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BOSTON MARATHON 2024

Chris Swiecicki

Bib: 9661•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 45%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 47%
Division (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
7:24/mi
22:58
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:33/mi
1:09:47
↑ 67↓ 78
20K· 12.43 mi
7:39/mi
1:33:33
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:38:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:47/mi
1:57:35
↑ 66↓ 880.2%
30K· 18.64 mi
8:33/mi
2:24:08
↑ 181↓ 1480.2%
20M
8:50/mi
2:36:08
↑ 64↓ 500.2%
21M
9:22/mi
2:45:30
↑ 106↓ 241.6%
35K· 21.75 mi
11:16/mi
2:53:56
↑ 17↓ 861.7%
23M
9:57/mi
3:06:23
↑ 23↓ 630.6%
24M
9:44/mi
3:16:07
↓ 821.3%
40K· 24.85 mi
9:54/mi
3:24:35
↓ 200.3%
25.2M
10:23/mi
3:28:10
↑ 13↓ 160.2%
Finish· 26.22 mi
9:28/mi
3:37:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:42
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:59:07
Pace9:05 /mi
📊Positive Split: 20.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0022:587:2422:58
7:24
-
10K
6.21 mi11:12:2146:197:2723:21
7:31
+0:07
15K
9.32 mi11:35:491:09:477:2923:28
7:33
+0:02
20K
12.43 mi11:59:351:33:337:3223:46
7:39
+0:06
Half
13.11 mi12:04:441:38:427:325:09
7:33
-0:06
25K
15.53 mi12:23:371:57:357:3418:53
7:47
+0:14
30K
18.64 mi12:50:102:24:087:4426:33
8:33
+0:46
20M
20.00 mi13:02:102:36:087:4812:00
8:50
+0:17
21M
21.00 mi13:11:322:45:307:539:22
9:22
+0:32
35K
21.75 mi13:19:582:53:568:008:26
11:16
+1:54
23M
23.00 mi13:32:253:06:238:0612:27
9:57
-1:19
24M
24.00 mi13:42:093:16:078:109:44
9:44
-0:13
40K
24.85 mi13:50:373:24:358:148:28
9:54
+0:10
25.2M
25.20 mi13:54:123:28:108:163:35
10:23
+0:29
Finish
26.22 mi14:03:513:37:498:199:39
9:28
-0:55

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

7:24 /mi

Average Pace

8:19 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:35

54% of race

Time at Steady Pace

47:55

22% of race

Time at Slower Pace

52:19

24% of race

Average Pace: 8:18 /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 mi10:49:0022:587:2422:58
7:24
#9860
10K
6.21 mi11:12:2146:197:2723:21
7:31
#10067
15K
9.32 mi11:35:491:09:477:2923:28
7:33
#10061
20K
12.43 mi11:59:351:33:337:3223:46
7:39
#9842
Half
13.11 mi12:04:441:38:427:325:09
7:33
#9800
25K
15.53 mi12:23:371:57:357:3418:53
7:47
#9584
30K
18.64 mi12:50:102:24:087:4426:33
8:33
#9773
20M
20.00 mi13:02:102:36:087:4812:00
8:50
#9832
21M
21.00 mi13:11:322:45:307:539:22
9:22
#9812
35K
21.75 mi13:19:582:53:568:008:26
11:16
#10468
23M
23.00 mi13:32:253:06:238:0612:27
9:57
#10820
24M
24.00 mi13:42:093:16:078:109:44
9:44
#11048
40K
24.85 mi13:50:373:24:358:148:28
9:54
#11203
25.2M
25.20 mi13:54:123:28:108:163:35
10:23
#11213
Finish
26.22 mi14:03:513:37:498:199:39
9:28
#11438
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi98607882788210055(Top 39%)7830(Top 54%)7830(Top 353%)
10K6.21 mi3.10 mi10067-2077970-887970-8810401(Top 41%)8077(Top 55%)8077(Top 364%)
15K9.32 mi3.11 mi10061+67917+537917+5310055(Top 39%)7830(Top 54%)7830(Top 353%)
20K12.43 mi3.11 mi9842+2197756+1617756+1619404(Top 37%)7361(Top 50%)7361(Top 332%)
Half13.11 mi0.68 mi9800+427720+367720+369464(Top 37%)7417(Top 51%)7417(Top 334%)
25K15.53 mi2.42 mi9584+2167560+1607560+1608848(Top 35%)6906(Top 47%)6906(Top 311%)
30K18.64 mi3.11 mi9773-1897555+57555+510877(Top 43%)7730(Top 53%)7730(Top 349%)
20M20.00 mi1.36 mi9832-597521+347521+3411215(Top 44%)7594(Top 52%)7594(Top 342%)
21M21.00 mi1.00 mi9812+207459+627459+6210243(Top 40%)6867(Top 47%)6867(Top 310%)
35K21.75 mi0.75 mi10468-6567747-2887747-28820371(Top 80%)11793(Top 81%)11793(Top 532%)
23M23.00 mi1.25 mi10820-3527858-1117858-11115264(Top 60%)9173(Top 63%)9173(Top 414%)
24M24.00 mi1.00 mi11048-2287912-547912-5415362(Top 60%)9189(Top 63%)9189(Top 414%)
40K24.85 mi0.85 mi11203-1557938-267938-2614636(Top 57%)8766(Top 60%)8766(Top 395%)
25.2M25.20 mi0.35 mi11213-107923+157923+1512393(Top 49%)7562(Top 52%)7562(Top 341%)
Finish26.22 mi1.02 mi11438-2257981-587981-5816360(Top 64%)9628(Top 66%)9628(Top 434%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10055

Males

7830

M45-49

7830

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10401

Males

8077

M45-49

8077

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10055

Males

7830

M45-49

7830

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9404

Males

7361

M45-49

7361

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9464

Males

7417

M45-49

7417

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

8848

Males

6906

M45-49

6906

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

10877

Males

7730

M45-49

7730

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11215

Males

7594

M45-49

7594

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10243

Males

6867

M45-49

6867

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

20371

Males

11793

M45-49

11793

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15264

Males

9173

M45-49

9173

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

15362

Males

9189

M45-49

9189

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

14636

Males

8766

M45-49

8766

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12393

Males

7562

M45-49

7562

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

16360

Males

9628

M45-49

9628

Passing Analysis

Category:
Athletes Passed
1855
Passed By
3426
Net Change
-1578
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9860
5K → 10K188394-207#9860#10067
10K → 15K218212+6#10067#10061
15K → 20K325106+219#10061#9842
20K → Half5715+42#9842#9800
Half → 25K327110+216#9800#9584
25K → 30K199387-189#9584#9773
30K → 20M135193-59#9773#9832
20M → 21M136115+20#9832#9812
21M → 35K13667-656#9812#10468
35K → 23M65417-352#10468#10820
23M → 24M49277-228#10820#11048
24M → 40K61216-155#11048#11203
40K → 25.2M3646-10#11203#11213
25.2M → Finish46271-225#11213#11438
TOTALS18553426-1578
📊

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