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