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BOSTON MARATHON 2025

Brian Lang

Bib: 6190•M

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:13
Rank: #3894
Start → 5K
20:13 | 6:30/mi
10K· 6.21 mi
40:13
Rank: #3566 (+328)
5K → 10K
20:00 | 6:26/mi
15K· 9.32 mi
1:00:22
Rank: #3525 (+41)
10K → 15K
20:09 | 6:29/mi
20K· 12.43 mi
1:20:29
Rank: #3336 (+189)
15K → 20K
20:07 | 6:28/mi
Half· 13.11 mi
1:24:51
Rank: #3321 (+15)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:40:32
Rank: #3211 (+110)
Half → 25K
15:41 | 6:28/mi
30K· 18.64 mi
2:00:26
Rank: #2790 (+421)
25K → 30K
19:54 | 6:24/mi
20M
2:09:08
Rank: #2613 (+177)
30K → 20M
8:42 | 6:24/mi
21M
2:15:47
Rank: #2471 (+142)
20M → 21M
6:39 | 6:39/mi
35K· 21.75 mi
2:20:23
Rank: #2375 (+96)
21M → 35K
4:36 | 6:09/mi
23M
2:28:23
Rank: #2271 (+104)
35K → 23M
8:00 | 6:23/mi
24M
2:34:37
Rank: #2172 (+99)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:39:47
Rank: #2039 (+133)
24M → 40K
5:10 | 6:03/mi
25.2M
2:41:58
Rank: #1981 (+58)
40K → 25.2M
2:11 | 6:20/mi
Finish· 26.22 mi
2:47:39
Rank: #1813 (+168)
25.2M → Finish
5:41 | 5:35/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:24:51
Pace6:28 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:22:48
Pace6:19 /mi
📊Negative Split: 2.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2420:136:3020:13
6:30
-
10K
6.21 mi10:44:2440:136:2820:00
6:26
-0:04
15K
9.32 mi11:04:331:00:226:2920:09
6:29
+0:03
20K
12.43 mi11:24:401:20:296:2920:07
6:28
-0:01
Half
13.11 mi11:29:021:24:516:284:22
6:24
-0:04
25K
15.53 mi11:44:431:40:326:2815:41
6:28
+0:04
30K
18.64 mi12:04:372:00:266:2819:54
6:24
-0:04
20M
20.00 mi12:13:192:09:086:278:42
6:24
0:00
21M
21.00 mi12:19:582:15:476:286:39
6:39
+0:15
35K
21.75 mi12:24:342:20:236:274:36
6:09
-0:30
23M
23.00 mi12:32:342:28:236:278:00
6:23
+0:14
24M
24.00 mi12:38:482:34:376:276:14
6:14
-0:09
40K
24.85 mi12:43:582:39:476:265:10
6:03
-0:11
25.2M
25.20 mi12:46:092:41:586:262:11
6:20
+0:17
Finish
26.22 mi12:51:502:47:396:245:41
5:35
-0:45

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

5:35 /mi

Average Pace

6:24 /mi

Slowest Pace

6:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

10:51

6% of race

Time at Steady Pace

2:30:09

90% of race

Time at Slower Pace

6:39

4% of race

Average Pace: 6:24 /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 mi10:24:2420:136:3020:13
6:30
#3894
10K
6.21 mi10:44:2440:136:2820:00
6:26
#3566
15K
9.32 mi11:04:331:00:226:2920:09
6:29
#3525
20K
12.43 mi11:24:401:20:296:2920:07
6:28
#3336
Half
13.11 mi11:29:021:24:516:284:22
6:24
#3321
25K
15.53 mi11:44:431:40:326:2815:41
6:28
#3211
30K
18.64 mi12:04:372:00:266:2819:54
6:24
#2790
20M
20.00 mi12:13:192:09:086:278:42
6:24
#2613
21M
21.00 mi12:19:582:15:476:286:39
6:39
#2471
35K
21.75 mi12:24:342:20:236:274:36
6:09
#2375
23M
23.00 mi12:32:342:28:236:278:00
6:23
#2271
24M
24.00 mi12:38:482:34:376:276:14
6:14
#2172
40K
24.85 mi12:43:582:39:476:265:10
6:03
#2039
25.2M
25.20 mi12:46:092:41:586:262:11
6:20
#1981
Finish
26.22 mi12:51:502:47:396:245:41
5:35
#1813
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3894368636863468(Top 12%)3284(Top 20%)3284(Top 58%)
10K6.21 mi3.10 mi3566+3283382+3043382+3043288(Top 12%)3125(Top 19%)3125(Top 55%)
15K9.32 mi3.11 mi3525+413343+393343+393468(Top 12%)3284(Top 20%)3284(Top 58%)
20K12.43 mi3.11 mi3336+1893173+1703173+1702973(Top 10%)2830(Top 18%)2830(Top 50%)
Half13.11 mi0.68 mi3321+153158+153158+153067(Top 11%)2928(Top 18%)2928(Top 52%)
25K15.53 mi2.42 mi3211+1103058+1003058+1002716(Top 10%)2584(Top 16%)2584(Top 46%)
30K18.64 mi3.11 mi2790+4212660+3982660+3981590(Top 6%)1507(Top 9%)1507(Top 27%)
20M20.00 mi1.36 mi2613+1772495+1652495+1651268(Top 4%)1199(Top 7%)1199(Top 21%)
21M21.00 mi1.00 mi2471+1422358+1372358+1371075(Top 4%)1018(Top 6%)1018(Top 18%)
35K21.75 mi0.75 mi2375+962264+942264+941102(Top 4%)1040(Top 6%)1040(Top 18%)
23M23.00 mi1.25 mi2271+1042163+1012163+1011110(Top 4%)1050(Top 7%)1050(Top 19%)
24M24.00 mi1.00 mi2172+992065+982065+981133(Top 4%)1066(Top 7%)1066(Top 19%)
40K24.85 mi0.85 mi2039+1331935+1301935+130464(Top 2%)432(Top 3%)432(Top 8%)
25.2M25.20 mi0.35 mi1981+581879+561879+56268(Top 0.9%)249(Top 2%)249(Top 4%)
Finish26.22 mi1.02 mi1813+1681715+1641715+164213(Top 0.7%)201(Top 1%)201(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3468

Males

3284

M18-39

3284

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3288

Males

3125

M18-39

3125

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3468

Males

3284

M18-39

3284

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2973

Males

2830

M18-39

2830

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3067

Males

2928

M18-39

2928

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2716

Males

2584

M18-39

2584

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1590

Males

1507

M18-39

1507

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1268

Males

1199

M18-39

1199

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1075

Males

1018

M18-39

1018

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1102

Males

1040

M18-39

1040

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1110

Males

1050

M18-39

1050

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1133

Males

1066

M18-39

1066

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

464

Males

432

M18-39

432

40K→25.2M

24.9 - 25.2 mi

Top 0.9%
×1story
+13ft-16ft

Overall

268

Males

249

M18-39

249

25.2M→Finish

25.2 - 26.2 mi

Top 0.7%
×2stories
+22ft-21ft

Overall

213

Males

201

M18-39

201

Passing Analysis

Category:
Athletes Passed
2251
Passed By
170
Net Change
+2081
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3894
5K → 10K36537+328#3894#3566
10K → 15K11877+41#3566#3525
15K → 20K20819+189#3525#3336
20K → Half227+15#3336#3321
Half → 25K12818+110#3321#3211
25K → 30K4243+421#3211#2790
30K → 20M1781+177#2790#2613
20M → 21M1431+142#2613#2471
21M → 35K971+96#2471#2375
35K → 23M1062+104#2375#2271
23M → 24M1023+99#2271#2172
24M → 40K1330+133#2172#2039
40K → 25.2M580+58#2039#1981
25.2M → Finish1691+168#1981#1813
TOTALS2251170+2081
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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