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BOSTON MARATHON 2025

Jacob Lange

Bib: 2342•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 31%
Gender (Male)
#0 / 16105
Top 44%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:52
Rank: #5603
Start → 5K
20:52 | 6:43/mi
10K· 6.21 mi
42:01
Rank: #5956 (-353)
5K → 10K
21:09 | 6:48/mi
15K· 9.32 mi
1:03:33
Rank: #6384 (-428)
10K → 15K
21:32 | 6:56/mi
20K· 12.43 mi
1:25:12
Rank: #6457 (-73)
15K → 20K
21:39 | 6:58/mi
Half· 13.11 mi
1:29:50
Rank: #6436 (+21)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:47:20
Rank: #6641 (-205)
Half → 25K
17:30 | 7:13/mi
30K· 18.64 mi
2:11:20
Rank: #6963 (-322)
25K → 30K
24:00 | 7:43/mi
20M
2:22:15
Rank: #7145 (-182)
30K → 20M
10:55 | 8:02/mi
21M
2:31:09
Rank: #7368 (-223)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:37:27
Rank: #7606 (-238)
21M → 35K
6:18 | 8:25/mi
23M
2:48:41
Rank: #8094 (-488)
35K → 23M
11:14 | 8:58/mi
24M
2:57:34
Rank: #8505 (-411)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:05:17
Rank: #8841 (-336)
24M → 40K
7:43 | 9:02/mi
25.2M
3:08:27
Rank: #8909 (-68)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:16:05
Rank: #8886 (+23)
25.2M → Finish
7:38 | 7:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:50
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:46:15
Pace8:06 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2120:526:4320:52
6:43
-
10K
6.21 mi10:43:3042:016:4621:09
6:48
+0:05
15K
9.32 mi11:05:021:03:336:4921:32
6:56
+0:08
20K
12.43 mi11:26:411:25:126:5121:39
6:58
+0:02
Half
13.11 mi11:31:191:29:506:514:38
6:47
-0:11
25K
15.53 mi11:48:491:47:206:5517:30
7:13
+0:26
30K
18.64 mi12:12:492:11:207:0324:00
7:43
+0:30
20M
20.00 mi12:23:442:22:157:0710:55
8:02
+0:19
21M
21.00 mi12:32:382:31:097:128:54
8:54
+0:52
35K
21.75 mi12:38:562:37:277:146:18
8:25
-0:29
23M
23.00 mi12:50:102:48:417:2011:14
8:58
+0:33
24M
24.00 mi12:59:032:57:347:248:53
8:53
-0:05
40K
24.85 mi13:06:463:05:177:277:43
9:02
+0:09
25.2M
25.20 mi13:09:563:08:277:293:10
9:11
+0:09
Finish
26.22 mi13:17:343:16:057:297:38
7:29
-1:42

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

6:43 /mi

Average Pace

7:29 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:20

55% of race

Time at Steady Pace

42:33

22% of race

Time at Slower Pace

46:12

24% of race

Average Pace: 7:29 /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 mi10:22:2120:526:4320:52
6:43
#5603
10K
6.21 mi10:43:3042:016:4621:09
6:48
#5956
15K
9.32 mi11:05:021:03:336:4921:32
6:56
#6384
20K
12.43 mi11:26:411:25:126:5121:39
6:58
#6457
Half
13.11 mi11:31:191:29:506:514:38
6:47
#6436
25K
15.53 mi11:48:491:47:206:5517:30
7:13
#6641
30K
18.64 mi12:12:492:11:207:0324:00
7:43
#6963
20M
20.00 mi12:23:442:22:157:0710:55
8:02
#7145
21M
21.00 mi12:32:382:31:097:128:54
8:54
#7368
35K
21.75 mi12:38:562:37:277:146:18
8:25
#7606
23M
23.00 mi12:50:102:48:417:2011:14
8:58
#8094
24M
24.00 mi12:59:032:57:347:248:53
8:53
#8505
40K
24.85 mi13:06:463:05:177:277:43
9:02
#8841
25.2M
25.20 mi13:09:563:08:277:293:10
9:11
#8909
Finish
26.22 mi13:17:343:16:057:297:38
7:29
#8886
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5603518851887171(Top 25%)6377(Top 40%)6377(Top 113%)
10K6.21 mi3.10 mi5956-3535474-2865474-2866474(Top 23%)5862(Top 36%)5862(Top 104%)
15K9.32 mi3.11 mi6384-4285814-3405814-3407171(Top 25%)6377(Top 40%)6377(Top 113%)
20K12.43 mi3.11 mi6457-735845-315845-316690(Top 24%)5972(Top 37%)5972(Top 106%)
Half13.11 mi0.68 mi6436+215828+175828+176133(Top 22%)5554(Top 34%)5554(Top 98%)
25K15.53 mi2.42 mi6641-2055979-1515979-1517742(Top 27%)6602(Top 41%)6602(Top 117%)
30K18.64 mi3.11 mi6963-3226183-2046183-2049351(Top 33%)7342(Top 46%)7342(Top 130%)
20M20.00 mi1.36 mi7145-1826286-1036286-10310635(Top 37%)7843(Top 49%)7843(Top 139%)
21M21.00 mi1.00 mi7368-2236404-1186404-11812878(Top 45%)8778(Top 55%)8778(Top 156%)
35K21.75 mi0.75 mi7606-2386538-1346538-13414927(Top 53%)9676(Top 60%)9676(Top 171%)
23M23.00 mi1.25 mi8094-4886795-2576795-25716082(Top 57%)10100(Top 63%)10100(Top 179%)
24M24.00 mi1.00 mi8505-4117015-2207015-22016719(Top 59%)10337(Top 64%)10337(Top 183%)
40K24.85 mi0.85 mi8841-3367170-1557170-15516408(Top 58%)10091(Top 63%)10091(Top 179%)
25.2M25.20 mi0.35 mi8909-687194-247194-2412728(Top 45%)8313(Top 52%)8313(Top 147%)
Finish26.22 mi1.02 mi8886+237144+507144+509098(Top 32%)6492(Top 40%)6492(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7171

Males

6377

M18-39

6377

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6474

Males

5862

M18-39

5862

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7171

Males

6377

M18-39

6377

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6690

Males

5972

M18-39

5972

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6133

Males

5554

M18-39

5554

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7742

Males

6602

M18-39

6602

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9351

Males

7342

M18-39

7342

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10635

Males

7843

M18-39

7843

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12878

Males

8778

M18-39

8778

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14927

Males

9676

M18-39

9676

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16082

Males

10100

M18-39

10100

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16719

Males

10337

M18-39

10337

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16408

Males

10091

M18-39

10091

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12728

Males

8313

M18-39

8313

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

9098

Males

6492

M18-39

6492

Passing Analysis

Category:
Athletes Passed
704
Passed By
3987
Net Change
-3283
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5603
5K → 10K67420-353#5603#5956
10K → 15K56484-428#5956#6384
15K → 20K110183-73#6384#6457
20K → Half3413+21#6457#6436
Half → 25K76281-205#6436#6641
25K → 30K86408-322#6641#6963
30K → 20M57239-182#6963#7145
20M → 21M31254-223#7145#7368
21M → 35K13251-238#7368#7606
35K → 23M23511-488#7606#8094
23M → 24M13424-411#8094#8505
24M → 40K27363-336#8505#8841
40K → 25.2M2189-68#8841#8909
25.2M → Finish9067+23#8909#8886
TOTALS7043987-3283
📊

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