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BOSTON MARATHON 2025

Jackson Lewis

Bib: 1369•M

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 25%
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
17:19
Rank: #276
Start → 5K
17:19 | 5:34/mi
10K· 6.21 mi
34:55
Rank: #316 (-40)
5K → 10K
17:36 | 5:40/mi
15K· 9.32 mi
53:07
Rank: #403 (-87)
10K → 15K
18:12 | 5:51/mi
20K· 12.43 mi
1:11:27
Rank: #454 (-51)
15K → 20K
18:20 | 5:54/mi
Half· 13.11 mi
1:15:26
Rank: #464 (-10)
20K → Half
3:59 | 5:50/mi
25K· 15.53 mi
1:29:45
Rank: #471 (-7)
Half → 25K
14:19 | 5:54/mi
30K· 18.64 mi
1:48:43
Rank: #481 (-10)
25K → 30K
18:58 | 6:06/mi
20M
1:57:32
Rank: #515 (-34)
30K → 20M
8:49 | 6:29/mi
21M
2:05:42
Rank: #664 (-149)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:14:18
Rank: #1179 (-515)
21M → 35K
8:36 | 11:30/mi
23M
2:26:56
Rank: #1972 (-793)
35K → 23M
12:38 | 10:05/mi
24M
2:39:33
Rank: #3270 (-1298)
23M → 24M
12:37 | 12:37/mi
40K· 24.85 mi
2:48:57
Rank: #4199 (-929)
24M → 40K
9:24 | 11:00/mi
25.2M
2:51:49
Rank: #4260 (-61)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
2:59:14
Rank: #4426 (-166)
25.2M → Finish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:26
Pace5:45 /mi
2nd Half
Distance13.11 mi
Time1:43:48
Pace7:55 /mi
📊Positive Split: 37.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5317:195:3417:19
5:34
-
10K
6.21 mi10:35:2934:555:3717:36
5:40
+0:06
15K
9.32 mi10:53:4153:075:4218:12
5:51
+0:11
20K
12.43 mi11:12:011:11:275:4518:20
5:54
+0:03
Half
13.11 mi11:16:001:15:265:453:59
5:50
-0:04
25K
15.53 mi11:30:191:29:455:4714:19
5:54
+0:04
30K
18.64 mi11:49:171:48:435:5018:58
6:06
+0:12
20M
20.00 mi11:58:061:57:325:538:49
6:29
+0:23
21M
21.00 mi12:06:162:05:425:598:10
8:10
+1:41
35K
21.75 mi12:14:522:14:186:118:36
11:30
+3:20
23M
23.00 mi12:27:302:26:566:2312:38
10:05
-1:25
24M
24.00 mi12:40:072:39:336:3912:37
12:37
+2:32
40K
24.85 mi12:49:312:48:576:489:24
11:00
-1:37
25.2M
25.20 mi12:52:232:51:496:492:52
8:19
-2:41
Finish
26.22 mi12:59:482:59:146:507:25
7:17
-1:02

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

5:34 /mi

Average Pace

6:50 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:04:57

70% of race

Time at Slower Pace

54:17

30% of race

Average Pace: 6:50 /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 mi10:17:5317:195:3417:19
5:34
#276
10K
6.21 mi10:35:2934:555:3717:36
5:40
#316
15K
9.32 mi10:53:4153:075:4218:12
5:51
#403
20K
12.43 mi11:12:011:11:275:4518:20
5:54
#454
Half
13.11 mi11:16:001:15:265:453:59
5:50
#464
25K
15.53 mi11:30:191:29:455:4714:19
5:54
#471
30K
18.64 mi11:49:171:48:435:5018:58
6:06
#481
20M
20.00 mi11:58:061:57:325:538:49
6:29
#515
21M
21.00 mi12:06:162:05:425:598:10
8:10
#664
35K
21.75 mi12:14:522:14:186:118:36
11:30
#1179
23M
23.00 mi12:27:302:26:566:2312:38
10:05
#1972
24M
24.00 mi12:40:072:39:336:3912:37
12:37
#3270
40K
24.85 mi12:49:312:48:576:489:24
11:00
#4199
25.2M
25.20 mi12:52:232:51:496:492:52
8:19
#4260
Finish
26.22 mi12:59:482:59:146:507:25
7:17
#4426
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi276248248651(Top 2%)605(Top 4%)605(Top 11%)
10K6.21 mi3.10 mi316-40287-39287-39391(Top 1%)361(Top 2%)361(Top 6%)
15K9.32 mi3.11 mi403-87372-85372-85651(Top 2%)605(Top 4%)605(Top 11%)
20K12.43 mi3.11 mi454-51418-46418-46632(Top 2%)585(Top 4%)585(Top 10%)
Half13.11 mi0.68 mi464-10428-10428-10690(Top 2%)647(Top 4%)647(Top 11%)
25K15.53 mi2.42 mi471-7435-7435-7588(Top 2%)543(Top 3%)543(Top 10%)
30K18.64 mi3.11 mi481-10445-10445-10699(Top 2%)655(Top 4%)655(Top 12%)
20M20.00 mi1.36 mi515-34471-26471-261599(Top 6%)1513(Top 9%)1513(Top 27%)
21M21.00 mi1.00 mi664-149617-146617-1468337(Top 29%)6437(Top 40%)6437(Top 114%)
35K21.75 mi0.75 mi1179-5151109-4921109-49225078(Top 88%)14382(Top 89%)14382(Top 255%)
23M23.00 mi1.25 mi1972-7931872-7631872-76320759(Top 73%)12268(Top 76%)12268(Top 217%)
24M24.00 mi1.00 mi3270-12983079-12073079-120726442(Top 93%)15032(Top 93%)15032(Top 266%)
40K24.85 mi0.85 mi4199-9293879-8003879-80023118(Top 81%)13290(Top 83%)13290(Top 236%)
25.2M25.20 mi0.35 mi4260-613927-483927-487647(Top 27%)5706(Top 35%)5706(Top 101%)
Finish26.22 mi1.02 mi4426-1664064-1374064-1377593(Top 27%)5673(Top 35%)5673(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

651

Males

605

M18-39

605

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

391

Males

361

M18-39

361

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

651

Males

605

M18-39

605

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

632

Males

585

M18-39

585

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

690

Males

647

M18-39

647

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

588

Males

543

M18-39

543

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

699

Males

655

M18-39

655

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1599

Males

1513

M18-39

1513

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8337

Males

6437

M18-39

6437

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

25078

Males

14382

M18-39

14382

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

20759

Males

12268

M18-39

12268

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

26442

Males

15032

M18-39

15032

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23118

Males

13290

M18-39

13290

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7647

Males

5706

M18-39

5706

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7593

Males

5673

M18-39

5673

Passing Analysis

Category:
Athletes Passed
74
Passed By
4224
Net Change
-4150
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#276
5K → 10K343-40#276#316
10K → 15K491-87#316#403
15K → 20K556-51#403#454
20K → Half212-10#454#464
Half → 25K1623-7#464#471
25K → 30K1525-10#471#481
30K → 20M539-34#481#515
20M → 21M1150-149#515#664
21M → 35K1516-515#664#1179
35K → 23M1794-793#1179#1972
23M → 24M21300-1298#1972#3270
24M → 40K0929-929#3270#4199
40K → 25.2M1172-61#4199#4260
25.2M → Finish8174-166#4260#4426
TOTALS744224-4150
📊

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