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BOSTON MARATHON 2025

Louis Jochems

Bib: 4992•M

ID

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 16%
Division (M18-39)
#0 / 5642
Top 36%
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
6:20/mi
19:40
↑ 97↓ 3451.5%
10K· 6.21 mi
6:29/mi
39:49
↑ 79↓ 1380.4%
15K· 9.32 mi
6:27/mi
59:51
↑ 67↓ 78
20K· 12.43 mi
6:28/mi
1:19:57
↑ 106↓ 860.1%
Half· 13.11 mi
6:20/mi
1:24:16
↑ 19↓ 370.5%
25K· 15.53 mi
6:29/mi
1:39:59
↑ 66↓ 880.2%
30K· 18.64 mi
6:41/mi
2:00:46
↑ 181↓ 1480.2%
20M
6:49/mi
2:10:02
↑ 64↓ 500.2%
21M
7:04/mi
2:17:06
↑ 106↓ 241.6%
35K· 21.75 mi
6:49/mi
2:22:12
↑ 17↓ 861.7%
23M
6:59/mi
2:30:56
↑ 23↓ 630.6%
24M
6:44/mi
2:37:40
↓ 821.3%
40K· 24.85 mi
6:33/mi
2:43:16
↓ 200.3%
25.2M
7:15/mi
2:45:46
↑ 13↓ 160.2%
Finish· 26.22 mi
6:08/mi
2:52:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:16
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:27:45
Pace6:42 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2619:406:2019:40
6:20
-
10K
6.21 mi10:44:3539:496:2420:09
6:29
+0:09
15K
9.32 mi11:04:3759:516:2520:02
6:27
-0:02
20K
12.43 mi11:24:431:19:576:2620:06
6:28
+0:01
Half
13.11 mi11:29:021:24:166:264:19
6:20
-0:08
25K
15.53 mi11:44:451:39:596:2615:43
6:29
+0:09
30K
18.64 mi12:05:322:00:466:2920:47
6:41
+0:12
20M
20.00 mi12:14:482:10:026:309:16
6:49
+0:08
21M
21.00 mi12:21:522:17:066:327:04
7:04
+0:15
35K
21.75 mi12:26:582:22:126:325:06
6:49
-0:15
23M
23.00 mi12:35:422:30:566:348:44
6:59
+0:10
24M
24.00 mi12:42:262:37:406:346:44
6:44
-0:15
40K
24.85 mi12:48:022:43:166:345:36
6:33
-0:11
25.2M
25.20 mi12:50:322:45:466:352:30
7:15
+0:42
Finish
26.22 mi12:56:472:52:016:346:15
6:08
-1:07

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

6:08 /mi

Average Pace

6:34 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:21

81% of race

Time at Steady Pace

30:10

18% of race

Time at Slower Pace

2:30

1% of race

Average Pace: 6:34 /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 mi10:24:2619:406:2019:40
6:20
#2640
10K
6.21 mi10:44:3539:496:2420:09
6:29
#3127
15K
9.32 mi11:04:3759:516:2520:02
6:27
#3150
20K
12.43 mi11:24:431:19:576:2620:06
6:28
#3066
Half
13.11 mi11:29:021:24:166:264:19
6:20
#3045
25K
15.53 mi11:44:451:39:596:2615:43
6:29
#2965
30K
18.64 mi12:05:322:00:466:2920:47
6:41
#2910
20M
20.00 mi12:14:482:10:026:309:16
6:49
#2881
21M
21.00 mi12:21:522:17:066:327:04
7:04
#2832
35K
21.75 mi12:26:582:22:126:325:06
6:49
#2852
23M
23.00 mi12:35:422:30:566:348:44
6:59
#2839
24M
24.00 mi12:42:262:37:406:346:44
6:44
#2819
40K
24.85 mi12:48:022:43:166:345:36
6:33
#2750
25.2M
25.20 mi12:50:322:45:466:352:30
7:15
#2720
Finish
26.22 mi12:56:472:52:016:346:15
6:08
#2641
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2640251525153245(Top 11%)3085(Top 19%)3085(Top 55%)
10K6.21 mi3.10 mi3127-4872974-4592974-4593615(Top 13%)3420(Top 21%)3420(Top 61%)
15K9.32 mi3.11 mi3150-232999-252999-253245(Top 11%)3085(Top 19%)3085(Top 55%)
20K12.43 mi3.11 mi3066+842923+762923+762945(Top 10%)2805(Top 17%)2805(Top 50%)
Half13.11 mi0.68 mi3045+212904+192904+192704(Top 10%)2587(Top 16%)2587(Top 46%)
25K15.53 mi2.42 mi2965+802825+792825+792803(Top 10%)2667(Top 17%)2667(Top 47%)
30K18.64 mi3.11 mi2910+552771+542771+542844(Top 10%)2689(Top 17%)2689(Top 48%)
20M20.00 mi1.36 mi2881+292743+282743+283052(Top 11%)2842(Top 18%)2842(Top 50%)
21M21.00 mi1.00 mi2832+492695+482695+482553(Top 9%)2379(Top 15%)2379(Top 42%)
35K21.75 mi0.75 mi2852-202708-132708-134221(Top 15%)3774(Top 23%)3774(Top 67%)
23M23.00 mi1.25 mi2839+132691+172691+173621(Top 13%)3277(Top 20%)3277(Top 58%)
24M24.00 mi1.00 mi2819+202670+212670+213142(Top 11%)2838(Top 18%)2838(Top 50%)
40K24.85 mi0.85 mi2750+692605+652605+651811(Top 6%)1674(Top 10%)1674(Top 30%)
25.2M25.20 mi0.35 mi2720+302575+302575+302365(Top 8%)2118(Top 13%)2118(Top 38%)
Finish26.22 mi1.02 mi2641+792499+762499+761321(Top 5%)1234(Top 8%)1234(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

3245

Males

3085

M18-39

3085

5K→10K

3.1 - 6.2 mi

Top 13%
×5story building
+79ft-138ft

Overall

3615

Males

3420

M18-39

3420

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

3245

Males

3085

M18-39

3085

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2945

Males

2805

M18-39

2805

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2704

Males

2587

M18-39

2587

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2803

Males

2667

M18-39

2667

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2844

Males

2689

M18-39

2689

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

3052

Males

2842

M18-39

2842

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2553

Males

2379

M18-39

2379

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

4221

Males

3774

M18-39

3774

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3621

Males

3277

M18-39

3277

23M→24M

23.0 - 24.0 mi

Top 11%
×6story building
+12ft-82ft

Overall

3142

Males

2838

M18-39

2838

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1811

Males

1674

M18-39

1674

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2365

Males

2118

M18-39

2118

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2story building
+22ft-21ft

Overall

1321

Males

1234

M18-39

1234

Passing Analysis

Category:
Athletes Passed
952
Passed By
953
Net Change
-1
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2640
5K → 10K24511-487#2640#3127
10K → 15K80103-23#3127#3150
15K → 20K12339+84#3150#3066
20K → Half298+21#3066#3045
Half → 25K10323+80#3045#2965
25K → 30K13782+55#2965#2910
30K → 20M6738+29#2910#2881
20M → 21M7324+49#2881#2832
21M → 35K2444-20#2832#2852
35K → 23M5441+13#2852#2839
23M → 24M4424+20#2839#2819
24M → 40K756+69#2819#2750
40K → 25.2M366+30#2750#2720
25.2M → Finish834+79#2720#2641
TOTALS952953-1
📊

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