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BOSTON MARATHON 2025

Christophe Lang

Bib: 14612•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 39%
Masters (Masters Men)
#0 / 10463
Top 26%
Division (M50-54)
#0 / 1996
Top 23%
Race Day Weather
50°/40°F
broken 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
7:15/mi
22:32
↑ 97↓ 3451.5%
10K· 6.21 mi
7:12/mi
44:54
↑ 79↓ 1380.4%
15K· 9.32 mi
7:12/mi
1:07:15
↑ 67↓ 78
20K· 12.43 mi
7:19/mi
1:29:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:34:53
↑ 19↓ 370.5%
25K· 15.53 mi
7:20/mi
1:52:41
↑ 66↓ 880.2%
30K· 18.64 mi
7:29/mi
2:15:55
↑ 181↓ 1480.2%
20M
7:36/mi
2:26:15
↑ 64↓ 500.2%
21M
7:55/mi
2:34:10
↑ 106↓ 241.6%
35K· 21.75 mi
7:08/mi
2:39:30
↑ 17↓ 861.7%
23M
7:21/mi
2:48:42
↑ 23↓ 630.6%
24M
7:04/mi
2:55:46
↓ 821.3%
40K· 24.85 mi
7:19/mi
3:02:01
↓ 200.3%
25.2M
7:53/mi
3:04:44
↑ 13↓ 160.2%
Finish· 26.22 mi
6:56/mi
3:11:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:53
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:36:55
Pace7:24 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1422:327:1522:32
7:15
-
10K
6.21 mi11:12:3644:547:1422:22
7:12
-0:03
15K
9.32 mi11:34:571:07:157:1322:21
7:12
0:00
20K
12.43 mi11:57:401:29:587:1422:43
7:19
+0:07
Half
13.11 mi12:02:351:34:537:144:55
7:12
-0:07
25K
15.53 mi12:20:231:52:417:1517:48
7:20
+0:08
30K
18.64 mi12:43:372:15:557:1723:14
7:29
+0:09
20M
20.00 mi12:53:572:26:157:1910:20
7:36
+0:07
21M
21.00 mi13:01:522:34:107:207:55
7:55
+0:19
35K
21.75 mi13:07:122:39:307:205:20
7:08
-0:47
23M
23.00 mi13:16:242:48:427:209:12
7:21
+0:13
24M
24.00 mi13:23:282:55:467:197:04
7:04
-0:17
40K
24.85 mi13:29:433:02:017:196:15
7:19
+0:15
25.2M
25.20 mi13:32:263:04:447:202:43
7:53
+0:34
Finish
26.22 mi13:39:303:11:487:197:04
6:56
-0:57

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

6:56 /mi

Average Pace

7:19 /mi

Slowest Pace

7:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:10

94% of race

Time at Steady Pace

10:38

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:19 /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 mi10:50:1422:327:1522:32
7:15
#9904
10K
6.21 mi11:12:3644:547:1422:22
7:12
#9671
15K
9.32 mi11:34:571:07:157:1322:21
7:12
#9432
20K
12.43 mi11:57:401:29:587:1422:43
7:19
#9334
Half
13.11 mi12:02:351:34:537:144:55
7:12
#9322
25K
15.53 mi12:20:231:52:417:1517:48
7:20
#9164
30K
18.64 mi12:43:372:15:557:1723:14
7:29
#8758
20M
20.00 mi12:53:572:26:157:1910:20
7:36
#8628
21M
21.00 mi13:01:522:34:107:207:55
7:55
#8468
35K
21.75 mi13:07:122:39:307:205:20
7:08
#8340
23M
23.00 mi13:16:242:48:427:209:12
7:21
#8099
24M
24.00 mi13:23:282:55:467:197:04
7:04
#7906
40K
24.85 mi13:29:433:02:017:196:15
7:19
#7762
25.2M
25.20 mi13:32:263:04:447:202:43
7:53
#7686
Finish
26.22 mi13:39:303:11:487:197:04
6:56
#7546
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9904811281129041(Top 32%)7569(Top 47%)7569(Top 379%)
10K6.21 mi3.10 mi9671+2337992+1207992+1209462(Top 33%)7850(Top 49%)7850(Top 393%)
15K9.32 mi3.11 mi9432+2397838+1547838+1549041(Top 32%)7569(Top 47%)7569(Top 379%)
20K12.43 mi3.11 mi9334+987745+937745+939119(Top 32%)7512(Top 47%)7512(Top 376%)
Half13.11 mi0.68 mi9322+127735+107735+109052(Top 32%)7484(Top 46%)7484(Top 375%)
25K15.53 mi2.42 mi9164+1587612+1237612+1238657(Top 30%)7143(Top 44%)7143(Top 358%)
30K18.64 mi3.11 mi8758+4067337+2757337+2757578(Top 27%)6330(Top 39%)6330(Top 317%)
20M20.00 mi1.36 mi8628+1307216+1217216+1217696(Top 27%)6252(Top 39%)6252(Top 313%)
21M21.00 mi1.00 mi8468+1607091+1257091+1256867(Top 24%)5601(Top 35%)5601(Top 281%)
35K21.75 mi0.75 mi8340+1286996+956996+956134(Top 22%)5156(Top 32%)5156(Top 258%)
23M23.00 mi1.25 mi8099+2416796+2006796+2005720(Top 20%)4807(Top 30%)4807(Top 241%)
24M24.00 mi1.00 mi7906+1936642+1546642+1545014(Top 18%)4271(Top 27%)4271(Top 214%)
40K24.85 mi0.85 mi7762+1446519+1236519+1235687(Top 20%)4661(Top 29%)4661(Top 234%)
25.2M25.20 mi0.35 mi7686+766456+636456+635258(Top 19%)4279(Top 27%)4279(Top 214%)
Finish26.22 mi1.02 mi7546+1406339+1176339+1175300(Top 19%)4311(Top 27%)4311(Top 216%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9041

Males

7569

M50-54

7569

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

9462

Males

7850

M50-54

7850

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9041

Males

7569

M50-54

7569

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

9119

Males

7512

M50-54

7512

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

9052

Males

7484

M50-54

7484

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8657

Males

7143

M50-54

7143

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7578

Males

6330

M50-54

6330

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7696

Males

6252

M50-54

6252

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6867

Males

5601

M50-54

5601

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6134

Males

5156

M50-54

5156

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5720

Males

4807

M50-54

4807

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

5014

Males

4271

M50-54

4271

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5687

Males

4661

M50-54

4661

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5258

Males

4279

M50-54

4279

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5300

Males

4311

M50-54

4311

Passing Analysis

Category:
Athletes Passed
2918
Passed By
559
Net Change
+2358
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9904
5K → 10K359125+233#9904#9671
10K → 15K29960+239#9671#9432
15K → 20K222124+98#9432#9334
20K → Half3321+12#9334#9322
Half → 25K22769+158#9322#9164
25K → 30K45751+406#9164#8758
30K → 20M16737+130#8758#8628
20M → 21M18626+160#8628#8468
21M → 35K1357+128#8468#8340
35K → 23M25514+241#8340#8099
23M → 24M1952+193#8099#7906
24M → 40K1528+144#7906#7762
40K → 25.2M804+76#7762#7686
25.2M → Finish15111+140#7686#7546
TOTALS2918559+2358
📊

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