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BOSTON MARATHON 2023

Jason Swan

Bib: 8292•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 33%
Masters (Masters Men)
#0 / 9891
Top 18%
Division (M45-49)
#0 / 2252
Top 22%
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
6:51/mi
21:16
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
42:49
↑ 79↓ 1380.4%
15K· 9.32 mi
7:03/mi
1:04:44
↑ 67↓ 78
20K· 12.43 mi
7:02/mi
1:26:36
↑ 106↓ 860.1%
Half· 13.11 mi
7:01/mi
1:31:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:07/mi
1:48:38
↑ 66↓ 880.2%
30K· 18.64 mi
7:12/mi
2:11:00
↑ 181↓ 1480.2%
20M
7:10/mi
2:20:45
↑ 64↓ 500.2%
21M
7:43/mi
2:28:28
↑ 106↓ 241.6%
35K· 21.75 mi
7:00/mi
2:33:42
↑ 17↓ 861.7%
23M
7:14/mi
2:42:46
↑ 23↓ 630.6%
24M
7:00/mi
2:49:46
↓ 821.3%
40K· 24.85 mi
7:10/mi
2:55:54
↓ 200.3%
25.2M
7:41/mi
2:58:33
↑ 13↓ 160.2%
Finish· 26.22 mi
7:03/mi
3:05:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:23
Pace6:58 /mi
2nd Half
Distance13.11 mi
Time1:34:21
Pace7:12 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1821:166:5121:16
6:51
-
10K
6.21 mi11:07:5142:496:5321:33
6:56
+0:05
15K
9.32 mi11:29:461:04:446:5721:55
7:03
+0:07
20K
12.43 mi11:51:381:26:366:5821:52
7:02
-0:01
Half
13.11 mi11:56:251:31:236:584:47
7:01
-0:01
25K
15.53 mi12:13:401:48:387:0017:15
7:07
+0:06
30K
18.64 mi12:36:022:11:007:0222:22
7:12
+0:05
20M
20.00 mi12:45:472:20:457:029:45
7:10
-0:02
21M
21.00 mi12:53:302:28:287:047:43
7:43
+0:33
35K
21.75 mi12:58:442:33:427:045:14
7:00
-0:43
23M
23.00 mi13:07:482:42:467:059:04
7:14
+0:14
24M
24.00 mi13:14:482:49:467:047:00
7:00
-0:14
40K
24.85 mi13:20:562:55:547:056:08
7:10
+0:10
25.2M
25.20 mi13:23:352:58:337:052:39
7:41
+0:31
Finish
26.22 mi13:30:463:05:447:057:11
7:03
-0:38

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

6:51 /mi

Average Pace

7:05 /mi

Slowest Pace

7:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:22

94% of race

Time at Steady Pace

10:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:05 /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 mi10:46:1821:166:5121:16
6:51
#5108
10K
6.21 mi11:07:5142:496:5321:33
6:56
#5750
15K
9.32 mi11:29:461:04:446:5721:55
7:03
#6155
20K
12.43 mi11:51:381:26:366:5821:52
7:02
#6148
Half
13.11 mi11:56:251:31:236:584:47
7:01
#6179
25K
15.53 mi12:13:401:48:387:0017:15
7:07
#6178
30K
18.64 mi12:36:022:11:007:0222:22
7:12
#5985
20M
20.00 mi12:45:472:20:457:029:45
7:10
#5876
21M
21.00 mi12:53:302:28:287:047:43
7:43
#5815
35K
21.75 mi12:58:442:33:427:045:14
7:00
#5782
23M
23.00 mi13:07:482:42:467:059:04
7:14
#5669
24M
24.00 mi13:14:482:49:467:047:00
7:00
#5585
40K
24.85 mi13:20:562:55:547:056:08
7:10
#5506
25.2M
25.20 mi13:23:352:58:337:052:39
7:41
#5466
Finish
26.22 mi13:30:463:05:447:057:11
7:03
#5415
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5108473947396868(Top 26%)6141(Top 40%)6141(Top 273%)
10K6.21 mi3.10 mi5750-6425283-5445283-5446382(Top 24%)5762(Top 38%)5762(Top 256%)
15K9.32 mi3.11 mi6155-4055598-3155598-3156868(Top 26%)6141(Top 40%)6141(Top 273%)
20K12.43 mi3.11 mi6148+75591+75591+76199(Top 23%)5620(Top 37%)5620(Top 250%)
Half13.11 mi0.68 mi6179-315618-275618-276543(Top 25%)5883(Top 39%)5883(Top 261%)
25K15.53 mi2.42 mi6178+15612+65612+66180(Top 23%)5571(Top 37%)5571(Top 247%)
30K18.64 mi3.11 mi5985+1935457+1555457+1555489(Top 21%)4986(Top 33%)4986(Top 221%)
20M20.00 mi1.36 mi5876+1095363+945363+944989(Top 19%)4535(Top 30%)4535(Top 201%)
21M21.00 mi1.00 mi5815+615301+625301+625705(Top 21%)4977(Top 33%)4977(Top 221%)
35K21.75 mi0.75 mi5782+335272+295272+295306(Top 20%)4734(Top 31%)4734(Top 210%)
23M23.00 mi1.25 mi5669+1135169+1035169+1034993(Top 19%)4463(Top 29%)4463(Top 198%)
24M24.00 mi1.00 mi5585+845090+795090+794681(Top 18%)4195(Top 28%)4195(Top 186%)
40K24.85 mi0.85 mi5506+795017+735017+734740(Top 18%)4167(Top 27%)4167(Top 185%)
25.2M25.20 mi0.35 mi5466+404983+344983+344790(Top 18%)4143(Top 27%)4143(Top 184%)
Finish26.22 mi1.02 mi5415+514935+484935+485488(Top 21%)4580(Top 30%)4580(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

6868

Males

6141

M45-49

6141

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6382

Males

5762

M45-49

5762

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

6868

Males

6141

M45-49

6141

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6199

Males

5620

M45-49

5620

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6543

Males

5883

M45-49

5883

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6180

Males

5571

M45-49

5571

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5489

Males

4986

M45-49

4986

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

4989

Males

4535

M45-49

4535

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5705

Males

4977

M45-49

4977

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5306

Males

4734

M45-49

4734

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

4993

Males

4463

M45-49

4463

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

4681

Males

4195

M45-49

4195

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4740

Males

4167

M45-49

4167

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4790

Males

4143

M45-49

4143

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5488

Males

4580

M45-49

4580

Passing Analysis

Category:
Athletes Passed
1155
Passed By
1462
Net Change
-307
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5108
5K → 10K39681-642#5108#5750
10K → 15K23428-405#5750#6155
15K → 20K9891+7#6155#6148
20K → Half940-31#6148#6179
Half → 25K8079+1#6179#6178
25K → 30K22532+193#6178#5985
30K → 20M1189+109#5985#5876
20M → 21M8524+61#5876#5815
21M → 35K4613+33#5815#5782
35K → 23M12916+113#5782#5669
23M → 24M939+84#5669#5585
24M → 40K8910+79#5585#5506
40K → 25.2M444+40#5506#5466
25.2M → Finish7726+51#5466#5415
TOTALS11551462-307
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing