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BOSTON MARATHON 2024

Thomas Welsh

Bib: 321•M

FL

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:01
Rank: #17069
Start → 5K
26:01 | 8:22/mi
10K· 6.21 mi
52:22
Rank: #17076 (-7)
5K → 10K
26:21 | 8:29/mi
15K· 9.32 mi
1:19:36
Rank: #17332 (-256)
10K → 15K
27:14 | 8:46/mi
20K· 12.43 mi
1:48:20
Rank: #17608 (-276)
15K → 20K
28:44 | 9:15/mi
Half· 13.11 mi
1:54:19
Rank: #17570 (+38)
20K → Half
5:59 | 8:46/mi
25K· 15.53 mi
2:15:55
Rank: #17099 (+471)
Half → 25K
21:36 | 8:55/mi
30K· 18.64 mi
2:44:20
Rank: #16470 (+629)
25K → 30K
28:25 | 9:09/mi
20M
2:57:05
Rank: #16275 (+195)
30K → 20M
12:45 | 9:23/mi
21M
3:06:54
Rank: #16063 (+212)
20M → 21M
9:49 | 9:49/mi
35K· 21.75 mi
3:14:08
Rank: #16068 (-5)
21M → 35K
7:14 | 9:40/mi
23M
3:26:53
Rank: #16085 (-17)
35K → 23M
12:45 | 10:11/mi
24M
3:36:57
Rank: #16102 (-17)
23M → 24M
10:04 | 10:04/mi
40K· 24.85 mi
3:45:48
Rank: #16098 (+4)
24M → 40K
8:51 | 10:21/mi
25.2M
3:49:36
Rank: #16067 (+31)
40K → 25.2M
3:48 | 11:01/mi
Finish· 26.22 mi
4:00:01
Rank: #16232 (-165)
25.2M → Finish
10:25 | 10:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:19
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:05:42
Pace9:35 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:0526:018:2226:01
8:22
-
10K
6.21 mi10:42:2652:228:2626:21
8:29
+0:07
15K
9.32 mi11:09:401:19:368:3227:14
8:46
+0:17
20K
12.43 mi11:38:241:48:208:4328:44
9:15
+0:29
Half
13.11 mi11:44:231:54:198:435:59
8:46
-0:29
25K
15.53 mi12:05:592:15:558:4521:36
8:55
+0:09
30K
18.64 mi12:34:242:44:208:4928:25
9:09
+0:14
20M
20.00 mi12:47:092:57:058:5112:45
9:23
+0:14
21M
21.00 mi12:56:583:06:548:549:49
9:49
+0:26
35K
21.75 mi13:04:123:14:088:567:14
9:40
-0:09
23M
23.00 mi13:16:573:26:539:0012:45
10:11
+0:31
24M
24.00 mi13:27:013:36:579:0210:04
10:04
-0:07
40K
24.85 mi13:35:523:45:489:058:51
10:21
+0:17
25.2M
25.20 mi13:39:403:49:369:073:48
11:01
+0:40
Finish
26.22 mi13:50:054:00:019:1010:25
10:13
-0:48

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

8:22 /mi

Average Pace

9:10 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:11

45% of race

Time at Steady Pace

1:17:08

32% of race

Time at Slower Pace

55:42

23% of race

Average Pace: 9:09 /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 mi10:16:0526:018:2226:01
8:22
#17069
10K
6.21 mi10:42:2652:228:2626:21
8:29
#17076
15K
9.32 mi11:09:401:19:368:3227:14
8:46
#17332
20K
12.43 mi11:38:241:48:208:4328:44
9:15
#17608
Half
13.11 mi11:44:231:54:198:435:59
8:46
#17570
25K
15.53 mi12:05:592:15:558:4521:36
8:55
#17099
30K
18.64 mi12:34:242:44:208:4928:25
9:09
#16470
20M
20.00 mi12:47:092:57:058:5112:45
9:23
#16275
21M
21.00 mi12:56:583:06:548:549:49
9:49
#16063
35K
21.75 mi13:04:123:14:088:567:14
9:40
#16068
23M
23.00 mi13:16:573:26:539:0012:45
10:11
#16085
24M
24.00 mi13:27:013:36:579:0210:04
10:04
#16102
40K
24.85 mi13:35:523:45:489:058:51
10:21
#16098
25.2M
25.20 mi13:39:403:49:369:073:48
11:01
#16067
Finish
26.22 mi13:50:054:00:019:1010:25
10:13
#16232
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17069108221082217797(Top 70%)11162(Top 77%)11162(Top 230%)
10K6.21 mi3.10 mi17076-710845-2310845-2317142(Top 67%)10883(Top 75%)10883(Top 224%)
15K9.32 mi3.11 mi17332-25610953-10810953-10817797(Top 70%)11162(Top 77%)11162(Top 230%)
20K12.43 mi3.11 mi17608-27611046-9311046-9318373(Top 72%)11414(Top 78%)11414(Top 235%)
Half13.11 mi0.68 mi17570+3811022+2411022+2417153(Top 67%)10796(Top 74%)10796(Top 223%)
25K15.53 mi2.42 mi17099+47110806+21610806+21615087(Top 59%)9826(Top 67%)9826(Top 203%)
30K18.64 mi3.11 mi16470+62910480+32610480+32613940(Top 55%)9101(Top 62%)9101(Top 188%)
20M20.00 mi1.36 mi16275+19510368+11210368+11214004(Top 55%)8851(Top 61%)8851(Top 183%)
21M21.00 mi1.00 mi16063+21210239+12910239+12912202(Top 48%)7817(Top 54%)7817(Top 161%)
35K21.75 mi0.75 mi16068-510219+2010219+2016074(Top 63%)9654(Top 66%)9654(Top 199%)
23M23.00 mi1.25 mi16085-1710193+2610193+2616053(Top 63%)9594(Top 66%)9594(Top 198%)
24M24.00 mi1.00 mi16102-1710168+2510168+2516521(Top 65%)9781(Top 67%)9781(Top 202%)
40K24.85 mi0.85 mi16098+410144+2410144+2416208(Top 63%)9570(Top 66%)9570(Top 197%)
25.2M25.20 mi0.35 mi16067+3110116+2810116+2814540(Top 57%)8708(Top 60%)8708(Top 180%)
Finish26.22 mi1.02 mi16232-16510155-3910155-3919139(Top 75%)11050(Top 76%)11050(Top 228%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

17797

Males

11162

M18-39

11162

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17142

Males

10883

M18-39

10883

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

17797

Males

11162

M18-39

11162

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

18373

Males

11414

M18-39

11414

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17153

Males

10796

M18-39

10796

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15087

Males

9826

M18-39

9826

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

13940

Males

9101

M18-39

9101

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

14004

Males

8851

M18-39

8851

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12202

Males

7817

M18-39

7817

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16074

Males

9654

M18-39

9654

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

16053

Males

9594

M18-39

9594

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

16521

Males

9781

M18-39

9781

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16208

Males

9570

M18-39

9570

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

14540

Males

8708

M18-39

8708

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19139

Males

11050

M18-39

11050

Passing Analysis

Category:
Athletes Passed
2676
Passed By
1839
Net Change
+837
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17069
5K → 10K260267-7#17069#17076
10K → 15K169425-256#17076#17332
15K → 20K176452-276#17332#17608
20K → Half5921+38#17608#17570
Half → 25K48918+471#17570#17099
25K → 30K65223+629#17099#16470
30K → 20M21924+195#16470#16275
20M → 21M23018+212#16275#16063
21M → 35K6368-5#16063#16068
35K → 23M103120-17#16068#16085
23M → 24M7895-17#16085#16102
24M → 40K8480+4#16102#16098
40K → 25.2M5120+31#16098#16067
25.2M → Finish43208-165#16067#16232
TOTALS26761839+837
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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