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BOSTON MARATHON 2025

Al Langfald

Bib: 6325•M

IA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
Age Group (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
21:03
Rank: #6110
Start → 5K
21:03 | 6:47/mi
10K· 6.21 mi
42:12
Rank: #6215 (-105)
5K → 10K
21:09 | 6:48/mi
15K· 9.32 mi
1:03:15
Rank: #6047 (+168)
10K → 15K
21:03 | 6:47/mi
20K· 12.43 mi
1:24:29
Rank: #5925 (+122)
15K → 20K
21:14 | 6:50/mi
Half· 13.11 mi
1:29:06
Rank: #5917 (+8)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:45:41
Rank: #5739 (+178)
Half → 25K
16:35 | 6:50/mi
30K· 18.64 mi
2:07:26
Rank: #5484 (+255)
25K → 30K
21:45 | 7:00/mi
20M
2:16:57
Rank: #5342 (+142)
30K → 20M
9:31 | 7:00/mi
21M
2:24:19
Rank: #5208 (+134)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:29:27
Rank: #5164 (+44)
21M → 35K
5:08 | 6:52/mi
23M
2:38:11
Rank: #5025 (+139)
35K → 23M
8:44 | 6:59/mi
24M
2:45:00
Rank: #4940 (+85)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:50:49
Rank: #4806 (+134)
24M → 40K
5:49 | 6:48/mi
25.2M
2:53:27
Rank: #4782 (+24)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:59:50
Rank: #4637 (+145)
25.2M → Finish
6:23 | 6:16/mi
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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:06
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:30:44
Pace6:55 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0221:036:4721:03
6:47
-
10K
6.21 mi10:48:1142:126:4721:09
6:48
+0:01
15K
9.32 mi11:09:141:03:156:4721:03
6:47
-0:01
20K
12.43 mi11:30:281:24:296:4821:14
6:50
+0:03
Half
13.11 mi11:35:051:29:066:484:37
6:46
-0:04
25K
15.53 mi11:51:401:45:416:4816:35
6:50
+0:04
30K
18.64 mi12:13:252:07:266:5021:45
7:00
+0:10
20M
20.00 mi12:22:562:16:576:519:31
7:00
0:00
21M
21.00 mi12:30:182:24:196:527:22
7:22
+0:22
35K
21.75 mi12:35:262:29:276:525:08
6:52
-0:30
23M
23.00 mi12:44:102:38:116:538:44
6:59
+0:07
24M
24.00 mi12:50:592:45:006:536:49
6:49
-0:10
40K
24.85 mi12:56:482:50:496:525:49
6:48
-0:01
25.2M
25.20 mi12:59:262:53:276:532:38
7:38
+0:50
Finish
26.22 mi13:05:492:59:506:526:23
6:16
-1:22

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:16 /mi

Average Pace

6:52 /mi

Slowest Pace

7:38 /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

6:23

4% of race

Time at Steady Pace

2:03:27

69% of race

Time at Slower Pace

50:00

28% of race

Average Pace: 6:52 /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 mi10:27:0221:036:4721:03
6:47
#6110
10K
6.21 mi10:48:1142:126:4721:09
6:48
#6215
15K
9.32 mi11:09:141:03:156:4721:03
6:47
#6047
20K
12.43 mi11:30:281:24:296:4821:14
6:50
#5925
Half
13.11 mi11:35:051:29:066:484:37
6:46
#5917
25K
15.53 mi11:51:401:45:416:4816:35
6:50
#5739
30K
18.64 mi12:13:252:07:266:5021:45
7:00
#5484
20M
20.00 mi12:22:562:16:576:519:31
7:00
#5342
21M
21.00 mi12:30:182:24:196:527:22
7:22
#5208
35K
21.75 mi12:35:262:29:276:525:08
6:52
#5164
23M
23.00 mi12:44:102:38:116:538:44
6:59
#5025
24M
24.00 mi12:50:592:45:006:536:49
6:49
#4940
40K
24.85 mi12:56:482:50:496:525:49
6:48
#4806
25.2M
25.20 mi12:59:262:53:276:532:38
7:38
#4782
Finish
26.22 mi13:05:492:59:506:526:23
6:16
#4637
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6110560456045814(Top 20%)5297(Top 33%)5297(Top 94%)
10K6.21 mi3.10 mi6215-1055691-875691-876445(Top 23%)5833(Top 36%)5833(Top 103%)
15K9.32 mi3.11 mi6047+1685536+1555536+1555814(Top 20%)5297(Top 33%)5297(Top 94%)
20K12.43 mi3.11 mi5925+1225422+1145422+1145624(Top 20%)5127(Top 32%)5127(Top 91%)
Half13.11 mi0.68 mi5917+85418+45418+45745(Top 20%)5232(Top 32%)5232(Top 93%)
25K15.53 mi2.42 mi5739+1785257+1615257+1615172(Top 18%)4738(Top 29%)4738(Top 84%)
30K18.64 mi3.11 mi5484+2555023+2345023+2344672(Top 16%)4259(Top 26%)4259(Top 75%)
20M20.00 mi1.36 mi5342+1424893+1304893+1304105(Top 14%)3758(Top 23%)3758(Top 67%)
21M21.00 mi1.00 mi5208+1344776+1174776+1173937(Top 14%)3572(Top 22%)3572(Top 63%)
35K21.75 mi0.75 mi5164+444732+444732+444462(Top 16%)3964(Top 25%)3964(Top 70%)
23M23.00 mi1.25 mi5025+1394605+1274605+1273601(Top 13%)3257(Top 20%)3257(Top 58%)
24M24.00 mi1.00 mi4940+854522+834522+833592(Top 13%)3211(Top 20%)3211(Top 57%)
40K24.85 mi0.85 mi4806+1344403+1194403+1192855(Top 10%)2581(Top 16%)2581(Top 46%)
25.2M25.20 mi0.35 mi4782+244379+244379+243993(Top 14%)3409(Top 21%)3409(Top 60%)
Finish26.22 mi1.02 mi4637+1454252+1274252+1271762(Top 6%)1632(Top 10%)1632(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5814

Males

5297

M18-39

5297

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6445

Males

5833

M18-39

5833

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5814

Males

5297

M18-39

5297

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5624

Males

5127

M18-39

5127

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5745

Males

5232

M18-39

5232

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5172

Males

4738

M18-39

4738

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4672

Males

4259

M18-39

4259

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

4105

Males

3758

M18-39

3758

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3937

Males

3572

M18-39

3572

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4462

Males

3964

M18-39

3964

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3601

Males

3257

M18-39

3257

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3592

Males

3211

M18-39

3211

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2855

Males

2581

M18-39

2581

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3993

Males

3409

M18-39

3409

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1762

Males

1632

M18-39

1632

Passing Analysis

Category:
Athletes Passed
2073
Passed By
600
Net Change
+1473
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6110
5K → 10K140245-105#6110#6215
10K → 15K23163+168#6215#6047
15K → 20K19775+122#6047#5925
20K → Half2719+8#5925#5917
Half → 25K20931+178#5917#5739
25K → 30K31156+255#5739#5484
30K → 20M16220+142#5484#5342
20M → 21M15319+134#5342#5208
21M → 35K5915+44#5208#5164
35K → 23M16021+139#5164#5025
23M → 24M10015+85#5025#4940
24M → 40K1384+134#4940#4806
40K → 25.2M4016+24#4806#4782
25.2M → Finish1461+145#4782#4637
TOTALS2073600+1473
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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