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BOSTON MARATHON 2025

Lucas Selman

Bib: 3520•M

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 28%
Gender (Male)
#0 / 16105
Top 40%
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
19:09
Rank: #1679
Start → 5K
19:09 | 6:10/mi
10K· 6.21 mi
37:49
Rank: #1374 (+305)
5K → 10K
18:40 | 6:00/mi
15K· 9.32 mi
56:35
Rank: #1277 (+97)
10K → 15K
18:46 | 6:02/mi
20K· 12.43 mi
1:15:25
Rank: #1201 (+76)
15K → 20K
18:50 | 6:04/mi
Half· 13.11 mi
1:19:31
Rank: #1197 (+4)
20K → Half
4:06 | 6:01/mi
25K· 15.53 mi
1:34:40
Rank: #1258 (-61)
Half → 25K
15:09 | 6:15/mi
30K· 18.64 mi
1:57:28
Rank: #1955 (-697)
25K → 30K
22:48 | 7:20/mi
20M
2:11:12
Rank: #3209 (-1254)
30K → 20M
13:44 | 10:06/mi
21M
2:21:12
Rank: #4025 (-816)
20M → 21M
10:00 | 10:00/mi
35K· 21.75 mi
2:29:33
Rank: #5203 (-1178)
21M → 35K
8:21 | 11:10/mi
23M
2:44:58
Rank: #6936 (-1733)
35K → 23M
15:25 | 12:19/mi
24M
2:53:21
Rank: #7154 (-218)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
3:01:27
Rank: #7585 (-431)
24M → 40K
8:06 | 9:28/mi
25.2M
3:04:24
Rank: #7603 (-18)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:12:47
Rank: #7826 (-223)
25.2M → Finish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:31
Pace6:04 /mi
2nd Half
Distance13.11 mi
Time1:53:16
Pace8:38 /mi
📊Positive Split: 42.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1419:096:1019:09
6:10
-
10K
6.21 mi10:39:5437:496:0518:40
6:00
-0:10
15K
9.32 mi10:58:4056:356:0418:46
6:02
+0:02
20K
12.43 mi11:17:301:15:256:0418:50
6:04
+0:02
Half
13.11 mi11:21:361:19:316:044:06
6:01
-0:03
25K
15.53 mi11:36:451:34:406:0615:09
6:15
+0:14
30K
18.64 mi11:59:331:57:286:1822:48
7:20
+1:05
20M
20.00 mi12:13:172:11:126:3413:44
10:06
+2:46
21M
21.00 mi12:23:172:21:126:4310:00
10:00
-0:06
35K
21.75 mi12:31:382:29:336:538:21
11:10
+1:10
23M
23.00 mi12:47:032:44:587:1015:25
12:19
+1:09
24M
24.00 mi12:55:262:53:217:138:23
8:23
-3:56
40K
24.85 mi13:03:323:01:277:188:06
9:28
+1:05
25.2M
25.20 mi13:06:293:04:247:192:57
8:33
-0:55
Finish
26.22 mi13:14:523:12:477:218:23
8:14
-0:19

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

6:00 /mi

Average Pace

7:21 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:40

49% of race

Time at Steady Pace

42:31

22% of race

Time at Slower Pace

55:36

29% of race

Average Pace: 7:21 /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 mi10:21:1419:096:1019:09
6:10
#1679
10K
6.21 mi10:39:5437:496:0518:40
6:00
#1374
15K
9.32 mi10:58:4056:356:0418:46
6:02
#1277
20K
12.43 mi11:17:301:15:256:0418:50
6:04
#1201
Half
13.11 mi11:21:361:19:316:044:06
6:01
#1197
25K
15.53 mi11:36:451:34:406:0615:09
6:15
#1258
30K
18.64 mi11:59:331:57:286:1822:48
7:20
#1955
20M
20.00 mi12:13:172:11:126:3413:44
10:06
#3209
21M
21.00 mi12:23:172:21:126:4310:00
10:00
#4025
35K
21.75 mi12:31:382:29:336:538:21
11:10
#5203
23M
23.00 mi12:47:032:44:587:1015:25
12:19
#6936
24M
24.00 mi12:55:262:53:217:138:23
8:23
#7154
40K
24.85 mi13:03:323:01:277:188:06
9:28
#7585
25.2M
25.20 mi13:06:293:04:247:192:57
8:33
#7603
Finish
26.22 mi13:14:523:12:477:218:23
8:14
#7826
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1679159715971172(Top 4%)1110(Top 7%)1110(Top 20%)
10K6.21 mi3.10 mi1374+3051307+2901307+2901126(Top 4%)1064(Top 7%)1064(Top 19%)
15K9.32 mi3.11 mi1277+971213+941213+941172(Top 4%)1110(Top 7%)1110(Top 20%)
20K12.43 mi3.11 mi1201+761139+741139+741052(Top 4%)991(Top 6%)991(Top 18%)
Half13.11 mi0.68 mi1197+41135+41135+41220(Top 4%)1157(Top 7%)1157(Top 21%)
25K15.53 mi2.42 mi1258-611190-551190-551653(Top 6%)1573(Top 10%)1573(Top 28%)
30K18.64 mi3.11 mi1955-6971862-6721862-6726679(Top 24%)5769(Top 36%)5769(Top 102%)
20M20.00 mi1.36 mi3209-12543041-11793041-117921278(Top 75%)12710(Top 79%)12710(Top 225%)
21M21.00 mi1.00 mi4025-8163769-7283769-72818266(Top 64%)11282(Top 70%)11282(Top 200%)
35K21.75 mi0.75 mi5203-11784767-9984767-99824524(Top 86%)14113(Top 88%)14113(Top 250%)
23M23.00 mi1.25 mi6936-17336059-12926059-129225546(Top 90%)14597(Top 91%)14597(Top 259%)
24M24.00 mi1.00 mi7154-2186166-1076166-10713716(Top 48%)8994(Top 56%)8994(Top 159%)
40K24.85 mi0.85 mi7585-4316412-2466412-24618572(Top 65%)11099(Top 69%)11099(Top 197%)
25.2M25.20 mi0.35 mi7603-186407+56407+59022(Top 32%)6441(Top 40%)6441(Top 114%)
Finish26.22 mi1.02 mi7826-2236518-1116518-11114406(Top 51%)9200(Top 57%)9200(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1172

Males

1110

M18-39

1110

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1126

Males

1064

M18-39

1064

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1172

Males

1110

M18-39

1110

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1052

Males

991

M18-39

991

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1220

Males

1157

M18-39

1157

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1653

Males

1573

M18-39

1573

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6679

Males

5769

M18-39

5769

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21278

Males

12710

M18-39

12710

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18266

Males

11282

M18-39

11282

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

24524

Males

14113

M18-39

14113

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

25546

Males

14597

M18-39

14597

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

13716

Males

8994

M18-39

8994

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18572

Males

11099

M18-39

11099

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9022

Males

6441

M18-39

6441

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14406

Males

9200

M18-39

9200

Passing Analysis

Category:
Athletes Passed
610
Passed By
6757
Net Change
-6147
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1679
5K → 10K3116+305#1679#1374
10K → 15K1036+97#1374#1277
15K → 20K8812+76#1277#1201
20K → Half84+4#1201#1197
Half → 25K1980-61#1197#1258
25K → 30K1698-697#1258#1955
30K → 20M01254-1254#1955#3209
20M → 21M1817-816#3209#4025
21M → 35K31181-1178#4025#5203
35K → 23M61739-1733#5203#6936
23M → 24M25243-218#6936#7154
24M → 40K11442-431#7154#7585
40K → 25.2M2139-18#7585#7603
25.2M → Finish13236-223#7603#7826
TOTALS6106757-6147
📊

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