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BOSTON MARATHON 2024

Brian Welch

Bib: 8980•M

DE

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 12%
Gender (Male)
#0 / 14578
Top 20%
Division (M18-39)
#0 / 4849
Top 41%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
21:44
Rank: #7000
Start → 5K
21:44 | 7:00/mi
10K· 6.21 mi
43:34
Rank: #6901 (+99)
5K → 10K
21:50 | 7:02/mi
15K· 9.32 mi
1:05:03
Rank: #6468 (+433)
10K → 15K
21:29 | 6:55/mi
20K· 12.43 mi
1:26:42
Rank: #6021 (+447)
15K → 20K
21:39 | 6:58/mi
Half· 13.11 mi
1:31:26
Rank: #5968 (+53)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
1:48:11
Rank: #5497 (+471)
Half → 25K
16:45 | 6:55/mi
30K· 18.64 mi
2:09:47
Rank: #4801 (+696)
25K → 30K
21:36 | 6:57/mi
20M
2:19:11
Rank: #4462 (+339)
30K → 20M
9:24 | 6:55/mi
21M
2:26:27
Rank: #4156 (+306)
20M → 21M
7:16 | 7:16/mi
35K· 21.75 mi
2:31:22
Rank: #3979 (+177)
21M → 35K
4:55 | 6:34/mi
23M
2:39:51
Rank: #3666 (+313)
35K → 23M
8:29 | 6:47/mi
24M
2:46:22
Rank: #3446 (+220)
23M → 24M
6:31 | 6:31/mi
40K· 24.85 mi
2:52:13
Rank: #3307 (+139)
24M → 40K
5:51 | 6:51/mi
25.2M
2:54:48
Rank: #3255 (+52)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:01:31
Rank: #3109 (+146)
25.2M → Finish
6:43 | 6:35/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:31:26
Pace6:58 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:30:05
Pace6:52 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5421:447:0021:44
7:00
-
10K
6.21 mi11:08:4443:347:0121:50
7:02
+0:02
15K
9.32 mi11:30:131:05:036:5921:29
6:55
-0:07
20K
12.43 mi11:51:521:26:426:5921:39
6:58
+0:03
Half
13.11 mi11:56:361:31:266:584:44
6:56
-0:02
25K
15.53 mi12:13:211:48:116:5816:45
6:55
-0:01
30K
18.64 mi12:34:572:09:476:5821:36
6:57
+0:02
20M
20.00 mi12:44:212:19:116:589:24
6:55
-0:02
21M
21.00 mi12:51:372:26:276:587:16
7:16
+0:21
35K
21.75 mi12:56:322:31:226:584:55
6:34
-0:42
23M
23.00 mi13:05:012:39:516:578:29
6:47
+0:13
24M
24.00 mi13:11:322:46:226:566:31
6:31
-0:16
40K
24.85 mi13:17:232:52:136:565:51
6:51
+0:20
25.2M
25.20 mi13:19:582:54:486:562:35
7:29
+0:38
Finish
26.22 mi13:26:413:01:316:566:43
6:35
-0:54

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

6:31 /mi

Average Pace

6:56 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:51:40

95% of race

Time at Steady Pace

9:51

5% of race

Time at Slower Pace

0:00

0% 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:46:5421:447:0021:44
7:00
#7000
10K
6.21 mi11:08:4443:347:0121:50
7:02
#6901
15K
9.32 mi11:30:131:05:036:5921:29
6:55
#6468
20K
12.43 mi11:51:521:26:426:5921:39
6:58
#6021
Half
13.11 mi11:56:361:31:266:584:44
6:56
#5968
25K
15.53 mi12:13:211:48:116:5816:45
6:55
#5497
30K
18.64 mi12:34:572:09:476:5821:36
6:57
#4801
20M
20.00 mi12:44:212:19:116:589:24
6:55
#4462
21M
21.00 mi12:51:372:26:276:587:16
7:16
#4156
35K
21.75 mi12:56:322:31:226:584:55
6:34
#3979
23M
23.00 mi13:05:012:39:516:578:29
6:47
#3666
24M
24.00 mi13:11:322:46:226:566:31
6:31
#3446
40K
24.85 mi13:17:232:52:136:565:51
6:51
#3307
25.2M
25.20 mi13:19:582:54:486:562:35
7:29
#3255
Finish
26.22 mi13:26:413:01:316:566:43
6:35
#3109
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7000617161715647(Top 22%)5120(Top 35%)5120(Top 106%)
10K6.21 mi3.10 mi6901+996070+1016070+1016826(Top 27%)5994(Top 41%)5994(Top 124%)
15K9.32 mi3.11 mi6468+4335751+3195751+3195647(Top 22%)5120(Top 35%)5120(Top 106%)
20K12.43 mi3.11 mi6021+4475413+3385413+3385036(Top 20%)4598(Top 32%)4598(Top 95%)
Half13.11 mi0.68 mi5968+535369+445369+445330(Top 21%)4814(Top 33%)4814(Top 99%)
25K15.53 mi2.42 mi5497+4714999+3704999+3703843(Top 15%)3565(Top 24%)3565(Top 74%)
30K18.64 mi3.11 mi4801+6964402+5974402+5972627(Top 10%)2463(Top 17%)2463(Top 51%)
20M20.00 mi1.36 mi4462+3394106+2964106+2962041(Top 8%)1919(Top 13%)1919(Top 40%)
21M21.00 mi1.00 mi4156+3063842+2643842+2641766(Top 7%)1655(Top 11%)1655(Top 34%)
35K21.75 mi0.75 mi3979+1773678+1643678+1641484(Top 6%)1396(Top 10%)1396(Top 29%)
23M23.00 mi1.25 mi3666+3133398+2803398+2801259(Top 5%)1188(Top 8%)1188(Top 24%)
24M24.00 mi1.00 mi3446+2203192+2063192+206997(Top 4%)931(Top 6%)931(Top 19%)
40K24.85 mi0.85 mi3307+1393069+1233069+1231435(Top 6%)1319(Top 9%)1319(Top 27%)
25.2M25.20 mi0.35 mi3255+523020+493020+491438(Top 6%)1310(Top 9%)1310(Top 27%)
Finish26.22 mi1.02 mi3109+1462882+1382882+1381647(Top 6%)1467(Top 10%)1467(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5647

Males

5120

M18-39

5120

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

6826

Males

5994

M18-39

5994

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5647

Males

5120

M18-39

5120

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5036

Males

4598

M18-39

4598

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5330

Males

4814

M18-39

4814

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3843

Males

3565

M18-39

3565

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2627

Males

2463

M18-39

2463

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2041

Males

1919

M18-39

1919

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1766

Males

1655

M18-39

1655

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1484

Males

1396

M18-39

1396

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1259

Males

1188

M18-39

1188

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

997

Males

931

M18-39

931

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1435

Males

1319

M18-39

1319

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1438

Males

1310

M18-39

1310

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1647

Males

1467

M18-39

1467

Passing Analysis

Category:
Athletes Passed
4065
Passed By
174
Net Change
+3891
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7000
5K → 10K227128+99#7000#6901
10K → 15K44916+433#6901#6468
15K → 20K45811+447#6468#6021
20K → Half607+53#6021#5968
Half → 25K4732+471#5968#5497
25K → 30K7004+696#5497#4801
30K → 20M3401+339#4801#4462
20M → 21M3060+306#4462#4156
21M → 35K1770+177#4156#3979
35K → 23M3130+313#3979#3666
23M → 24M2200+220#3666#3446
24M → 40K1401+139#3446#3307
40K → 25.2M553+52#3307#3255
25.2M → Finish1471+146#3255#3109
TOTALS4065174+3891
📊

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