Boston Marathon logo
BOSTON MARATHON 2023

Sam Condon

Bib: 4013•M

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Division (M18-39)
#0 / 5285
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:49
Rank: #1735
Start → 5K
19:49 | 6:23/mi
10K· 6.21 mi
39:30
Rank: #1802 (-67)
5K → 10K
19:41 | 6:20/mi
15K· 9.32 mi
59:50
Rank: #2098 (-296)
10K → 15K
20:20 | 6:33/mi
20K· 12.43 mi
1:21:09
Rank: #2623 (-525)
15K → 20K
21:19 | 6:52/mi
Half· 13.11 mi
1:25:15
Rank: #2473 (+150)
20K → Half
4:06 | 6:01/mi
25K· 15.53 mi
1:40:21
Rank: #2203 (+270)
Half → 25K
15:06 | 6:14/mi
30K· 18.64 mi
2:00:14
Rank: #1965 (+238)
25K → 30K
19:53 | 6:24/mi
20M
2:09:09
Rank: #1922 (+43)
30K → 20M
8:55 | 6:34/mi
21M
2:15:54
Rank: #1870 (+52)
20M → 21M
6:45 | 6:45/mi
35K· 21.75 mi
2:20:40
Rank: #1862 (+8)
21M → 35K
4:46 | 6:22/mi
23M
2:30:06
Rank: #2064 (-202)
35K → 23M
9:26 | 7:32/mi
24M
2:37:45
Rank: #2282 (-218)
23M → 24M
7:39 | 7:39/mi
40K· 24.85 mi
2:44:17
Rank: #2380 (-98)
24M → 40K
6:32 | 7:38/mi
25.2M
2:47:23
Rank: #2489 (-109)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
2:55:53
Rank: #2897 (-408)
25.2M → Finish
8:30 | 8:20/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
Time1:25:15
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:30:38
Pace6:55 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3619:496:2319:49
6:23
-
10K
6.21 mi10:41:1739:306:2119:41
6:20
-0:03
15K
9.32 mi11:01:3759:506:2520:20
6:33
+0:13
20K
12.43 mi11:22:561:21:096:3221:19
6:52
+0:19
Half
13.11 mi11:27:021:25:156:304:06
6:01
-0:51
25K
15.53 mi11:42:081:40:216:2815:06
6:14
+0:13
30K
18.64 mi12:02:012:00:146:2719:53
6:24
+0:10
20M
20.00 mi12:10:562:09:096:278:55
6:34
+0:10
21M
21.00 mi12:17:412:15:546:286:45
6:45
+0:11
35K
21.75 mi12:22:272:20:406:284:46
6:22
-0:23
23M
23.00 mi12:31:532:30:066:329:26
7:32
+1:10
24M
24.00 mi12:39:322:37:456:347:39
7:39
+0:07
40K
24.85 mi12:46:042:44:176:376:32
7:38
-0:01
25.2M
25.20 mi12:49:102:47:236:393:06
8:59
+1:21
Finish
26.22 mi12:57:402:55:536:438:30
8:20
-0:39

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

6:01 /mi

Average Pace

6:43 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:06

2% of race

Time at Steady Pace

2:16:34

78% of race

Time at Slower Pace

35:13

20% of race

Average Pace: 6:42 /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 mi10:21:3619:496:2319:49
6:23
#1735
10K
6.21 mi10:41:1739:306:2119:41
6:20
#1802
15K
9.32 mi11:01:3759:506:2520:20
6:33
#2098
20K
12.43 mi11:22:561:21:096:3221:19
6:52
#2623
Half
13.11 mi11:27:021:25:156:304:06
6:01
#2473
25K
15.53 mi11:42:081:40:216:2815:06
6:14
#2203
30K
18.64 mi12:02:012:00:146:2719:53
6:24
#1965
20M
20.00 mi12:10:562:09:096:278:55
6:34
#1922
21M
21.00 mi12:17:412:15:546:286:45
6:45
#1870
35K
21.75 mi12:22:272:20:406:284:46
6:22
#1862
23M
23.00 mi12:31:532:30:066:329:26
7:32
#2064
24M
24.00 mi12:39:322:37:456:347:39
7:39
#2282
40K
24.85 mi12:46:042:44:176:376:32
7:38
#2380
25.2M
25.20 mi12:49:102:47:236:393:06
8:59
#2489
Finish
26.22 mi12:57:402:55:536:438:30
8:20
#2897
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1735165416542901(Top 11%)2773(Top 18%)2773(Top 52%)
10K6.21 mi3.10 mi1802-671724-701724-701926(Top 7%)1845(Top 12%)1845(Top 35%)
15K9.32 mi3.11 mi2098-2962011-2872011-2872901(Top 11%)2773(Top 18%)2773(Top 52%)
20K12.43 mi3.11 mi2623-5252507-4962507-4964989(Top 19%)4622(Top 30%)4622(Top 87%)
Half13.11 mi0.68 mi2473+1502370+1372370+137813(Top 3%)772(Top 5%)772(Top 15%)
25K15.53 mi2.42 mi2203+2702112+2582112+2581075(Top 4%)1024(Top 7%)1024(Top 19%)
30K18.64 mi3.11 mi1965+2381882+2301882+2301209(Top 5%)1153(Top 8%)1153(Top 22%)
20M20.00 mi1.36 mi1922+431840+421840+421704(Top 6%)1627(Top 11%)1627(Top 31%)
21M21.00 mi1.00 mi1870+521790+501790+501277(Top 5%)1219(Top 8%)1219(Top 23%)
35K21.75 mi0.75 mi1862+81781+91781+91882(Top 7%)1788(Top 12%)1788(Top 34%)
23M23.00 mi1.25 mi2064-2021980-1991980-1996579(Top 25%)5546(Top 37%)5546(Top 105%)
24M24.00 mi1.00 mi2282-2182186-2062186-2068691(Top 33%)6709(Top 44%)6709(Top 127%)
40K24.85 mi0.85 mi2380-982276-902276-907516(Top 28%)5928(Top 39%)5928(Top 112%)
25.2M25.20 mi0.35 mi2489-1092375-992375-9912317(Top 46%)8380(Top 55%)8380(Top 159%)
Finish26.22 mi1.02 mi2897-4082745-3702745-37014301(Top 54%)9373(Top 62%)9373(Top 177%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2901

Males

2773

M18-39

2773

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1926

Males

1845

M18-39

1845

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2901

Males

2773

M18-39

2773

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4989

Males

4622

M18-39

4622

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

813

Males

772

M18-39

772

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1075

Males

1024

M18-39

1024

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1209

Males

1153

M18-39

1153

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1704

Males

1627

M18-39

1627

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1277

Males

1219

M18-39

1219

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1882

Males

1788

M18-39

1788

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6579

Males

5546

M18-39

5546

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8691

Males

6709

M18-39

6709

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7516

Males

5928

M18-39

5928

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12317

Males

8380

M18-39

8380

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

14301

Males

9373

M18-39

9373

Passing Analysis

Category:
Athletes Passed
901
Passed By
2063
Net Change
-1162
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1735
5K → 10K61128-67#1735#1802
10K → 15K9305-296#1802#2098
15K → 20K9534-525#2098#2623
20K → Half1500+150#2623#2473
Half → 25K2700+270#2473#2203
25K → 30K2446+238#2203#1965
30K → 20M5310+43#1965#1922
20M → 21M597+52#1922#1870
21M → 35K2416+8#1870#1862
35K → 23M10212-202#1862#2064
23M → 24M1219-218#2064#2282
24M → 40K8106-98#2282#2380
40K → 25.2M2111-109#2380#2489
25.2M → Finish1409-408#2489#2897
TOTALS9012063-1162
📊

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