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BOSTON MARATHON 2025

Billy Littlefield

Bib: 1997•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 33%
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
19:21
Rank: #2021
Start → 5K
19:21 | 6:14/mi
10K· 6.21 mi
38:50
Rank: #2133 (-112)
5K → 10K
19:29 | 6:16/mi
15K· 9.32 mi
58:33
Rank: #2267 (-134)
10K → 15K
19:43 | 6:21/mi
20K· 12.43 mi
1:18:36
Rank: #2392 (-125)
15K → 20K
20:03 | 6:27/mi
Half· 13.11 mi
1:23:00
Rank: #2449 (-57)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:39:11
Rank: #2656 (-207)
Half → 25K
16:11 | 6:40/mi
30K· 18.64 mi
2:01:17
Rank: #3087 (-431)
25K → 30K
22:06 | 7:07/mi
20M
2:11:32
Rank: #3314 (-227)
30K → 20M
10:15 | 7:33/mi
21M
2:19:59
Rank: #3642 (-328)
20M → 21M
8:27 | 8:27/mi
35K· 21.75 mi
2:26:13
Rank: #3974 (-332)
21M → 35K
6:14 | 8:20/mi
23M
2:37:35
Rank: #4791 (-817)
35K → 23M
11:22 | 9:05/mi
24M
2:46:09
Rank: #5258 (-467)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
2:53:43
Rank: #5505 (-247)
24M → 40K
7:34 | 8:51/mi
25.2M
2:57:09
Rank: #5626 (-121)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:06:17
Rank: #6060 (-434)
25.2M → Finish
9:08 | 8:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:00
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:43:17
Pace7:53 /mi
📊Positive Split: 24.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0519:216:1419:21
6:14
-
10K
6.21 mi10:39:3438:506:1519:29
6:16
+0:02
15K
9.32 mi10:59:1758:336:1719:43
6:21
+0:05
20K
12.43 mi11:19:201:18:366:1920:03
6:27
+0:06
Half
13.11 mi11:23:441:23:006:204:24
6:27
0:00
25K
15.53 mi11:39:551:39:116:2316:11
6:40
+0:13
30K
18.64 mi12:02:012:01:176:3022:06
7:07
+0:27
20M
20.00 mi12:12:162:11:326:3510:15
7:33
+0:26
21M
21.00 mi12:20:432:19:596:408:27
8:27
+0:54
35K
21.75 mi12:26:572:26:136:436:14
8:20
-0:07
23M
23.00 mi12:38:192:37:356:5111:22
9:05
+0:45
24M
24.00 mi12:46:532:46:096:558:34
8:34
-0:31
40K
24.85 mi12:54:272:53:436:597:34
8:51
+0:17
25.2M
25.20 mi12:57:532:57:097:023:26
9:57
+1:06
Finish
26.22 mi13:07:013:06:177:079:08
8:58
-0:59

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

6:14 /mi

Average Pace

7:07 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:11

53% of race

Time at Steady Pace

32:21

17% of race

Time at Slower Pace

54:45

29% of race

Average Pace: 7:06 /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 mi10:20:0519:216:1419:21
6:14
#2021
10K
6.21 mi10:39:3438:506:1519:29
6:16
#2133
15K
9.32 mi10:59:1758:336:1719:43
6:21
#2267
20K
12.43 mi11:19:201:18:366:1920:03
6:27
#2392
Half
13.11 mi11:23:441:23:006:204:24
6:27
#2449
25K
15.53 mi11:39:551:39:116:2316:11
6:40
#2656
30K
18.64 mi12:02:012:01:176:3022:06
7:07
#3087
20M
20.00 mi12:12:162:11:326:3510:15
7:33
#3314
21M
21.00 mi12:20:432:19:596:408:27
8:27
#3642
35K
21.75 mi12:26:572:26:136:436:14
8:20
#3974
23M
23.00 mi12:38:192:37:356:5111:22
9:05
#4791
24M
24.00 mi12:46:532:46:096:558:34
8:34
#5258
40K
24.85 mi12:54:272:53:436:597:34
8:51
#5505
25.2M
25.20 mi12:57:532:57:097:023:26
9:57
#5626
Finish
26.22 mi13:07:013:06:177:079:08
8:58
#6060
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2021192419242616(Top 9%)2496(Top 15%)2496(Top 44%)
10K6.21 mi3.10 mi2133-1122035-1112035-1112234(Top 8%)2135(Top 13%)2135(Top 38%)
15K9.32 mi3.11 mi2267-1342164-1292164-1292616(Top 9%)2496(Top 15%)2496(Top 44%)
20K12.43 mi3.11 mi2392-1252282-1182282-1182841(Top 10%)2705(Top 17%)2705(Top 48%)
Half13.11 mi0.68 mi2449-572337-552337-553375(Top 12%)3201(Top 20%)3201(Top 57%)
25K15.53 mi2.42 mi2656-2072537-2002537-2003943(Top 14%)3682(Top 23%)3682(Top 65%)
30K18.64 mi3.11 mi3087-4312936-3992936-3995387(Top 19%)4845(Top 30%)4845(Top 86%)
20M20.00 mi1.36 mi3314-2273136-2003136-2007262(Top 26%)5986(Top 37%)5986(Top 106%)
21M21.00 mi1.00 mi3642-3283429-2933429-29310112(Top 36%)7409(Top 46%)7409(Top 131%)
35K21.75 mi0.75 mi3974-3323716-2873716-28714399(Top 51%)9431(Top 59%)9431(Top 167%)
23M23.00 mi1.25 mi4791-8174405-6894405-68916667(Top 59%)10357(Top 64%)10357(Top 184%)
24M24.00 mi1.00 mi5258-4674785-3804785-38014885(Top 52%)9512(Top 59%)9512(Top 169%)
40K24.85 mi0.85 mi5505-2474970-1854970-18515418(Top 54%)9605(Top 60%)9605(Top 170%)
25.2M25.20 mi0.35 mi5626-1215052-825052-8216711(Top 59%)10194(Top 63%)10194(Top 181%)
Finish26.22 mi1.02 mi6060-4345362-3105362-31018808(Top 66%)11257(Top 70%)11257(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2616

Males

2496

M18-39

2496

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2234

Males

2135

M18-39

2135

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2616

Males

2496

M18-39

2496

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2841

Males

2705

M18-39

2705

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3375

Males

3201

M18-39

3201

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3943

Males

3682

M18-39

3682

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5387

Males

4845

M18-39

4845

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7262

Males

5986

M18-39

5986

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10112

Males

7409

M18-39

7409

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

14399

Males

9431

M18-39

9431

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16667

Males

10357

M18-39

10357

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14885

Males

9512

M18-39

9512

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15418

Males

9605

M18-39

9605

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16711

Males

10194

M18-39

10194

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18808

Males

11257

M18-39

11257

Passing Analysis

Category:
Athletes Passed
260
Passed By
4299
Net Change
-4039
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2021
5K → 10K72184-112#2021#2133
10K → 15K26160-134#2133#2267
15K → 20K42167-125#2267#2392
20K → Half158-57#2392#2449
Half → 25K17224-207#2449#2656
25K → 30K28459-431#2656#3087
30K → 20M19246-227#3087#3314
20M → 21M4332-328#3314#3642
21M → 35K9341-332#3642#3974
35K → 23M8825-817#3974#4791
23M → 24M7474-467#4791#5258
24M → 40K9256-247#5258#5505
40K → 25.2M12133-121#5505#5626
25.2M → Finish6440-434#5626#6060
TOTALS2604299-4039
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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