Boston Marathon logo
BOSTON MARATHON 2023

George Curtin

Bib: 3157•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
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
21:09
Rank: #4749
Start → 5K
21:09 | 6:48/mi
10K· 6.21 mi
42:18
Rank: #5025 (-276)
5K → 10K
21:09 | 6:48/mi
15K· 9.32 mi
1:03:18
Rank: #4922 (+103)
10K → 15K
21:00 | 6:46/mi
20K· 12.43 mi
1:24:58
Rank: #5204 (-282)
15K → 20K
21:40 | 6:58/mi
Half· 13.11 mi
1:29:23
Rank: #5028 (+176)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:45:33
Rank: #4647 (+381)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
2:07:20
Rank: #4584 (+63)
25K → 30K
21:47 | 7:01/mi
20M
2:17:52
Rank: #4941 (-357)
30K → 20M
10:32 | 7:45/mi
21M
2:25:01
Rank: #4770 (+171)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:30:04
Rank: #4717 (+53)
21M → 35K
5:03 | 6:45/mi
23M
2:38:47
Rank: #4617 (+100)
35K → 23M
8:43 | 6:58/mi
24M
2:45:44
Rank: #4590 (+27)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
2:51:49
Rank: #4552 (+38)
24M → 40K
6:05 | 7:07/mi
25.2M
2:54:26
Rank: #4544 (+8)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
3:01:25
Rank: #4500 (+44)
25.2M → Finish
6:59 | 6:51/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
Time1:29:23
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:32:02
Pace7:01 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3921:096:4821:09
6:48
-
10K
6.21 mi10:43:4842:186:4821:09
6:48
0:00
15K
9.32 mi11:04:481:03:186:4721:00
6:46
-0:02
20K
12.43 mi11:26:281:24:586:5021:40
6:58
+0:12
Half
13.11 mi11:30:531:29:236:494:25
6:28
-0:30
25K
15.53 mi11:47:031:45:336:4816:10
6:40
+0:12
30K
18.64 mi12:08:502:07:206:5021:47
7:01
+0:21
20M
20.00 mi12:19:222:17:526:5410:32
7:45
+0:44
21M
21.00 mi12:26:312:25:016:547:09
7:09
-0:36
35K
21.75 mi12:31:342:30:046:545:03
6:45
-0:24
23M
23.00 mi12:40:172:38:476:548:43
6:58
+0:13
24M
24.00 mi12:47:142:45:446:546:57
6:57
-0:01
40K
24.85 mi12:53:192:51:496:556:05
7:07
+0:10
25.2M
25.20 mi12:55:562:54:266:552:37
7:35
+0:28
Finish
26.22 mi13:02:553:01:256:556:59
6:51
-0:44

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

6:28 /mi

Average Pace

6:55 /mi

Slowest Pace

7:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:02

85% of race

Time at Steady Pace

15:51

9% of race

Time at Slower Pace

10:32

6% of race

Average Pace: 6:55 /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 mi10:22:3921:096:4821:09
6:48
#4749
10K
6.21 mi10:43:4842:186:4821:09
6:48
#5025
15K
9.32 mi11:04:481:03:186:4721:00
6:46
#4922
20K
12.43 mi11:26:281:24:586:5021:40
6:58
#5204
Half
13.11 mi11:30:531:29:236:494:25
6:28
#5028
25K
15.53 mi11:47:031:45:336:4816:10
6:40
#4647
30K
18.64 mi12:08:502:07:206:5021:47
7:01
#4584
20M
20.00 mi12:19:222:17:526:5410:32
7:45
#4941
21M
21.00 mi12:26:312:25:016:547:09
7:09
#4770
35K
21.75 mi12:31:342:30:046:545:03
6:45
#4717
23M
23.00 mi12:40:172:38:476:548:43
6:58
#4617
24M
24.00 mi12:47:142:45:446:546:57
6:57
#4590
40K
24.85 mi12:53:192:51:496:556:05
7:07
#4552
25.2M
25.20 mi12:55:562:54:266:552:37
7:35
#4544
Finish
26.22 mi13:02:553:01:256:556:59
6:51
#4500
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4749441944194696(Top 18%)4381(Top 29%)4381(Top 83%)
10K6.21 mi3.10 mi5025-2764658-2394658-2395364(Top 20%)4949(Top 33%)4949(Top 94%)
15K9.32 mi3.11 mi4922+1034578+804578+804696(Top 18%)4381(Top 29%)4381(Top 83%)
20K12.43 mi3.11 mi5204-2824824-2464824-2465807(Top 22%)5316(Top 35%)5316(Top 101%)
Half13.11 mi0.68 mi5028+1764671+1534671+1532686(Top 10%)2580(Top 17%)2580(Top 49%)
25K15.53 mi2.42 mi4647+3814330+3414330+3413145(Top 12%)3000(Top 20%)3000(Top 57%)
30K18.64 mi3.11 mi4584+634275+554275+554418(Top 17%)4101(Top 27%)4101(Top 78%)
20M20.00 mi1.36 mi4941-3574585-3104585-3108478(Top 32%)6870(Top 45%)6870(Top 130%)
21M21.00 mi1.00 mi4770+1714435+1504435+1502874(Top 11%)2699(Top 18%)2699(Top 51%)
35K21.75 mi0.75 mi4717+534389+464389+463880(Top 15%)3574(Top 24%)3574(Top 68%)
23M23.00 mi1.25 mi4617+1004296+934296+933593(Top 13%)3332(Top 22%)3332(Top 63%)
24M24.00 mi1.00 mi4590+274273+234273+234413(Top 17%)3988(Top 26%)3988(Top 75%)
40K24.85 mi0.85 mi4552+384238+354238+354438(Top 17%)3939(Top 26%)3939(Top 75%)
25.2M25.20 mi0.35 mi4544+84228+104228+104300(Top 16%)3770(Top 25%)3770(Top 71%)
Finish26.22 mi1.02 mi4500+444184+444184+444358(Top 16%)3816(Top 25%)3816(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4696

Males

4381

M18-39

4381

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5364

Males

4949

M18-39

4949

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4696

Males

4381

M18-39

4381

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5807

Males

5316

M18-39

5316

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2686

Males

2580

M18-39

2580

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3145

Males

3000

M18-39

3000

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4418

Males

4101

M18-39

4101

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8478

Males

6870

M18-39

6870

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2874

Males

2699

M18-39

2699

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

3880

Males

3574

M18-39

3574

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3593

Males

3332

M18-39

3332

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4413

Males

3988

M18-39

3988

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4438

Males

3939

M18-39

3939

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4300

Males

3770

M18-39

3770

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4358

Males

3816

M18-39

3816

Passing Analysis

Category:
Athletes Passed
1607
Passed By
1358
Net Change
+249
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4749
5K → 10K99375-276#4749#5025
10K → 15K16259+103#5025#4922
15K → 20K43325-282#4922#5204
20K → Half1760+176#5204#5028
Half → 25K3832+381#5028#4647
25K → 30K15390+63#4647#4584
30K → 20M18375-357#4584#4941
20M → 21M1743+171#4941#4770
21M → 35K6714+53#4770#4717
35K → 23M12121+100#4717#4617
23M → 24M5629+27#4617#4590
24M → 40K6325+38#4590#4552
40K → 25.2M2517+8#4552#4544
25.2M → Finish6723+44#4544#4500
TOTALS16071358+249
📊

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