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BOSTON MARATHON 2025

Jules Masalunga

Bib: 6240•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
Masters (Masters Men)
#0 / 10463
Top 30%
Division (M45-49)
#0 / 2386
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:12
Rank: #9012
Start → 5K
22:12 | 7:09/mi
10K· 6.21 mi
44:52
Rank: #9617 (-605)
5K → 10K
22:40 | 7:18/mi
15K· 9.32 mi
1:08:39
Rank: #10760 (-1143)
10K → 15K
23:47 | 7:39/mi
20K· 12.43 mi
1:31:27
Rank: #10377 (+383)
15K → 20K
22:48 | 7:20/mi
Half· 13.11 mi
1:36:15
Rank: #10227 (+150)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:53:16
Rank: #9495 (+732)
Half → 25K
17:01 | 7:01/mi
30K· 18.64 mi
2:15:47
Rank: #8693 (+802)
25K → 30K
22:31 | 7:15/mi
20M
2:25:54
Rank: #8487 (+206)
30K → 20M
10:07 | 7:27/mi
21M
2:34:30
Rank: #8610 (-123)
20M → 21M
8:36 | 8:36/mi
35K· 21.75 mi
2:40:09
Rank: #8595 (+15)
21M → 35K
5:39 | 7:33/mi
23M
2:50:01
Rank: #8549 (+46)
35K → 23M
9:52 | 7:53/mi
24M
2:57:35
Rank: #8508 (+41)
23M → 24M
7:34 | 7:34/mi
40K· 24.85 mi
3:03:57
Rank: #8364 (+144)
24M → 40K
6:22 | 7:27/mi
25.2M
3:06:51
Rank: #8353 (+11)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:14:02
Rank: #8231 (+122)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:15
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:37:47
Pace7:28 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0722:127:0922:12
7:09
-
10K
6.21 mi10:49:4744:527:1322:40
7:18
+0:09
15K
9.32 mi11:13:341:08:397:2223:47
7:39
+0:21
20K
12.43 mi11:36:221:31:277:2222:48
7:20
-0:19
Half
13.11 mi11:41:101:36:157:214:48
7:02
-0:18
25K
15.53 mi11:58:111:53:167:1717:01
7:01
-0:01
30K
18.64 mi12:20:422:15:477:1722:31
7:15
+0:14
20M
20.00 mi12:30:492:25:547:1810:07
7:27
+0:12
21M
21.00 mi12:39:252:34:307:218:36
8:36
+1:09
35K
21.75 mi12:45:042:40:097:225:39
7:33
-1:03
23M
23.00 mi12:54:562:50:017:249:52
7:53
+0:20
24M
24.00 mi13:02:302:57:357:247:34
7:34
-0:19
40K
24.85 mi13:08:523:03:577:246:22
7:27
-0:07
25.2M
25.20 mi13:11:463:06:517:252:54
8:25
+0:58
Finish
26.22 mi13:18:573:14:027:247:11
7:03
-1:22

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

7:01 /mi

Average Pace

7:24 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

51:12

26% of race

Time at Steady Pace

2:01:28

63% of race

Time at Slower Pace

21:22

11% of race

Average Pace: 7:24 /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 mi10:27:0722:127:0922:12
7:09
#9012
10K
6.21 mi10:49:4744:527:1322:40
7:18
#9617
15K
9.32 mi11:13:341:08:397:2223:47
7:39
#10760
20K
12.43 mi11:36:221:31:277:2222:48
7:20
#10377
Half
13.11 mi11:41:101:36:157:214:48
7:02
#10227
25K
15.53 mi11:58:111:53:167:1717:01
7:01
#9495
30K
18.64 mi12:20:422:15:477:1722:31
7:15
#8693
20M
20.00 mi12:30:492:25:547:1810:07
7:27
#8487
21M
21.00 mi12:39:252:34:307:218:36
8:36
#8610
35K
21.75 mi12:45:042:40:097:225:39
7:33
#8595
23M
23.00 mi12:54:562:50:017:249:52
7:53
#8549
24M
24.00 mi13:02:302:57:357:247:34
7:34
#8508
40K
24.85 mi13:08:523:03:577:246:22
7:27
#8364
25.2M
25.20 mi13:11:463:06:517:252:54
8:25
#8353
Finish
26.22 mi13:18:573:14:027:247:11
7:03
#8231
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi90127614761413074(Top 46%)9542(Top 59%)9542(Top 400%)
10K6.21 mi3.10 mi9617-6057972-3587972-35810294(Top 36%)8302(Top 52%)8302(Top 348%)
15K9.32 mi3.11 mi10760-11438523-5518523-55113074(Top 46%)9542(Top 59%)9542(Top 400%)
20K12.43 mi3.11 mi10377+3838305+2188305+2189341(Top 33%)7649(Top 47%)7649(Top 321%)
Half13.11 mi0.68 mi10227+1508218+878218+877808(Top 27%)6770(Top 42%)6770(Top 284%)
25K15.53 mi2.42 mi9495+7327788+4307788+4306446(Top 23%)5726(Top 36%)5726(Top 240%)
30K18.64 mi3.11 mi8693+8027303+4857303+4856158(Top 22%)5431(Top 34%)5431(Top 228%)
20M20.00 mi1.36 mi8487+2067142+1617142+1616666(Top 23%)5626(Top 35%)5626(Top 236%)
21M21.00 mi1.00 mi8610-1237175-337175-3311054(Top 39%)7887(Top 49%)7887(Top 331%)
35K21.75 mi0.75 mi8595+157149+267149+268972(Top 32%)6834(Top 42%)6834(Top 286%)
23M23.00 mi1.25 mi8549+467073+767073+769117(Top 32%)6775(Top 42%)6775(Top 284%)
24M24.00 mi1.00 mi8508+417016+577016+578142(Top 29%)6200(Top 38%)6200(Top 260%)
40K24.85 mi0.85 mi8364+1446898+1186898+1186485(Top 23%)5141(Top 32%)5141(Top 215%)
25.2M25.20 mi0.35 mi8353+116874+246874+248198(Top 29%)6022(Top 37%)6022(Top 252%)
Finish26.22 mi1.02 mi8231+1226765+1096765+1096060(Top 21%)4768(Top 30%)4768(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

13074

Males

9542

M45-49

9542

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10294

Males

8302

M45-49

8302

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

13074

Males

9542

M45-49

9542

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9341

Males

7649

M45-49

7649

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7808

Males

6770

M45-49

6770

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6446

Males

5726

M45-49

5726

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6158

Males

5431

M45-49

5431

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6666

Males

5626

M45-49

5626

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

11054

Males

7887

M45-49

7887

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8972

Males

6834

M45-49

6834

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

9117

Males

6775

M45-49

6775

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8142

Males

6200

M45-49

6200

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6485

Males

5141

M45-49

5141

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8198

Males

6022

M45-49

6022

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

6060

Males

4768

M45-49

4768

Passing Analysis

Category:
Athletes Passed
3102*
Passed By
2318
Net Change
+781
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9012
5K → 10K65669-605#9012#9617
10K → 15K271168-1143#9617#10760
15K → 20K41128+383#10760#10377
20K → Half1511+150#10377#10227
Half → 25K733*1+732#10227#9495
25K → 30K8053+802#9495#8693
30K → 20M21711+206#8693#8487
20M → 21M56179-123#8487#8610
21M → 35K6651+15#8610#8595
35K → 23M13993+46#8595#8549
23M → 24M9251+41#8549#8508
24M → 40K15612+144#8508#8364
40K → 25.2M4231+11#8364#8353
25.2M → Finish14220+122#8353#8231
TOTALS3102*2318+781

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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