Boston Marathon logo
BOSTON MARATHON 2023

Brad Lowe

Bib: 6522•M

OH

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Division (M18-39)
#0 / 5285
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:19
Rank: #2491
Start → 5K
20:19 | 6:32/mi
10K· 6.21 mi
40:28
Rank: #2588 (-97)
5K → 10K
20:09 | 6:29/mi
15K· 9.32 mi
1:00:33
Rank: #2506 (+82)
10K → 15K
20:05 | 6:28/mi
20K· 12.43 mi
1:20:34
Rank: #2357 (+149)
15K → 20K
20:01 | 6:27/mi
Half· 13.11 mi
1:24:55
Rank: #2347 (+10)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:40:30
Rank: #2250 (+97)
Half → 25K
15:35 | 6:26/mi
30K· 18.64 mi
2:00:54
Rank: #2148 (+102)
25K → 30K
20:24 | 6:34/mi
20M
2:10:00
Rank: #2139 (+9)
30K → 20M
9:06 | 6:42/mi
21M
2:17:04
Rank: #2143 (-4)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:21:57
Rank: #2150 (-7)
21M → 35K
4:53 | 6:32/mi
23M
2:30:35
Rank: #2174 (-24)
35K → 23M
8:38 | 6:54/mi
24M
2:37:27
Rank: #2213 (-39)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:43:28
Rank: #2249 (-36)
24M → 40K
6:01 | 7:02/mi
25.2M
2:46:15
Rank: #2289 (-40)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
2:53:36
Rank: #2389 (-100)
25.2M → Finish
7:21 | 7:13/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
Time1:24:55
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:28:41
Pace6:46 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3620:196:3220:19
6:32
-
10K
6.21 mi10:43:4540:286:3120:09
6:29
-0:03
15K
9.32 mi11:03:501:00:336:3020:05
6:28
-0:01
20K
12.43 mi11:23:511:20:346:2920:01
6:27
-0:01
Half
13.11 mi11:28:121:24:556:294:21
6:23
-0:04
25K
15.53 mi11:43:471:40:306:2815:35
6:26
+0:03
30K
18.64 mi12:04:112:00:546:2920:24
6:34
+0:08
20M
20.00 mi12:13:172:10:006:309:06
6:42
+0:08
21M
21.00 mi12:20:212:17:046:327:04
7:04
+0:22
35K
21.75 mi12:25:142:21:576:324:53
6:32
-0:32
23M
23.00 mi12:33:522:30:356:338:38
6:54
+0:22
24M
24.00 mi12:40:442:37:276:346:52
6:52
-0:02
40K
24.85 mi12:46:452:43:286:356:01
7:02
+0:10
25.2M
25.20 mi12:49:322:46:156:362:47
8:04
+1:02
Finish
26.22 mi12:56:532:53:366:387:21
7:13
-0:51

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

6:23 /mi

Average Pace

6:38 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:14:53

78% of race

Time at Slower Pace

38:43

22% of race

Average Pace: 6:37 /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 mi10:23:3620:196:3220:19
6:32
#2491
10K
6.21 mi10:43:4540:286:3120:09
6:29
#2588
15K
9.32 mi11:03:501:00:336:3020:05
6:28
#2506
20K
12.43 mi11:23:511:20:346:2920:01
6:27
#2357
Half
13.11 mi11:28:121:24:556:294:21
6:23
#2347
25K
15.53 mi11:43:471:40:306:2815:35
6:26
#2250
30K
18.64 mi12:04:112:00:546:2920:24
6:34
#2148
20M
20.00 mi12:13:172:10:006:309:06
6:42
#2139
21M
21.00 mi12:20:212:17:046:327:04
7:04
#2143
35K
21.75 mi12:25:142:21:576:324:53
6:32
#2150
23M
23.00 mi12:33:522:30:356:338:38
6:54
#2174
24M
24.00 mi12:40:442:37:276:346:52
6:52
#2213
40K
24.85 mi12:46:452:43:286:356:01
7:02
#2249
25.2M
25.20 mi12:49:322:46:156:362:47
8:04
#2289
Finish
26.22 mi12:56:532:53:366:387:21
7:13
#2389
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2491237723772430(Top 9%)2331(Top 15%)2331(Top 44%)
10K6.21 mi3.10 mi2588-972468-912468-912701(Top 10%)2583(Top 17%)2583(Top 49%)
15K9.32 mi3.11 mi2506+822394+742394+742430(Top 9%)2331(Top 15%)2331(Top 44%)
20K12.43 mi3.11 mi2357+1492259+1352259+1352004(Top 8%)1923(Top 13%)1923(Top 36%)
Half13.11 mi0.68 mi2347+102250+92250+92129(Top 8%)2045(Top 13%)2045(Top 39%)
25K15.53 mi2.42 mi2250+972157+932157+931855(Top 7%)1778(Top 12%)1778(Top 34%)
30K18.64 mi3.11 mi2148+1022061+962061+961828(Top 7%)1751(Top 12%)1751(Top 33%)
20M20.00 mi1.36 mi2139+92050+112050+112258(Top 8%)2147(Top 14%)2147(Top 41%)
21M21.00 mi1.00 mi2143-42053-32053-32459(Top 9%)2322(Top 15%)2322(Top 44%)
35K21.75 mi0.75 mi2150-72060-72060-72548(Top 10%)2407(Top 16%)2407(Top 46%)
23M23.00 mi1.25 mi2174-242083-232083-233175(Top 12%)2952(Top 19%)2952(Top 56%)
24M24.00 mi1.00 mi2213-392123-402123-403979(Top 15%)3627(Top 24%)3627(Top 69%)
40K24.85 mi0.85 mi2249-362158-352158-353993(Top 15%)3575(Top 24%)3575(Top 68%)
25.2M25.20 mi0.35 mi2289-402192-342192-346787(Top 25%)5419(Top 36%)5419(Top 103%)
Finish26.22 mi1.02 mi2389-1002281-892281-896475(Top 24%)5226(Top 34%)5226(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2430

Males

2331

M18-39

2331

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2701

Males

2583

M18-39

2583

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2430

Males

2331

M18-39

2331

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2004

Males

1923

M18-39

1923

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2129

Males

2045

M18-39

2045

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1855

Males

1778

M18-39

1778

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1828

Males

1751

M18-39

1751

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2258

Males

2147

M18-39

2147

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2459

Males

2322

M18-39

2322

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2548

Males

2407

M18-39

2407

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3175

Males

2952

M18-39

2952

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3979

Males

3627

M18-39

3627

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3993

Males

3575

M18-39

3575

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6787

Males

5419

M18-39

5419

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6475

Males

5226

M18-39

5226

Passing Analysis

Category:
Athletes Passed
774
Passed By
672
Net Change
+102
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2491
5K → 10K97194-97#2491#2588
10K → 15K12038+82#2588#2506
15K → 20K1545+149#2506#2357
20K → Half166+10#2357#2347
Half → 25K10912+97#2347#2250
25K → 30K12422+102#2250#2148
30K → 20M3526+9#2148#2139
20M → 21M3438-4#2139#2143
21M → 35K1320-7#2143#2150
35K → 23M3054-24#2150#2174
23M → 24M1554-39#2174#2213
24M → 40K1753-36#2213#2249
40K → 25.2M343-40#2249#2289
25.2M → Finish7107-100#2289#2389
TOTALS774672+102
📊

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